<DOCUMENT>
<TYPE>EX-99.17(J)
<SEQUENCE>14
<FILENAME>c50116l.txt
<TEXT>
<PAGE>
Semiannual Report
(RIVERSOURCE INVESTMENTS LOGO)
RIVERSOURCE
HIGH YIELD BOND FUND
SEMIANNUAL REPORT FOR
THE PERIOD ENDED
NOVEMBER 30, 2008
RIVERSOURCE HIGH YIELD BOND FUND SEEKS TO PROVIDE
SHAREHOLDERS WITH HIGH CURRENT INCOME AS ITS PRIMARY
OBJECTIVE AND, AS ITS SECONDARY OBJECTIVE, CAPITAL
GROWTH.
(SINGLE STRATEGY FUNDS ICON)
<PAGE>
TABLE OF CONTENTS --------------------------------------------------------------
<Table>
<S> <C>
Your Fund at a Glance.............. 3
Manager Commentary................. 7
Fund Expenses Example.............. 14
Portfolio of Investments........... 17
Statement of Assets and
Liabilities...................... 29
Statement of Operations............ 31
Statements of Changes in Net
Assets........................... 33
Financial Highlights............... 35
Notes to Financial Statements...... 44
Proxy Voting....................... 60
</Table>
(DALBAR LOGO)
The RiverSource mutual fund shareholder reports have
been awarded the Communications Seal from Dalbar Inc.,
an independent financial services research firm. The
Seal recognizes communications demonstrating a level
of excellence in the industry.
--------------------------------------------------------------------------------
2 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
YOUR FUND AT A GLANCE ----------------------------------------------------------
(UNAUDITED)
FUND SUMMARY
--------------------------------------------------------------------------------
> RiverSource High Yield Bond Fund (the Fund) Class A shares declined 26.68%
(excluding sales charge) for the six months ended Nov. 30, 2008.
> The Fund outperformed its benchmark, the JP Morgan Global High Yield Index,
which fell 31.31%.
> The Fund also outperformed the Lipper High Current Yield Bond Funds Index,
representing the Fund's peer group, which declined 31.70% during the same time
frame.
ANNUALIZED TOTAL RETURNS (for period ended Nov. 30, 2008)
--------------------------------------------------------------------------------
<Table>
<Caption>
6 months* 1 year 3 years 5 years 10 years
------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C>
RiverSource High Yield
Bond Fund Class A
(excluding sales
charge) -26.68% -25.75% -5.45% +0.01% +1.27%
------------------------------------------------------------------------
JP Morgan Global High
Yield Index
(unmanaged)(1) -31.31% -30.23% -6.98% -1.22% +2.02%
------------------------------------------------------------------------
Lipper High Current
Yield Bond Funds
Index(2) -31.70% -31.20% -7.93% -2.07% +0.11%
------------------------------------------------------------------------
</Table>
* Not annualized.
The performance information shown represents past performance and is not a
guarantee of future results. The investment return and principal value of your
investment will fluctuate so that your shares, when redeemed, may be worth more
or less than their original cost. Current performance may be lower or higher
than the performance information shown. You may obtain performance information
current to the most recent month-end by contacting your financial institution or
visiting riversource.com/funds.
The 4.75% sales charge applicable to Class A shares of the Fund is not reflected
in the table above. If reflected, returns would be lower than those shown. The
performance of other classes may vary from that shown because of differences in
expenses. See the Average Annual Total Returns table for performance of other
share classes of the Fund.
The indices do not reflect the effects of sales charges, expenses (excluding
Lipper) and taxes. It is not possible to invest directly in an index.
(1) The JP Morgan Global High Yield Index is an unmanaged index used to mirror
the investable universe of the U.S. dollar global high yield corporate debt
market of both developed and emerging markets. The index reflects
reinvestment of all distributions and changes in market prices.
(2) The Lipper High Current Yield Bond Funds Index includes the 30 largest high
yield bond funds tracked by Lipper Inc. The index's returns include net
reinvested dividends.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 3
<PAGE>
YOUR FUND AT A GLANCE (continued) ----------------------------------------------
STYLE MATRIX
--------------------------------------------------------------------------------
<Table>
<Caption>
DURATION
SHORT INT. LONG
<S> <C> <C> <C> <C>
HIGH
MEDIUM QUALITY
X LOW
</Table>
Shading within the style matrix indicates areas in which the Fund is designed to
generally invest.
The style matrix can be a valuable tool for constructing and monitoring your
portfolio. It provides a frame of reference for distinguishing the types of
stocks or bonds owned by a mutual fund, and may serve as a guideline for helping
you build a portfolio.
Investment products, including shares of mutual funds, are not federally or
FDIC-insured, are not deposits or obligations of, or guaranteed by any financial
institution, and involve investment risks including possible loss of principal
and fluctuation in value.
PORTFOLIO STATISTICS
--------------------------------------------------------------------------------
<Table>
<S> <C>
Weighted average life(1) 4.8 years
--------------------------------------
Effective duration(2) 3.2 years
--------------------------------------
Weighted average bond
rating(3) BB-
--------------------------------------
</Table>
ANNUAL OPERATING EXPENSE RATIO
(as of the current prospectus)
--------------------------------------------------------------------------------
<Table>
<Caption>
Total fund Net fund
expenses expenses(a)
-------------------------------------------------------
<S> <C> <C>
Class A 1.13% 1.02%
-------------------------------------------------------
Class B 1.89% 1.78%
-------------------------------------------------------
Class C 1.88% 1.77%
-------------------------------------------------------
Class I 0.72% 0.65%
-------------------------------------------------------
Class R2 1.51% 1.45%
-------------------------------------------------------
Class R3 1.26% 1.20%
-------------------------------------------------------
Class R4 1.02% 0.95%
-------------------------------------------------------
Class R5 0.78% 0.70%
-------------------------------------------------------
Class W 1.17% 1.10%
-------------------------------------------------------
</Table>
(a) The Investment Manager and its affiliates have contractually agreed to waive
certain fees and to absorb certain expenses until May 31, 2009, unless
sooner terminated at the discretion of the Fund's Board. Any amounts waived
will not be reimbursed by the Fund. Under this agreement, net fund expenses
(excluding fees and expenses of acquired funds), will not exceed 1.02% for
Class A, 1.78% for Class B, 1.77% for Class C, 0.65% for Class I, 1.45% for
Class R2, 1.20% for Class R3, 0.95% for Class R4, 0.70% for Class R5 and
1.10% for Class W.
(1) WEIGHTED AVERAGE LIFE measures a bond's maturity, which takes into
consideration the possibility that the issuer may call the bond before its
maturity date.
(2) EFFECTIVE DURATION measures the sensitivity of a security's price to
parallel shifts in the yield curve (the graphical depiction of the levels of
interest rates from two years out to 30 years). Positive duration means that
as rates rise, the price decreases, and negative duration means that as
rates rise, the price increases.
(3) WEIGHTED AVERAGE BOND RATING represents the average credit quality of the
underlying bonds in the portfolio.
There are risks associated with an investment in a bond fund, including credit
risk, interest rate risk, and prepayment and extension risk. See the Fund's
prospectus for information on these and other risks associated with the Fund. In
general, bond prices rise when interest rates fall and vice versa. This effect
is usually more pronounced for longer-term securities. Non-investment grade
securities, commonly called "high-yield" or "junk" bonds, generally have more
volatile prices and carry more risk to principal and income than investment
grade securities.
