March 1, 2010

American Century Investments

Statement of Additional Information

American Century California Tax-Free and Municipal Funds

California High-Yield Municipal Fund

Investor Class (BCHYX)

Institutional Class (BCHIX)

A Class (CAYAX)

B Class (CAYBX) (closed)

C Class (CAYCX)

California Long-Term Tax-Free Fund

Investor Class (BCLTX)

Institutional Class (BCLIX)

A Class (ALTAX)

B Class (ALQBX) (closed)

C Class (ALTCX)

California Tax-Free Bond Fund

Investor Class (BCITX)

Institutional Class (BCTIX)

A Class (BCIAX)

C Class (BCIYX)

California Tax-Free Money Market Fund

Investor Class (BCTXX)

This statement of additional information adds to the discussion in the funds’ prospectuses dated

January 1, 2010 and March 1, 2010, but is not a prospectus. The statement of additional information

should be read in conjunction with the funds’ current prospectuses. If you would like a copy of a

prospectus, please contact us at one of the addresses or telephone numbers listed on the

back cover or visit American Century Investments’ Web site at americancentury.com.

This statement of additional information incorporates by reference certain information

that appears in the funds’ annual reports, which are delivered to all shareholders.

You may obtain a free copy of the funds’ annual reports by calling 1-800-345-2021.

©2010 American Century Proprietary Holdings, Inc. All rights reserved.

Table of Contents

The Funds’ History	2
Fund Investment Guidelines	2
California High-Yield Municipal Fund	3
California Long-Term Tax-Free Fund, California Tax-Free Bond Fund	4
California Tax-Free Money Market Fund	4
Fund Investments and Risks	5
Investment Strategies and Risks	5
Investment Policies	24
Temporary Defensive Measures	26
Portfolio Turnover	27
Management	27
The Board of Trustees	30
Ownership of Fund Shares	32
Code of Ethics	32
Proxy Voting Guidelines	32
Disclosure of Portfolio Holdings	34
The Funds’ Principal Shareholders	38
Service Providers	40
Investment Advisor	40
Portfolio Managers	43
Transfer Agent And Administrator	46
Sub-Administrator	47
Distributor	47
Custodian Banks	47
Independent Registered Public Accounting Firm	47
Brokerage Allocation	48
Regular Broker-Dealers	49
Information About Fund Shares	49
Multiple Class Structure	50
Buying and Selling Fund Shares	54
Valuation of a Fund’s Securities	54
Money Market Fund	55
Non-Money Market Funds	55
Taxes	57
Federal Income Tax	57
Alternative Minimum Tax	59
State and Local Taxes	59
Financial Statements	59
Explanation of Fixed-Income Securities Ratings	60

The Funds’ History

American Century California Tax-Free and Municipal Funds is a registered open-end management investment company that was organized as a Massachusetts business trust on February 18, 1983. From then until January 1997, it was known as Benham California Tax-Free and Municipal Funds. Throughout this statement of additional information, we refer to American Century California Tax-Free and Municipal Funds as the trust.

Each fund is a separate series of the trust and operates for many purposes as if it were an independent company. Each fund has its own investment objective, strategy, management team, assets, and tax identification and stock registration number.

Effective January 1, 2006, the California Intermediate-Term Tax-Free Fund was renamed the California Tax-Free Bond Fund.

Fund/Class	Ticker Symbol	Inception Date
California High-Yield Municipal Fund
Investor Class	BCHYX	12/30/1986
Institutional Class	BCHIX	03/01/2010
A Class	CAYAX	01/31/2003
B Class	CAYBX	01/31/2003
C Class	CAYCX	01/31/2003
California Long-Term Tax-Free Fund
Investor Class	BCLTX	11/09/1983
Institutional Class	BCLIX	03/01/2010
A Class	ALTAX	09/28/2007
B Class	ALQBX	09/28/2007
C Class	ALTCX	09/28/2007
California Tax-Free Bond Fund
Investor Class	BCITX	11/09/1983
Institutional Class	BCTIX	03/01/2010
A Class	BCIAX	03/01/2010
C Class	BCIYX	03/01/2010
California Tax-Free Money Market Fund
Investor Class	BCTXX	11/09/1983

Fund Investment Guidelines

This section explains the extent to which the funds’ advisor, American Century Investment Management, Inc., can use various investment vehicles and strategies in managing a fund’s assets. Descriptions of the investment techniques and risks associated with each appear in the section, Investment Strategies and Risks, which begins on page 5. In the case of the funds’ principal investment strategies, these descriptions elaborate upon the discussion contained in the prospectuses.

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Each fund is diversified as defined in the Investment Company Act of 1940 (the Investment Company Act), with the exception of California High-Yield Municipal Fund which is non-diversified. Diversified means that, with respect to 75% of its total assets, a fund will not invest more than 5% of its total assets in the securities of a single issuer or own more than 10% of the outstanding voting securities of a single issuer (other than U.S. government securities and securities of other investment companies). Nondiversified means that a fund may invest a greater percentage of its assets in a smaller number of securities than a diversified fund.

To meet federal tax requirements for qualification as a regulated investment company, each fund must limit its investments so that at the close of each quarter of its taxable year (1) no more than 25% of its total assets are invested in the securities of a single issuer (other than the U.S. government or a regulated investment company), and (2) with respect to at least 50% of its total assets, no more than 5% of its total assets are invested in the securities of a single issuer (other than the U.S. government or a regulated investment company) and it does not own more than 10% of the outstanding voting securities of a single issuer.

California Tax-Free Money Market operates pursuant to Rule 2a-7 under the Investment Company Act of 1940, which permits the valuation of portfolio securities on the basis of amortized cost. To rely on Rule 2a-7, the fund must comply with the definition of diversified under the rule.

Each fund intends to remain fully invested in municipal obligations. As a fundamental policy, each fund will invest at least 80% of its net assets in California municipal obligations. A municipal obligation is a “California” municipal obligation if its income is exempt from California state income taxes. This includes obligations of the Commonwealth of Puerto Rico and its public corporations (as well as other territories such as Guam and the Virgin Islands), which are exempt from federal and California state income taxes.

The remaining 20% of net assets may be invested in

(1)	municipal obligations issued in other states and
(2)	U.S. government obligations.

For temporary defensive purposes, each fund may invest more than 20% of its net assets in U.S. government obligations. For liquidity purposes, each fund may invest up to 5% of its total assets in shares of money market funds; the non-money market funds may invest in money market funds managed by the advisor.

Each fund will invest at least 80% of its net assets in obligations with interest exempt from regular federal income tax. California High-Yield Municipal, unlike the other funds, may invest substantially all of its assets in securities that are subject to the alternative minimum tax. See Alternative Minimum Tax, page 59.

For an explanation of the securities ratings referred to in the prospectuses and this statement of additional information, see Explanation of Fixed-Income Securities Ratings beginning on page 60.

California High-Yield Municipal Fund

Under normal market conditions, California High-Yield Municipal invests at least 80% of its assets in municipal securities with income payments exempt from federal and California income taxes. Although California High-Yield Municipal typically invests a significant portion of its assets in investment-grade bonds, the advisor does not adhere to specific rating criteria in selecting investments for this fund. The fund invests in securities rated or judged by the advisor to be below investment-grade quality (e.g., bonds rated BB/Ba or lower, which are sometimes referred to as junk bonds) or unrated bonds.

Many issuers of medium- and lower-quality bonds choose not to have their obligations rated and a large portion of California High-Yield Municipal’s portfolio may consist of obligations that, when acquired, were not rated. Unrated securities may be less liquid than comparable rated securities and may involve the risk that the portfolio managers may not accurately evaluate the security’s comparative credit rating. Analyzing the creditworthiness of issuers of lower-quality, unrated bonds may be more complex than analyzing the creditworthiness of issuers of higher-quality bonds. There is no limit to the percentage of assets the fund may invest in unrated securities. The fund may invest up to 10% of its total assets in securities that are in technical or monetary default.

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California High-Yield Municipal may invest in investment-grade municipal obligations if the advisor considers it appropriate to do so. Investments of this nature may be made due to market considerations (e.g., a limited supply of medium- and lower-grade municipal obligations) or to increase liquidity of the fund. Investing in high-grade obligations may lower the fund’s return.

California High-Yield Municipal may purchase private activity municipal securities. The interest from these securities is treated as a tax-preference item in calculating federal AMT liability. The fund is not limited in its investments in securities that are subject to the AMT. Therefore, the fund is better suited for investors who do not expect alternative minimum tax liability. See Taxes, page 57.

California Long-Term Tax-Free Fund

California Tax-Free Bond Fund

Under normal market conditions, California Long-Term Tax-Free and California Tax-Free Bond invest at least 80% of the value of their respective net assets (plus any borrowing for investment purposes) in a portfolio of investment grade municipal obligations with interest payments exempt from federal and California income taxes. The funds differ in their maturity criteria as stated in the prospectus. At least 80% of the funds will be invested in

• municipal bonds rated, when acquired, within the four highest categories designated by a rating agency  

• municipal notes (including variable-rate demand obligations) and tax-exempt commercial paper that is rated, when acquired, within the two highest categories designated by a rating agency  

• unrated obligations judged by the advisor to be of a quality comparable to the securities listed above.

Up to 20% of the funds’ respective net assets may be invested in securities rated below investment-grade quality. Many issuers of medium- and lower-quality bonds choose not to have their obligations rated and a portion of each fund’s portfolio may consist of obligations that, when acquired, were not rated. Unrated securities may be less liquid than comparable rated securities and may involve the risk that the portfolio managers may not accurately evaluate the security’s comparative credit quality. Analyzing the creditworthiness of issuers of lower-quality, unrated bonds may be more complex than analyzing the creditworthiness of issuers of higher-quality bonds. The funds also may invest in securities that are in technical or monetary default.

California Tax-Free Money Market Fund

California Tax-Free Money Market seeks to maintain a $1 share price, although there is no guarantee it will be able to do so. Shares of the fund are neither insured nor guaranteed by the U.S. government. The money market fund may be appropriate for investors seeking share price stability who can accept the lower yields that short-term obligations typically provide.

In selecting investments for the money market fund, the advisor adheres to regulatory guidelines concerning the quality and maturity of money market fund investments as well as to internal guidelines designed to minimize credit risk. In particular, the fund:

• buys only U.S. dollar-denominated obligations with remaining maturities of 397 days or less (and variable- and floating-rate obligations with demand features that effectively shorten their maturities to 397 days or less),  

• maintains a dollar-weighted average maturity of 90 days or less, and  

• restricts its investments to high-quality obligations determined by the advisor, pursuant to procedures established by the Board of Trustees, to present minimal credit risks.

To be considered high-quality, an obligation must be

• a U.S. government obligation, or  

• rated (or of an issuer rated with respect to a class of comparable short-term obligations) in one of the two highest rating categories for short-term obligations by at least two nationally recognized statistical rating agencies (or one if only one has rated the obligation), or  

• an unrated obligation judged by the advisor, pursuant to guidelines established by the Board of Trustees, to be of a quality comparable to the securities listed above.

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Fund Investments and Risks

Investment Strategies and Risks

This section describes the investment vehicles and techniques the portfolio managers can use in managing a fund’s assets. It also details the risks associated with each, because each investment vehicle and technique contributes to a fund’s overall risk profile.

Concentration in Types of Municipal Activities

From time to time, a significant portion of a fund’s assets may be invested in municipal obligations that are related to the extent that economic, business or political developments affecting one of these obligations could affect the other obligations in a similar manner.

For example, if a fund invested a significant portion of its assets in utility bonds and a state or federal government agency or legislative body promulgated or enacted new environmental protection requirements for utility providers, projects financed by utility bonds could suffer as a group. Additional financing might be required to comply with the new environmental requirements, and outstanding debt might be downgraded in the interim. Among other factors that could negatively affect bonds issued to finance similar types of projects are state and federal legislation regarding financing for municipal projects, pending court decisions relating to the validity or means of financing municipal projects, material or manpower shortages, and declining demand for projects or facilities financed by the municipal bonds.

About the Risks Affecting California Municipal Securities

As noted in the prospectus, the funds are susceptible to political, economic and regulatory events that affect issuers of California municipal obligations. These include possible adverse effects of California constitutional amendments, legislative measures, voter initiatives and other matters described below.

The following information about risk factors is provided in view of the funds’ policies of concentrating their assets in California municipal securities. This information is based on recent official statements relating to securities offerings of California issuers, although it does not constitute a complete description of the risks associated with investing in securities of these issuers. While the advisor has not independently verified the information contained in the official statements, it has no reason to believe the information is inaccurate.

Economic Overview

California’s economy, the largest among the 50 states and one of the largest in the world, has major components in high technology, trade, entertainment, agriculture, manufacturing, tourism, construction and services.

Since the summer of 2007 the state’s economy has been experiencing the most significant economic downturn and financial pressure since the Great Depression of the 1930s. From July 2007 to June 2009 the state has lost an estimated 736,300 jobs or 4.3% of its workforce. The unemployment rate as of July 2009 was 11.9% vs. a 5.5% rate in August 2007. The housing bubble in California was among one of the largest in the nation as median home prices from 1996 to 2006 increased more than 230% to $500,000. Since 2006, prices have declined by approximately 50% with the median home price as of June 2009 falling below $250,000. Personal income for the state fell in the fourth quarter of 2008 and the first quarter of 2009. The rate of contraction was also lower in the first quarter of 2009.  In the first quarter of 2009, personal income was down 0.2% from a year earlier. The only other time personal income declined on a year-over year basis was in the third quarter of 1949. Taxable sales fell sharply in the first half of 2009 and the total assessed valuation of property in the state is lower in Fiscal 2009-10 than it was the prior fiscal year. This is the first year- to year decline in the statewide total since the state began keeping records in 1933.

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Constitutional Limitations

Many California issuers rely on ad valorem property taxes as a source of revenue. The taxing powers of California local governments and districts are limited by Article XIIIA of the California Constitution, enacted by voters in 1978 and commonly known as “Proposition 13.” Proposition 13 limits to 1% of full cash value the rate of ad valorem taxes on real property and restricts the reassessment of property to 2% per year, except where new construction or changes of ownership have occurred (subject to a number of exemptions). Taxing entities may, however, raise ad valorem taxes above the 1% limit to pay debt service on voter-approved bonded indebtedness. The U.S. Supreme Court has upheld Proposition 13 against claims that it has unlawfully resulted in widely varying tax liability on similarly-situated properties.

Proposition 13 also requires voters of any governmental unit to give two-thirds approval to levy any special tax. Subsequent court decisions, however, have allowed non-voter approved general taxes so long as they are not dedicated to a specific use. In response to these decisions, voters adopted an initiative in 1986 that imposed new limits on the ability of local government entities to raise or levy general taxes without voter approval. Based upon a 1991 intermediate appellate court decision, it was believed that significant parts of this initiative, known as Proposition 62, were unconstitutional. On September 28, 1995, the California Supreme Court rendered a decision in the case of Santa Clara County Local Transportation Authority vs. Guardino that rejected the prior decision and upheld Proposition 62, while striking down a 1/2-cent sales tax for transportation purposes that was approved by a majority, but less than two-thirds, vote. Proposition 62 does not apply to charter cities, but other local governments may be constrained in raising any taxes without voter approval.

On November 5, 1996, California voters approved Proposition 218. This proposition adds Articles XIIIC and XIIID to the state constitution, which affects the ability of local governments, including charter cities, to levy and collect both existing and future taxes, assessments, fees and charges. Proposition 218 became effective November 6, 1996, although application of some of its provisions was deferred until July 1, 1997. This proposition could negatively impact a local government’s ability to make its debt service payments, and thus could result in lower credit ratings.

Because of the complex nature of certain Articles of the California Constitution, the ambiguities and possible inconsistencies in their terms and the impossibility of predicting future appropriations, population changes, changes in the cost of living or the probability of continuing legal challenges, it is difficult to measure the full impact of these Articles on the California municipal market or on the ability of California issuers to pay debt service on their obligations.

As part of a state-local agreement, Senate Constitutional Amendment No. 4 was enacted by the legislature and subsequently approved as Proposition 1A at the November 2004 election. Proposition 1A amended the State Constitution to reduce the legislature’s authority over local government revenue sources by placing restrictions on the state’s access to local governments’ property, sales, and vehicles license fee revenues as of November 3, 2004. Beginning with fiscal year 2008-09, the state will be able to borrow up to 8% of local property tax revenues, but only if the Governor proclaims such action is necessary due to a severe state fiscal hardship, a two-thirds approval from the state legislature is granted and the amount borrowed is to be paid back within three years. The state will also not be able to borrow from local property tax revenues for more than two fiscal years within a period of 10 fiscal years, and the previous borrowing must be repaid. In addition, the state cannot reduce the local sales tax rate or restrict the authority of the local governments to impose or change the distribution of the statewide local sales tax. The proposition also prohibits the state from mandating activities on cities, counties or special districts without providing for the funding needed to comply with the mandates.

Obligations of the State of California

As of August 2009 the state had outstanding approximately $67.1 billion in aggregate principal amount of long-term general obligation bonds and economic recovery bonds.

State Finances

The state’s principal sources of General Fund revenues have recently been derived from the California personal income tax (49% of total revenues), the sales tax (29% of total revenues), and bank and corporations taxes (11% of total revenues). Historically, the state has paid the principal and interest on its general obligation bonds, lease-purchase debt and short-term obligations when due. The general obligation debt’s priority of claim on state revenues is only second to education funding.

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The weak economy has resulted in a dramatic reduction in state revenues over the past two years. In December 2008, the Governor identified a budget gap in excess of $41 billion for the two fiscal years 2008-09 and 2009-10. After protracted negotiations, the legislature adopted the February 2009 budget package, consisting of revisions to the 2008 Budget Act and the Initial 2009 Budget Act, on February 19, 2009 which attempted to address the budget gap through significant expenditure reductions, revenue increases and borrowing.

By May 2009, continued economic decline with consequent reduction in revenues, plus the failure of various budget measures placed before voters at a May 19, 2009 special election ballot, led the Governor to announce that the budget gap for the period through June 30, 2010 was still projected to be more than $22 billion (and subsequently increased to $24 billion). The Amended 2009 Budget Act addressed the $24 billion budget gap projected at the time of its adoption through a combination of revenue enhancements and significant cuts in a wide variety of programs.  The sharp drop in revenues at the start of the 2008-09 fiscal year resulted in a significant depletion of cash resources to pay the state’s obligations, requiring the state to first defer certain payments, and then issue registered warrants in order to manage its cash resources. As a result of the cash pressure facing the state, on December 17, 2008, the Pooled Money Investment Board voted to significantly curtail loans from the state’s Pooled Money Investment Account thereby postponing or stopping thousands of infrastructure projects statewide. The Governor also ordered unpaid furloughs of state employees each month, beginning on February 1, 2009, as well as layoffs of state agency and department employees. Significant payments to public schools were deferred from the end of the 2008-09 Fiscal Year into the first few week of July 2009.  The state issued a $1.5 billion 2009 Interim Revenue Anticipation Note on August 27, 2009, which matures on October 5, 2009 in a private placement with J. P. Morgan Securities Inc. This permitted early redemption of the outstanding registered warrants.  The $8.8 billion 2009-10 Revenue Anticipation Note is expected to provide sufficient cash in the General Fund to meet the state’s cash management plan for 2009-10.

On July 28, 2009 The Governor signed the Amended 2009 Budget Act that includes another $24 billion in solutions to address further deterioration of the state’s fiscal situation. The Amended 2009 Budget Act contains the following major components:

1.	Addressing the Deficit- The $60 billion in budget solutions adopted for the combined fiscal years 2008-09 and 2009-10 include $36 billion in solutions that are wide-ranging and touch all three of the state’s major revenues sources. Spending cuts are implemented in virtually every state program that receives General Fund support. The budget solutions include spending reductions of $31 billion (52% of total solutions). The spending reductions consist primarily of reductions in education spending under Proposition 98, ($14.9 billion reduction), higher education ($3.3 billion), employee compensation ($2 billion) and reductions in other spending due to redevelopment agency revenues and fund balances that would otherwise be payable from the General Fund ($1.7 billion reduction). The budget solutions also include an estimated receipt of $8 billion (13% of total solutions) of federal stimulus funds which will be used to offset General Fund expenditures. Additional solutions include $12.5 billion of tax increases (21% of total solutions), and $8.4 billion of other solutions (14% of total solutions) including borrowing from local governments ($1.935 billion), redevelopment agency borrowing ($1.7 billion), a one-time savings from a payroll shift ($1.618 billion) and one time revenues from the sale of certain assets in the State Compensation insurance Fund ($1 billion).
2.	Federal Stimulus- As mentioned above, the 2009 Amended Budget Act assumed the receipt of at least $8 billion from the American Recovery and Reinvestment Act of 2009 to offset General Fund expenditures in fiscal years 2008-09 and 2009-10. Final estimates put this amount at about $8.1 billion. As of August 31, 2009 approximately $5 billion has been received by the state.
3.	Cash Flow Management- The deterioration of revenues resulted in a cash shortage in 2008-09 and 2009-10. In order to manage cash flow and provide for timely payments of the state’s obligations, the Amended 2009 Budget Act includes a number of cash solutions to better balance timing of receipts and disbursement.
4.	Proposition 98- The Proposition 98 Guarantee for 2009-10 is projected to be $50.4 billion, of which $35 billion is the General Fund portion.
5.	K-12 Education- The Amended 2009 Budget Act includes $66.7 billion for K-12 education programs for 2009-10 of which $35 billion is funded from the General Fund. This is a $1.8 billion decrease or 2.6% below the revised 2008-09 budget. Total per pupil expenditures are projected to decrease by $4,262 to $11,259 in 2009-10.
6.	Higher Education- The Amended 2009 Budget Act reflects a total funding of $20.9 billion, including $12.5 billion General Fund and Proposition 98 sources for all major segments of higher education.

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7.	Health and Human Services- The Amended 2009 Budget Act includes $24.8 billion in non-Proposition 98 General Fund expenditures for Health and Human Services programs for 2009-10, which is a decrease of $3.9 billion or 13.5% from the revised 2008-09 estimate. An additional $3.4 billion in reduction of these programs were avoided due to the federal stimulus money.
8.	Transportation Funding- The Amended 2009 Budget Act includes $1.441 billion of General Fund expenditures to fully fund local transportation programs under proposition 42 in 2009-10. The Amended 2009 Budget Act appropriates $4.2 billion in funds from Proposition 1B bond authorization (from November 2006). Also, $953 million of funds from sales taxes on fuel offsets costs of programs otherwise likely to be funded with the General Fund.
9.	Budget Stabilization Account- Under normal circumstances, the state would set aside a specified portion of estimated annual General Fund revenues for fiscal year 2009-10 in the BSA for reserves that may be used to offset future shortfalls in the General Fund. Given the magnitude and urgency of the state’s ongoing financial stress, the Amended 2009 Budget Act continues to suspend the transfer to the BSA for the 2009-10 Fiscal Year.
10.	Prison Funding- The Amended 2009 Budget Act includes $7.9 billion in General Fund expenditures for the California Department of Corrections and Rehabilitation (“CDCR”). A total of $1.2 billion of savings for CDRC operations was assumed.