--------------------------------------------------------------------------------
4 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
AVERAGE ANNUAL TOTAL RETURNS
--------------------------------------------------------------------------------
<Table>
<Caption>
AT NOV. 30, 2008
SINCE
Without sales charge 6 MONTHS* 1 YEAR 3 YEARS 5 YEARS 10 YEARS INCEPTION**
<S> <C> <C> <C> <C> <C> <C>
Class A (inception
12/8/83) -26.68% -25.75% -5.45% +0.01% +1.27% N/A
-------------------------------------------------------------------------------------
Class B (inception
3/20/95) -27.06% -26.32% -6.17% -0.75% +0.50% N/A
-------------------------------------------------------------------------------------
Class C (inception
6/26/00) -26.81% -26.18% -6.11% -0.77% N/A +0.44%
-------------------------------------------------------------------------------------
Class I (inception
3/4/04) -26.27% -25.46% -5.08% N/A N/A -0.47%
-------------------------------------------------------------------------------------
Class R2 (inception
12/11/06) -26.85% -26.30% N/A N/A N/A -13.47%
-------------------------------------------------------------------------------------
Class R3 (inception
12/11/06) -26.30% -25.63% N/A N/A N/A -12.95%
-------------------------------------------------------------------------------------
Class R4 (inception
3/20/95) -26.60% -25.56% -5.27% +0.19% +1.43% N/A
-------------------------------------------------------------------------------------
Class R5 (inception
12/11/06) -26.56% -25.50% N/A N/A N/A -12.83%
-------------------------------------------------------------------------------------
Class W (inception
12/1/06) -26.68% -26.05% N/A N/A N/A -13.05%
-------------------------------------------------------------------------------------
With sales charge
Class A (inception
12/8/83) -30.25% -29.29% -6.94% -0.97% +0.75% N/A
-------------------------------------------------------------------------------------
Class B (inception
3/20/95) -30.58% -29.75% -7.20% -1.04% +0.50% N/A
-------------------------------------------------------------------------------------
Class C (inception
6/26/00) -27.52% -26.86% -6.11% -0.77% N/A +0.44%
-------------------------------------------------------------------------------------
</Table>
The performance information shown represents past performance and is not a
guarantee of future results. The investment return and principal value of your
investment will fluctuate so that your shares, when redeemed, may be worth more
or less than their original cost. Current performance may be lower or higher
than the performance information shown. You may obtain performance information
current to the most recent month-end by contacting your financial institution or
visiting riversource.com/funds.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 5
<PAGE>
YOUR FUND AT A GLANCE (continued) ----------------------------------------------
<Table>
<Caption>
AT DEC. 31, 2008
SINCE
Without sales charge 6 MONTHS* 1 YEAR 3 YEARS 5 YEARS 10 YEARS INCEPTION**
<S> <C> <C> <C> <C> <C> <C>
Class A (inception
12/8/83) -23.82% -24.59% -5.18% -0.11% +1.58% N/A
-------------------------------------------------------------------------------------
Class B (inception
3/20/95) -24.51% -25.55% -6.07% -0.97% +0.76% N/A
-------------------------------------------------------------------------------------
Class C (inception
6/26/00) -24.34% -25.40% -6.00% -1.00% N/A +0.60%
-------------------------------------------------------------------------------------
Class I (inception
3/4/04) -24.07% -24.68% -4.97% N/A N/A -0.15%
-------------------------------------------------------------------------------------
Class R2 (inception
12/11/06) -24.25% -25.11% N/A N/A N/A -12.11%
-------------------------------------------------------------------------------------
Class R3 (inception
12/11/06) -23.73% -24.46% N/A N/A N/A -11.62%
-------------------------------------------------------------------------------------
Class R4 (inception
3/20/95) -23.73% -24.38% -4.88% +0.07% +1.75% N/A
-------------------------------------------------------------------------------------
Class R5 (inception
12/11/06) -23.69% -24.33% N/A N/A N/A -11.47%
-------------------------------------------------------------------------------------
Class W (inception
12/1/06) -24.07% -24.88% N/A N/A N/A -11.72%
-------------------------------------------------------------------------------------
With sales charge
Class A (inception
12/8/83) -27.36% -28.19% -6.67% -1.08% +1.06% N/A
-------------------------------------------------------------------------------------
Class B (inception
3/20/95) -28.11% -28.99% -7.09% -1.26% +0.76% N/A
-------------------------------------------------------------------------------------
Class C (inception
6/26/00) -25.06% -26.09% -6.00% -1.00% N/A +0.60%
-------------------------------------------------------------------------------------
</Table>
Class A share performance reflects the maximum sales charge of 4.75%. Class B
share performance reflects a contingent deferred sales charge (CDSC) applied as
follows: first year 5%; second and third years 4%; fourth year 3%; fifth year
2%; sixth year 1%; no sales charge thereafter. Class C shares may be subject to
a 1% CDSC if shares are sold within one year after purchase. Sales charges do
not apply to Class I, Class R2, Class R3, Class R4, Class R5 and Class W shares.
Class I, Class R2, Class R3, Class R4 and Class R5 are available to
institutional investors only. Class W shares are offered through qualifying
discretionary accounts.
*Not annualized.
**For classes with less than 10 years performance.
--------------------------------------------------------------------------------
6 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
MANAGER COMMENTARY -------------------------------------------------------------
(UNAUDITED)
Dear Shareholders:
RiverSource High Yield Bond Fund (the Fund) Class A shares declined 26.68%
(excluding sales charge) for the six months ended Nov. 30, 2008. The Fund
outperformed its benchmark, the JP Morgan Global High Yield Index (JP Morgan
Index), which fell 31.31%. The Fund also outperformed the Lipper High Current
Yield Bond Funds Index, representing the Fund's peer group, which declined
31.70% during the same time frame.
SIGNIFICANT PERFORMANCE FACTORS
The high yield corporate bond market exhibited relative stability during the
first months of the semiannual period. However, an ongoing litany of bad news,
beginning in mid-September with the bankruptcy of Lehman Brothers, drove credit
markets, in general, and the high yield corporate bond market, in particular, to
decline sharply. High yield corporate bond spreads, or the yield differential
between these securities and Treasuries, widened significantly, as a succession
of financial institutions went out of business, were forced to merge or were
taken over by the U.S. government. The effect of the near-collapse of the
financial system on the high yield corporate bond market was compounded during
the period by poor technical and fundamental factors. On the technicals side,
there was tremendous forced selling, as hedge funds and others liquidated
SECTOR DIVERSIFICATION(1) (at Nov. 30, 2008; % of portfolio assets)
---------------------------------------------------------------------
<Table>
<S> <C>
Consumer Discretionary 19.2%
------------------------------------------------
Consumer Staples 6.2%
------------------------------------------------
Energy 7.4%
------------------------------------------------
Financials 4.5%
------------------------------------------------
Health Care 8.8%
------------------------------------------------
Industrials 3.8%
------------------------------------------------
Materials 11.1%
------------------------------------------------
Mortgage-Backed 0.2%
------------------------------------------------
Telecommunication 24.9%
------------------------------------------------
Utilities 6.5%
------------------------------------------------
Other(2) 7.4%
------------------------------------------------
</Table>
(1) Sectors can be comprised of several industries. Please refer to the section
entitled "Portfolio of Investments" for a complete listing. No single
industry exceeds 25% of portfolio assets.
(2) Cash & Cash Equivalents.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 7
<PAGE>
MANAGER COMMENTARY (continued) -------------------------------------------------
portfolios. This hit the high yield bank loan sector particularly hard, but
dragged down high yield corporate bonds as well. At the same time, growing
concerns about a consumer-led recession led to weak fundamentals for many
companies issuing debt. The toxic combination of these factors led to extremely
high levels of investor risk aversion and thus the significant market decline in
the high yield corporate bond market. At the end of November, high yield
corporate bond spreads stood at the widest levels seen in recent history.