The California Department of Finance has identified a number of risks which could affect the actual results for the 2009-10 Fiscal Year. The risks are summarized below:

1.	The state’s economic performance may be significantly worse than projected resulting in lower cash receipts from major tax sources.
2.	Furloughs and/or layoffs of state workers may result in General Fund revenues loss. The state now expects such actions will result in approximately $367 million of reduced revenues, primarily as a result of less active tax collections.
3.	Budget solutions contained in the Amended 2009 Budget Act and as a result of the Governor’s vetoes have been the subject of numerous legal challenges since the adoption of the Amended 2009 Budget Act, and may be the subject of further litigation the future.
4.	The state may be required under orders of a federal court to fund prison healthcare improvements in excess of amounts set forth in the Amended 2009 Budget Act.
5.	The state may be unable to sell the State Compensation Insurance Fund for the price and time provided for in the Amended 2009 Budget Act, and a lawsuit has been filed to prevent the sale. This is currently included as a $1 billion receipt.
6.	The federal government may reject some or all of the modifications to Medi-Cal called for in the Amended 2009 Budget Act. This represents up to $1 billion.
7.	The Amended 2009 Budget Act assumed that legislation and administrative actions would be taken, including prison and parole reforms and other changes applicable to the California Department of Corrections and Rehabilitation.
8.	The Legislature adopted a number of bills on or before September 11, 2009 in the current regular legislative session and in a special session of the legislature dealing with fiscal matters.

Due to the budget crisis the rating on the state’s general obligation ratings have declined. After reaching a recent high of “A1” by Moody’s,  “A+” by Standard and Poor’s, and “A+” by Fitch, all three rating agencies downgraded their respective ratings in 2009. Moody’s currently has a “Baa1” rating on the state’s general obligation bonds with a stable outlook. Standard and Poor’s rates the state “A-“ with a negative outlook while Fitch carries a “BBB “ rating on the state with a stable outlook.

Even with recent cuts and property tax shifts, more than 70% of the state’s General Fund expenditures are for local government assistance. To the extent that the state is constrained by its Article XIIIB appropriations limit, its obligation to conform to Proposition 98, or other fiscal considerations, the absolute level or rate of growth of state assistance to local governments may be reduced. Any such reductions in state aid could compound the serious fiscal constraints already experienced by many local governments, particularly counties.

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Asset-Backed Securities (ABS)

ABS are structured like mortgage-backed securities, but instead of mortgage loans or interest in mortgage loans, the underlying assets may include, for example, such items as motor vehicle installment sales or installment loan contracts, leases of various types of real and personal property, home equity loans, student loans, small business loans, and receivables from credit card agreements. The ability of an issuer of asset-backed securities to enforce its security interest in the underlying assets may be limited. The value of an ABS is affected by changes in the market’s perception of the assets backing the security, the creditworthiness of the servicing agent for the loan pool, the originator of the loans, the financial institution providing any credit enhancement, and subordination levels.

Payments of principal and interest passed through to holders of ABS are typically supported by some form of credit enhancement, such as a letter of credit, surety bond, limited guarantee by another entity or a priority to certain of the borrower’s other securities. The degree of credit enhancement varies, and generally applies to only a fraction of the asset-backed security’s par value until exhausted. If the credit enhancement of an ABS held by the fund has been exhausted, and if any required payments of principal and interest are not made with respect to the underlying loans, the fund may experience losses or delays in receiving payment.

Some types of ABS may be less effective than other types of securities as a means of “locking in” attractive long-term interest rates. One reason is the need to reinvest prepayments of principal; another is the possibility of significant unscheduled prepayments resulting from declines in interest rates. These prepayments would have to be reinvested at lower rates. As a result, these securities may have less potential for capital appreciation during periods of declining interest rates than other securities of comparable maturities, although they may have a similar risk of decline in market value during periods of rising interest rates. Prepayments may also significantly shorten the effective maturities of these securities, especially during periods of declining interest rates. Conversely, during periods of rising interest rates, a reduction in prepayments may increase the effective maturities of these securities, subjecting them to a greater risk of decline in market value in response to rising interest rates than traditional debt securities, and, therefore, potentially increasing the volatility of the fund.

The risks of investing in ABS are ultimately dependent upon the repayment of loans by the individual or corporate borrowers. Although a fund would generally have no recourse against the entity that originated the loans in the event of default by a borrower, ABS typically are structured to mitigate this risk of default.

Asset-backed securities are generally issued in more than one class, each with different payment terms. Multiple class asset-backed securities may be used as a method of providing credit support through creation of one or more classes whose right to payments is made subordinate to the right to such payments of the remaining class or classes. Multiple classes also may permit the issuance of securities with payment terms, interest rates or other characteristics differing both from those of each other and from those of the underlying assets. Examples include so-called strips (asset-backed securities entitling the holder to disproportionate interests with respect to the allocation of interest and principal of the assets backing the security), and securities with classes having characteristics such as floating interest rates or scheduled amortization of principal.

Commercial Mortgage-Backed Securities (CMBS)

CMBS are securities created from a pool of commercial mortgage loans, such as loans for hotels, shopping centers, office buildings, apartment buildings, and the like. Interest and principal payments from these loans are passed on to the investor according to a particular schedule of payments. They may be issued by U.S. government agencies or by private issuers. The credit quality of CMBS depends primarily on the quality of the underlying loans and on the structure of the particular deal. Generally, deals are structured with senior and subordinate classes. Multiple classes may permit the issuance of securities with payment terms, interest rates, or other characteristics differing both from those of each other and those of the underlying assets. Examples include classes having characteristics such as floating interest rates or scheduled amortization of principal. Rating agencies rate the individual classes of the deal based on the degree of seniority or subordination of a particular class and other factors. The value of these securities may change because of actual or perceived changes in the creditworthiness of individual borrowers, their tenants, the servicing agents, or the general state of commercial real estate and other factors.

CMBS may be partially stripped so that each investor class receives some interest and some principal. When securities are completely stripped, however, all of the interest is distributed to holders of one type of security, known as an interest-only security (IO), and all of the principal is distributed to holders of another type of security known as a principal-only security (PO). The funds are permitted to invest in IO classes of CMBS.

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As interest rates rise and fall, the value of IOs tends to move in the same direction as interest rates. The cash flows and yields on IO classes are extremely sensitive to the rate of principal payments (including prepayments) on the related underlying mortgage assets. In the cases of IOs, prepayments affect the amount of cash flows provided to the investor. If the underlying mortgage assets experience greater than anticipated prepayments of principal, an investor may fail to fully recoup its initial investment in an IO class of a stripped mortgage-backed security, even if the IO class is rated AAA or Aaa or is derived from a full faith and credit obligation. However, because commercial mortgages are often locked out from prepayment, or have high prepayment penalties or a defeasance mechanism, the prepayment risk associated with a CMBS IO class is generally less than that of a residential IO.

Derivative Securities

To the extent permitted by its investment objectives and policies, each fund may invest in securities that are commonly referred to as derivative securities. Generally, a derivative security is a financial arrangement, the value of which is based on, or derived from, a traditional security, asset, or market index.

Certain derivative securities may be described as structured investments. A structured investment is a security whose value or performance is linked to an underlying index or other security or asset class. Structured investments include asset-backed securities (ABS), commercial and residential mortgage-backed securities (CMBS and MBS), and collateralized mortgage obligations (CMO), which are described more fully below. Structured investments also include securities backed by other types of collateral. Structured investments involve the transfer of specified financial assets to a special purpose entity, generally a corporation or trust, or the deposit of financial assets with a custodian; and the issuance of securities or depositary receipts backed by, or representing interests in, those assets.

Some structured investments are individually negotiated agreements or are traded over the counter. Structured investments may be organized and operated to restructure the investment characteristics of the underlying security. The cash flow on the underlying instruments may be apportioned among the newly issued structured securities to create securities with different investment characteristics, such as varying maturities, payment priorities and interest rate provisions, and the extent of such payments made with respect to structured securities is dependent on the extent of the cash flow on the underlying instruments. Because structured securities typically involve no credit enhancement, their credit risk generally will be equivalent to that of the underlying instruments. Structured securities are subject to such risks as the inability or unwillingness of the issuers of the underlying securities to repay principal and interest, and requests by the issuers of the underlying securities to reschedule or restructure outstanding debt and to extend additional loan amounts.

Some derivative securities, such as mortgage-related and other asset-backed securities, are in many respects like any other investment, although they may be more volatile or less liquid than more traditional debt securities.

There are many different types of derivative securities and many different ways to use them. Futures and options are commonly used for traditional hedging purposes to attempt to protect a fund from exposure to changing interest rates, securities prices or currency exchange rates, and for cash management purposes as a low-cost method of gaining exposure to a particular securities market without investing directly in those securities.

The return on a derivative security may increase or decrease, depending upon changes in the reference index or instrument to which it relates.

There are a range of risks associated with investments in derivative securities, including:

• the risk that the underlying security, interest rate, market index or other financial asset will not move in the direction the portfolio managers anticipate or that the value of the structured or derivative security will not move or react to changes in the underlying security, interest rate, market index or other financial asset as anticipated;  

• the possibility that there may be no liquid secondary market, or the possibility that price fluctuation limits may be imposed by the exchange, either of which may make it difficult or impossible to close out a position when desired;  

• the risk that adverse price movements in an instrument can result in a loss substantially greater than a fund’s initial investment; and  

• the risk that the counterparty will fail to perform its obligations.

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A fund may not invest in a derivative security unless the reference index or the instrument to which it relates is an eligible investment for the fund. For example, a security whose underlying value is linked to the price of oil would not be a permissible investment because the funds may not invest in oil and gas leases or futures. A fund may not invest in a derivative security if its credit, interest rate, liquidity, counterparty and other risks associated with ownership of the security are outside acceptable limits set forth in the fund’s prospectus. The funds’ Board of Trustees has reviewed the advisor’s policy regarding investments in derivative securities. That policy specifies factors that must be considered in connection with a purchase of derivative securities and provides that a fund may not invest in a derivative security if it would be possible for a fund to lose more money than the notional value of the investment. The policy also establishes a committee that must review certain proposed purchases before the purchases can be made. The advisor will report on fund activity in derivative securities to the Board of Trustees as necessary.

Futures and Options

Each non-money market fund may enter into futures contracts, options or options on futures contracts. Futures contracts provide for the sale by one party and purchase by another party of a specific security at a specified future time and price. Some futures and options strategies, such as selling futures, buying puts and writing calls, hedge a fund’s investments against price fluctuations. Other strategies, such as buying futures, writing puts and buying calls, tend to increase market exposure. The funds do not use futures and options transactions for speculative purposes.

Although other techniques may be used to control a fund’s exposure to market fluctuations, the use of futures contracts may be a more effective means of hedging this exposure. While a fund pays brokerage commissions in connection with opening and closing out futures positions, these costs are lower than the transaction costs incurred in the purchase and sale of the underlying securities.

Futures contracts are traded on national futures exchanges. Futures exchanges and trading are regulated under the Commodity Exchange Act by the Commodity Futures Trading Commission (CFTC), a U.S. government agency. The funds may engage in futures and options transactions, provided that the transactions are consistent with the funds’ investment objectives. The funds also may engage in futures and options transactions based on specific securities such as U.S. Treasury bonds or notes.

Index futures contracts differ from traditional futures contracts in that when delivery takes place, no bonds change hands. Instead, these contracts settle in cash at the spot market value of the index. Although other types of futures contracts by their terms call for actual delivery or acceptance of the underlying securities, in most cases the contracts are closed out before the settlement date. A futures position may be closed by taking an opposite position in an identical contract (i.e., buying a contract that has previously been sold or selling a contract that has previously been bought).

Unlike when a fund purchases or sells a bond, no price is paid or received by the fund upon the purchase or sale of the future. Initially, the fund will be required to deposit an amount of cash or securities equal to a varying specified percentage of the contract amount. This amount is known as initial margin. The margin deposit is intended to ensure completion of the contract (delivery or acceptance of the underlying security) if it is not terminated prior to the specified delivery date. A margin deposit does not constitute a margin transaction for purposes of the fund’s investment restrictions. Minimum initial margin requirements are established by the futures exchanges and may be revised. In addition, brokers may establish margin deposit requirements that are higher than the exchange minimums. Cash held in the margin accounts generally is not income-producing. However, coupon bearing securities, such as Treasury bills and bonds, held in margin accounts generally will earn income.

Subsequent payments to and from the broker, called variation margin, will be made on a daily basis as the price of the underlying debt securities or index fluctuates, making the future more or less valuable, a process known as marking the contract to market. Changes in variation margin are recorded by the fund as unrealized gains or losses. At any time prior to expiration of the future, the fund may elect to close the position by taking an opposite position. A final determination of variation margin is then made; additional cash is required to be paid by or released to the fund and the fund realizes a loss or gain.

Risks Related to Futures and Options Transactions

Futures and options prices can be volatile, and trading in these markets involves certain risks. If the advisor applies a hedge at an inappropriate time or judges interest rate trends incorrectly, futures and options strategies may lower a fund’s return.

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A fund could suffer losses if it were unable to close out its position because of an illiquid secondary market. Futures contracts may be closed out only on an exchange that provides a secondary market for these contracts, and there is no assurance that a liquid secondary market will exist for any particular futures contract at any particular time. Consequently, it may not be possible to close a futures position when the portfolio managers consider it appropriate or desirable to do so. In the event of adverse price movements, a fund would be required to continue making daily cash payments to maintain its required margin. If the fund had insufficient cash, it might have to sell portfolio securities to meet daily margin requirements at a time when the advisor would not otherwise elect to do so. In addition, a fund may be required to deliver or take delivery of instruments underlying futures contracts it holds. The portfolio managers will seek to minimize these risks by limiting the contracts entered into on behalf of the funds to those traded on national futures exchanges and for which there appears to be a liquid secondary market.

A fund could suffer losses if the prices of its futures and options positions were poorly correlated with its other investments, or if securities underlying futures contracts purchased by a fund had different maturities than those of the portfolio securities being hedged. Such imperfect correlation may give rise to circumstances in which a fund loses money on a futures contract at the same time that it experiences a decline in the value of its “hedged” portfolio securities. A fund also could lose margin payments it has deposited with a margin broker, if, for example, the broker became bankrupt.

Most futures exchanges limit the amount of fluctuation permitted in futures contract prices during a single trading day. The daily limit establishes the maximum amount that the price of a futures contract may vary either up or down from the previous day’s settlement price at the end of the trading session. Once the daily limit has been reached in a particular type of contract, no trades may be made on that day at a price beyond the limit. However, the daily limit governs only price movement during a particular trading day and, therefore, does not limit potential losses. In addition, the daily limit may prevent liquidation of unfavorable positions. Futures contract prices have occasionally moved to the daily limit for several consecutive trading days with little or no trading, thereby preventing prompt liquidation of futures positions and subjecting some futures traders to substantial losses.

Options on Futures

By purchasing an option on a futures contract, a fund obtains the right, but not the obligation, to sell the futures contract (a put option) or to buy the contract (a call option) at a fixed strike price. A fund can terminate its position in a put option by allowing it to expire or by exercising the option. If the option is exercised, the fund completes the sale of the underlying security at the strike price. Purchasing an option on a futures contract does not require a fund to make margin payments unless the option is exercised.

Although they do not currently intend to do so, the funds may write (or sell) call options that obligate them to sell (or deliver) the option’s underlying instrument upon exercise of the option. While the receipt of option premiums would mitigate the effects of price declines, the funds would give up some ability to participate in a price increase on the underlying security. If a fund were to engage in options transactions, it would own the futures contract at the time a call was written and would keep the contract open until the obligation to deliver it pursuant to the call expired.

Restrictions on the Use of Futures Contracts and Options

Each fund may enter into futures contracts, options or options on futures contracts as permitted under the Commodity Futures Trading Commission rules. The funds have claimed exclusion from the definition of the term “commodity pool operator” under the Commodity Exchange Act and, therefore, are not subject to registration or regulation as commodity pool operators under that Act. To the extent required by law, each fund will segregate cash, cash equivalents or other appropriate liquid assets on its records in an amount sufficient to cover its obligations under the futures contracts and options.

Inflation-Indexed Securities

The funds may purchase inflation-indexed securities issued by the U.S. Treasury, U.S. government agencies and instrumentalities other than the U.S. Treasury, and entities other than the U.S. Treasury or U.S. government agencies and instrumentalities including state and local municipalities.

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Inflation-indexed securities are designed to offer a return linked to inflation, thereby protecting future purchasing power of the money invested in them. However, inflation-indexed securities provide this protected return only if held to maturity. In addition, inflation-indexed securities may not trade at par value. Real interest rates (the market rate of interest less the anticipated rate of inflation) change over time as a result of many factors, such as what investors are demanding as a true value for money. When real rates do change, inflation-indexed securities prices will be more sensitive to these changes than conventional bonds, because these securities were sold originally based upon a real interest rate that is no longer prevailing. Should market expectations for real interest rates rise, the price of inflation-indexed securities and the share price of a fund holding these securities will fall. Investors in the funds should be prepared to accept not only this share price volatility but also the possible adverse tax consequences it may cause.

An investment in securities featuring inflation-adjusted principal and/or interest involves factors not associated with more traditional fixed-principal securities. Such factors include the possibility that the inflation index may be subject to significant changes, that changes in the index may or may not correlate to changes in interest rates generally or changes in other indices, or that the resulting interest may be greater or less than that payable on other securities of similar maturities. In the event of sustained deflation, it is possible that the amount of semiannual interest payments, the inflation-adjusted principal of the security or the value of the stripped components will decrease. If any of these possibilities are realized, a fund’s net asset value could be negatively affected.

Municipal inflation-linked bonds generally have a fixed principal amount and the inflation component is reflected in the nominal coupon.

Inflation-Indexed Treasury Securities

Inflation-indexed U.S. Treasury securities are U.S. Treasury securities with a final value and interest payment stream linked to the inflation rate. Inflation-indexed U.S. Treasury securities may be issued in either note or bond form. Inflation-indexed U.S. Treasury notes have maturities of at least one year, but not more than 10 years. Inflation-indexed U.S. Treasury bonds have maturities of more than 10 years.

Inflation-indexed U.S. Treasury securities may be attractive to investors seeking an investment backed by the full faith and credit of the U.S. government that provides a return in excess of the rate of inflation. These securities were first sold in the U.S. market in January 1997. Inflation-indexed U.S. Treasury securities are auctioned and issued on a quarterly basis.

Structure and Inflation Index

The principal value of inflation-indexed U.S. Treasury securities will be adjusted to reflect changes in the level of inflation. The index for measuring the inflation rate for inflation-indexed U.S. Treasury securities is the non-seasonally adjusted U.S. City Average All Items Consumer Price for All Urban Consumers Index (Consumer Price Index) published monthly by the U.S. Department of Labor’s Bureau of Labor Statistics.

Semiannual coupon interest payments are made at a fixed percentage of the inflation-indexed principal value. The coupon rate for the semiannual interest rate of each issuance of inflation-indexed U.S. Treasury securities is determined at the time the securities are sold to the public (i.e., by competitive bids in the auction). The coupon rate will likely reflect real yields available in the U.S. Treasury market; real yields are the prevailing yields on U.S. Treasury securities with similar maturities, less then-prevailing inflation expectations. While a reduction in inflation will cause a reduction in the interest payment made on the securities, the repayment of principal at the maturity of the security is guaranteed by the U.S. Treasury to be no less than the original face or par amount of the security at the time of issuance.

Indexing Methodology

The principal value of inflation-indexed U.S. Treasury securities will be indexed, or adjusted, to account for changes in the Consumer Price Index. Semiannual coupon interest payment amounts will be determined by multiplying the inflation-indexed principal amount by one-half the stated rate of interest on each interest payment date.

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Taxation

The taxation of inflation-indexed U.S. Treasury securities is similar to the taxation of conventional bonds. Both interest payments and the difference between original principal and the inflation-adjusted principal will be treated as interest income subject to taxation. Interest payments are taxable when received or accrued. The inflation adjustment to the principal is subject to tax in the year the adjustment is made, not at maturity of the security when the cash from the repayment of principal is received. If an upward adjustment has been made (which typically should happen), investors in non-tax-deferred accounts will pay taxes on this amount currently. Decreases in the indexed principal can be deducted only from current or previous interest payments reported as income.

Inflation-indexed U.S. Treasury securities therefore have a potential cash flow mismatch to an investor, because investors must pay taxes on the inflation-adjusted principal before the repayment of principal is received. It is possible that, particularly for high income tax bracket investors, inflation-indexed U.S. Treasury securities would not generate enough income in a given year to cover the tax liability they could create. This is similar to the current tax treatment for zero-coupon bonds and other discount securities. If inflation-indexed U.S. Treasury securities are sold prior to maturity, capital losses or gains are realized in the same manner as traditional bonds.

Investors in a fund will receive dividends that represent both the interest payments and the principal adjustments of the inflation-indexed securities held in the fund’s portfolio. An investment in a fund may, therefore, be a means to avoid the cash flow mismatch associated with a direct investment in inflation-indexed securities. For more information about taxes and their effect on you as an investor in the funds, see Taxes, page 57.

U.S. Government Agencies

A number of U.S. government agencies and instrumentalities other than the U.S. Treasury may issue inflation-indexed securities. Some U.S. government agencies have issued inflation-indexed securities whose design mirrors that of the inflation-indexed U.S. Treasury securities described above.

Other Entities

Entities other than the U.S. Treasury or U.S. government agencies and instrumentalities may issue inflation-indexed securities. While some entities have issued inflation-linked securities whose design mirrors that of the inflation-indexed U.S. Treasury securities described above, others utilize different structures. For example, the principal value of these securities may be adjusted with reference to the Consumer Price Index, but the semiannual coupon interest payments are made at a fixed percentage of the original issue principal. Alternatively, the principal value may remain fixed, but the coupon interest payments may be adjusted with reference to the Consumer Price Index.

Inverse Floaters

The funds (except the money market fund) may hold inverse floaters. An inverse floater is a type of derivative that bears an interest rate that moves inversely to market interest rates. As market interest rates rise, the interest rate on inverse floaters goes down, and vice versa. Generally, this is accomplished by expressing the interest rate on the inverse floater as an above-market fixed rate of interest, reduced by an amount determined by reference to a market-based or bond-specific floating interest rate (as well as by any fees associated with administering the inverse floater program).

Inverse floaters may be issued in conjunction with an equal amount of Dutch Auction floating-rate bonds (floaters), or a market-based index may be used to set the interest rate on these securities. A Dutch Auction is an auction system in which the price of the security is gradually lowered until it meets a responsive bid and is sold. Floaters and inverse floaters may be brought to market by

(1)	a broker-dealer who purchases fixed-rate bonds and places them in a trust, or
(2)	an issuer seeking to reduce interest expenses by using a floater/inverse floater structure in lieu of fixed-rate bonds.

In the case of a broker-dealer structured offering (where underlying fixed-rate bonds have been placed in a trust), distributions from the underlying bonds are allocated to floater and inverse floater holders in the following manner:

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• Floater holders receive interest based on rates set at a six-month interval or at a Dutch Auction, which is typically held every 28 to 35 days. Current and prospective floater holders bid the minimum interest rate that they are willing to accept on the floaters, and the interest rate is set just high enough to ensure that all of the floaters are sold.  

• Inverse floater holders receive all of the interest that remains, if any, on the underlying bonds after floater interest and auction fees are paid. The interest rates on inverse floaters may be significantly reduced, even to zero, if interest rates rise.

Procedures for determining the interest payment on floaters and inverse floaters brought to market directly by the issuer are comparable, although the interest paid on the inverse floaters is based on a presumed coupon rate that would have been required to bring fixed-rate bonds to market at the time the floaters and inverse floaters were issued.

Where inverse floaters are issued in conjunction with floaters, inverse floater holders may be given the right to acquire the underlying security (or to create a fixed-rate bond) by calling an equal amount of corresponding floaters. The underlying security may then be held or sold. However, typically, there are time constraints and other limitations associated with any right to combine interests and claim the underlying security.

Floater holders subject to a Dutch Auction procedure generally do not have the right to “put back” their interests to the issuer or to a third party. If a Dutch Auction fails, the floater holder may be required to hold its position until the underlying bond matures, during which time interest on the floater is capped at a predetermined rate.

The secondary market for floaters and inverse floaters may be limited. The market value of inverse floaters tends to be significantly more volatile than fixed-rate bonds.

Lower-Quality Bonds

As indicated in the prospectus, an investment in California High-Yield Municipal carries greater risk than an investment in the other funds because the fund may invest, without limitation, in lower-rated bonds and unrated bonds judged by the advisor to be of comparable quality (collectively, lower-quality bonds).

While the market values of higher-quality bonds tend to correspond to market interest rate changes, the market values of lower-quality bonds tend to reflect the financial condition of their issuers. The ability of an issuer to make payment could be affected by litigation, legislation or other political events, or the bankruptcy of the issuer. Lower-quality municipal bonds are more susceptible to these risks than higher-quality municipal bonds. In addition, lower-quality bonds may be unsecured or subordinated to other obligations of the issuer.

Projects financed through the issuance of lower-quality bonds often carry higher levels of risk. The issuer’s ability to service its debt obligations may be adversely affected by an economic downturn, a period of rising interest rates, the issuer’s inability to meet projected revenue forecasts, a higher level of debt, or a lack of needed additional financing.

Lower-quality bonds generally are unsecured and often are subordinated to other obligations of the issuer. These bonds may have call or buy-back features that permit the issuer to call or repurchase the bond from the holder. Premature disposition of a lower-quality bond due to a call or buy-back feature, deterioration of the issuer’s creditworthiness, or a default may make it difficult for the advisor to manage the flow of income to the fund, which may have a negative tax impact on shareholders.

The market for lower-quality bonds tends to be concentrated among a smaller number of dealers than the market for higher-quality bonds. This market may be dominated by dealers and institutions (including mutual funds), rather than by individuals. To the extent that a secondary trading market for lower-quality bonds exists, it may not be as liquid as the secondary market for higher-quality bonds. Limited liquidity in the secondary market may adversely affect market prices and hinder the advisor’s ability to dispose of particular bonds when it determines that it is in the best interest of the fund to do so. Reduced liquidity also may hinder the advisor’s ability to obtain market quotations for purposes of valuing the fund’s portfolio and determining its net asset value.

The advisor continually monitors securities to determine their relative liquidity.

A fund may incur expenses in excess of its ordinary operating expenses if it becomes necessary to seek recovery on a defaulted bond, particularly a lower-quality bond.

Mortgage-Related Securities

To the extent permitted by its investment objectives and policies, each fund, other than the money market fund, may invest in mortgage-related securities.

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Background

A mortgage-backed security represents an ownership interest in a pool of mortgage loans. The loans are made by financial institutions to finance home and other real estate purchases. As the loans are repaid, investors receive payments of both interest and principal.

Like fixed-income securities such as U.S. Treasury bonds, mortgage-backed securities pay a stated rate of interest during the life of the security. However, unlike a bond, which returns principal to the investor in one lump sum at maturity, mortgage-backed securities return principal to the investor in increments during the life of the security.

Because the timing and speed of principal repayments vary, the cash flow on mortgage-backed securities is irregular. If mortgage holders sell their homes, refinance their loans, prepay their mortgages or default on their loans, the principal is distributed pro rata to investors.

As with other fixed-income securities, the prices of mortgage-backed securities fluctuate in response to changing interest rates; when interest rates fall, the prices of mortgage-backed securities rise, and vice versa. Changing interest rates have additional significance for mortgage-backed securities investors, however, because they influence prepayment rates (the rates at which mortgage holders prepay their mortgages), which in turn affect the yields on mortgage-backed securities. When interest rates decline, prepayment rates generally increase. Mortgage holders take advantage of the opportunity to refinance their mortgages at lower rates with lower monthly payments. When interest rates rise, mortgage holders are less inclined to refinance their mortgages. The effect of prepayment activity on yield depends on whether the mortgage-backed security was purchased at a premium or at a discount.

A fund may receive principal sooner than it expected because of accelerated prepayments. Under these circumstances, the fund might have to reinvest returned principal at rates lower than it would have earned if principal payments were made on schedule. Conversely, a mortgage-backed security may exceed its anticipated life if prepayment rates decelerate unexpectedly. Under these circumstances, a fund might miss an opportunity to earn interest at higher prevailing rates.

GNMA Certificates

The Government National Mortgage Association (GNMA) is a wholly owned corporate instrumentality of the United States within the Department of Housing and Urban Development. The National Housing Act of 1934 (Housing Act), as amended, authorizes GNMA to guarantee the timely payment of interest and repayment of principal on certificates that are backed by a pool of mortgage loans insured by the Federal Housing Administration under the Housing Act, or by Title V of the Housing Act of 1949 (FHA Loans), or guaranteed by the Veterans’ Affairs under the Servicemen’s Readjustment Act of 1944 (VA Loans), as amended, or by pools of other eligible mortgage loans. The Housing Act provides that the full faith and credit of the U.S. government is pledged to the payment of all amounts that may be required to be paid under any guarantee. GNMA has unlimited authority to borrow from the U.S. Treasury in order to meet its obligations under this guarantee.

GNMA certificates represent a pro rata interest in one or more pools of the following types of mortgage loans: (a) fixed-rate level payment mortgage loans; (b) fixed-rate graduated payment mortgage loans (GPMs); (c) fixed-rate growing equity mortgage loans (GEMs); (d) fixed-rate mortgage loans secured by manufactured (mobile) homes (MHs); (e) mortgage loans on multifamily residential properties under construction (CLCs); (f) mortgage loans on completed multifamily projects (PLCs); (g) fixed-rate mortgage loans that use escrowed funds to reduce the borrower’s monthly payments during the early years of the mortgage loans (buydown mortgage loans); and (h) mortgage loans that provide for payment adjustments based on periodic changes in interest rates or in other payment terms of the mortgage loans.

Fannie Mae Certificates

The Federal National Mortgage Association (FNMA or Fannie Mae) is a federally chartered and privately owned corporation established under the Federal National Mortgage Association Charter Act. Fannie Mae was originally established in 1938 as a U.S. government agency designed to provide supplemental liquidity to the mortgage market and was reorganized as a stockholder-owned and privately managed corporation by legislation enacted in 1968. Fannie Mae acquires capital from investors who would not ordinarily invest in mortgage loans directly and thereby expands the total amount of funds available for housing. This money is used to buy home mortgage loans from local lenders, replenishing the supply of capital available for mortgage lending.

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Fannie Mae certificates represent a pro rata interest in one or more pools of FHA Loans, VA Loans, or, most commonly, conventional mortgage loans (i.e., mortgage loans that are not insured or guaranteed by a government agency) of the following types: (a) fixed-rate level payment mortgage loans; (b) fixed-rate growing equity mortgage loans; (c) fixed-rate graduated payment mortgage loans; (d) adjustable-rate mortgage loans; and (e) fixed-rate mortgage loans secured by multifamily projects.

Fannie Mae certificates entitle the registered holder to receive amounts representing a pro rata interest in scheduled principal and interest payments (at the certificate’s pass-through rate, which is net of any servicing and guarantee fees on the underlying mortgage loans), any principal prepayments, and a proportionate interest in the full principal amount of any foreclosed or otherwise liquidated mortgage loan. The full and timely payment of interest and repayment of principal on each Fannie Mae certificate is guaranteed by Fannie Mae; this guarantee is not backed by the full faith and credit of the U.S. government.

Freddie Mac Certificates

The Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac) is a corporate instrumentality of the United States created pursuant to the Emergency Home Finance Act of 1970 (FHLMC Act), as amended. Freddie Mac was established primarily for the purpose of increasing the availability of mortgage credit. Its principal activity consists of purchasing first-lien conventional residential mortgage loans (and participation interests in such mortgage loans) and reselling these loans in the form of mortgage-backed securities, primarily Freddie Mac certificates.

Freddie Mac certificates represent a pro rata interest in a group of mortgage loans (a Freddie Mac certificate group) purchased by Freddie Mac. The mortgage loans underlying Freddie Mac certificates consist of fixed- or adjustable-rate mortgage loans with original terms to maturity of between 10 and 30 years, substantially all of which are secured by first-liens on one- to four-family residential properties or multifamily projects. Each mortgage loan must meet standards set forth in the FHLMC Act. A Freddie Mac certificate group may include whole loans, participation interests in whole loans, undivided interests in whole loans, and participations composing another Freddie Mac certificate group.

Freddie Mac guarantees to each registered holder of a Freddie Mac certificate the timely payment of interest at the rate provided for by the certificate. Freddie Mac also guarantees ultimate collection of all principal on the related mortgage loans, without any offset or deduction, but generally does not guarantee the timely repayment of principal. Freddie Mac may remit principal at any time after default on an underlying mortgage loan, but no later than 30 days following (a) foreclosure sale, (b) payment of a claim by any mortgage insurer, or (c) the expiration of any right of redemption, whichever occurs later, and in any event no later than one year after demand has been made upon the mortgager for accelerated payment of principal. Obligations guaranteed by Freddie Mac are not backed by the full faith and credit pledge of the U.S. government.

Recent Events Regarding Fannie Mae and Freddie Mac

Since September 2008, Fannie Mae and Freddie Mac have operated under a conservatorship administered by the Federal Housing Finance Agency (FHFA). At the end of 2008, the U.S. Treasury also announced three programs to provide financing to Fannie Mae and Freddie Mac. First, the U.S. Treasury entered into Senior Preferred Stock Purchase Agreements with Fannie Mae and Freddie Mac under which, if the FHFA determines that Fannie Mae’s or Freddie Mac’s liabilities have exceeded its assets under generally accepted accounting principles, the U.S. Treasury will contribute up to $200 billion in funds to that company in an amount equal to the difference between such liabilities and assets. Second, the U.S. Treasury established a secured lending facility providing Fannie Mae and Freddie Mac access to short-term loans from the U.S. Treasury. This credit facility was terminated on December 31, 2009. Third, the U.S. Treasury initiated a mortgage-backed securities (MBS) purchase program under which the U.S. Treasury had authority to purchase Fannie Mae and Freddie Mac MBS in the open market. This program expired on December 31, 2009. Also in late 2008, the Federal Reserve announced a program under which it would, among other things, purchase direct obligations of Fannie Mae and Freddie Mac and purchase MBS guaranteed by Fannie Mae and Freddie Mac. This program is set to expire on March 31, 2010 and could affect pricing and liquidity in the sector. More recently, new accounting standards will require consolidation of some Fannie Mae’s and Freddie Mac’s off-balance-sheet liabilities and, therefore, could impact agency debt valuation. Finally, in 2010, anticipated Congressional action to address structural change in Fannie Mae and Freddie Mac may have an impact on the value of their outstanding debt.

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Collateralized Mortgage Obligations (CMOs)

A CMO is a multiclass bond backed by a pool of mortgage pass-through certificates or mortgage loans. CMOs may be collateralized by (a) GNMA, Fannie Mae or Freddie Mac pass-through certificates; (b) unsecured mortgage loans insured by the Federal Housing Administration or guaranteed by the Department of Veterans’ Affairs; (c) unsecuritized conventional mortgages; or (d) any combination thereof.

In structuring a CMO, an issuer distributes cash flow from the underlying collateral over a series of classes called tranches. Each CMO is a set of two or more tranches, with average lives and cash flow patterns designed to meet specific investment objectives. The average life expectancies of the different tranches in a four-part deal, for example, might be two, five, seven and 20 years.

As payments on the underlying mortgage loans are collected, the CMO issuer pays the coupon rate of interest to the bondholders in each tranche. At the outset, scheduled and unscheduled principal payments go to investors in the first tranches. Investors in later tranches do not begin receiving principal payments until the prior tranches are paid off. This basic type of CMO is known as a sequential pay or plain vanilla CMO.

Some CMOs are structured so that the prepayment or market risks are transferred from one tranche to another. Prepayment stability is improved in some tranches if other tranches absorb more prepayment variability.

The final tranche of a CMO often takes the form of a Z-bond, also known as an accrual bond or accretion bond. Holders of these securities receive no cash until the earlier tranches are paid in full. During the period that the other tranches are outstanding, periodic interest payments are added to the initial face amount of the Z-bond but are not paid to investors. When the prior tranches are retired, the Z-bond receives coupon payments on its higher principal balance plus any principal prepayments from the underlying mortgage loans. The existence of a Z-bond tranche helps stabilize cash flow patterns in the other tranches. In a changing interest rate environment, however, the value of the Z-bond tends to be more volatile.

As CMOs have evolved, some classes of CMO bonds have become more prevalent. The planned amortization class (PAC) and targeted amortization class (TAC), for example, were designed to reduce prepayment risk by establishing a sinking-fund structure. PAC and TAC bonds assure to varying degrees that investors will receive payments over a predetermined period under various prepayment scenarios. Although PAC and TAC bonds are similar, PAC bonds are better able to provide stable cash flows under various prepayment scenarios than TAC bonds because of the order in which these tranches are paid.

The existence of a PAC or TAC tranche can create higher levels of risk for other tranches in the CMO because the stability of the PAC or TAC tranche is achieved by creating at least one other tranche — known as a companion bond, support or non-PAC bond — that absorbs the variability of principal cash flows. Because companion bonds have a high degree of average life variability, they generally pay a higher yield. A TAC bond can have some of the prepayment variability of a companion bond if there is also a PAC bond in the CMO issue.

Floating-rate CMO tranches (floaters) pay a variable rate of interest that is usually tied to the LIBOR. Institutional investors with short-term liabilities, such as commercial banks, often find floating-rate CMOs attractive investments. Super floaters (which float a certain percentage above LIBOR) and inverse floaters (which float inversely to LIBOR) are variations on the floater structure that have highly variable cash flows.

Stripped Mortgage-Backed Securities

Stripped mortgage-backed securities are created by segregating the cash flows from underlying mortgage loans or mortgage securities to create two or more new securities, each with a specified percentage of the underlying security’s principal or interest payments. Mortgage-backed securities may be partially stripped so that each investor class receives some interest and some principal. When securities are completely stripped, however, all of the interest is distributed to holders of one type of security, known as an interest-only security, or IO, and all of the principal is distributed to holders of another type of security known as a principal-only security, or PO. Strips can be created in a pass-through structure or as tranches of a CMO.

The market values of IOs and POs are very sensitive to interest rate and prepayment rate fluctuations. POs, for example, increase (or decrease) in value as interest rates decline (or rise). The price behavior of these securities also depends on whether the mortgage collateral was purchased at a premium or discount to its par value. Prepayments on discount coupon POs generally are much lower than prepayments on premium coupon POs. IOs may be used to hedge a fund’s other investments because prepayments cause the value of an IO strip to move in the opposite direction from other mortgage-backed securities.

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Adjustable-Rate Mortgage Securities (ARMS)

ARMs eligible for inclusion in a mortgage pool generally will provide for a fixed initial mortgage interest rate for a specified period of time, generally for either the first 3, 6, 12, 24, 36, 60 or 84 scheduled monthly payments. Thereafter, the interest rates are subject to periodic adjustment based on changes in an index.

ARMs have minimum and maximum rates beyond which the mortgage interest rate may not vary over the lifetime of the loan. Certain ARMs provide for additional limitations on the maximum amount by which the mortgage interest rate may adjust for any single adjustment period. Negatively amortizing ARMs may provide limitations on changes in the required monthly payment. Limitations on monthly payments can result in monthly payments that are greater or less than the amount necessary to amortize a negatively amortizing ARM by its maturity at the interest rate in effect during any particular month.

There are two types of indices that provide the basis for ARM rate adjustments: those based on market rates and those based on a calculated measure, such as a cost-of-funds index or a moving average of mortgage rates. Commonly utilized indices include the one-year, three-year and five-year constant maturity U.S. Treasury rates (as reported by the Federal Reserve Board); the three-month Treasury bill rate; the 180-day Treasury bill rate; rates on longer-term Treasury securities; the Eleventh District Federal Home Loan Bank Cost of Funds Index (EDCOFI); the National Median Cost of Funds Index; the one-month, three-month, six-month or one-year London Interbank Offered Rate (LIBOR); or six-month CD rates. Some indices, such as the one-year constant maturity Treasury rate or three-month LIBOR, are highly correlated with changes in market interest rates. Other indices, such as the EDCOFI, tend to lag behind changes in market rates and be somewhat less volatile over short periods of time.

The EDCOFI reflects the monthly weighted average cost of funds of savings and loan associations and savings banks whose home offices are located in Arizona, California and Nevada (the Federal Home Loan Bank Eleventh District) and who are member institutions of the Federal Home Loan Bank of San Francisco (the FHLB of San Francisco), as computed from statistics tabulated and published by the FHLB of San Francisco. The FHLB of San Francisco normally announces the Cost of Funds Index on the last working day of the month following the month in which the cost of funds was incurred.

One-year and three-year Constant Maturity Treasury (CMT) rates are calculated by the Federal Reserve Bank of New York, based on daily closing bid yields on actively traded Treasury securities submitted by five leading broker-dealers. The median bid yields are used to construct a daily yield curve.

The National Median Cost of Funds Index, similar to the EDCOFI, is calculated monthly by the Federal Home Loan Bank Board (FHLBB) and represents the average monthly interest expenses on liabilities of member institutions. A median, rather than an arithmetic mean, is used to reduce the effect of extreme numbers.

LIBOR is the rate at which banks in London offer Eurodollars in trades between banks. LIBOR has become a key rate in the U.S. domestic money market because it is perceived to reflect the true global cost of money.

The portfolio managers may invest in ARMs whose periodic interest rate adjustments are based on new indices as these indices become available.

Municipal Bonds

Municipal bonds, which generally have maturities of more than one year when issued, are designed to meet longer-term capital needs. These securities have two principal classifications: general obligation bonds and revenue bonds.

General Obligation (GO) Bonds are issued by states, counties, cities, towns, school districts and regional districts to fund a variety of public projects, including construction of and improvements to schools, highways, and water and sewer systems. General obligation bonds are backed by the issuer’s full faith and credit based on its ability to levy taxes for the timely payment of interest and repayment of principal, although such levies may be constitutionally or statutorily limited as to rate or amount.

Revenue Bonds are not backed by an issuer’s taxing authority; rather, interest and principal are secured by the net revenues from a project or facility. Revenue bonds are issued to finance a variety of capital projects, including construction or refurbishment of utility and waste disposal systems, highways, bridges, tunnels, air and seaport facilities and hospitals.

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Industrial Development Bonds (IDBs), a type of revenue bond, are issued by or on behalf of public authorities to finance privately operated facilities. These bonds are used to finance business, manufacturing, housing, athletic and pollution control projects, as well as public facilities such as mass transit systems, air and sea port facilities and parking garages. Payment of interest and repayment of principal on an IDB depend solely on the ability of the facility’s operator to meet financial obligations, and on the pledge, if any, of the real or personal property financed. The interest earned on IDBs may be subject to the federal alternative minimum tax.

Some longer-term municipal bonds allow an investor to "put" or sell the security at a specified time and price to the issuer or other "put provider." If a put provider fails to honor its commitment to purchase the security, the fund may have to treat the security's final maturity as its effective maturity, lengthening the fund's weighted average maturity and increasing the volatility of the fund.

Municipal Bond Insurance

The funds may purchase insured bonds from time to time. Municipal bond insurance provides an unconditional and irrevocable guarantee that the insured bond’s principal and interest will be paid when due. Insurance does not guarantee the price of the bond. The guarantee is purchased from a private, nongovernmental insurance company.

There are two types of insured securities that may be purchased by the funds: bonds carrying either (1) new issue insurance; or (2) secondary insurance. New issue insurance is purchased by the issuer of a bond in order to improve the bond’s credit rating. By meeting the insurer’s standards and paying an insurance premium based on the bond’s principal value, the issuer is able to obtain a higher credit rating for the bond. Once purchased, municipal bond insurance cannot be canceled, and the protection it affords continues as long as the bonds are outstanding and the insurer remains solvent.

The funds may also purchase bonds that carry secondary insurance purchased by an investor after a bond’s original issuance. Such policies insure a security for the remainder of its term. Generally, the funds expect that portfolio bonds carrying secondary insurance will have been insured by a prior investor. However, the funds may, on occasion, purchase secondary insurance on their own behalf.

Each of the municipal bond insurance companies has established reserves to cover estimated losses. Both the method of establishing these reserves and the amount of the reserves vary from company to company. The risk that a municipal bond insurance company may experience a claim extends over the life of each insured bond. Municipal bond insurance companies are obligated to pay a bond’s interest and principal when due if the issuing entity defaults on the insured bond. Although defaults on insured municipal bonds have been low to date, it is possible for default rates on insured bonds to increase substantially, which could deplete an insurer’s loss reserves and adversely affect the ability of a municipal bond insurer to pay claims to holders of insured bonds, such as the funds. The inability of an insurer to pay a particular claim, or a downgrade of the insurer’s rating, could adversely affect the values of all the bonds it insures. The number of municipal bond insurers is relatively small and, therefore, a significant amount of a municipal bond fund’s assets may be insured by a single issuer.