While a broad-based decline across all sectors of the JP Morgan Index generated
disappointing performance for the Fund, sector and security selection decisions
overall supported its outperformance of its benchmark index and peer group on a
relative basis. The Fund's overweight positioning in the health care, wireline
telecommunications and cable TV industries helped its results most relative to
the JP Morgan Index, as these defensive, comparatively stable sectors proved to
be less volatile than others in the high yield bond market. The Fund's
underweight positions in the automotive industry and technology sector also
contributed positively to performance, as these areas fared poorly during the
period.
QUALITY BREAKDOWN (at Nov. 30, 2008; % of portfolio assets excluding
cash equivalents and equities)
---------------------------------------------------------------------
<Table>
<S> <C>
AAA bonds 0.3%
------------------------------------------------
BBB bonds 3.6%
------------------------------------------------
BB bonds 33.8%
------------------------------------------------
B bonds 46.9%
------------------------------------------------
CCC bonds 13.7%
------------------------------------------------
CC bonds 0.1%
------------------------------------------------
C bonds 0.3%
------------------------------------------------
Non-rated bonds 1.3%
------------------------------------------------
</Table>
Bond ratings apply to the underlying holdings of the Fund and not the Fund
itself. Whenever possible, the Standard and Poor's rating is used to determine
the credit quality of a security. Standard and Poor's rates the creditworthiness
of corporate bonds, with 15 categories, ranging from AAA (highest) to D
(lowest). Ratings from AA to CCC may be modified by the addition of a plus (+)
or minus (-) sign to show relative standing within the major rating categories.
If Standard and Poor's doesn't rate a security, then Moody's rating is used.
RiverSource Investments, LLC, the Fund's investment manager, rates a security
using an internal rating system when Moody's doesn't provide a rating. Ratings
for 1.4% of the bond portfolio assets were determined through internal analysis.
--------------------------------------------------------------------------------
8 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
From an individual security perspective, a holding in subprime auto lender TRIAD
ACQUISITION actually performed well during the period. In winding down its
business, Triad made a tender offer to buy its own bonds at a premium to where
they were trading, and we took advantage of the offer. A position in wireless
telecommunications company CENTENNIAL COMMUNICATIONS also contributed to the
Fund's results, as it agreed during the period to be sold to AT&T. The bank debt
of paper company GEORGIA-PACIFIC traded higher in a brief rebound during the
period, and we took the opportunity to sell the Fund's position at a profit.
Conversely, the Fund's positioning in the gaming industry detracted from its
results. The Fund began the period with a roughly equal weighting to the JP
Morgan Index in gaming. We increased exposure to this area during the semiannual
period based on a long-held and widespread view that gaming was a rather
recession-resistant industry. However, the gaming industry surprised many when
it was hit hard during the period
TOP TEN HOLDINGS (at Nov. 30, 2008; % of portfolio assets)
---------------------------------------------------------------------
<Table>
<S> <C>
Triad Acquisition
11.13% 2013 2.0%
------------------------------------------------
ASG Consolidated LLC/Finance
11.50% 2011 1.8%
------------------------------------------------
INVISTA
9.25% 2012 1.5%
------------------------------------------------
Liberty Media LLC
5.70% 2013 1.5%
------------------------------------------------
Dresser
7.99% 2015 1.4%
------------------------------------------------
Centennial Communications
9.63% 2013 1.3%
------------------------------------------------
NRG Energy
7.38% 2017 1.3%
------------------------------------------------
Rainbow Natl Services LLC
8.75% 2012 1.2%
------------------------------------------------
Cott Beverages USA
8.00% 2011 1.1%
------------------------------------------------
CSC Holdings
8.50% 2015 1.1%
------------------------------------------------
</Table>
For further detail about these holdings, please refer to the section entitled
"Portfolio of Investments."
Fund holdings are as of the date given, are subject to change at any time, and
are not recommendations to buy or sell any security.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 9
<PAGE>
MANAGER COMMENTARY (continued) -------------------------------------------------
by the downturn in the economy, especially casinos in Las Vegas. Fund positions
in FONTAINEBLEAU LAS VEGAS HOLDINGS and STATION CASINOS were particular
disappointments. The Fund held both bonds and bank debt in a casino construction
project of Fontainebleau Las Vegas. While the project remained on time and on
budget, its prospects for profitability going forward grew dimmer, given the
economic outlook and the tremendous amount of other new construction taking
place in Las Vegas. The position fell rather dramatically during the period, but
we continued to hold it given our view of ultimate value relative to current
market prices. Station Casinos is a casino operator, primarily in Las Vegas,
which had conducted a leveraged buyout. It, too, declined along with the gaming
industry as a whole, but given its highly leveraged balance sheets, we sold the
Fund's position in Station Casinos by the end of the period.
An overweight exposure to the energy sector further detracted from the Fund's
results, which was hurt by declining oil and gas prices during the period. We
reduced the Fund's position as energy prices declined, but not fast enough to
completely avoid feeling the impact of the sector's downturn. A modest
overweight position in chemicals also hurt, as many companies in this area
proved to be sensitive to economic pressures. In the packaging industry, a
position in VITRO, a Mexican glass bottle manufacturer, detracted from the
Fund's performance. Vitro experienced both fundamental weakness and problems due
to derivatives exposure. The Fund continued to hold a position in this issue
however, as we believe Vitro's prospects remain solid.
CHANGES TO THE FUND'S PORTFOLIO
Overall, we sought to take profits from those sectors and securities that had
performed well during the prior fiscal period in order to take advantage of
opportunities created by more recent weakness in the high yield corporate bond
market. For example, as mentioned, following a sustained period of strong
performance, we reduced the Fund's position in energy to a rather neutral weight
compared to the JP Morgan Index as oil and gas prices declined. Primarily for
issue-specific reasons, we also reduced the Fund's overweight position in health
care to a more modest overweight allocation. Seeing more attractive
opportunities elsewhere, we redeployed the proceeds into the gaming sector, as
mentioned, and into the cable industry, bringing both to overweight positions.
Within gaming,
--------------------------------------------------------------------------------
10 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
we focused on what are considered new jurisdictions, such as Native American
casinos, which we still consider to be compelling opportunities, and steered
away from established jurisdictions, such as Las Vegas and Atlantic City. We
added select positions in cable TV and satellite cable providers, as this
industry has historically been a defensive area featuring a rather stable cash
flow.
We selectively added bank loan exposure across certain core holdings in the Fund
during this period of market weakness, as these securities tend to be
comparatively defensive in nature over time. We continued to find value in these
securities at quite attractive levels. Certainly bank loans can be volatile over
the short term, as was seen during this period. However, in many cases, holdings
in these bank loans positioned the Fund in a more senior part of a company's
capital structure, thus reducing the overall risk within the portfolio over the
longer term.
At the end of the period, the Fund had materially greater exposure than the JP
Morgan Index in the cable TV, gaming, and wireline telecommunications industries
with a lesser overweight in the health care sector. Underweights in the Fund's
portfolio included the housing, technology, manufacturing and industrial, retail
and automotive areas. The Fund also maintained holdings in the energy, utilities
and wireless telecommunications industries, each at approximately equal
weighting to the JP Morgan Index.