Recently, the role of bond insurance has declined in the municipal markets. Prior to the start of the financial crisis, municipal bond insurers backed approximately half of the municipal securities market. As of the date of this SAI, insured bonds make up closer to 10% of new issues. However, the downgrading of municipal bond insurers has negatively impacted the price of insured bonds. Municipal bonds that once traded with the insurers' AAA rating are now trading based on their underlying rating (i.e., the rating based solely on the municipality's credit profile). Even the insured bonds that are covered by bond insurers with AAA ratings may be trading at a lower price because of the uncertainty surrounding their reduced ability to pay claims. Given the potentially large number of claims against the insurers' existing capital bases (especially from business unrelated to municipal bond markets), it is uncertain whether these insurers will be able to meet future claims.

Municipal Lease Obligations

Each fund may invest in municipal lease obligations. These obligations, which may take the form of a lease, an installment purchase, or a conditional sale contract, are issued by state and local governments and authorities to acquire land and a wide variety of equipment and facilities. Generally, a fund will not hold such obligations directly as a lessor of the property but will purchase a participation interest in a municipal lease obligation from a bank or other third party.

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Municipal leases frequently carry risks distinct from those associated with general obligation or revenue bonds. State constitutions and statutes set forth requirements that states and municipalities must meet to incur debt. These may include voter referenda, interest rate limits or public sale requirements. Leases, installment purchases or conditional sale contracts (which normally provide for title to the leased asset to pass to the government issuer) have evolved as a way for government issuers to acquire property and equipment without meeting constitutional and statutory requirements for the issuance of debt.

Many leases and contracts include non-appropriation clauses, which provide that the governmental issuer has no obligation to make future payments under the lease or contract unless money is appropriated for such purposes by the appropriate legislative body on a yearly or other periodic basis. Municipal lease obligations also may be subject to abatement risk. For example, construction delays or destruction of a facility as a result of an uninsurable disaster that prevents occupancy could result in all or a portion of a lease payment not being made.

California and its municipalities are the largest issuers of municipal lease obligations in the United States.

Municipal Notes

Municipal notes are issued by state and local governments or government entities to provide short-term capital or to meet cash flow needs.

Tax Anticipation Notes (TANs) are issued in anticipation of seasonal tax revenues, such as ad valorem property, income, sales, use and business taxes, and are payable from these future taxes. TANs usually are general obligations of the issuer. General obligations are backed by the issuer’s full faith and credit based on its ability to levy taxes for the timely payment of interest and repayment of principal, although such levies may be constitutionally or statutorily limited as to rate or amount.

Revenue Anticipation Notes (RANs) are issued with the expectation that receipt of future revenues, such as federal revenue sharing or state aid payments, will be used to repay the notes. Typically, these notes also constitute general obligations of the issuer.

Bond Anticipation Notes (BANs) are issued to provide interim financing until long-term financing can be arranged. In most cases, the long-term bonds provide the money for repayment of the notes.

Tax-Exempt Commercial Paper is an obligation with a stated maturity of 365 days or less issued to finance seasonal cash flow needs or to provide short-term financing in anticipation of longer-term financing.

Revenue Anticipation Warrants, or reimbursement warrants, are issued to meet the cash flow needs of the State of California at the end of a fiscal year and in the early weeks of the following fiscal year. These warrants are payable from unapplied money in the state’s General Fund, including the proceeds of revenue anticipation notes issued following enactment of a state budget or the proceeds of refunding warrants issued by the state.

Municipal Tobacco Bonds

The funds (other than California Tax-Free Money Market) may invest in municipal tobacco bonds whose payment obligations are tied to a master settlement agreement with several major tobacco companies. The agreement provides that if certain conditions are met the tobacco companies may reduce or suspend their payments. In such an event, the issuer of the bonds may not make full payments and the funds, as investors of the bonds, may suffer.

Other Investment Companies

Each of the funds may invest in other investment companies, such as closed-end investment companies, unit investment trusts, exchange traded funds (ETFs) and other open-end investment companies, provided that the investment is consistent with the fund’s investment policies and restrictions. Under the Investment Company Act, a fund’s investment in such securities, subject to certain exceptions, currently is limited to:

• 3% of the total voting stock of any one investment company;  

• 5% of the fund’s total assets with respect to any one investment company; and  

• 10% of the fund’s total assets in the aggregate.

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A fund’s investments in other investment companies may include money market funds managed by the advisor. Investments in money market funds are not subject to the percentage limitations set forth above. Such purchases will be made in the open market where no commission or profit to a sponsor or dealer results from the purchase other than the customary brokers’ commissions. As a shareholder of another investment company, a fund would bear, along with other shareholders, its pro rata portion of the other investment company’s expenses, including advisory fees. These expenses would be in addition to the management fee that each fund bears directly in connection with its own operations.

ETFs, such as Standard & Poor’s Depositary Receipts (SPDRs) and the Barclays Aggregate Bond ETF, are a type of fund bought and sold on a securities exchange. An ETF trades like common stock and usually represents a fixed portfolio of securities designed to track the performance and dividend yield of a particular domestic or foreign market index. A fund may purchase an ETF to temporarily gain exposure to a portion of the U.S. or a foreign market while awaiting purchase of underlying securities. The risks of owning an ETF generally reflect the risks of owning the underlying securities they are designed to track, although the lack of liquidity on an ETF could result in it being more volatile and the market price for the ETF may be higher than or lower than the ETF’s net asset value. Additionally, ETFs have management fees, which increase their cost.

Restricted and Illiquid Securities

The funds may, from time to time, purchase restricted or illiquid securities when they present attractive investment opportunities that otherwise meet the funds’ criteria for selection. “Restricted Securities” include securities that cannot be sold to the public without registration under the Securities Act of 1933 or the availability of an exemption from registration (such as Rules 144 or 144A), or that are “not readily marketable” because they are subject to other legal or contractual delays in or restrictions on resale. Rule 144A securities are securities that are privately placed with and traded among qualified institutional investors rather than the general public. Although Rule 144A securities are considered “restricted securities,” they are not necessarily illiquid.

With respect to securities eligible for resale under Rule 144A, the staff of the SEC has taken the position that the liquidity of such securities in the portfolio of a fund offering redeemable securities is a question of fact for the Board of Trustees to determine, such determination to be based upon a consideration of the readily available trading markets and the review of any contractual restrictions. Accordingly, the Board of Trustees is responsible for developing and establishing the guidelines and procedures for determining the liquidity of Rule 144A securities. As allowed by Rule 144A, the Board of Trustees has delegated the day-to-day function of determining the liquidity of Rule 144A securities to the portfolio managers. The board retains the responsibility to monitor the implementation of the guidelines and procedures it has adopted.

Because the secondary market for restricted securities is generally limited to certain qualified institutional investors, the liquidity of such securities may be limited accordingly and a fund may, from time to time, hold a Rule 144A or other security that is illiquid. In such an event, the advisor will consider appropriate remedies to minimize the effect on such fund’s liquidity.

Short-Term Securities

In order to meet anticipated redemptions, anticipated purchases of additional securities for a fund’s portfolio, or, in some cases, for temporary defensive purposes, each fund may invest a portion of its assets in money market and other short-term securities.

Examples of those securities include:

• Securities issued or guaranteed by the U.S. government and its agencies and instrumentalities  

• Commercial Paper  

• Certificates of Deposit and Euro Dollar Certificates of Deposit  

• Bankers’ Acceptances  

• Short-term notes, bonds, debentures or other debt instruments  

• Repurchase agreements  

• Money Market funds

If a fund invests in U.S. government securities, a portion of dividends paid to shareholders will be taxable at the federal level, and may be taxable at the state level, as ordinary income. However, the advisor intends to minimize such investments and, when suitable short-term municipal securities are unavailable, may allow the funds to hold cash to avoid generating taxable dividends.

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Swap Agreements

Each fund, other than money market funds, may invest in swap agreements, consistent with its investment objective and strategies. A fund may enter into a swap agreement in order to, for example, attempt to obtain or preserve a particular return or spread at a lower cost than obtaining a return or spread through purchases and/or sales of instruments in other markets; protect against currency fluctuations; attempt to manage duration to protect against any increase in the price of securities the fund anticipates purchasing at a later date; or gain exposure to certain markets in the most economical way possible.

Swap agreements are two-party contracts entered into primarily by institutional investors for periods ranging from a few weeks to more than one year. In a standard “swap” transaction, two parties agree to exchange the returns (or differentials in rates of return) earned or realized on particular predetermined investments or instruments, which may be adjusted for an interest factor. The gross returns to be exchanged or “swapped” between the parties are generally calculated with respect to a “notional amount,” i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate, in a particular foreign currency, or in a “basket” of securities representing a particular index. Forms of swap agreements include, for example, interest rate swaps, under which fixed- or floating-rate interest payments on a specific principal amount are exchanged and total return swaps, under which one party agrees to pay the other the total return of a defined underlying asset (usually an index [including inflation indexes], stock, bond or defined portfolio of loans and mortgages) in exchange for fee payments, often a variable stream of cash flows based on LIBOR. The funds may enter into credit default swap agreements to hedge an existing position by purchasing or selling credit protection. Credit default swaps enable an investor to buy/sell protection against a credit event of a specific issuer. The seller of credit protection against a security or basket of securities receives an up-front or periodic payment to compensate against potential default event(s). The fund may enhance returns by selling protection or attempt to mitigate credit risk by buying protection. Market supply and demand factors may cause distortions between the cash securities market and the credit default swap market.

Whether a fund’s use of swap agreements will be successful depends on the advisor’s ability to predict correctly whether certain types of investments are likely to produce greater returns than other investments. Interest rate swaps could result in losses if interest rate changes are not correctly anticipated by the fund. Total return swaps could result in losses if the reference index, security, or investments do not perform as anticipated by the fund. Credit default swaps could result in losses if the fund does not correctly evaluate the creditworthiness of the issuer on which the credit default swap is based. Because they are two-party contracts and because they may have terms of greater than seven days, swap agreements may be considered to be illiquid. Moreover, a fund bears the risk of loss of the amount expected to be received under a swap agreement in the event of the default or bankruptcy of a swap agreement counterparty. The funds will enter into swap agreements only with counterparties that meet certain standards of creditworthiness. Certain restrictions imposed on the funds by the Internal Revenue Code may limit the funds’ ability to use swap agreements. The swaps market is an evolving market and is largely unregulated. It is possible that developments in the swaps market, including potential government regulation, could adversely affect a fund’s ability to terminate existing swap agreements or to realize amounts to be received under such agreements.

Tender Option Bonds

Tender option bonds (TOBs) were created to increase the supply of high-quality, short-term tax-exempt obligations, and thus they are of particular interest to the money market funds. However, any of the funds may purchase these instruments.

TOBs are created by municipal bond dealers who purchase long-term tax-exempt bonds, place the certificates in trusts, and sell interests in the trusts with puts or other liquidity guarantees attached. The credit quality of the resulting synthetic short-term instrument is based on the put provider’s short-term rating and the underlying bond’s long-term rating.

There is some risk that a remarketing agent will renege on a tender option agreement if the underlying bond is downgraded or defaults. Because of this, the portfolio managers monitor the credit quality of bonds underlying the funds’ TOB holdings and intend to sell or put back any TOB if the ratings on the underlying bond fall below regulatory requirements under Rule 2a-7.

The advisor also takes steps to minimize the risk that a fund may realize taxable income as a result of holding TOBs. These steps may include consideration of (1) legal opinions relating to the tax-exempt status of the underlying municipal bonds, (2) legal opinions relating to the tax ownership of the underlying bonds, and (3) other elements of the structure that could result in taxable income or other adverse tax consequences. After purchase, the advisor monitors factors related to the tax-exempt status of the fund’s TOB holdings in order to minimize the risk of generating taxable income.

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Variable-, Floating- and Auction-Rate Securities

Each fund may invest in variable-, floating-, or auction-rate securities. Variable- and floating-rate securities, including floating-rate notes (FRNs), provide for periodic adjustments to the interest rate. The adjustments are generally based on an index-linked formula, or determined through a remarketing process.

These types of securities may be combined with a put or demand feature that permits the fund to demand payment of principal plus accrued interest from the issuer or a financial institution. One example is the variable-rate demand note (VRDN). VRDNs combine a demand feature with an interest rate reset mechanism designed to result in a market value for the security that approximates par. VRDNs are generally designed to meet the requirements of money market fund Rule 2a-7, and may be permitted investments for California Tax-Free Money Market Fund.

Auction Rate Securities (ARS) are variable rate bonds whose interest rates are reset at specified intervals through a Dutch auction process. A Dutch auction is a competitive bidding process designed to determine a single uniform clearing rate that enables purchases and sales of the ARS to take place at par. All accepted bids and holders of the ARS receive the same rate. ARS holders rely on the liquidity generated by the Dutch auction. There is a risk that an auction will fail due to insufficient demand for the securities. If an auction fails, an ARS may become illiquid until either a subsequent successful auction is conducted, the issuer redeems the issue, or a secondary market develops.

When-Issued and Forward Commitment Agreements

The funds may engage in securities transactions on a when-issued or forward commitment basis in which the transaction price and yield are each fixed at the time the commitment is made, but payment and delivery occur at a future date.

For example, a fund may sell a security and at the same time make a commitment to purchase the same or a comparable security at a future date and specified price. Conversely, a fund may purchase a security and at the same time make a commitment to sell the same or a comparable security at a future date and specified price. These types of transactions are executed simultaneously in what are known as dollar-rolls (buy/sell back transactions), cash and carry, or financing transactions. For example, a broker-dealer may seek to purchase a particular security that a fund owns. The fund will sell that security to the broker-dealer and simultaneously enter into a forward commitment agreement to buy it back at a future date. This type of transaction generates income for the fund if the dealer is willing to execute the transaction at a favorable price in order to acquire a specific security.

When purchasing securities on a when-issued or forward commitment basis, a fund assumes the rights and risks of ownership, including the risks of price and yield fluctuations. For example, market rates of interest on debt securities at the time of delivery may be higher or lower than those contracted for on the when-issued security. Accordingly, the value of the security may decline prior to delivery, which could result in a loss to the fund. While the fund will make commitments to purchase or sell securities with the intention of actually receiving or delivering them, it may sell the securities before the settlement date if doing so is deemed advisable as a matter of investment strategy.

When purchasing securities on a when-issued or forward commitment basis, a fund will segregate cash equivalents or other appropriate liquid securities on its records in an amount sufficient to meet the purchase price. To the extent a fund remains fully invested or almost fully invested at the same time it has purchased securities on a when-issued basis, there will be greater fluctuations in its net asset value than if it solely set aside cash to pay for when-issued securities. When the time comes to pay for the when-issued securities, the fund will meet its obligations with available cash through the sale of securities, or, although it would not normally expect to do so, by selling the when-issued securities themselves (which may have a market value greater or less than the fund’s payment obligation). Selling securities to meet when-issued or forward commitment obligations may generate taxable capital gains or losses.

As an operating policy, no fund will commit more than 50% of its total assets to when-issued or forward commitment agreements. If fluctuations in the value of securities held cause more than 50% of a fund’s total assets to be committed under when-issued or forward commitment agreements, the portfolio managers need not sell such agreements, but they will be restricted from entering into further agreements on behalf of the fund until the percentage of assets committed to such agreements is below 50% of total assets.

Investment Policies

Unless otherwise indicated, with the exception of the percentage limitations on borrowing, the restrictions described below apply at the time a fund enters into a transaction. Accordingly, any later increase or decrease beyond the specified limitation resulting from a change in a fund’s assets will not be considered in determining whether it has complied with its investment policies.

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For purposes of the funds’ investment policies, the party identified as the “issuer” of a municipal security depends on the form and conditions of the security. When the assets and revenues of a political subdivision are separate from those of the government that created the subdivision and the security is backed only by the assets and revenues of the subdivision, the subdivision is deemed the sole issuer. Similarly, in the case of an Industrial Development Bond, if the bond were backed only by the assets and revenues of a non-governmental user, the non-governmental user would be deemed the sole issuer. If, in either case, the creating government or some other entity were to guarantee the security, the guarantee would be considered a separate security and treated as an issue of the guaranteeing entity.

Fundamental Investment Policies

The funds’ fundamental investment policies are set forth below. These investment policies, a fund’s investment objective set forth in its prospectus, and a fund’s status as diversified may not be changed without approval of a majority of the outstanding votes of shareholders of a fund, as determined in accordance with the Investment Company Act.

Subject	Policy
Senior Securities	A fund may not issue senior securities, except as permitted under the Investment Company Act.
Borrowing	A fund may not borrow money, except that a fund may borrow for temporary or emergency purposes (not for leveraging or investment) in an amount not exceeding 33⅓% of the fund’s total assets (including the amount borrowed) less liabilities (other than borrowings).
Lending	A fund may not lend any security or make any other loan if, as a result, more than 33⅓% of the fund’s total assets would be lent to other parties, except (i) through the purchase of debt securities in accordance with its investment objective, policies and limitations or (ii) by engaging in repurchase agreements with respect to portfolio securities.
Real Estate	A fund may not purchase or sell real estate unless acquired as a result of ownership of securities or other instruments. This policy shall not prevent a fund from investing in securities or other instruments backed by real estate or securities of companies that deal in real estate or are engaged in the real estate business.
Concentration	A fund may not concentrate its investments in securities of issuers in a particular industry (other than securities issued or guaranteed by the U.S. government or any of its agencies or instrumentalities).
Underwriting	A fund may not act as an underwriter of securities issued by others, except to the extent that the fund may be considered an underwriter within the meaning of the Securities Act of 1933 in the disposition of restricted securities.
Commodities	A fund may not purchase or sell physical commodities unless acquired as a result of ownership of securities or other instruments, provided that this limitation shall not prohibit the fund from purchasing or selling options and futures contracts or from investing in securities or other instruments backed by physical commodities.
Control	A fund may not invest for purposes of exercising control over management.

For purposes of the investment policies relating to lending and borrowing, the funds have received an exemptive order from the SEC regarding an interfund lending program. Under the terms of the exemptive order, the funds may borrow money from or lend money to other American Century Investments-advised funds that permit such transactions. All such transactions will be subject to the limits for borrowing and lending set forth above. The funds will borrow money through the program only when the costs are equal to or lower than the costs of short-term bank loans. Interfund loans and borrowings normally extend only overnight, but can have a maximum duration of seven days. The funds will lend through the program only when the returns are higher than those available from other short-term instruments (such as repurchase agreements). The funds may have to borrow from a bank at a higher interest rate if an interfund loan is called or not renewed. Any delay in repayment to a lending fund could result in a lost investment opportunity or additional borrowing costs.

For purposes of the investment policy relating to concentration, a fund shall not purchase any securities that would cause 25% or more of the value of the fund’s total assets at the time of purchase to be invested in the securities of one or more issuers conducting their principal business activities in the same industry, provided that

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(a)	there is no limitation with respect to obligations issued or guaranteed by the U.S. government, any state, territory or possession of the United States, the District of Columbia or any of their authorities, agencies, instrumentalities or political subdivisions and repurchase agreements secured by such obligations,
(b)	wholly owned finance companies will be considered to be in the industries of their parents if their activities are primarily related to financing the activities of their parents,
(c)	utilities will be divided according to their services, for example, gas, gas transmission, electric and gas, electric, and telephone will each be considered a separate industry, and
(d)	business credit and personal credit businesses will be considered separate industries.

Nonfundamental Investment Policies

In addition, the funds are subject to the following investment policies that are not fundamental and may be changed by the Board of Trustees.

Subject	Policy
Leveraging	A fund may not purchase additional investment securities at any time during which outstanding borrowings exceed 5% of the total assets of the fund.
Futures and Options	The money market fund may not purchase or sell futures contracts or call options. This limitation does not apply to options attached to, or acquired or traded together with, their underlying securities, and does not apply to securities that incorporate features similar to options or futures contracts.
Liquidity	A fund may not purchase any security or enter into a repurchase agreement if, as a result, more than 15% of its net assets (10% for the money market fund) would be invested in illiquid securities. Illiquid securities include repurchase agreements not entitling the holder to payment of principal and interest within seven days, and securities that are illiquid by virtue of legal or contractual restrictions on resale or the absence of a readily available market.
Short Sales	A fund may not sell securities short, unless it owns or has the right to obtain securities equivalent in kind and amount to the securities sold short, and provided that transactions in futures contracts and options are not deemed to constitute selling securities short.
Margin	A fund may not purchase securities on margin, except to obtain such short-term credits as are necessary for the clearance of transactions, and provided that margin payments in connection with futures contracts and options on futures contracts shall not constitute purchasing securities on margin.

The Investment Company Act imposes certain additional restrictions upon the funds’ ability to acquire securities issued by insurance companies, broker-dealers, underwriters or investment advisors, and upon transactions with affiliated persons as defined by the Act. It also defines and forbids the creation of cross and circular ownership. Neither the SEC nor any other agency of the federal or state government participates in or supervises the management of the funds or their investment practices or policies.

Temporary Defensive Measures

For temporary defensive purposes, a fund may invest in securities that may not fit its investment objective or its stated market. During a temporary defensive period, a fund may direct its assets to the following investment vehicles:

• interest-bearing bank accounts or certificates of deposit;  

• U.S. government securities and repurchase agreements collateralized by U.S. government securities; and  

• other money market funds.

To the extent a fund assumes a defensive position, it will not be pursuing its investment objectives and may generate taxable income.

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Portfolio Turnover

The portfolio turnover rate of each fund (except the money market fund) for its most recent fiscal year is included in the Fund Summary section of that fund's prospectus. The portfolio turnover rate for such fund's last five fiscal years, is shown in the Financial Highlights tables in the prospectuses. Because of the short-term nature of the money market fund’s investments, portfolio turnover rates are not generally used to evaluate their trading activities.

For each fund other than the money market fund, the portfolio managers intend to purchase a given security whenever they believe it will contribute to the stated objective of a particular fund. In order to achieve each fund’s investment objective, the managers may sell a given security regardless of the length of time it has been held in the portfolio, and regardless of the gain or loss realized on the sale. The managers may sell a portfolio security if they believe that the security is not fulfilling its purpose because, among other things, it did not live up to the managers’ expectations, because it may be replaced with another security holding greater promise, because it has reached its optimum potential, because of a change in the circumstances of a particular company or industry or in general economic conditions, or because of some combination of such reasons.

Because investment decisions are based on a particular security’s anticipated contribution to a fund’s investment objective, the managers believe that the rate of portfolio turnover is irrelevant when they determine that a change is required to achieve the fund’s investment objective. As a result, a fund’s annual portfolio turnover rate cannot be anticipated and may be higher than that of other mutual funds with similar investment objectives. Higher turnover could result in greater trading costs, which is a cost the funds pay directly. Portfolio turnover also may affect the character of capital gains realized and distributed by a fund, if any, because short-term capital gains are characterized as ordinary income.

Because the managers do not take portfolio turnover rate into account in making investment decisions, (1) the managers have no intention of maintaining any particular rate of portfolio turnover, whether high or low, and (2) the portfolio turnover rates in the past should not be considered as representative of the rates that will be attained in the future.