OUR FUTURE STRATEGY
In our view, the high yield corporate bond market may well continue to be choppy
and volatile over
In our view, the high yield corporate bond market may well continue to be
choppy and volatile over the months ahead.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 11
<PAGE>
MANAGER COMMENTARY (continued) -------------------------------------------------
the months ahead. Several factors contributing to our outlook including
unemployment possibly heading over 7%, consumers likely to be increasing their
savings at the expense of spending, the possibility of the credit crisis
resulting in a recession that lasts well into 2009, and the deterioration of the
bank lending environment and companies' ability to access capital. The outcome
of these concerns is key to the default rate going forward. For 2009, we
anticipate that the default rate may well soar into the 8% to 10% range. One of
the major questions that faces the market going forward is how, outside of
interest rate cuts, the Fed and the incoming Presidential administration will be
able to stimulate the economy. All told, this scenario indicates a difficult
environment for the high yield corporate bond market over the near term.
Over the long term, we believe that many securities in the high yield sector
were trading at extremely compelling values at the end of the semiannual period.
Given this view, we intend to begin carefully moving the Fund's portfolio away
from its defensive posture to a slightly more aggressive stance. In doing so, we
are seeking to take positions in those select issues that have strong
fundamentals and solid prospects but that have fallen significantly in recent
months.
In implementing this strategy going forward, we believe more than ever that the
key to potential outperformance will be leveraging our strength in credit
research. We strive to select the right bonds while maintaining a diligent
review of potential credit risks at individual companies. We sell bonds when we
believe that risks outweigh a bond's total return potential.
--------------------------------------------------------------------------------
12 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
We have a bottom-up approach when selecting credits. One of our competitive
advantages is that our team of nine analysts performs in-depth research to
acquire deep knowledge and insight of the industries it covers. We believe that
good security selection based on quality and in-depth security research will be
key to performance in the near term. We intend, of course, to continue to seek
opportunities to capitalize on attractively valued bonds that have the potential
for positive returns.
(PHOTO - )
Scott Schroepfer, CFA(R)
Portfolio Manager
Any specific securities mentioned are for illustrative purposes only and are not
a complete list of securities that have increased or decreased in value. The
views expressed in this statement reflect those of the portfolio manager(s) only
through the end of the period of the report as stated on the cover and do not
necessarily represent the views of RiverSource Investments, LLC (RiverSource) or
any subadviser to the Fund or any other person in the RiverSource or subadviser
organizations. Any such views are subject to change at any time based upon
market or other conditions and RiverSource disclaims any responsibility to
update such views. These views may not be relied on as investment advice and,
because investment decisions for a RiverSource fund are based on numerous
factors, may not be relied on as an indication of trading intent on behalf of
any RiverSource fund.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 13
<PAGE>
FUND EXPENSES EXAMPLE ----------------------------------------------------------
(UNAUDITED)
As a shareholder of the Fund, you incur two types of costs: (1) transaction
costs, including sales charges (loads) on purchase payments; and (2) ongoing
costs, which may include management fees; distribution and service (12b-1) fees;
and other Fund fees and expenses. This example is intended to help you
understand your ongoing costs (in dollars) of investing in the Fund and to
compare these costs with the ongoing costs of investing in other mutual funds.
In addition to the ongoing expenses which the Fund bears directly, the Fund's
shareholders indirectly bear the expenses of the funds in which it invests (also
referred to as "acquired funds"), including affiliated and non-affiliated pooled
investment vehicles (including mutual funds and exchange traded funds). The
Fund's indirect expense from investing in the acquired funds is based on the
Fund's pro rata portion of the cumulative expenses charged by the acquired funds
using the expense ratio of each of the acquired funds as of the acquired fund's
most recent shareholder report.
The example is based on an investment of $1,000 invested at the beginning of the
period and held for the six months ended Nov. 30, 2008.
ACTUAL EXPENSES
The first line of the table provides information about actual account values and
actual expenses. You may use the information in this line, together with the
amount you invested, to estimate the expenses that you paid over the period.
Simply divide your account value by $1,000 (for example, an $8,600 account value
divided by $1,000 = 8.6), then multiply the result by the number in the first
line under the heading titled "Expenses paid during the period" to estimate the
expenses you paid on your account during this period.
HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES
The second line of the table provides information about hypothetical account
values and hypothetical expenses based on the Fund's actual expense ratio and an
assumed rate of return of 5% per year before expenses, which is not the Fund's
actual return. The hypothetical account values and expenses may not be used to
estimate the actual ending account balance or expenses you paid for the period.
You may use this information to compare the ongoing costs of investing in the
Fund and other funds. To do so, compare this 5% hypothetical example with the 5%
hypothetical examples that appear in the shareholder reports of the other funds.
Please note that the expenses shown in the table are meant to highlight your
ongoing costs only and do not reflect any transactional costs, such as sales
charges (loads). Therefore, the second line of the table is useful in comparing
ongoing costs only, and will not help you determine the relative total costs of
owning different funds. In addition, if these transactional costs were included,
your costs would have been higher.
--------------------------------------------------------------------------------
14 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
<Table>
<Caption>
BEGINNING ENDING EXPENSES
ACCOUNT VALUE ACCOUNT VALUE PAID DURING ANNUALIZED
JUNE 1, 2008 NOV. 30, 2008 THE PERIOD(A) EXPENSE RATIO
------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Class A
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 733.20 $4.41 1.02%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,019.85 $5.14 1.02%
------------------------------------------------------------------------------------------
Class B
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 729.40 $7.67 1.78%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,016.06 $8.95 1.78%
------------------------------------------------------------------------------------------
Class C
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 731.90 $7.64 1.77%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,016.11 $8.90 1.77%
------------------------------------------------------------------------------------------
Class I
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 737.30 $2.82 .65%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,021.69 $3.28 .65%
------------------------------------------------------------------------------------------
Class R2
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 731.50 $6.26 1.45%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,017.70 $7.29 1.45%
------------------------------------------------------------------------------------------
Class R3
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 737.00 $5.20 1.20%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,018.95 $6.04 1.20%
------------------------------------------------------------------------------------------
Class R4
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 734.00 $4.11 .95%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,020.19 $4.78 .95%
------------------------------------------------------------------------------------------
Class R5
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 734.40 $3.03 .70%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,021.44 $3.53 .70%
------------------------------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 15
<PAGE>
FUND EXPENSES EXAMPLE (continued) ----------------------------------------------
<Table>
<Caption>
BEGINNING ENDING EXPENSES
ACCOUNT VALUE ACCOUNT VALUE PAID DURING ANNUALIZED
JUNE 1, 2008 NOV. 30, 2008 THE PERIOD(A) EXPENSE RATIO
------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Class W
------------------------------------------------------------------------------------------
Actual(b) $1,000 $ 733.20 $4.75 1.10%
------------------------------------------------------------------------------------------
Hypothetical
(5% return before expenses) $1,000 $1,019.45 $5.54 1.10%
------------------------------------------------------------------------------------------
</Table>
(a) Expenses are equal to the Fund's annualized expense ratio as indicated
above, multiplied by the average account value over the period, multiplied
by 182/365 (to reflect the one-half year period).
(b) Based on the actual return for the six months ended Nov. 30, 2008: -26.68%
for Class A, -27.06% for Class B, -26.81% for Class C, -26.27% for Class I,
-26.85% for Class R2, -26.30% for Class R3, -26.60% for Class R4, -26.56%
for Class R5 and -26.68% for Class W.