Variations in a fund’s portfolio turnover rate from year to year may be due to a fluctuating volume of shareholder purchase and redemption activity, varying market conditions, and/or changes in the managers’ investment outlook.

Management

The individuals listed below serve as trustees or officers of the funds. Each trustee serves until his or her successor is duly elected and qualified or until he or she retires. Effective March 2004, mandatory retirement age for independent trustees is 73. However, the mandatory retirement age may be extended for a period not to exceed two years with the approval of the remaining independent trustees. Those listed as interested trustees are “interested” primarily by virtue of their engagement as directors and/or officers of, or ownership interest in, American Century Companies, Inc. (ACC) or its wholly owned, direct or indirect, subsidiaries, including the funds’ investment advisor, American Century Investment Management, Inc. (ACIM or the advisor); the funds’ principal underwriter, American Century Investment Services, Inc. (ACIS); and the funds’ transfer agent, American Century Services, LLC (ACS).

The other trustees (more than three-fourths of the total number) are independent; that is, they have never been employees, directors or officers of, and have no financial interest in, ACC or any of its wholly owned, direct or indirect, subsidiaries, including ACIM, ACIS and ACS. The trustees serve in this capacity for eight registered investment companies in the American Century Investments family of funds.

All persons named as officers of the funds also serve in similar capacities for the other 14 registered investment companies in the American Century Investments family of funds advised by ACIM or American Century Global Investment Management, Inc. (ACGIM), a wholly owned subsidiary of ACIM, unless otherwise noted. Only officers with policy-making functions are listed. No officer is compensated for his or her service as an officer of the funds. The listed officers are interested persons of the funds and are appointed or re-appointed on an annual basis.

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Interested Trustee

Jonathan S. Thomas, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1963

Position(s) Held with Funds: Trustee (since 2007) and President (since 2007)

Principal Occupation(s) During Past 5 Years: President and Chief Executive Officer, ACC (March 2007 to present);Chief Administrative Officer, ACC (February 2006 to February 2007); Executive Vice President, ACC (November 2005 to February 2007). Also serves as: President, Chief Executive Officer and Director, ACS; Executive Vice President, ACIM and ACGIM; Director, ACIM, ACGIM, ACIS and other ACC subsidiaries. Managing Director, Morgan Stanley (March 2000 to November 2005)

Number of Portfolios in Fund Complex Overseen by Trustee: 103

Other Directorships Held by Trustee: None

Independent Trustees

John Freidenrich, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1937

Position(s) Held with Funds: Trustee (since 2005)

Principal Occupation(s) During Past 5 Years: Member and Manager, Regis Management Company, LLC (money management firm) (April 2004 to present); Partner and Founder, Bay Partners (venture capital firm) (1976 to 2006)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: None

Ronald J. Gilson, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1946

Position(s) Held with Funds: Trustee (since 1995) and Chairman of the Board (since 2005)

Principal Occupation(s) During Past 5 Years: Charles J. Meyers Professor of Law and Business, Stanford Law School (1979 to present); Marc and Eva Stern Professor of Law and Business, Columbia University School of Law (1992 to present)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: None

Frederick L. A. Grauer, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1946

Position(s) Held with Funds: Trustee (since 2008)

Principal Occupation(s) During Past 5 Years: Senior Advisor, Barclays Global Investors (asset manager) (2003 to present)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: None

Peter F. Pervere, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1947

Position(s) Held with Funds: Trustee (since 2007)

Principal Occupation(s) During Past 5 Years: Retired, formerly Vice President and Chief Financial Officer, Commerce One, Inc. (software and services provider)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: None

Myron S. Scholes, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1941

Position(s) Held with Funds: Trustee (since 1980)

Principal Occupation(s) During Past 5 Years: Chairman, Platinum Grove Asset Management, L.P. (asset manager) (1999 to present); Frank E. Buck Professor of Finance-Emeritus, Stanford Graduate School of Business (1996 to present)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: Dimensional Fund Advisors

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John B. Shoven, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1947

Position(s) Held with Funds: Trustee (since 2002)

Principal Occupation(s) During Past 5 Years: Professor of Economics, Stanford University (1973 to present)

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: Cadence Design Systems, E×ponent

Jeanne D. Wohlers, 1665 Charleston Road, Mountain View, CA 94043

Year of Birth: 1945

Position(s) Held with Funds: Trustee (since 1984)

Principal Occupation(s) During Past 5 Years: Retired

Number of Portfolios in Fund Complex Overseen by Trustee: 40

Other Directorships Held by Trustee: None

Officers

Barry Fink, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1955

Position(s) Held with Funds: Executive Vice President (since 2007)

Principal Occupation(s) During Past 5 Years: Chief Operating Officer and Executive Vice President, ACC (September 2007 to present); President, ACS (October 2007 to present); Managing Director, Morgan Stanley (2000 to 2007); Global General Counsel, Morgan Stanley (2000 to 2006). Also serves as: Director, ACC, ACS, ACIS and other ACC subsidiaries.

Maryanne Roepke, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1956

Position(s) Held with Funds: Chief Compliance Officer (since 2006) and Senior Vice President (since 2000)

Principal Occupation(s) During Past 5 Years: Chief Compliance Officer, ACIM, ACGIM and ACS (August 2006 to present); Assistant Treasurer, ACC (January 1995 to August 2006); and Treasurer and Chief Financial Officer, various American Century Investments funds (July 2000 to August 2006). Also serves as: Senior Vice President, ACS.

Charles A. Etherington, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1957

Position(s) Held with Funds: General Counsel (since 2007) and Senior Vice President (since 2006)

Principal Occupation(s) During Past 5 Years: Attorney, ACC (February 1994 to present);Vice President, ACC (November 2005 to present); General Counsel, ACC (March 2007 to present). Also serves as: General Counsel, ACIM, ACGIM, ACS, ACIS and other ACC subsidiaries; and Senior Vice President, ACIM, ACGIM and ACS.

Robert Leach, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1966

Position(s) Held with Funds: Vice President, Treasurer and Chief Financial Officer (all since 2006)

Principal Occupation(s) During Past 5 Years: Vice President, ACS (February 2000 to present); and Controller, various American Century Investments funds (1997 to September 2006).

David H. Reinmiller,4500 Main Street, Kansas City, MO 64111

Year of Birth:1963

Position(s) Held with Funds: Vice President (since September 2001)

Principal Occupation(s) During Past 5 Years: Attorney, ACC (January 1994 to present); Associate General Counsel, ACC (January 2001 to present); Chief Compliance Officer, American Century Investments funds, ACIM and ACGIM (January 2001 to February 2005). Also serves as: Associate General Counsel, ACIM, ACGIM, ACS, ACIS and other ACC subsidiaries; and Vice President, ACIM, ACGIM and ACS.

Ward Stauffer, 4500 Main Street, Kansas City, MO 64111

Year of Birth: 1960

Position(s) Held with Funds: Secretary (since March 2005)

Principal Occupation(s) During Past 5 Years: Attorney, ACC (June 2003 to present)

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The Board of Trustees

The Board of Trustees oversees the management of the funds and meets at least quarterly to review reports about fund operations. Although the Board of Trustees does not manage the funds, it has hired the advisor to do so. The trustees, in carrying out their fiduciary duty under the Investment Company Act of 1940, are responsible for approving new and existing management contracts with the funds’ advisor.

The board has the authority to manage the business of the funds on behalf of their investors, and it has all powers necessary or convenient to carry out that responsibility. Consequently, the trustees may adopt Bylaws providing for the regulation and management of the affairs of the funds and may amend and repeal them to the extent that such Bylaws do not reserve that right to the funds’ investors. They may fill vacancies in or reduce the number of board members, and may elect and remove such officers and appoint and terminate such agents as they consider appropriate. They may appoint from their own number and establish and terminate one or more committees consisting of two or more trustees who may exercise the powers and authority of the board to the extent that the trustees determine. They may, in general, delegate such authority as they consider desirable to any officer of the funds, to any committee of the board and to any agent or employee of the funds or to any custodian, transfer or investor servicing agent, or principal underwriter. Any determination as to what is in the interests of the funds made by the trustees in good faith shall be conclusive.

The Advisory Board

The funds also have an Advisory Board. Members of the Advisory Board, if any, function like fund trustees in many respects, but do not possess voting power. Advisory Board members are eligible to attend all meetings of the Board of Trustees and the independent trustees and receive any materials distributed in connection with such meetings.

Committees

The board has four standing committees to oversee specific functions of the funds’ operations. Information about these committees appears in the table below. The trustee first named serves as chairman of the committee.

Committee: Audit and Compliance

Members: Peter F. Pervere, Ronald J. Gilson, Jeanne D. Wohlers

Function: The Audit and Compliance Committee approves the engagement of the funds’ independent registered public accounting firm, recommends approval of such engagement to the independent trustees, and oversees the activities of the funds’ independent registered public accounting firm. The committee receives reports from the advisor’s Internal Audit Department, which is accountable to the committee. The committee also receives reporting about compliance matters affecting the funds.

Number of Meetings Held During Fiscal Year: 4

Committee: Corporate Governance

Members: Ronald J. Gilson, John Freidenrich, John B. Shoven

Function: The Corporate Governance Committee reviews board procedures and committee structures. It also considers and recommends individuals for nomination as trustees. The names of potential trustee candidates may be drawn from a number of sources, including recommendations from members of the board, management (in the case of interested trustees only) and shareholders. Shareholders may submit trustee nominations to the Corporate Secretary, American Century Investments Funds, P.O. Box 410141, Kansas City, MO 64141. All such nominations will be forwarded to the committee for consideration. The committee also may recommend the creation of new committees, evaluate the membership structure of new and existing committees, consider the frequency and duration of board and committee meetings and otherwise evaluate the responsibilities, processes, resources, performance and compensation of the board.

Number of Meetings Held During Fiscal Year: 1

Committee: Portfolio

Members: Myron S. Scholes, John Freidenrich, Frederick L.A. Grauer

Function: The Portfolio Committee reviews quarterly the investment activities and strategies used to manage fund assets. The committee regularly receives reports from portfolio managers, credit analysts and other investment personnel concerning the funds’ investments.

Number of Meetings Held During Fiscal Year: 4

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Committee: Quality of Service

Members: John B. Shoven, Ronald J. Gilson, Peter F. Pervere

Function: The Quality of Service Committee reviews the level and quality of transfer agent and administrative services provided to the funds and their shareholders. It receives and reviews reports comparing those services to those of fund competitors and seeks to improve such services where feasible and appropriate.

Number of Meetings Held During Fiscal Year: 4

Compensation of Trustees

The independent trustees serve as trustees for eight investment companies in the American Century Investments family of funds. Jonathan S. Thomas, interested trustee, serves as trustee or director for 15 investment companies in the American Century Investments family of funds. As an interested trustee, Mr. Thomas does not receive any compensation from the funds for his service as a trustee. Each trustee who is not an interested person as defined in the Investment Company Act receives compensation for service as a member of the board of all such companies based on a schedule that takes into account the number of meetings attended and the assets of the funds for which the meetings are held. These fees and expenses are divided among these investment companies based, in part, upon their relative net assets. Under the terms of the management agreement with the advisor, the funds are responsible for paying such fees and expenses.

The following table shows the aggregate compensation paid by the funds for the periods indicated and by the eight investment companies served by the board to each trustee who is not an interested person as defined in the Investment Company Act.

Aggregate Trustee Compensation for Fiscal Year Ended August 31, 2009
Name of Trustee	Total Compensation from the Funds(1)	Total Compensation from the American Century Investments Family of Funds(2)
John Freidenrich	$9,274	$131,099
Ronald J. Gilson	$15,517	$219,154
Frederick L. A. Grauer	$9,126	$129,099
Peter F. Pervere	$10,548	$149,105
Myron S. Scholes	$9,275	$131,102
John B. Shoven	$9,776	$138,102
Jeanne D. Wohlers	$9,933	$139,599

1 Includes compensation paid to the trustees for the fiscal year ended August 31, 2009, and also includes amounts deferred at the election of the trustees under the American Century Mutual Funds’ Independent Directors’ Deferred Compensation Plan.

2 Includes compensation paid by the investment companies of the American Century Investments family of funds served by this board. The total amount of deferred compensation included in the preceding table is as follows: Mr. Freidenrich, $0; Mr. Gilson, $219,154; Mr. Grauer, $0; Mr. Pervere, $19,455; Mr. Scholes, $52,332; Mr. Shoven, $138,102; and Jeanne Wohlers, $118,659.

The funds have adopted the American Century Mutual Funds’ Independent Directors’ Deferred Compensation Plan. Under the plan, the independent trustees may defer receipt of all or any part of the fees to be paid to them for serving as trustees of the funds.

All deferred fees are credited to an account established in the name of the trustees. The amounts credited to the account then increase or decrease, as the case may be, in accordance with the performance of one or more of the American Century Investments funds that are selected by the trustee. The account balance continues to fluctuate in accordance with the performance of the selected fund or funds until final payment of all amounts credited to the account. Trustees are allowed to change their designation of mutual funds from time to time.

No deferred fees are payable until such time as a trustee resigns, retires or otherwise ceases to be a member of the Board of Trustees. Trustees may receive deferred fee account balances either in a lump sum payment or in substantially equal installment payments to be made over a period not to exceed 10 years. Upon the death of a trustee, all remaining deferred fee account balances are paid to the trustee’s beneficiary or, if none, to the trustee’s estate.

The plan is an unfunded plan and, accordingly, the funds have no obligation to segregate assets to secure or fund the deferred fees. To date, the funds have voluntarily funded their obligations. The rights of trustees to receive their deferred fee account balances are the same as the rights of a general unsecured creditor of the funds. The plan may be terminated at any time by the administrative committee of the plan. If terminated, all deferred fee account balances will be paid in a lump sum.

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Ownership of Fund Shares

The trustees owned shares in the funds as of December 31, 2009, as shown in the table below.

	Name of Trustees
	Jonathan S. Thomas(1)	John Freidenrich	Ronald J. Gilson(1)	Frederick L.A. Grauer
Dollar Range of Equity Securities in the Funds:
California High-Yield Municipal	A	A	A	A
California Long-Term Tax-Free	A	A	A	A
California Tax-Free Bond	A	A	A	A
California Tax-Free Money Market	A	A	B	A
Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies	E	A	E	A

Ranges: A—none, B—$1-$10,000, C—$10,001-$50,000, D—$50,001-$100,000, E—More than $100,000

	Name of Trustees
	Peter F. Pervere(1)	Myron S. Scholes(1)	John B. Shoven(1)	Jeanne D. Wohlers
Dollar Range of Equity Securities in the Funds:
California High-Yield Municipal	A	A	A	A
California Long-Term Tax-Free	A	A	A	A
California Tax-Free Bond	A	A	A	A
California Tax-Free Money Market	A	B	A	E
Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies	A	E	E	E

Ranges: A—none, B—$1-$10,000, C—$10,001-$50,000, D—$50,001-$100,000, E—More than $100,000

1 This trustee owns shares of one or more registered investment companies in the American Century Investments family of funds that are not overseen by this board.

Code of Ethics

The funds, their investment advisor and principal underwriter have adopted codes of ethics under Rule 17j-1 of the Investment Company Act. They permit personnel subject to the codes to invest in securities, including securities that may be purchased or held by the funds, provided that they first obtain approval from the compliance department before making such investments.

Proxy Voting Guidelines

The advisor is responsible for exercising the voting rights associated with the securities purchased and/or held by the funds. In exercising its voting obligations, the advisor is guided by general fiduciary principles. It must act prudently, solely in the interest of the funds, and for the exclusive purpose of providing benefits to them. The advisor attempts to consider all factors of its vote that could affect the value of the investment. The funds’ Board of Trustees has approved the advisor’s proxy voting guidelines to govern the advisor’s proxy voting activities.

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The advisor and the board have agreed on certain significant contributors to shareholder value with respect to a number of matters that are often the subject of proxy solicitations for shareholder meetings. The proxy voting guidelines specifically address these considerations and establish a framework for the advisor’s consideration of the vote that would be appropriate for the funds. In particular, the proxy voting guidelines outline principles and factors to be considered in the exercise of voting authority for proposals addressing:

•	Election of Directors
•	Ratification of Selection of Auditors
•	Equity-Based Compensation Plans
•	Anti-Takeover Proposals
	¡  Cumulative Voting
	¡  Staggered Boards
	¡  “Blank Check” Preferred Stock
	¡  Elimination of Preemptive Rights
	¡  Non-Targeted Share Repurchase
	¡  Increase in Authorized Common Stock
	¡  “Supermajority” Voting Provisions or Super Voting Share Classes
	¡  “Fair Price” Amendments
	¡  Limiting the Right to Call Special Shareholder Meetings
	¡  Poison Pills or Shareholder Rights Plans
	¡  Golden Parachutes
	¡  Reincorporation
	¡  Confidential Voting
	¡  Opting In or Out of State Takeover Laws
•	Shareholder Proposals Involving Social, Moral or Ethical Matters
•	Anti-Greenmail Proposals
•	Changes to Indemnification Provisions
•	Non-Stock Incentive Plans
•	Director Tenure
•	Directors’ Stock Options Plans
•	Director Share Ownership

Finally, the proxy voting guidelines establish procedures for voting of proxies in cases in which the advisor may have a potential conflict of interest. Companies with which the advisor has direct business relationships could theoretically use these relationships to attempt to unduly influence the manner in which American Century Investments votes on matters for the funds. To ensure that such a conflict of interest does not affect proxy votes cast for the funds, all discretionary (including case-by-case) voting for these companies will be voted in direct consultation with a committee of the independent trustees of the funds.

In addition, to avoid any potential conflict of interest that may arise when one American Century Investments fund owns shares of another American Century Investments fund, the advisor will “echo vote” such shares, if possible. That is, it will vote the shares in the same proportion as the vote of all other holders of the shares. Shares of American Century Investments “NT” funds will be voted in the same proportion as the vote of the shareholders of the corresponding American Century Investments policy portfolio for proposals common to both funds. For example, NT Growth Fund shares will be echo voted in accordance with the votes of Growth Fund shareholders. In all other cases, the shares will be voted in direct consultation with a committee of the independent directors of the voting fund.

A copy of the advisor’s proxy voting guidelines and information regarding how the advisor voted proxies relating to portfolio securities during the most recent 12-month period ended June 30 are available on the About Us page at americancentury.com. The advisor’s proxy voting record also is available on the SEC’s Web site at sec.gov.

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Disclosure of Portfolio Holdings

The advisor (ACIM) has adopted policies and procedures with respect to the disclosure of fund portfolio holdings and characteristics, which are described below.

Distribution to the Public

Full portfolio holdings for each fund will be made available for distribution 30 days after the end of each calendar quarter, and will be posted on americancentury.com at approximately the same time. This disclosure is in addition to the portfolio disclosure in annual and semi-annual shareholder reports, and on Form N-Q, which disclosures are filed with the Securities and Exchange Commission within 60 days of each fiscal quarter end and also posted on americancentury.com at the time the filings are made.

Top 10 holdings for each fund will be made available for distribution 30 days after the end of each month, and will be posted on americancentury.com at approximately the same time.

Portfolio characteristics that are derived from portfolio holdings but do not identify any specific security will be made available for distribution 15 days after the end of the period to which such data relates. Characteristics that identify any specific security will be made available 30 days after the end of the period to which such data relates. Characteristics in both categories will generally be posted on americancentury.com at approximately the time they are made available for distribution. Data derived from portfolio returns and any other characteristics not deemed confidential will be available for distribution at any time. The advisor may make determinations of confidentiality on a fund-by-fund basis, and may add or delete characteristics to or from those considered confidential at any time.

Any American Century Investments fund that sells securities short as an investment strategy will disclose full portfolio holdings only in annual and semi-annual shareholder reports and on form N-Q. These funds will make long holdings available for distribution 30 days after the end of each calendar quarter, but the funds will keep short holdings confidential. Top 10 long holdings and portfolio characteristics will be made available for distribution in accordance with the policies set forth above.

So long as portfolio holdings are disclosed in accordance with the above parameters, the advisor makes no distinction among different categories of recipients, such as individual investors, institutional investors, intermediaries that distribute the funds’ shares, third-party service providers, rating and ranking organizations, and fund affiliates. Because this information is publicly available and widely disseminated, the advisor places no conditions or restrictions on, and does not monitor, its use. Nor does the advisor require special authorization for its disclosure.

Accelerated Disclosure

The advisor recognizes that certain parties, in addition to the advisor and its affiliates, may have legitimate needs for information about portfolio holdings and characteristics prior to the times prescribed above. Such accelerated disclosure is permitted under the circumstances described below.

Ongoing Arrangements

Certain parties, such as investment consultants who provide regular analysis of fund portfolios for their clients and intermediaries who pass through information to fund shareholders, may have legitimate needs for accelerated disclosure. These needs may include, for example, the preparation of reports for customers who invest in the funds, the creation of analyses of fund characteristics for intermediary or consultant clients, the reformatting of data for distribution to the intermediary’s or consultant’s clients, and the review of fund performance for ERISA fiduciary purposes.

In such cases, accelerated disclosure is permitted if the service provider enters an appropriate non-disclosure agreement with the fund’s distributor in which it agrees to treat the information confidentially until the public distribution date and represents that the information will be used only for the legitimate services provided to its clients (i.e., not for trading). Non-disclosure agreements require the approval of an attorney in the advisor’s legal department. The advisor’s compliance department receives quarterly reports detailing which clients received accelerated disclosure, what they received, when they received it and the purposes of such disclosure. Compliance personnel are required to confirm that an appropriate non-disclosure agreement has been obtained from each recipient identified in the reports.

Those parties who have entered into non-disclosure agreements as of January 19, 2010 are as follows:

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• American Fidelity Assurance Co.

• AUL/American United Life Insurance Company

• Ameritas Life Insurance Corporation

• Annuity Investors Life Insurance Company

• Asset Services Company L.L.C.

• Bell Globemedia Publishing

• Bellwether Consulting, LLC

• Bidart & Ross

• Callan Associates, Inc.

• Calvert Asset Management Company, Inc.

• Cambridge Financial Services, Inc.

• Capital Cities, LLC

• Charles Schwab & Co., Inc.

• Cleary Gull Inc.

• Commerce Bank, N.A.

• Connecticut General Life Insurance Company

• Consulting Services Group, LLC

• Curcio Webb LLC

• Defined Contribution Advisors, Inc.

• DWS Investments Distributors, Inc.

• EquiTrust Life Insurance Company

• Evaluation Associates, LLC

• Evergreen Investment Management Company, LLC

• Farm Bureau Life Insurance Company

• First MetLife Investors Insurance Company

• Fund Evaluation Group, LLC

• The Guardian Life Insurance & Annuity Company, Inc.

• Hammond Associates, Inc.

• Hewitt Associates LLC

• ICMA Retirement Corporation

• ING Insurance Company of America

• Iron Capital Advisors

• J.P. Morgan Retirement Plan Services LLC

• Jefferson National Life Insurance Company

• John Hancock Financial Services, Inc.

• Kansas City Life Insurance Company

• Kmotion, Inc.

• Liberty Life Insurance Company

• The Lincoln National Life Insurance Company

• Lipper Inc.

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• Marquette Associates

• Massachusetts Mutual Life Insurance Company

• Merrill Lynch

• MetLife Investors Insurance Company

• MetLife Investors Insurance Company of California

• Midland National Life Insurance Company

• Minnesota Life Insurance Company

• Morgan Keegan & Co., Inc.

• Morgan Stanley Smith Barney LLC

• Morningstar Associates LLC

• Morningstar Investment Services, Inc.

• National Life Insurance Company

• Nationwide Financial

• New England Pension Consultants

• The Newport Group

• Northwestern Mutual Life Insurance Co.

• NYLIFE Distributors, LLC

• Principal Life Insurance Company

• Prudential Financial

• Rocaton Investment Advisors, LLC

• Rogers Casey, Inc.

• S&P Financial Communications

• Security Benefit Life Insurance Co.

• Slocum

• SunTrust Bank

• Symetra Life Insurance Company

• Union Bank of California, N.A.

• The Union Central Life Insurance Company

• Valic Financial Advisors Inc.

• VALIC Retirement Services Company

• Vestek Systems, Inc.

• Wachovia Bank, N.A.

• Wells Fargo Bank, N.A.

Once a party has executed a non-disclosure agreement, it may receive any or all of the following data for funds in which its clients have investments or are actively considering investment:

(1)	Full holdings quarterly as soon as reasonably available;
(2)	Full holdings monthly as soon as reasonably available;
(3)	Top 10 holdings monthly as soon as reasonably available; and
(4)	Portfolio characteristics monthly as soon as reasonably available.

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The types, frequency and timing of disclosure to such parties vary. In most situations, the information provided pursuant to a non-disclosure agreement is limited to certain portfolio characteristics and/or top 10 holdings, which information is provided on a monthly basis. In limited situations, and when approved by a member of the legal department and responsible Chief Investment Officer, full holdings may be provided.

Single Event Requests

In certain circumstances, the advisor may provide fund holding information on an accelerated basis outside of an ongoing arrangement with manager-level or higher authorization. For example, from time to time the advisor may receive requests for proposals (RFPs) from consultants or potential clients that request information about a fund’s holdings on an accelerated basis. As long as such requests are on a one-time basis, and do not result in continued receipt of data, such information may be provided in the RFP as of the most recent month end regardless of lag time. Such information will be provided with a confidentiality legend and only in cases where the advisor has reason to believe that the data will be used only for legitimate purposes and not for trading.

In addition, the advisor occasionally may work with a transition manager to move a large account into or out of a fund. To reduce the impact to the fund, such transactions may be conducted on an in-kind basis using shares of portfolio securities rather than cash. The advisor may provide accelerated holdings disclosure to the transition manager with little or no lag time to facilitate such transactions, but only if the transition manager enters into an appropriate non-disclosure agreement.

Service Providers

Various service providers to the funds and the funds’ advisor must have access to some or all of the funds’ portfolio holdings information on an accelerated basis from time to time in the ordinary course of providing services to the funds. These service providers include the funds’ custodian (daily, with no lag), auditors (as needed) and brokers involved in the execution of fund trades (as needed). Additional information about these service providers and their relationships with the funds and the advisor are provided elsewhere in this statement of additional information. In addition, the funds' investment advisor may use analytical systems provided by third party data aggregators who have access to the funds' portfolio holdings daily, with no lag.  These data aggregators enter into non-disclosure agreements after authorization by an appropriate officer of the advisor.

Additional Safeguards

The advisor’s policies and procedures include a number of safeguards designed to control disclosure of portfolio holdings and characteristics so that such disclosure is consistent with the best interests of fund shareholders. First, the frequency with which this information is disclosed to the public, and the length of time between the date of the information and the date on which the information is disclosed, are selected to minimize the possibility of a third party improperly benefiting from fund investment decisions to the detriment of fund shareholders. Second, distribution of portfolio holdings information, including compliance with the advisor’s policies and the resolution of any potential conflicts that may arise, is monitored quarterly. Finally, the funds’ Board of Trustees exercises oversight of disclosure of the funds’ portfolio securities. The board has received and reviewed a summary of the advisor’s policy and is informed on a quarterly basis of any changes to or violations of such policy detected during the prior quarter.

Neither the advisor nor the funds receive any compensation from any party for the distribution of portfolio holdings information.

The advisor reserves the right to change its policies and procedures with respect to the distribution of portfolio holdings information at any time. There is no guarantee that these policies and procedures will protect the funds from the potential misuse of holdings information by individuals or firms in possession of such information.

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The Funds’ Principal Shareholders

As of January 29, 2010, the following shareholders owned more than 5% of the outstanding shares of a class of the funds. The table shows shares owned of record. Beneficial ownership of which American Century Investments is aware, if any, appears in a footnote to the table.

Fund/ Class	Shareholder	Percentage of Outstanding Shares Owned of Record
California High-Yield Municipal
Investor Class
	Charles Schwab & Co. San Francisco, CA	30%
	National Financial Services Corp. New York, NY	7%
A Class
	Charles Schwab & Co. Inc. San Francisco, CA	43%
	MLPF&S Inc. Jacksonville, FL	12%
	LPL Financial San Diego, CA	6%
B Class
	MLPF&S Inc. Jacksonville, FL	16%
	American Enterprise Investment Svcs Minneapolis, MN	7%
	American Enterprise Investment Svcs Minneapolis, MN	6%
	NFS LLC FEBO Hilda Baker Hilda Baker TR Los Angeles, CA	5%
C Class
	MLPF&S Inc. Jacksonville, FL	27%
California Long-Term Tax-Free
Investor Class
	Charles Schwab & Co. San Francisco, CA	11%
A Class
	American Enterprise Inv Svcs Minneapolis, MN	14%
	American Enterprise Inv Svcs Minneapolis, MN	13%
	First Clearing LLC Brown Family Trust Curtis P. Brown Long Beach, CA	7%

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Fund/ Class	Shareholder	Percentage of Outstanding Shares Owned of Record
California Long-Term Tax-Free
A Class
	Charles Schwab & Co Inc San Francisco, CA	7%
	NFS LLC FEBO VSC INC DBA Vulcan Steel Company Lk Arrowhead, CA	7%
	First Clearing LLC Kentfield, CA	7%
	MLPF&S Jacksonville, FL	6%
B Class
	American Century Investment Management, Inc. Kansas City, MO	100%(1)
C Class
	MLPF&S Jacksonville, FL	32%
California Tax-Free Bond
Investor Class
	Charles Schwab & Co. San Francisco, CA	33%
	National Financial Services Corp. New York, NY	7%
California Tax-Free Money Market
Investor Class
	M Franklin Rudy & Margaret C Rudy TR Rudy Family Trust Calabasas, CA	6%

1 Shares owned of record and beneficially.

The funds are unaware of any other shareholders, beneficial or of record, who own more than 5% of any class of a fund’s outstanding shares. The funds are unaware of any shareholders, beneficial or of record, who own more than 25% of the voting securities of the trust. A shareholder owning beneficially more than 25% of the trust’s outstanding shares may be considered a controlling person. The vote of any such person could have a more significant effect on matters presented at a shareholders’ meeting than votes of other shareholders. As of January 29, 2010, the officers and trustees of the funds, as a group, owned less than 1% of any class of a fund’s outstanding shares.

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Service Providers

The funds have no employees. To conduct the funds’ day-to-day activities, the trust has hired a number of service providers. Each service provider has a specific function to fill on behalf of the funds that is described below.

ACIM, ACS and ACIS are wholly owned, directly or indirectly, by ACC. James E. Stowers, Jr. controls ACC by virtue of his stock ownership.

Investment Advisor

American Century Investment Management, Inc. (ACIM) serves as the investment advisor for each of the funds. A description of the responsibilities of the advisor appears in each prospectus under the heading Management.

For the services provided to the funds, the advisor receives a unified management fee based on a percentage of the daily net assets of each class of shares of the fund. For more information about the unified management fee, see The Investment Advisor under the heading Management in each fund’s prospectus. The annual rate at which this fee is assessed is determined daily in a multi-step process. First, each of the trust’s funds is categorized according to the broad asset class in which it invests (e.g., money market, bond or equity), and the assets of the funds in each category are totaled (“Fund Category Assets”). Second, the assets are totaled for certain other accounts managed by the advisor (“Other Account Category Assets”). To be included, these accounts must have the same management team and investment objective as a fund in the same category with the same board of trustees as the trust. Together, the Fund Category Assets and the Other Account Category Assets comprise the “Investment Category Assets.” The Investment Category Fee Rate is then calculated by applying a fund’s Investment Category Fee Schedule to the Investment Category Assets and dividing the result by the Investment Category Assets.

Finally, a separate Complex Fee Schedule is applied to the assets of all of the funds in the American Century Investments family of funds (the “Complex Assets”), and the Complex Fee Rate is calculated based on the resulting total. The Investment Category Fee Rate and the Complex Fee Rate are then added to determine the Management Fee Rate payable by a class of the fund to the advisor.

For purposes of determining the assets that comprise the Fund Category Assets, Other Account Category Assets and Complex Assets, the assets of registered investment companies managed by the advisor that invest primarily in the shares of other registered investment companies shall not be included.

The schedules by which the unified management fee is determined are shown below.

Investment Category Fee Schedule for California High-Yield Municipal
Category Assets	Fee Rate
First $1 billion	0.3100%
Next $1 billion	0.2580%
Next $3 billion	0.2280%
Next $5 billion	0.2080%
Next $15 billion	0.1950%
Next $25 billion	0.1930%
Thereafter	0.1925%

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Investment Category Fee Schedule for California Long-Term Tax-Free and California Tax-Free Bond
Category Assets	Fee Rate
First $1 billion	0.2800%
Next $1 billion	0.2280%
Next $3 billion	0.1980%
Next $5 billion	0.1780%
Next $15 billion	0.1650%
Next $25 billion	0.1630%
Thereafter	0.1625%

Investment Category Fee Schedule for California Tax-Free Money Market
Category Assets	Fee Rate
First $1 billion	0.2700%
Next $1 billion	0.2270%
Next $3 billion	0.1860%
Next $5 billion	0.1690%
Next $15 billion	0.1580%
Next $25 billion	0.1575%
Thereafter	0.1570%

The Complex Fee is determined according to the schedule below.

Complex Fee Schedule
Complex Assets	Fee Rate for Investor Class, A Class, B Class and C Class	Fee Rate for Institutional Class
First $2.5 billion	0.3100%	0.1100%
Next $7.5 billion	0.3000%	0.1000%
Next $15 billion	0.2985%	0.0985%
Next $25 billion	0.2970%	0.0970%
Next $25 billion	0.2870%	0.0870%
Next $25 billion	0.2800%	0.0800%
Next $25 billion	0.2700%	0.0700%
Next $25 billion	0.2650%	0.0650%
Next $25 billion	0.2600%	0.0600%
Next $25 billion	0.2550%	0.0550%
Thereafter	0.2500%	0.0500%

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On each calendar day, each class of each fund accrues a management fee that is equal to the class’s Management Fee Rate times the net assets of the class divided by 365 (366 in leap years). On the first business day of each month, the funds pay a management fee to the advisor for the previous month. The fee for the previous month is the sum of the calculated daily fees for each class of a fund during the previous month.

The management agreement between the trust and the advisor shall continue in effect until the earlier of the expiration of two years from the date of its execution or until the first meeting of shareholders following such execution and for as long thereafter as its continuance is specifically approved at least annually by

• the funds’ Board of Trustees, or a majority of outstanding shareholder votes (as defined in the Investment Company Act) and  

• the vote of a majority of the trustees of the funds who are not parties to the agreement or interested persons of the advisor, cast in person at a meeting called for the purpose of voting on such approval.

The management agreement states that the funds’ Board of Trustees or a majority of outstanding shareholder votes may terminate the management agreement at any time without payment of any penalty on 60 days’ written notice to the advisor. The management agreement shall be automatically terminated if it is assigned.

The management agreement provides that the advisor shall not be liable to the funds or their shareholders for anything other than willful misfeasance, bad faith, gross negligence or reckless disregard of its obligations and duties.

The management agreement also provides that the advisor and its officers, trustees and employees may engage in other business, render services to others, and devote time and attention to any other business whether of a similar or dissimilar nature.

Certain investments may be appropriate for the funds and also for other clients advised by the advisor. Investment decisions for the funds and other clients are made with a view to achieving their respective investment objectives after consideration of such factors as their current holdings, availability of cash for investment and the size of their investment generally. A particular security may be bought or sold for only one client or fund, or in different amounts and at different times for more than one but less than all clients or funds. A particular security may be bought for one client or fund on the same day it is sold for another client or fund, and a client or fund may hold a short position in a particular security at the same time another client or fund holds a long position. In addition, purchases or sales of the same security may be made for two or more clients or funds on the same date. The advisor has adopted procedures designed to ensure such transactions will be allocated among clients and funds in a manner believed by the advisor to be equitable to each. In some cases this procedure could have an adverse effect on the price or amount of the securities purchased or sold by a fund.

The advisor may aggregate purchase and sale orders of the funds with purchase and sale orders of its other clients when the advisor believes that such aggregation provides the best execution for the funds. The Board of Trustees has approved the policy of the advisor with respect to the aggregation of portfolio transactions. Fixed-income securities transactions are not executed through a centralized trading desk. Instead, portfolio teams are responsible for executing trades with broker/dealers in a predominantly dealer marketplace. Trade allocation decisions are made by the portfolio manager at the time of trade execution and orders entered on the fixed-income order management system. The advisor will not aggregate portfolio transactions of the funds unless it believes such aggregation is consistent with its duty to seek best execution on behalf of the funds and the terms of the management agreement. The advisor receives no additional compensation or remuneration as a result of such aggregation.

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Unified management fees incurred by each fund for the fiscal periods ended August 31, 2009, 2008 and 2007, are indicated in the following table.

Unified Management Fees
Fund	2009	2008	2007
California High-Yield Municipal	$2,574,499(1)	$3,232,273	$3,108,718
California Long-Term Tax-Free	$1,953,563	$2,140,044	$2,174,114
California Tax-Free Bond	$2,777,896	$2,874,457	$2,185,454
California Tax-Free Money Market	$2,177,986(2)	$2,563,948(3)	$2,473,927(4)

1 Amount shown reflects waiver by advisor of $10,025 in management fees.

2 Amount shown reflects waiver by advisor of $320,851 in management fees.

3 Amount shown reflects waiver by advisor of $239,471 in management fees.

4 Amount shown reflects waiver by advisor of $95,201 in management fees.

Portfolio Managers

Accounts Managed

The portfolio managers are responsible for the day-to-day management of various accounts, as indicated by the following table. None of these accounts has an advisory fee based on the performance of the account.

Accounts Managed (As of August 31, 2009)
		Registered Investment Companies (e.g., American Century Investments funds and American Century Investments- subadvised funds)	Other Pooled Investment Vehicles (e.g., commingled trusts and 529 education savings plans)	Other Accounts (e.g., separate accounts and corporate accounts, including incubation strategies and corporate money)
Joseph Gotelli	Number of Accounts	5	0	0
	Assets	$2.5 billion(1)	N/A	N/A
Alan Kruss	Number of Accounts	4	0	0
	Assets	$2.1 billion(2)	N/A	N/A
G. David MacEwen	Number of Accounts	10	1	0
	Assets	$5.1 billion(3)	$34.4 million	N/A
Steven M. Permut	Number of Accounts	12	0	0
	Assets	$11.4 billion(4)	N/A	N/A

1 Includes $420.9 million in California Long-Term Tax-Free Fund and $595.0 million in California Tax-Free Bond Fund.

2 Includes $595.0 million in California Tax-Free Bond Fund.

3 Includes $420.9 million in California Long-Term Tax-Free Fund.

4 Includes $504.6 million in California High-Yield Municipal Fund; $420.9 million in California Long-Term Tax-Free Fund; $595.0 million in California Tax-Free Bond Fund and $439.9 million in California Tax-Free Money Market Fund.

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Potential Conflicts of Interest

Certain conflicts of interest may arise in connection with the management of multiple portfolios. Potential conflicts include, for example, conflicts among investment strategies and conflicts in the allocation of investment opportunities. American Century Investments has adopted policies and procedures that are designed to minimize the effects of these conflicts.

Responsibility for managing American Century Investments client portfolios is organized according to investment discipline. Investment disciplines include, for example, quantitative equity, small- and mid-cap growth, large-cap growth, value, international, fixed income, asset allocation, and sector funds. Within each discipline are one or more portfolio teams responsible for managing specific client portfolios. Generally, client portfolios with similar strategies are managed by the same team using the same objective, approach, and philosophy. Accordingly, portfolio holdings, position sizes, and industry and sector exposures tend to be similar across similar portfolios, which minimizes the potential for conflicts of interest.

For each investment strategy, one portfolio is generally designated as the “policy portfolio.” Other portfolios with similar investment objectives, guidelines and restrictions, if any, are referred to as “tracking portfolios.” When managing policy and tracking portfolios, a portfolio team typically purchases and sells securities across all portfolios that the team manages. American Century Investments’ trading systems include various order entry programs that assist in the management of multiple portfolios, such as the ability to purchase or sell the same relative amount of one security across several funds. In some cases a tracking portfolio may have additional restrictions or limitations that cause it to be managed separately from the policy portfolio. Portfolio managers make purchase and sale decisions for such portfolios alongside the policy portfolio to the extent the overlap is appropriate, and separately, if the overlap is not.

American Century Investments may aggregate orders to purchase or sell the same security for multiple portfolios when it believes such aggregation is consistent with its duty to seek best execution on behalf of its clients. Orders of certain client portfolios may, by investment restriction or otherwise, be determined not available for aggregation. American Century Investments has adopted policies and procedures to minimize the risk that a client portfolio could be systematically advantaged or disadvantaged in connection with the aggregation of orders. To the extent equity trades are aggregated, shares purchased or sold are generally allocated to the participating portfolios pro rata based on order size. Because initial public offerings (IPOs) are usually available in limited supply and in amounts too small to permit across-the-board pro rata allocations, American Century Investments has adopted special procedures designed to promote a fair and equitable allocation of IPO securities among clients over time. Fixed income securities transactions are not executed through a centralized trading desk. Instead, portfolio teams are responsible for executing trades with broker/dealers in a predominantly dealer marketplace. Trade allocation decisions are made by the portfolio manager at the time of trade execution and orders entered on the fixed income order management system.

Finally, investment of American Century Investments’ corporate assets in proprietary accounts may raise additional conflicts of interest. To mitigate these potential conflicts of interest, American Century Investments has adopted policies and procedures intended to provide that trading in proprietary accounts is performed in a manner that does not give improper advantage to American Century Investments to the detriment of client portfolios.

Compensation

American Century Investments portfolio manager compensation is structured to align the interests of portfolio managers with those of the shareholders whose assets they manage. As of August 31, 2009, it includes the components described below, each of which is determined with reference to a number of factors such as overall performance, market competition, and internal equity. Compensation is not directly tied to the value of assets held in client portfolios.

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Base Salary

Portfolio managers receive base pay in the form of a fixed annual salary.

Bonus

A significant portion of portfolio manager compensation takes the form of an annual incentive bonus tied to performance. Bonus payments are determined by a combination of factors. One factor is fund investment performance. Fund investment performance is generally measured by a combination of one- and three-year pre-tax performance relative to various benchmarks and/or internally-customized peer groups, such as those indicated below. The performance comparison periods may be adjusted based on a fund’s inception date or a portfolio manager’s tenure on the fund. In 2008, American Century Investments began placing increased emphasis on long-term performance and is phasing in five-year performance comparison periods.

Fund	Benchmarks	Peer Group(1)
California High-Yield Municipal		Morningstar US-Muni CA Long
California Long-Term Tax-Free	Proprietary Investortools CIM CA Long-Term Tax Free Index	Morningstar US-Muni CA Long
California Tax-Free Bond	Proprietary Investortools CIM CA Tax Free Index	Lipper CA Intermediate Muni Debt Funds

1 Custom peer groups are constructed using all the funds in the indicated categories as a starting point. Funds are then eliminated from the peer group based on a standardized methodology designed to result in a final peer group that is both more stable (i.e., has less peer turnover) over the long term and that more closely represents the fund’s true peers based on internal investment mandates.

Portfolio managers may have responsibility for multiple American Century Investments mutual funds. In such cases, the performance of each is assigned a percentage weight appropriate for the portfolio manager’s relative levels of responsibility. Portfolio managers also may have responsibility for other types of similarly managed portfolios. If the performance of a similarly managed account is considered for purposes of compensation, it is either measured in the same way as a comparable American Century Investments mutual fund (i.e., relative to the performance of a benchmark and/or peer group) or relative to the performance of such mutual fund.

A second factor in the bonus calculation relates to the performance of a number of American Century Investments funds managed according to one of the following investment styles: U.S. growth, U.S. value, international, quantitative and fixed-income. Performance is measured for each product individually as described above and then combined to create an overall composite for the product group. These composites may measure one-year performance (equal weighted) or a combination of one- and three-year performance (equal or asset weighted) depending on the portfolio manager’s responsibilities and products managed. This feature is designed to encourage effective teamwork among portfolio management teams in achieving long-term investment success for similarly styled portfolios.

A portion of portfolio managers’ bonuses may be tied to individual performance goals, such as research projects and the development of new products.

Restricted Stock Plans

Portfolio managers are eligible for grants of restricted stock of ACC. These grants are discretionary, and eligibility and availability can vary from year to year. The size of an individual’s grant is determined by individual and product performance as well as other product-specific considerations. Grants can appreciate/depreciate in value based on the performance of the ACC stock during the restriction period (generally three to four years).

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Deferred Compensation Plans

Portfolio managers are eligible for grants of deferred compensation. These grants are used in very limited situations, primarily for retention purposes. Grants are fixed and can appreciate/depreciate in value based on the performance of the American Century Investments mutual funds in which the portfolio manager chooses to invest them.

Ownership of Securities

The following table indicates the dollar range of securities of each fund beneficially owned by the funds’ portfolio managers as of the fiscal year ended August 31, 2009.

Ownership of Securities
		Aggregate Dollar Range of Securities in Fund
California High-Yield Municipal
	Steven M. Permut	F
California Long-Term Tax-Free
	G. David MacEwen	C
	Joseph Gotelli	A
	Steven M. Permut(1)	A
California Tax-Free Bond Fund
	Alan Kruss	C
	Joseph Gotelli	A
	Steven M. Permut(1)	A

Ranges: A – none; B – $1-$10,000; C – $10,001-$50,000; D – $50,001-$100,000; E – $100,001-$500,000;  F – $500,001-$1,000,000; G – More than $1,000,000.