--------------------------------------------------------------------------------
16 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
PORTFOLIO OF INVESTMENTS -------------------------------------------------------
NOV. 30, 2008 (UNAUDITED)
(Percentages represent value of investments compared to net assets)
INVESTMENTS IN SECURITIES
<Table>
<Caption>
BONDS (78.3%)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
MORTGAGE-BACKED (0.2%)(F)
Countrywide Alternative Loan Trust
Collateralized Mtge Obligation
Series 2007-OH3 Cl A3
09-25-47 1.90% $8,876,968(i) $2,073,730
--------------------------------------------------------------------------------------------------
AEROSPACE & DEFENSE (1.8%)
Alion Science and Technology
02-01-15 10.25 10,600,000 5,830,000
L-3 Communications
06-15-12 7.63 983,000 904,360
07-15-13 6.13 2,035,000 1,729,750
L-3 Communications
Series B
10-15-15 6.38 8,575,000 7,117,250
Moog
Sr Sub Nts
06-15-18 7.25 629,000(d) 484,330
-----------
Total 16,065,690
--------------------------------------------------------------------------------------------------
BROKERAGE (0.1%)
Lehman Brothers Holdings
Sr Unsecured
05-02-18 6.88 6,150,000(b,g,o) 615,000
--------------------------------------------------------------------------------------------------
BUILDING MATERIALS (0.8%)
Gibraltar Inds
Series B
12-01-15 8.00 11,907,000 7,441,875
--------------------------------------------------------------------------------------------------
CHEMICALS (4.6%)
Chemtura
06-01-16 6.88 14,736,000 8,104,800
Hexion US Finance/Nova Scotia Finance
Sr Secured
11-15-14 9.75 6,881,000 3,578,120
INVISTA
Sr Unsecured
05-01-12 9.25 16,861,000(d) 13,320,190
MacDermid
Sr Sub Nts
04-15-17 9.50 7,518,000(d) 3,909,360
Momentive Performance
Pay-in-kind
12-01-14 10.13 15,620,000(n) 4,607,900
NALCO
11-15-11 7.75 3,370,000 2,990,875
11-15-13 8.88 5,155,000 4,124,000
-----------
Total 40,635,245
--------------------------------------------------------------------------------------------------
CONSUMER CYCLICAL SERVICES (0.7%)
West Corp
10-15-16 11.00 14,909,000 6,410,870
--------------------------------------------------------------------------------------------------
CONSUMER PRODUCTS (2.1%)
AAC Group Holding
Sr Unsecured
10-01-12 10.25 5,800,000(d) 5,220,000
American Achievement Group Holding
Sr Unsecured Pay-in-kind
10-01-12 14.75 1,632,455(n) 1,552,873
Jarden
05-01-17 7.50 7,263,000 4,720,950
Sealy Mattress
06-15-14 8.25 2,256,000 1,229,520
Visant Holding
Sr Disc Nts
(Zero coupon through 12-01-08, thereafter 10.25%)
12-01-13 8.91 4,815,000(m) 3,514,950
Visant Holding
Sr Nts
12-01-13 8.75 3,080,000 2,217,600
-----------
Total 18,455,893
--------------------------------------------------------------------------------------------------
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 17
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
<Table>
<Caption>
BONDS (CONTINUED)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
ELECTRIC (5.1%)
Dynegy Holdings
Sr Unsecured
05-01-16 8.38% $4,852,000 $3,372,140
05-15-18 7.13 8,020,000 4,731,800
Edison Mission Energy
Sr Unsecured
06-15-16 7.75 1,672,000 1,308,340
Energy Future Holdings
11-01-17 10.88 10,711,000(d) 6,908,595
Midwest Generation LLC
Pass-Through Ctfs Series B
01-02-16 8.56 5,858,628 5,360,644
Mirant North America LLC
12-31-13 7.38 7,769,000 6,720,185
NRG Energy
01-15-17 7.38 14,165,000 11,438,238
Texas Competitive Electric Holdings LLC
11-01-15 10.25 7,395,000(d) 4,732,800
-----------
Total 44,572,742
--------------------------------------------------------------------------------------------------
ENTERTAINMENT (1.4%)
AMC Entertainment
02-01-16 11.00 5,748,000 4,081,080
United Artists Theatre Circuit
Pass-Through Ctfs Series BB5
07-01-15 9.30 6,368,250(k) 5,986,154
United Artists Theatre Circuit
Pass-Through Ctfs Series BC3
07-01-15 9.30 2,047,393(k) 1,924,550
-----------
Total 11,991,784
--------------------------------------------------------------------------------------------------
ENVIRONMENTAL (0.1%)
Clean Harbors
Sr Secured
07-15-12 11.25 957,000 972,551
--------------------------------------------------------------------------------------------------
FOOD AND BEVERAGE (3.8%)
ASG Consolidated LLC/Finance
Sr Disc Nts
11-01-11 11.50 19,195,000 16,411,725
Cott Beverages USA
12-15-11 8.00 16,541,000 9,759,190
Pinnacle Foods Finance LLC
04-01-17 10.63 13,508,000 7,564,480
-----------
Total 33,735,395
--------------------------------------------------------------------------------------------------
GAMING (6.8%)
Boyd Gaming
Sr Sub Nts
02-01-16 7.13 15,590,000 8,808,350
Circus & Eldorado Jt Venture/Silver
Legacy Capital
1st Mtge
03-01-12 10.13 9,215,000 5,943,675
Firekeepers Development Authority
Sr Secured
05-01-15 13.88 7,160,000(d) 4,725,600
Fontainebleau Las Vegas Holdings LLC/Capital
2nd Mtge
06-15-15 10.25 14,586,000(d) 1,896,180
Indianapolis Downs LLC/Capital
Sr Secured
11-01-12 11.00 7,040,000(d) 3,308,800
MGM Mirage
04-01-13 6.75 2,475,000 1,287,000
06-01-16 7.50 4,450,000 2,291,750
MGM Mirage
Sr Secured
11-15-13 13.00 5,150,000(d) 4,377,500
Pokagon Gaming Authority
Sr Nts
06-15-14 10.38 8,325,000(d) 7,034,625
Shingle Springs Tribal Gaming Authority
Sr Nts
06-15-15 9.38 15,499,000(d) 7,362,025
Tunica-Biloxi Gaming Authority
Sr Unsecured
11-15-15 9.00 10,245,000(d) 8,759,475
Wynn Las Vegas LLC/Capital
1st Mtge
12-01-14 6.63 3,700,000 2,617,750
-----------
Total 58,412,730
--------------------------------------------------------------------------------------------------
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
18 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
<Table>
<Caption>
BONDS (CONTINUED)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
GAS DISTRIBUTORS (0.9%)
Southwestern Energy
Sr Nts
02-01-18 7.50% $4,875,000(d) $4,119,375
Williams Partners LP/Finance
Sr Unsecured
02-01-17 7.25 4,835,000 3,795,475
-----------
Total 7,914,850
--------------------------------------------------------------------------------------------------
GAS PIPELINES (0.6%)
Southern Star Central
Sr Nts
03-01-16 6.75 6,815,000 5,520,150
--------------------------------------------------------------------------------------------------
HEALTH CARE (5.9%)
Community Health Systems
07-15-15 8.88 8,208,000 6,586,920
DaVita
03-15-13 6.63 4,421,000 3,912,585
03-15-15 7.25 4,236,000 3,664,140
HCA
Sr Secured
11-15-16 9.25 1,255,000 1,019,688
HCA
Sr Secured Pay-in-kind
11-15-16 9.63 2,860,000(n) 2,059,200
HCA
Sr Unsecured
02-15-16 6.50 12,190,000 6,826,400
NMH Holdings
Sr Unsecured Pay-in-kind
06-15-14 9.94 5,927,654(d,i,n) 4,208,634
Omnicare
12-15-13 6.75 4,638,000 3,872,730
Omnicare
Sr Sub Nts
06-01-13 6.13 3,765,000 3,012,000
Select Medical
Sr Unsecured
09-15-15 8.83 15,812,000(i) 9,012,840
Vanguard Health Holding I LLC
(Zero coupon through 10-01-09,
thereafter 11.25%)
10-01-15 7.09 2,955,000(m) 2,275,350
Vanguard Health Holding II LLC
10-01-14 9.00 6,532,000 5,225,600
-----------
Total 51,676,087
--------------------------------------------------------------------------------------------------
HOME CONSTRUCTION (1.5%)
K Hovnanian Enterprises
Sr Secured
05-01-13 11.50 7,930,000 6,066,450
Norcraft Holdings LP/Capital
Sr Disc Nts
09-01-12 9.75 6,200,000 4,960,000
William Lyon Homes
02-15-14 7.50 12,380,000 2,352,200
-----------
Total 13,378,650
--------------------------------------------------------------------------------------------------
INDEPENDENT ENERGY (6.0%)
Chesapeake Energy
08-15-14 7.00 5,722,000 4,348,720
01-15-16 6.63 6,892,000 4,807,170
01-15-18 6.25 2,520,000 1,650,600
Compton Petroleum Finance
12-01-13 7.63 10,221,000(c) 4,190,610
Connacher Oil and Gas
Sr Secured
12-15-15 10.25 9,160,000(c,d) 4,763,200
EXCO Resources
01-15-11 7.25 9,018,000 6,943,860
Hilcorp Energy I LP/Finance
Sr Unsecured
11-01-15 7.75 9,690,000(d) 6,928,350
Quicksilver Resources
08-01-15 8.25 6,324,000 4,110,600
04-01-16 7.13 3,900,000 2,242,500
Range Resources
05-15-16 7.50 3,250,000 2,697,500
05-01-18 7.25 2,010,000 1,602,975
SandRidge Energy
Pay-in-kind
04-01-15 8.63 11,738,000(n) 7,453,630
-----------
Total 51,739,715
--------------------------------------------------------------------------------------------------
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 19
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
<Table>
<Caption>
BONDS (CONTINUED)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
MEDIA CABLE (3.3%)
Charter Communications Holdings II LLC/Capital
10-01-13 10.25% $7,680,000 $3,494,400
10-01-13 10.25 2,860,000(d) 1,215,500
Charter Communications Holdings II LLC/Capital
Sr Unsecured Series B
09-15-10 10.25 4,617,000 2,193,075
Charter Communications Operating LLC/Capital
Sr Secured
04-30-14 8.38 4,056,000(d) 2,758,080
CSC Holdings
Sr Unsecured
06-15-15 8.50 12,095,000(d) 9,676,000
Mediacom LLC/Capital
Sr Unsecured
01-15-13 9.50 7,220,000 5,920,400
Virgin Media Finance
04-15-14 8.75 5,145,000(c) 3,717,263
-----------
Total 28,974,718
--------------------------------------------------------------------------------------------------
MEDIA NON CABLE (9.2%)
Dex Media
Sr Disc Nts
11-15-13 9.00 4,505,000 585,650
Dex Media West LLC/Finance
Sr Sub Nts Series B
08-15-13 9.88 3,819,000 840,180
DIRECTV Holdings LLC/Financing
06-15-15 6.38 5,175,000 4,204,688
05-15-16 7.63 7,266,000 6,194,265
EchoStar DBS
10-01-14 6.63 5,040,000 3,603,600
02-01-16 7.13 10,449,000 7,418,790
Intelsat
Sr Unsecured
08-15-14 9.25 6,925,000(d) 5,886,250
Lamar Media
08-15-15 6.63 7,632,000 5,533,200
Lamar Media
Series B
08-15-15 6.63 6,030,000 4,371,750
Lamar Media
Series C
08-15-15 6.63 4,146,000 3,005,850
LBI Media
Sr Sub Nts
08-01-17 8.50 5,112,000(d) 1,789,200
Liberty Media LLC
Sr Unsecured
05-15-13 5.70 19,626,000 13,167,966
LIN Television
05-15-13 6.50 2,655,000 1,234,575
LIN Television
Series B
05-15-13 6.50 640,000 297,600
Nielsen Finance LLC
08-01-14 10.00 6,230,000 4,485,600
Radio One
02-15-13 6.38 9,914,000 3,370,760
Rainbow Natl Services LLC
09-01-12 8.75 12,485,000(d) 10,986,800
09-01-14 10.38 3,003,000(d) 2,597,595
RH Donnelley
Sr Unsecured
01-15-13 6.88 1,579,000 205,270
-----------
Total 79,779,589
--------------------------------------------------------------------------------------------------
METALS (1.6%)
CII Carbon LLC
11-15-15 11.13 3,890,000(d) 3,656,600
Freeport-McMoRan Copper & Gold
Sr Unsecured
04-01-15 8.25 7,965,000 5,774,625
04-01-17 8.38 1,350,000 958,500
Noranda Aluminum Acquisition
Pay-in-kind
05-15-15 6.60 11,258,000(i,n) 3,658,850
-----------
Total 14,048,575
--------------------------------------------------------------------------------------------------
NON CAPTIVE CONSUMER (2.1%)
Triad Acquisition
Sr Unsecured Series B
05-01-13 11.13 23,225,000 18,115,500
--------------------------------------------------------------------------------------------------
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
20 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
<Table>
<Caption>
BONDS (CONTINUED)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
NON CAPTIVE DIVERSIFIED (0.3%)
Ford Motor Credit LLC
Sr Unsecured
08-10-11 9.88% $2,947,000 $1,414,560
GMAC LLC
Sr Unsecured
08-28-12 6.88 3,105,000 1,086,964
-----------
Total 2,501,524
--------------------------------------------------------------------------------------------------
OIL FIELD SERVICES (0.2%)
Helix Energy Solutions Group
Sr Unsecured
01-15-16 9.50 3,068,000(d) 1,610,700
--------------------------------------------------------------------------------------------------
OTHER FINANCIAL INSTITUTIONS (1.2%)
Cardtronics
08-15-13 9.25 8,906,000 6,601,573
Cardtronics
Series B
08-15-13 9.25 5,653,000 4,190,286
-----------
Total 10,791,859
--------------------------------------------------------------------------------------------------
OTHER INDUSTRY (0.7%)
Chart Inds
Sr Sub Nts
10-15-15 9.13 9,185,000 6,567,275
--------------------------------------------------------------------------------------------------
PACKAGING (0.5%)
Vitro
02-01-17 9.13 16,236,000(c) 4,302,540
--------------------------------------------------------------------------------------------------
PAPER (2.3%)
Boise Cascade LLC
10-15-14 7.13 6,482,000 3,629,920
Cascades
02-15-13 7.25 2,985,000(c) 1,671,600
Georgia-Pacific LLC
01-15-17 7.13 4,918,000(d) 3,614,730
Jefferson Smurfit US
Sr Unsecured
06-01-13 7.50 8,335,000 2,417,150
NewPage
Sr Secured
05-01-12 10.00 11,127,000 6,008,580
Norampac
06-01-13 6.75 4,247,000(c) 2,165,970
Smurfit-Stone Container Enterprises
Sr Unsecured
03-15-17 8.00 3,535,000 936,775
-----------
Total 20,444,725
--------------------------------------------------------------------------------------------------
PHARMACEUTICALS (1.0%)
Warner Chilcott
02-01-15 8.75 9,902,000 8,738,515
--------------------------------------------------------------------------------------------------
RETAILERS (0.3%)
Neiman Marcus Group
Pay-in-kind
10-15-15 9.00 5,605,000(n) 2,382,125
--------------------------------------------------------------------------------------------------
TECHNOLOGY (2.1%)
Communications & Power Inds
02-01-12 8.00 9,130,000 7,486,600
CPI Intl
Sr Unsecured
02-01-15 8.88 1,825,000(i) 1,797,625
SS&C Technologies
12-01-13 11.75 3,414,000 3,021,390
SunGard Data Systems
08-15-15 10.25 10,890,000 6,316,200
-----------
Total 18,621,815
--------------------------------------------------------------------------------------------------
TRANSPORTATION SERVICES (0.8%)
Hertz
01-01-14 8.88 2,930,000 1,512,613
01-01-16 10.50 9,479,000 3,791,600
Quality Distribution LLC/Capital
01-15-12 9.25 4,239,000(i) 1,504,845
-----------
Total 6,809,058
--------------------------------------------------------------------------------------------------
WIRELESS (4.7%)
Centennial Communications
Sr Nts
01-01-13 9.63 12,491,000(i) 11,679,085
Cricket Communications
07-15-15 10.00 5,915,000(d) 4,909,450
MetroPCS Wireless
11-01-14 9.25 9,995,000 8,195,900
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 21
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
<Table>
<Caption>
BONDS (CONTINUED)
COUPON PRINCIPAL
ISSUER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
WIRELESS (CONT.)