1 This portfolio manager serves on an investment team that oversees a number of funds in the same broad investment category and is not expected to invest in each such fund.

Transfer Agent And Administrator

American Century Services, LLC, 4500 Main Street, Kansas City, Missouri 64111, serves as transfer agent and dividend-paying agent for the funds. It provides physical facilities, computer hardware and software, and personnel for the day-to-day administration of the funds and the advisor. The advisor pays ACS’s costs for serving as transfer agent and dividend-paying agent for the funds out of the advisor’s unified management fee. For a description of this fee and the terms of its payment, see the above discussion under the caption Investment Advisor on page 40.

From time to time, special services may be offered to shareholders who maintain higher share balances in our family of funds. These services may include the waiver of minimum investment requirements, expedited confirmation of shareholder transactions, newsletters and a team of personal representatives. Any expenses associated with these special services will be paid by the advisor.

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Sub-Administrator

The advisor has entered into a Mutual Funds Services Agreement with J.P. Morgan Investor Services Co. (JPMIS) to provide certain fund accounting, fund financial reporting, tax and treasury/tax compliance services for the funds, including striking the daily net asset value for each fund. The advisor pays JPMIS a monthly fee on a per fund basis as compensation for these services. While ACS continues to serve as the administrator of the funds, JPMIS provides sub-administrative services that were previously undertaken by ACS.

Distributor

The funds’ shares are distributed by American Century Investment Services, Inc. (ACIS), a registered broker-dealer. ACIS is a wholly owned subsidiary of ACC and its principal business address is 4500 Main Street, Kansas City, Missouri 64111.

The distributor is the principal underwriter of the funds’ shares. The distributor makes a continuous, best-efforts underwriting of the funds’ shares. This means the distributor has no liability for unsold shares. The advisor pays ACIS’s costs for serving as principal underwriter of the funds’ shares out of the advisor’s unified management fee. For a description of this fee and the terms of its payment, see the above discussion under the caption Investment Advisor on page 40. ACIS does not earn commissions for distributing the funds’ shares.

Certain financial intermediaries unaffiliated with the distributor or the funds may perform various administrative and shareholder services for their clients who are invested in the funds. These services may include assisting with fund purchases, redemptions and exchanges, distributing information about the funds and their performance, preparing and distributing client account statements, and other administrative and shareholder services that would otherwise be provided by the distributor or its affiliates. The distributor may pay fees out of its own resources to such financial intermediaries for the provision of these services.

Custodian Banks

JPMorgan Chase Bank, 4 Metro Tech Center, Brooklyn, New York, 11245, serves as custodian of the funds’ cash and securities. Foreign securities, if any, are held by foreign banks participating in a network coordinated by JPMorgan Chase Bank. Commerce Bank, N.A., 1000 Walnut, Kansas City, Missouri 64105, also serves as custodian of the funds’ cash to facilitate purchases and redemptions of fund shares. The custodians take no part in determining the investment policies of the funds or in deciding which securities are purchased or sold by the funds. The funds, however, may invest in certain obligations of the custodians and may purchase or sell certain securities from or to the custodians. JPMorgan Chase Bank is paid based on the monthly average of assets held in custody plus a transaction fee.

Independent Registered Public Accounting Firm

PricewaterhouseCoopers LLP serves as the independent registered public accounting firm of the funds. The address of PricewaterhouseCoopers LLP is 1100 Walnut, Suite 1300, Kansas City, Missouri 64106. As the independent registered public accounting firm of the funds, PricewaterhouseCoopers LLP provides services including

(1)	auditing the annual financial statements for each fund and
(2)	assisting and consulting in connection with SEC filings.

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Brokerage Allocation

The advisor places orders for equity portfolio transactions with broker-dealers, who receive commissions for their services.  Generally, commissions relating to securities traded on foreign exchanges will be higher than commissions relating to securities traded on U.S. exchanges.  The advisor purchases and sells fixed-income securities through principal transactions, meaning the advisor normally purchases securities on a net basis directly from the issuer or a primary market-maker acting as principal for the securities. The funds generally do not pay a stated brokerage commission on these transactions, although the purchase price for debt securities usually includes an undisclosed compensation. Purchases of securities from underwriters typically include a commission or concession paid by the issuer to the underwriter, and purchases from dealers serving as market-makers typically include a dealer’s mark-up (i.e., a spread between the bid and asked prices).

Under the management agreement between the funds and the advisor, the advisor has the responsibility of selecting brokers and dealers to execute portfolio transactions. The funds’ policy is to secure the most favorable prices and execution of orders on its portfolio transactions. The advisor selects broker-dealers on their perceived ability to obtain “best execution” in effecting transactions in its clients’ portfolios.  In selecting broker-dealers to effect portfolio transactions relating to equity securities, the advisor considers the full range and quality of a broker-dealer’s research and brokerage services, including, but not limited to, the following:

• applicable commission rates and other transaction costs charged by the broker-dealer  

• value of research provided to the advisor by the broker-dealer (including economic forecasts, fundamental and technical advice on individual securities, market analysis, and advice, either directly or through publications or writings, as to the value of securities, availability of securities or of purchasers/sellers of securities)  

• timeliness of the broker-dealer's trade executions  

• efficiency and accuracy of the broker-dealer’s clearance and settlement processes  

• broker-dealer’s ability to provide data on securities executions  

• financial condition of the broker-dealer  

• the quality of the overall brokerage and customer service provided by the broker-dealer

In transactions to buy and sell fixed-income securities, the selection of the broker- dealer is determined by the availability of the desired security and its offering price, as well as the broker-dealer’s general execution and operational and financial capabilities in the type of transaction involved. The advisor will seek to obtain prompt execution of orders at the most favorable prices or yields. The advisor does not consider the receipt of products or services other than brokerage or research services in selecting broker-dealers.

On an ongoing basis, the advisor seeks to determine what levels of commission rates are reasonable in the marketplace.  In evaluating the reasonableness of commission rates, the advisor considers:

• rates quoted by broker-dealers  

• the size of a particular transaction, in terms of the number of shares, dollar amount, and number of clients involved  

• the ability of a broker-dealer to execute large trades while minimizing market impact  

• the complexity of a particular transaction  

• the nature and character of the markets on which a particular trade takes place  

• the level and type of business done with a particular firm over a period of time  

• the ability of a broker-dealer to provide anonymity while executing trades  

• historical commission rates  

• rates that other institutional investors are paying, based on publicly available information

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The brokerage commissions paid by the funds may exceed those that another broker-dealer might have charged for effecting the same transactions, because of the value of the brokerage and research services provided by the broker-dealer. Research services furnished by broker-dealers through whom the funds effect securities transactions may be used by the advisor in servicing all of its accounts, and not all such services may be used by the advisor in managing the portfolios of the funds.

Pursuant to its internal allocation procedures, the advisor regularly evaluates the brokerage and research services provided by each broker-dealer that it uses. On a semi-annual basis, each member of the advisor’s portfolio management team rates the quality of research and brokerage services provided by each broker-dealer that provides execution services and research to the advisor for its clients’ accounts. The resulting scores are used to rank these broker-dealers on a broker research list. In the event that the advisor has determined that best execution for a particular transaction may be obtained by more than one broker-dealer, the advisor may consider the relative positions of the broker-dealer on this list in determining the party through which to execute the transaction. Actual business received by any firm may be more or less than other broker-dealers with a similar rank. Execution-only brokers are used where deemed appropriate.

In the fiscal years August 31, 2009, 2008 and 2007, the brokerage commissions, including, as applicable, futures commissions, of each fund are listed in the following table:

Fund	2009	2008	2007
California High-Yield Municipal	$4,763	$21,002	$20,187
California Long-Term Tax-Free	$5,227	$31,361	$13,111
California Tax-Free Bond	$8,015	$47,381	$14,893
California Tax-Free Money Market	$0	$0	$0

Brokerage commissions paid by a fund may vary significantly from year to year as a result of changing asset levels throughout the year, portfolio turnover, varying market conditions and other factors. The decrease in commissions paid by California High-Yield Municipal, California Long-Term Tax-Free and California Tax-Free Bond from 2008 to 2009 is due to decreased use of futures contracts. The increase in commissions paid by California High-Yield Municipal, California Long-Term Tax-Free and California Tax-Free Bond from 2007 to 2008 was due to the funds’ increased use of futures contracts.

Regular Broker-Dealers

As of fiscal year end August 31, 2009, none of the funds owned securities of its regular brokers or dealers (as defined by Rule 10b-1 under the Investment Company Act of 1940) or of their parent companies.

Information About Fund Shares

The Declaration of Trust permits the Board of Trustees to issue an unlimited number of full and fractional shares of beneficial interest without par value, which may be issued in a series (or funds). Each of the funds named on the front of this statement of additional information is a series of shares issued by the trust. In addition, each series (or fund) may be divided into separate classes. See Multiple Class Structure, which follows. Additional funds and classes may be added without a shareholder vote.

Each fund votes separately on matters affecting that fund exclusively. Voting rights are not cumulative, so that investors holding more than 50% of the trust’s (i.e., all funds’) outstanding shares may be able to elect a Board of Trustees. The trust undertakes dollar-based voting, meaning that the number of votes a shareholder is entitled to is based upon the dollar amount of the shareholder’s investment. The election of trustees is determined by the votes received from all trust shareholders without regard to whether a majority of shares of any one fund voted in favor of a particular nominee or all nominees as a group.

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Each shareholder has rights to dividends and distributions declared by the fund he or she owns and to the net assets of such fund upon its liquidation or dissolution proportionate to his or her share ownership interest in the fund. Shares of each fund have equal voting rights, although each fund votes separately on matters affecting that fund exclusively.

The trust shall continue unless terminated by (1) approval of at least two-thirds of the shares of each fund entitled to vote or (2) by the Trustees by written notice to shareholders of each fund. Any fund may be terminated by (1) approval of at least two-thirds of the shares of that fund or (2) by the Trustees by written notice to shareholders of that fund.

Upon termination of the trust or a fund, as the case may be, the trust shall pay or otherwise provide for all charges, taxes, expenses and liabilities belonging to the trust or the fund. Thereafter, the trust shall reduce the remaining assets belonging to each fund (or the particular fund) to cash, shares of other securities or any combination thereof, and distribute the proceeds belonging to each fund (or the particular fund) to the shareholders of that fund ratably according to the number of shares of that fund held by each shareholder on the termination date.

Shareholders of a Massachusetts business trust could, under certain circumstances, be held personally liable for its obligations. However, the Declaration of Trust contains an express disclaimer of shareholder liability for acts or obligations of the trust. The Declaration of Trust also provides for indemnification and reimbursement of expenses of any shareholder held personally liable for obligations of the trust. The Declaration of Trust provides that the trust will, upon request, assume the defense of any claim made against any shareholder for any act or obligation of the trust and satisfy any judgment thereon. The Declaration of Trust further provides that the trust may maintain appropriate insurance (for example, fidelity, bonding, and errors and omissions insurance) for the protection of the trust, its shareholders, trustees, officers, employees and agents to cover possible tort and other liabilities. Thus, the risk of a shareholder incurring financial loss as a result of shareholder liability is limited to circumstances in which both inadequate insurance exists and the trust is unable to meet its obligations.

The assets belonging to each series are held separately by the custodian and the shares of each series represent a beneficial interest in the principal, earnings and profit (or losses) of investments and other assets held for each series. Your rights as a shareholder are the same for all series of securities unless otherwise stated. Within their respective fund or class, all shares have equal redemption rights. Each share, when issued, is fully paid and non-assessable.

Multiple Class Structure

The Board of Trustees has adopted a multiple class plan pursuant to Rule 18f-3 adopted by the SEC. The plan is described in the prospectus of any fund that offers more than one class. Pursuant to such plan, the funds may issue up to five classes of shares: Investor Class, Institutional Class, A Class, B Class and C Class. Not all funds offer all five classes.

The Investor Class is made available to investors directly from American Century Investments and/or through some financial intermediaries. Investor Class shares charge a single unified management fee, without any load or commission payable to American Century Investments. Additional information regarding eligibility for Investor Class shares may be found in the funds’ prospectuses. The Institutional Class is made available to institutional shareholders or through financial intermediaries whose clients do not require the same level of shareholder and administrative services from the advisor as Investor Class shareholders. As a result, the advisor is able to charge this class a lower total management fee. The A and C Classes are made available through financial intermediaries, for purchase by individual investors who receive advisory and personal services from the intermediary. The fund’s B Class shares are not available for purchase, except through dividend reinvestment or exchanges from B Class shares of other American Century funds. The unified management fee for the A, B and C Classes is the same as for Investor Class, but the A, B and C Class shares each are subject to a separate Master Distribution and Individual Shareholder Services Plan (the A Class Plan, B Class Plan and C Class Plan, respectively, and collectively, the plans) described below. The plans have been adopted by the funds’ Board of Trustees in accordance with Rule 12b-1 adopted by the SEC under the Investment Company Act.

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Rule 12b-1

Rule 12b-1 permits an investment company to pay expenses associated with the distribution of its shares in accordance with a plan adopted by its Board of Trustees and approved by its shareholders. Pursuant to such rule, the Board of Trustees of the funds’ A, B and C Classes have approved and entered into the A Class Plan, B Class Plan and C Class Plan, respectively. The plans are described below.

In adopting the plans, the Board of Trustees (including a majority of trustees who are not interested persons of the funds [as defined in the Investment Company Act], hereafter referred to as the independent trustees) determined that there was a reasonable likelihood that the plans would benefit the funds and the shareholders of the affected class. Some of the anticipated benefits include improved name recognition of the funds generally; and growing assets in existing funds, which helps retain and attract investment management talent, provides a better environment for improving fund performance, and can lower the total expense ratio for funds with stepped-fee schedules. Pursuant to Rule 12b-1, information about revenues and expenses under the plans is presented to the Board of Trustees quarterly. Continuance of the plans must be approved by the Board of Trustees, including a majority of the independent trustees, annually. The plans may be amended by a vote of the Board of Trustees, including a majority of the independent trustees, except that the plans may not be amended to materially increase the amount to be spent for distribution without majority approval of the shareholders of the affected class. The plans terminate automatically in the event of an assignment and may be terminated upon a vote of a majority of the independent trustees or by vote of a majority of the outstanding voting securities of the affected class.

All fees paid under the plans will be made in accordance with Section 2830 of the Conduct Rules of the Financial Industry Regulatory Authority (FINRA).

The Share Class Plans

As described in the prospectuses, the A, B and C Class shares of the funds are made available to persons purchasing through broker-dealers, banks, insurance companies and other financial intermediaries that provide various administrative, shareholder and distribution services. The funds’ distributor enters into contracts with various banks, broker-dealers, insurance companies and other financial intermediaries, with respect to the sale of the funds’ shares and/or the use of the funds’ shares in various investment products or in connection with various financial services.

Certain recordkeeping and administrative services that would otherwise be performed by the funds’ transfer agent may be performed by a plan sponsor (or its agents) or by a financial intermediary for A, B and C Class investors. In addition to such services, the financial intermediaries provide various individual shareholder and distribution services.

To enable the funds’ shares to be made available through such plans and financial intermediaries, and to compensate them for such services, the funds’ Board of Trustees has adopted the A, B and C Class Plans. Pursuant to the plans, the following fees are paid and described further below.

A Class

The A Class pays the funds’ distributor 0.25% annually of the average daily net asset value of the A Class shares. The distributor may use these fees to pay for certain ongoing shareholder and administrative services and for distribution services, including past distribution services. This payment is fixed at 0.25% and is not based on expenses incurred by the distributor.

B and C Class

The B and C Classes pay the funds’ distributor 1.00% annually of the average daily net asset value of the funds’ B and C Class shares, 0.25% of which is paid for certain ongoing individual shareholder and administrative services and 0.75% of which is paid for distribution services, including past distribution services. This payment is fixed at 1.00% and is not based on expenses incurred by the distributor.

During the fiscal year ended August 31, 2009, the aggregate amount of fees paid under each class plan was:

	A Class	B Class	C Class
California High-Yield Municipal	$260,105	$9,615	$318,021
California Long-Term Tax-Free	$17,782	$244	$33,926

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Because the A and C Classes of California Tax-Free Bond were not in operation as of the fiscal year end, they are not included. The distributor then makes these payments to the financial intermediaries (including underwriters and broker-dealers, who may use some of the proceeds to compensate sales personnel) who offer the A, B or C Class shares for the services described below. No portion of these payments is used by the distributor to pay for advertising, printing costs or interest expenses.

Payments may be made for a variety of individual shareholder services, including, but not limited to:

(a)	providing individualized and customized investment advisory services, including the consideration of shareholder profiles and specific goals;
(b)	creating investment models and asset allocation models for use by shareholders in selecting appropriate funds;
(c)	conducting proprietary research about investment choices and the market in general;
(d)	periodic rebalancing of shareholder accounts to ensure compliance with the selected asset allocation;
(e)	consolidating shareholder accounts in one place; and
(f)	other individual services.

Individual shareholder services do not include those activities and expenses that are primarily intended to result in the sale of additional shares of the funds.

Distribution services include any activity undertaken or expense incurred that is primarily intended to result in the sale of A, B or C Class shares, which services may include but are not limited to:

(a)	paying sales commissions, on-going commissions and other payments to brokers, dealers, financial institutions or others who sell A, B or C Class shares pursuant to selling agreements;
(b)	compensating registered representatives or other employees of the distributor who engage in or support distribution of the funds’ A, B or C Class shares;
(c)	compensating and paying expenses (including overhead and telephone expenses) of the distributor;
(d)	printing prospectuses, statements of additional information and reports for other-than-existing shareholders;
(e)	preparing, printing and distributing sales literature and advertising materials provided to the funds’ shareholders and prospective shareholders;
(f)	receiving and answering correspondence from prospective shareholders, including distributing prospectuses, statements of additional information, and shareholder reports;
(g)	providing facilities to answer questions from prospective shareholders about fund shares;
(h)	complying with federal and state securities laws pertaining to the sale of fund shares;
(i)	assisting shareholders in completing application forms and selecting dividend and other account options;
(j)	providing other reasonable assistance in connection with the distribution of fund shares;
(k)	organizing and conducting sales seminars and payments in the form of transactional and compensation or promotional incentives;
(l)	profit on the foregoing;
(m)	paying service fees for providing personal, continuing services to investors, as contemplated by the Conduct Rules of the FINRA; and
(n)	such other distribution and services activities as the advisor determines may be paid for by the funds pursuant to the terms of the agreement between the trust and the funds’ distributor and in accordance with Rule 12b-1 of the Investment Company Act.

Sales Charges

The sales charges applicable to the A, B and C Classes of the funds are described in the prospectuses for those classes in the section titled Investing Through a Financial Intermediary. Shares of the A Class are subject to an initial sales charge, which declines as the amount of the purchase increases. Additional information regarding reductions and waivers of the A Class sales charge may be found in the funds’ prospectuses.

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Shares of the A, B and C Classes are subject to a contingent deferred sales charge (CDSC) upon redemption of the shares in certain circumstances. The specific charges and when they apply are described in the relevant prospectuses. The CDSC may be waived for certain redemptions by some shareholders, as described in the prospectuses.

An investor may terminate his relationship with an intermediary at any time. If the investor does not establish a relationship with a new intermediary and transfer any accounts to that new intermediary, such accounts may be exchanged to the Investor Class of the fund, if such class is available. The investor will be the shareholder of record of such accounts. In this situation, any applicable CDSCs will be charged when the exchange is made.

The aggregate CDSCs paid to the distributor in the fiscal year ended August 31, 2009, were:

California High-Yield Municipal
A Class	$17,419
B Class	$3,206
C Class	$11,945
California Long-Term Tax-Free
A Class	$300
B Class	$0
C Class	$1,303

Payments to Dealers

The funds’ distributor expects to pay sales commissions to the financial intermediaries who sell A and/or C Class shares of the funds at the time of such sales. Payments for A Class shares will be as follows:

Purchase Amount	Dealer Commission as a % of Offering Price
< $99,999	4.00%
$100,000 - $249,999	3.00%
$250,000 - $499,999	2.00%
$500,000 - $999,999	1.75%
$1,000,000 - $3,999,999	1.00%
$4,000,000 - $9,999,999	0.50%
> $10,000,000	0.25%

No dealer commission will be paid on purchases by employer-sponsored retirement plans. For this purpose, employer-sponsored retirement plans do not include SEP IRAs, SIMPLE IRAs or SARSEPs. Payments will equal 1.00% of the purchase price of the C Class shares sold by the financial intermediary. The distributor will retain the 12b-1 fee paid by the C Class of funds for the first 13 months after the shares are purchased. This fee is intended in part to permit the distributor to recoup a portion of on-going sales commissions to dealers plus financing costs, if any. Beginning with the first day of the 13th month, the distributor will make the C Class distribution and individual shareholder services fee payments described above to the financial intermediaries involved on a quarterly basis. In addition, B and C Class purchases and A Class purchases greater than $1,000,000 are subject to a CDSC as described in the prospectuses.

From time to time, the distributor may provide additional payments to dealers, including but not limited to payment assistance for conferences and seminars, provision of sales or training programs for dealer employees and/or the public (including, in some cases, payment for travel expenses for registered representatives and other dealer employees who participate), advertising and sales campaigns about a fund or funds, and assistance in financing dealer-sponsored events. Other payments may be offered as well, and all such payments will be consistent with applicable law, including the then-current rules of the Financial Industry Regulatory Authority. Such payments will not change the price paid by investors for shares of the funds.

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Buying and Selling Fund Shares

Information about buying, selling, exchanging and, if applicable, converting fund shares is contained in the funds’ prospectuses. The prospectuses are available to investors without charge and may be obtained by calling us.

Examples of employer-sponsored retirement plans include the following:

• 401(a) plans

• pension plans

• profit sharing plans

• 401(k) plans

• money purchase plans

• target benefit plans

• Taft-Hartley multi-employer pension plans

• SERP and “Top Hat” plans

• ERISA trusts

• employee benefit plans and trusts

• employer-sponsored health plans

• 457 plans

• KEOGH or HR(10) plans

• employer-sponsored 403(b) plans (including self-directed)

• nonqualified deferred compensation plans

• nonqualified excess benefit plans

• nonqualified retirement plans

• SIMPLE IRAs

• SEP IRAs

• SARSEP

Traditional and Roth IRAs are not considered employer-sponsored retirement plans. The following table indicates the types of shares that may be purchased through employer-sponsored retirement plans, Business IRAs, Traditional IRAs and Roth IRAs. These funds are not available for employer-sponsored retirement plans and generally are inappropriate for tax-deferred accounts such as IRAs or 403(b) custodial accounts.