Nextel Communications
Series D
08-01-15 7.38% $22,311,000 $8,924,400
Nextel Communications
Series E
10-31-13 6.88 365,000 153,300
Sprint Capital
01-30-11 7.63 10,570,000 7,610,400
-----------
Total 41,472,535
--------------------------------------------------------------------------------------------------
WIRELINES (5.7%)
Fairpoint Communications
Sr Unsecured
04-01-18 13.13 7,865,000(d) 4,011,150
Frontier Communications
Sr Unsecured
03-15-19 7.13 9,705,000 5,604,638
GCI
Sr Unsecured
02-15-14 7.25 4,930,000 3,956,325
Level 3 Communications
Sub Nts
09-15-09 6.00 3,050,000 2,806,000
Level 3 Financing
03-15-13 12.25 5,525,000 3,176,875
Qwest
Sr Unsecured
06-15-15 7.63 11,190,000 8,448,450
06-01-17 6.50 11,610,000 8,127,000
Windstream
08-01-13 8.13 1,875,000 1,546,875
08-01-16 8.63 11,807,000 9,209,459
03-15-19 7.00 4,605,000 3,188,963
-----------
Total 50,075,735
--------------------------------------------------------------------------------------------------
TOTAL BONDS
(Cost: $1,008,878,768) $686,849,745
--------------------------------------------------------------------------------------------------
<Caption>
SENIOR LOANS (15.2%)(h)
COUPON PRINCIPAL
BORROWER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
AEROSPACE & DEFENSE (0.3%)
Alion Science and Technology
Term Loan
TBD TBD $4,565,000(g,p) $2,967,250
--------------------------------------------------------------------------------------------------
AUTOMOTIVE (0.8%)
Ford Motor
Term Loan
TBD TBD 3,110,000(g,p) 1,265,770
12-15-13 4.43% 8,257,975 3,360,995
Lear
Term Loan
TBD TBD 1,935,000(g,p) 932,032
06-27-14 3.59-6.26 3,075,000 1,481,135
-----------
Total 7,039,932
--------------------------------------------------------------------------------------------------
CHEMICALS (0.8%)
Hexion Specialty Chemicals
Tranche C Term Loan
TBD TBD 13,162,520(g,p) 7,019,967
--------------------------------------------------------------------------------------------------
CONSUMER CYCLICAL SERVICES (0.5%)
West Corp
Tranche B2 Term Loan
TBD TBD 2,094,837(g,p) 1,298,799
10-24-13 3.77-4.73 4,852,215 3,008,373
-----------
Total 4,307,172
--------------------------------------------------------------------------------------------------
ENTERTAINMENT (0.3%)
AMC Entertainment
Pay-in-kind Term Loan
06-13-12 7.82 5,910,940(n) 2,955,470
--------------------------------------------------------------------------------------------------
FOOD AND BEVERAGE (0.3%)
Pinnacle Foods Finance LLC
Term Loan
04-02-14 5.60-6.80 3,823,901 2,619,372
--------------------------------------------------------------------------------------------------
GAMING (1.6%)
Fontainebleau Las Vegas
Delayed Draw Term Loan
TBD TBD 5,657,216(g,p,q) 1,923,453
Fontainebleau Las Vegas
Tranche B Term Loan
06-06-14 6.07 11,314,432 3,846,907
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
22 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
<Table>
<Caption>
SENIOR LOANS (CONTINUED)
COUPON PRINCIPAL
BORROWER RATE AMOUNT VALUE(a)
<S> <C> <C> <C>
GAMING (CONT.)
Great Lakes Gaming of Michigan
Term Loan
08-15-12 9.00% $8,230,891(k) $8,066,274
-----------
Total 13,836,634
--------------------------------------------------------------------------------------------------
HEALTH CARE (2.0%)
HCA
Tranche B Term Loan
11-17-13 6.01 11,595,783 8,669,819
IASIS Healthcare LLC
Pay-in-kind Term Loan
06-13-14 8.76 17,913,812(n) 8,956,906
-----------
Total 17,626,725
--------------------------------------------------------------------------------------------------
MEDIA CABLE (1.0%)
Charter Communications
Term Loan
09-06-14 3.63-5.63 12,383,461 8,342,118
--------------------------------------------------------------------------------------------------
MEDIA NON CABLE (1.1%)
Dex Media West LLC
Tranche B Term Loan
TBD TBD 3,250,000(g,p) 1,618,500
Idearc
Tranche B Term Loan
11-17-14 3.44-5.77 2,458,744 797,985
Nielsen Finance
Term Loan
TBD TBD 3,090,000(c,g,p) 2,056,519
08-09-13 3.77-4.39 8,232,167(c) 5,478,837
-----------
Total 9,951,841
--------------------------------------------------------------------------------------------------
METALS (0.1%)
Noranda Aluminum
Tranche B Term Loan
TBD TBD 750,000(g,p) 438,750
--------------------------------------------------------------------------------------------------
OIL FIELD SERVICES (1.4%)
Dresser
2nd Lien Term Loan
05-04-15 7.99 20,560,000 12,473,135
--------------------------------------------------------------------------------------------------
OTHER FINANCIAL INSTITUTIONS (0.6%)
ACE Cash Express
Tranche B Term Loan
10-05-13 6.77 9,565,855 5,261,220
--------------------------------------------------------------------------------------------------
PAPER (0.5%)
Georgia-Pacific
Tranche B1 Term Loan
TBD TBD 5,804,290(g,p) 4,516,492
--------------------------------------------------------------------------------------------------
RETAILERS (1.4%)
Neiman Marcus Group
Term Loan
TBD TBD 5,191,251(g,p) 3,263,065
04-06-13 4.57 2,123,950 1,335,051
Toys "R" Us
Tranche B Term Loan
TBD TBD 1,870,000(g,p) 1,095,502
07-19-12 5.72 11,110,199 6,508,688
-----------
Total 12,202,306
--------------------------------------------------------------------------------------------------
TECHNOLOGY (1.7%)
Flextronics Intl
Term Loan
10-01-14 6.13-7.07 13,951,055 9,486,718
Flextronics Intl
Tranche A1A Delayed Draw Term Loan
10-01-14 7.07 4,008,924 2,726,068
SunGard Data Systems
Tranche B Term Loan
TBD TBD 3,305,000(g,p) 2,267,527
-----------
Total 14,480,313
--------------------------------------------------------------------------------------------------
WIRELINES (0.8%)
Fairpoint Communications
Tranche B Term Loan
03-08-15 6.56 11,558,000 7,235,308
--------------------------------------------------------------------------------------------------
TOTAL SENIOR LOANS)
(Cost: $196,922,339) $133,274,005
--------------------------------------------------------------------------------------------------
</Table>
<Table>
<Caption>
COMMON STOCKS (--%)
ISSUER SHARES VALUE(a)
<S> <C> <C>
OIL, GAS & CONSUMABLE FUELS (--%)
Link Energy LLC Unit 1,646,684(b,j) $11,527
-------------------------------------------------------------------------------------
</Table>
See accompanying Notes to Portfolio of Investments.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 23
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
<Table>
<Caption>
COMMON STOCKS (CONTINUED)
ISSUER SHARES VALUE(a)
<S> <C> <C>
PAPER & FOREST PRODUCTS (--%)
Crown Paper Escrow 29,470,000(b,k) $29
-------------------------------------------------------------------------------------
TEXTILES, APPAREL & LUXURY GOODS (--%)