	Employer-Sponsored Retirement Plans, excluding Business IRAs	Business IRAs	Traditional and Roth IRAs
A Class Shares may be purchased at NAV(1)	Yes	No(2)	No
A Class shares may be purchased with dealer concessions and sales charge	No	Yes	Yes
C Class shares may be purchased with dealer concessions and CDSC(3)	No	Yes	Yes
C Class shares may be purchased with no dealer concessions and CDSC(1) (3)	Yes	No	No
Institutional Class shares may be purchased	Yes	Yes	Yes
Investor Class shares may be purchased	Yes	Yes	Yes
Advisor Class shares may be purchased	Yes	Yes	Yes
R Class shares may be purchased	Yes	No(2)	No(4)

1 Refer to the prospectus regarding sales charges and CDSC waivers.

2 Established Business IRA plan accounts that had investments in such plans prior to March 1, 2009 that received sales charge waivers or held an Advisor Class fund that was renamed A Class on March 1, 2010, may permit additional purchases by new and existing participants without an initial sales charge.

3 Refer to the prospectus for maximum purchase requirements.

4 Accounts established prior to August 1, 2006 may make additional purchases.

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Valuation of a Fund’s Securities

All classes of the funds except the A Class are offered at their net asset value, as described below. The A Class shares of the funds are offered at their public offering price, which is the net asset value plus the appropriate sales charge. This calculation may be expressed as a formula:

Offering Price = Net Asset Value/(1 – Sales Charge as a % of Offering Price)

For example, if the net asset value of a fund’s A Class shares is $5.00, the public offering price would be $5.00/(1-4.50%)=$5.24.

Each fund’s net asset value per share (NAV) is calculated as of the close of regular trading on the New York Stock Exchange (NYSE) on each day the NYSE is open. The NYSE usually closes at 4 p.m. Eastern time. The NYSE typically observes the following holidays: New Year’s Day, Martin Luther King Jr. Day, Presidents’ Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day. Although the funds expect the same holidays to be observed in the future, the NYSE may modify its holiday schedule at any time.

A fund’s NAV is the current value of a fund’s assets, minus any liabilities, divided by the number of shares outstanding. Expenses and interest earned on portfolio securities are accrued daily.

Money Market Fund

The money market fund operates pursuant to Investment Company Act Rule 2a-7, which permits valuation of portfolio securities on the basis of amortized cost. This method involves valuing an instrument at its cost and thereafter assuming a constant amortization to maturity of any discount or premium paid at the time of purchase. Although this method provides certainty in valuation, it generally disregards the effect of fluctuating interest rates on an instrument’s market value. Consequently, the instrument’s amortized cost value may be higher or lower than its market value, and this discrepancy may be reflected in the fund’s yields. During periods of declining interest rates, for example, the daily yield on fund shares computed as described above may be higher than that of a fund with identical investments priced at market value. The converse would apply in a period of rising interest rates.

As required by Rule 2a-7, the Board of Trustees has adopted procedures designed to stabilize, to the extent reasonably possible, a money market fund’s price per share as computed for the purposes of sales and redemptions at $1.00. While the day-to-day operation of the money market fund has been delegated to the portfolio managers, the quality requirements established by the procedures limit investments to certain instruments that the Board of Trustees has determined present minimal credit risks and that have been rated in one of the two highest rating categories as determined by a rating agency or, in the case of unrated securities, of comparable quality. The procedures require review of the money market fund’s portfolio holdings at such intervals as are reasonable in light of current market conditions to determine whether the money market fund’s net asset value calculated by using available market quotations deviates from the per-share value based on amortized cost. The procedures also prescribe the action to be taken by the advisor if such deviation should exceed 0.25%.

Actions the advisor and the Board of Trustees may consider under these circumstances include (i) selling portfolio securities prior to maturity, (ii) withholding dividends or distributions from capital, (iii) authorizing a one-time dividend adjustment, (iv) discounting share purchases and initiating redemptions in kind, or (v) valuing portfolio securities at market price for purposes of calculating NAV.

Non-Money Market Funds

Securities held by the non-money market funds normally are priced by an independent pricing service, provided that such prices are believed by the advisor to reflect the fair market value of portfolio securities. Information about how the fair market value of a security is determined is contained in the funds’ prospectuses.

Because there are hundreds of thousands of municipal issues outstanding, and the majority of them do not trade daily, the prices provided by pricing services are generally determined without regard to bid or last sale prices. In valuing securities, the pricing services generally take into account institutional trading activity, trading in similar groups of securities, and any developments related to specific securities. The methods used by the pricing service and the valuations so established are reviewed by the advisor under the general supervision of the Board of Trustees. There are a number of pricing services available, and the advisor, on the basis of ongoing evaluation of these services, may use other pricing services or discontinue the use of any pricing service in whole or in part.

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Securities not priced by a pricing service are valued at the mean between the most recently quoted bid and asked prices provided by broker-dealers. The municipal bond market is typically a “dealer market”; that is, dealers buy and sell bonds for their own accounts rather than for customers. As a result, the spread, or difference, between bid and asked prices for certain municipal bonds may differ substantially among dealers.

Debt securities maturing within 60 days of the valuation date may be valued at cost, plus or minus any amortized discount or premium, unless the trustees determine that this would not result in fair valuation of a given security. Other assets and securities for which quotations are not readily available are valued in good faith using methods approved by the Board of Trustees.

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Taxes

Federal Income Tax

Each fund intends to qualify annually as a regulated investment company under Subchapter M of the Internal Revenue Code of 1986, as amended (the Code). By so qualifying, each fund should be exempt from federal and state income taxes to the extent that it distributes substantially all of its net investment income and net realized capital gains (if any) to investors. If a fund fails to qualify as a regulated investment company, it will be liable for taxes, significantly reducing its distributions to investors and eliminating investors’ ability to treat distributions received from the fund in the same manner in which they were realized by the fund.

To qualify as a regulated investment company, a fund must meet certain requirements of the Code, which relate to sources of its income and diversification of its assets. A fund is also required to distribute 90% of its investment company taxable income and its net tax-exempt income, if any, each year. Additionally, a fund must declare dividends by December 31 of each year equal to at least 98% of ordinary income (as of December 31) and capital gains (as of October 31) to avoid the nondeductible 4% federal excise tax on any undistributed amounts.

Certain bonds purchased by the funds may be treated as bonds that were originally issued at a discount. Original issue discount represents interest for federal income tax purposes and can generally be defined as the difference between the price at which a security was issued and its stated redemption price at maturity. Original issue discount, although no cash is actually received by a fund until the maturity of the bond, is treated for federal income tax purposes as income earned by a fund over the term of the bond, and therefore is subject to the distribution requirements of the Code. The annual amount of income earned on such a bond by a fund generally is determined on the basis of a constant yield to maturity that takes into account the semiannual compounding of accrued interest. Original issue discount on an obligation with interest exempt from federal income tax will constitute tax-exempt interest income to the fund.

In addition, some of the bonds may be purchased by a fund at a discount that exceeds the original issue discount on such bonds, if any. This additional discount represents market discount for federal income tax purposes. The gain realized on the disposition of any bond having market discount generally will be treated as taxable ordinary income to the extent it does not exceed the accrued market discount on such bond (unless a fund elects to include market discount in income in tax years to which it is attributable). Market discount is calculated on a straight line basis over the time remaining to the bond’s maturity. In the case of any debt security having a fixed maturity date of not more than one year from date of issue, the gain realized on disposition generally will be treated as a short-term capital gain.

If fund shares are purchased through taxable accounts, distributions of net investment income (if not considered exempt from California and federal taxes) and net short-term capital gains are taxable to you as ordinary income.

As of August 31, 2009, the funds in the table below had the following capital loss carryover, which expire in the years and amounts listed. When a fund has a capital loss carryover, it does not make capital gains distributions until the loss has been offset or expired.

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Capital Loss Carryover
Fund	2011	2013	2014	2015	2016	2017
California High-Yield Municipal	—	—	—	($1,856,960)	($59,453)	($11,784,441)
California Long-Term Tax-Free	—	—	—	—	—	—
California Tax-Free Bond	($905,757)	($405,593)	($322,273)	($551,134)	($275,673)	($2,844,597)
California Tax-Free Money Market	—	—	—	—	—	—

Interest on certain types of industrial development bonds (small issues and obligations issued to finance certain exempt facilities that may be leased to or used by persons other than the issuer) is not exempt from federal income tax when received by “substantial users” or persons related to substantial users as defined in the Code. The term “substantial user” includes any “non-exempt person” who regularly uses in trade or business part of a facility financed from the proceeds of industrial development bonds. The funds may invest periodically in industrial development bonds and, therefore, may not be appropriate investments for entities that are substantial users of facilities financed by industrial development bonds or “related persons” of substantial users. Generally, an individual will not be a related person of a substantial user under the Code unless he or his immediate family (spouse, brothers, sisters, ancestors and lineal descendants) owns directly or indirectly in aggregate more than 50% of the equity value of the substantial user.

Under the Code, any distribution of a fund’s net realized long-term capital gains that is designated by the fund as a capital gains dividend is taxable to you as long-term capital gains, regardless of the length of time you have held your shares in the fund. If you purchase shares in the fund and sell them at a loss within six months, your loss on the sale of those shares will be treated as a long-term capital loss to the extent of any long-term capital gains dividend you received on those shares. Any such loss will be disallowed to the extent of any tax-exempt dividend income you received on those shares. In addition, although highly unlikely, the Internal Revenue Service may determine that a bond issued as tax-exempt should in fact be taxable. If a fund were to hold such a bond, it might have to distribute taxable income or reclassify as taxable income previously distributed as tax-exempt.

If you have not complied with certain provisions of the Internal Revenue Code and Regulations, either American Century Investments or your financial intermediary is required by federal law to withhold and remit the applicable federal withholding rate of reportable payments (which may include taxable dividends, capital gains distributions and redemption proceeds) to the IRS. Those regulations require you to certify that the Social Security number or tax identification number you provide is correct and that you are not subject to withholding for previous under-reporting to the IRS. You will be asked to make the appropriate certification on your account application. Payments reported by us to the IRS that omit your Social Security number or tax identification number will subject us to a non-refundable penalty of $50, which will be charged against your account if you fail to provide the certification by the time the report is filed.

A redemption of shares of a fund (including a redemption made in an exchange transaction) will be a taxable transaction for federal income tax purposes and you generally will recognize gain or loss in an amount equal to the difference between the basis of the shares and the amount received. If a loss is realized on the redemption of fund shares, the reinvestment in additional fund shares within 30 days before or after the redemption may be subject to the “wash sale” rules of the Code, resulting in a postponement of the recognition of such loss for federal income tax purposes.

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Alternative Minimum Tax

While the interest on bonds issued to finance essential state and local government operations is generally exempt from regular federal income tax, interest on certain “private activity” bonds issued after August 7, 1986, while exempt from regular federal income tax, constitutes a tax-preference item for taxpayers in determining alternative minimum tax liability under the Code and income tax provisions of several states.

California High-Yield Municipal may invest in private activity bonds. The interest on private activity bonds could subject a shareholder to, or increase liability under, the federal alternative minimum tax, depending on the shareholder’s tax situation. The interest on California private activity bonds is not subject to the California alternative minimum tax when it is earned (either directly or through investment in a mutual fund) by a California taxpayer. However, if the fund were to invest in private activity securities of non-California issuers (due to a limited supply of appropriate California municipal obligations, for example), the interest on those securities would be included in California alternative minimum taxable income.

All distributions derived from interest exempt from regular federal income tax may subject corporate shareholders to, or increase their liability under, the alternative minimum tax because these distributions are included in the corporation’s “adjusted current earnings.”

In addition, a deductible environmental tax of 0.12% is imposed on a corporation’s modified alternative minimum taxable income in excess of $2 million. The environmental tax will be imposed even if the corporation is not required to pay an alternative minimum tax. To the extent that exempt-interest dividends paid by a fund are included in alternative minimum taxable income, corporate shareholders may be subject to the environmental tax.

The trust will inform California High-Yield Municipal fund shareholders annually of the amount of distributions derived from interest payments on private activity bonds.

State and Local Taxes

California law concerning the payment of exempt-interest dividends is similar to federal law. Assuming each fund qualifies to pay exempt-interest dividends under federal and California law, and to the extent that dividends are derived from interest on tax-exempt bonds of California state or local governments, such dividends also will be exempt from California personal income tax. The trust will inform shareholders annually as to the amount of distributions from each fund that constitutes exempt-interest dividends and dividends exempt from California personal income tax. The funds’ dividends are not exempt from California state franchise or corporate income taxes.

The funds’ dividends may not qualify for exemption under income or other tax laws of state or local taxing authorities outside California. Shareholders should consult their tax advisors or state or local tax authorities about the status of distributions from the funds in this regard.

The information above is only a summary of some of the tax considerations affecting the funds and their shareholders. No attempt has been made to discuss individual tax consequences. A prospective investor should consult with his or her tax advisors or state or local tax authorities to determine whether the funds are suitable investments.

Financial Statements

The financial statements for the fiscal years ended August 31 have been audited by PricewaterhouseCoopers LLP, independent registered public accounting firm. Their Report of Independent Registered Public Accounting Firm and the financial statements included in the funds’ annual reports for the fiscal year ended August 31, 2009, are incorporated herein by reference.

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Explanation of Fixed-Income Securities Ratings

As described in the prospectuses, the funds will invest in fixed-income securities. Those investments, however, are subject to certain credit quality restrictions, as noted in the prospectuses. The following is a summary of the rating categories referenced in the prospectus disclosure.

Ratings of Corporate and Municipal Debt Securities
Standard & Poor’s
AAA	This is the highest rating assigned by S&P to a debt obligation. It indicates an extremely strong capacity to pay interest and repay principal.
AA	Debt rated in this category is considered to have a very strong capacity to pay interest and repay principal. It differs from the highest-rated obligations only in small degree.
A	Debt rated A has a strong capacity to pay interest and repay principal, although it is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than debt in higher-rated categories.
BBB	Debt rated in this category is regarded as having an adequate capacity to pay interest and repay principal. While it normally exhibits adequate protection parameters, adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity to pay interest and repay principal for debt in this category than in higher-rated categories. Debt rated below BBB is regarded as having significant speculative characteristics.
BB	Debt rated in this category has less near-term vulnerability to default than other speculative issues. However, it faces major ongoing uncertainties or exposure to adverse business, financial, or economic conditions that could lead to inadequate capacity to meet timely interest and principal payments. The BB rating also is used for debt subordinated to senior debt that is assigned an actual or implied BBB rating.
B	Debt rated in this category is more vulnerable to nonpayment than obligations rated BB, but currently has the capacity to pay interest and repay principal. Adverse business, financial, or economic conditions will likely impair the obligor’s capacity or willingness to pay interest and repay principal.
CCC	Debt rated in this category is currently vulnerable to nonpayment and is dependent upon favorable business, financial, and economic conditions to meet timely payment of interest and repayment of principal. In the event of adverse business, financial, or economic conditions, it is not likely to have the capacity to pay interest and repay principal. The CCC rating category is also used for debt subordinated to senior debt that is assigned an actual or implied B or B- rating.
CC	Debt rated in this category is currently highly vulnerable to nonpayment. This rating category is also applied to debt subordinated to senior debt that is assigned an actual or implied CCC rating.
C	The rating C typically is applied to debt subordinated to senior debt, and is currently highly vulnerable to nonpayment of interest and principal. This rating may be used to cover a situation where a bankruptcy petition has been filed or similar action taken, but debt service payments are being continued.
D	Debt rated in this category is in default. This rating is used when interest payments or principal repayments are not made on the date due even if the applicable grace period has not expired, unless S&P believes that such payments will be made during such grace period. It also will be used upon the filing of a bankruptcy petition or the taking of a similar action if debt service payments are jeopardized.

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Moody’s Investors Service, Inc.
Aaa	This is the highest rating assigned by Moody’s to a debt obligation. It indicates an extremely strong capacity to pay interest and repay principal.
Aa	Debt rated in this category is considered to have a very strong capacity to pay interest and repay principal and differs from Aaa issues only in a small degree. Together with Aaa debt, it comprises what are generally known as high-grade bonds.
A	Debt rated in this category possesses many favorable investment attributes and is to be considered as upper-medium-grade debt. Although capacity to pay interest and repay principal are considered adequate, it is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than debt in higher-rated categories.
Baa	Debt rated in this category is considered as medium-grade debt having an adequate capacity to pay interest and repay principal. While it normally exhibits adequate protection parameters, adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity to pay interest and repay principal for debt in this category than in higher-rated categories. Debt rated below Baa is regarded as having significant speculative characteristics.
Ba	Debt rated Ba has less near-term vulnerability to default than other speculative issues. However, it faces major ongoing uncertainties or exposure to adverse business, financial or economic conditions that could lead to inadequate capacity to meet timely interest and principal payments. Often the protection of interest and principal payments may be very moderate.
B	Debt rated B has a greater vulnerability to default, but currently has the capacity to meet financial commitments. Assurance of interest and principal payments or of maintenance of other terms of the contract over any long period of time may be small. The B rating category is also used for debt subordinated to senior debt that is assigned an actual or implied Ba or Ba3 rating.
Caa	Debt rated Caa is of poor standing, has a currently identifiable vulnerability to default, and is dependent upon favorable business, financial and economic conditions to meet timely payment of interest and repayment of principal. In the event of adverse business, financial or economic conditions, it is not likely to have the capacity to pay interest and repay principal. Such issues may be in default or there may be present elements of danger with respect to principal or interest. The Caa rating is also used for debt subordinated to senior debt that is assigned an actual or implied B or B3 rating.
Ca	Debt rated in this category represent obligations that are speculative in a high degree. Such debt is often in default or has other marked shortcomings.
C	This is the lowest rating assigned by Moody’s, and debt rated C can be regarded as having extremely poor prospects of attaining investment standing.

Fitch Investors Service, Inc.
AAA	Debt rated in this category has the lowest expectation of credit risk. Capacity for timely payment of financial commitments is exceptionally strong and highly unlikely to be adversely affected by foreseeable events.
AA	Debt rated in this category has a very low expectation of credit risk. Capacity for timely payment of financial commitments is very strong and not significantly vulnerable to foreseeable events.
A	Debt rated in this category has a low expectation of credit risk. Capacity for timely payment of financial commitments is strong, but may be more vulnerable to changes in circumstances or in economic conditions than debt rated in higher categories.

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Fitch Investors Service, Inc.
BBB	Debt rated in this category currently has a low expectation of credit risk and an adequate capacity for timely payment of financial commitments. However, adverse changes in circumstances and in economic conditions are more likely to impair this capacity. This is the lowest investment grade category.
BB	Debt rated in this category has a possibility of developing credit risk, particularly as the result of adverse economic change over time. However, business or financial alternatives may be available to allow financial commitments to be met. Securities rated in this category are not investment grade.
B	Debt rated in this category has significant credit risk, but a limited margin of safety remains. Financial commitments currently are being met, but capacity for continued debt service payments is contingent upon a sustained, favorable business and economic environment.
CCC, CC, C	Debt rated in these categories has a real possibility for default. Capacity for meeting financial commitments depends solely upon sustained, favorable business or economic developments. A CC rating indicates that default of some kind appears probable; a C rating signals imminent default.
DDD, DD, D	The ratings of obligations in these categories are based on their prospects for achieving partial or full recovery in a reorganization or liquidation of the obligor. While expected recovery values are highly speculative and cannot be estimated with any precision, the following serve as general guidelines. DDD obligations have the highest potential for recovery, around 90%-100% of outstanding amounts and accrued interest. DD indicates potential recoveries in the range of 50%-90% and D the lowest recovery potential, i.e., below 50%. Entities rated in these categories have defaulted on some or all of their obligations. Entities rated DDD have the highest prospect for resumption of performance or continued operation with or without a formal reorganization process. Entities rated DD and D are generally undergoing a formal reorganization or liquidation process; those rated DD are likely to satisfy a higher portion of their outstanding obligations, while entities rated D have a poor prospect of repaying all obligations.

To provide more detailed indications of credit quality, the Standard & Poor’s ratings from AA to CCC may be modified by the addition of a plus or minus sign to show relative standing within these major rating categories. Similarly, Moody’s adds numerical modifiers (1, 2, 3) to designate relative standing within its major bond rating categories. Fitch also rates bonds and uses a ratings system that is substantially similar to that used by Standard & Poor’s.

Commercial Paper Ratings
S&P	Moody’s	Description
A-1	Prime-1 (P-1)	This indicates that the degree of safety regarding timely payment is strong. Standard & Poor’s rates those issues determined to possess extremely strong safety characteristics as A-1+.
A-2	Prime-2 (P-2)	Capacity for timely payment on commercial paper is satisfactory, but the relative degree of safety is not as high as for issues designated A-1. Earnings trends and coverage ratios, while sound, will be more subject to variation. Capitalization characteristics, while still appropriated, may be more affected by external conditions. Ample alternate liquidity is maintained.
A-3	Prime-3 (P-3)	Satisfactory capacity for timely repayment. Issues that carry this rating are somewhat more vulnerable to the adverse changes in circumstances than obligations carrying the higher designations.

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Municipal Note and Variable Rate Security Ratings
S&P	Moody’s	Description
SP-1	MIG-1; VMIG-1	Notes are of the highest quality enjoying strong protection from established cash flows of funds for their servicing or from established and broad-based access to the market for refinancing, or both.
SP-2	MIG-2; VMIG-2	Notes are of high quality with margins of protection ample, although not so large as in the preceding group.
SP-3	MIG-3; VMIG-3	Notes are of favorable quality with all security elements accounted for, but lacking the undeniable strength of the preceding grades. Market access for refinancing, in particular, is likely to be less well-established.
SP-4	MIG-4; VMIG-4	Notes are of adequate quality, carrying specific risk but having protection and not distinctly or predominantly speculative.

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Notes

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Where to Find More Information

Annual and Semiannual Reports

Annual and semiannual reports contain more information about the funds’ investments and the market conditions and investment strategies that significantly affected the funds’ performance during the most recent fiscal period.

You may obtain a free copy of the SAI, annual and semiannual reports, and ask questions about the funds or your accounts, online at americancentury.com, by contacting American Century Investments at the addresses or telephone numbers listed below or by contacting your financial intermediary.

If you own or are considering purchasing fund shares through

• a bank or trust company  

• a broker-dealer  

• an insurance company  

• another financial intermediary

you can receive the annual and semiannual reports directly from them.

The SEC

You also can get information about the funds from the Securities and Exchange Commission (SEC).

In person	SEC Public Reference Room Washington, D.C. Call 202-551-8090 for location and hours.
On the Internet	• EDGAR database at sec.gov • By email request at publicinfo@sec.gov
By mail	SEC Public Reference Section Washington, D.C. 20549-1520

(Investment Company Act File No. 811-3706)

American Century Investments americancentury.com
Retail Investors P.O. Box 419200 Kansas City, Missouri 64141-6200 1-800-345-2021 or 816-531-5575	Financial Professionals P.O. Box 419786 Kansas City, Missouri 64141-6786 1-800-345-6488

CL-SAI-67439   1003