Arena Brands 111,111(b,k,l) 158,889
-------------------------------------------------------------------------------------
TOTAL COMMON STOCKS
(Cost: $18,965,223) $170,445
-------------------------------------------------------------------------------------
<Caption>
OTHER (0.3%)
ISSUER SHARES VALUE(a)
<S> <C> <C>
OTHER FINANCIAL INSTITUTIONS
Varde Fund V LP 25,000,000(e,k,l) $2,698,250
-------------------------------------------------------------------------------------
TOTAL OTHER
(Cost: $--) $2,698,250
-------------------------------------------------------------------------------------
<Caption>
MONEY MARKET FUND (7.5%)
SHARES VALUE(a)
<S> <C> <C>
RiverSource Short-Term Cash Fund, 0.69% 66,162,340(r) $66,162,340
-------------------------------------------------------------------------------------
TOTAL MONEY MARKET FUND
(Cost: $66,162,340) $66,162,340
-------------------------------------------------------------------------------------
TOTAL INVESTMENTS IN SECURITIES
(Cost: $1,290,928,670)(s) $889,154,785
=====================================================================================
</Table>
NOTES TO PORTFOLIO OF INVESTMENTS
(a) Securities are valued by using procedures described in Note 1 to the
financial statements.
(b) Non-income producing. For long-term debt securities, item identified is in
default as to payment of interest and/or principal.
(c) Foreign security values are stated in U.S. dollars. For debt securities,
principal amounts are denominated in U.S. dollar currency unless otherwise
noted. At Nov. 30, 2008, the value of foreign securities represented 3.2%
of net assets.
(d) Represents a security sold under Rule 144A, which is exempt from
registration under the Securities Act of 1933, as amended. This security
may be determined to be liquid under guidelines established by the Fund's
Board of Directors. These securities may be resold in transactions exempt
from registration, normally to qualified institutional buyers. At Nov. 30,
2008, the value of these securities amounted to $144,771,094 or 16.5% of
net assets.
(e) The share amount for Limited Liability Companies (LLC) or Limited
Partnerships (LP) represents capital contributions.
(f) Mortgage-backed securities represent direct or indirect participations in,
or are secured by and payable from, mortgage loans secured by real
property, and include single- and multi-class pass-through securities and
collateralized mortgage obligations. These securities may be issued or
guaranteed by U.S. government agencies or instrumentalities, or by private
issuers, generally originators and investors in mortgage loans, including
savings associations, mortgage bankers, commercial banks, investment
bankers and special purpose entities. The maturity dates shown represent
the original maturity of the underlying obligation. Actual maturity may
vary based upon prepayment activity on these obligations. Unless otherwise
noted, the coupon rates presented are fixed rates.
--------------------------------------------------------------------------------
24 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
NOTES TO PORTFOLIO OF INVESTMENTS (CONTINUED)
(g) At Nov. 30, 2008, the cost of securities purchased, including interest
purchased, on a when-issued and/or other forward-commitment basis was
$41,979,589. See Note 1 to the financial statements.
(h) Senior loans have rates of interest that float periodically based primarily
on the London Interbank Offered Rate ("LIBOR") and other short-term rates.
Remaining maturities of senior loans may be less than the stated maturities
shown as a result of contractual or optional prepayments by the borrower.
Such prepayments cannot be predicted with certainty.
(i) Interest rate varies either based on a predetermined schedule or to reflect
current market conditions; rate shown is the effective rate on Nov. 30,
2008.
(j) Investments representing 5% or more of the outstanding voting securities of
the issuer. Transactions with companies that are or were affiliates during
the six months ended Nov. 30, 2008 are as follows:
<Table>
<Caption>
BEGINNING PURCHASE SALES ENDING DIVIDEND
ISSUER COST COST COST COST INCOME VALUE(A)
-------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C>
Link Energy LLC Unit $13,076,335 $-- $-- $13,076,335 $-- $11,527
</Table>
(k) Identifies issues considered to be illiquid as to their marketability (see
Note 1 to the financial statements). Information concerning such security
holdings at Nov. 30, 2008, is as follows:
<Table>
<Caption>
ACQUISITION
SECURITY DATES COST
----------------------------------------------------------------------
<S> <C> <C>
Arena Brands
Common 09-03-92 $5,888,888
Crown Paper Escrow
Common 04-16-07 --
Great Lakes Gaming of Michigan
Term Loan
9.00% 2012 03-01-07 thru 09-15-07 8,114,567
United Artists Theatre Circuit
Pass-Through Ctfs Series BB5
9.30% 2015 12-08-95 thru 04-03-02 6,129,317
United Artists Theatre Circuit
Pass-Through Ctfs Series BC3
9.30% 2015 12-06-01 1,684,496
Varde Fund V LP 04-27-00 thru 06-19-00 --*
</Table>
* The original cost for this position in fiscal year 2004 was $25,000,000.
From Sept. 29, 2004 through March 7, 2005, $25,000,000 was returned to
the fund in the form of return of capital
(l) Security valued by management at fair value according to procedures
approved, in good faith, by the Board.
(m) For those zero coupon bonds that become coupon paying at a future date, the
interest rate disclosed represents the annualized effective yield from the
date of acquisition to maturity.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 25
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
NOTES TO PORTFOLIO OF INVESTMENTS (CONTINUED)
(n) Pay-in-kind securities are securities in which the issuer makes interest or
dividend payments in cash or in additional securities. The securities
usually have the same terms as the original holdings.
(o) On Sept. 15, 2008, Lehman Brothers Holdings filed a Chapter 11 bankruptcy
petition.
(p) Represents a senior loan purchased on a when-issued or delayed-delivery
basis. Certain details associated with this purchase are not known prior to
the settlement date of the transaction. In addition, senior loans typically
trade without accrued interest and therefore a weighted average coupon rate
is not available prior to settlement. At settlement, if still unknown, the
borrower or counterparty will provide the Fund with the final weighted
average coupon rate and maturity date.
(q) At Nov. 30, 2008, the Fund had unfunded senior loan commitments pursuant to
the terms of the loan agreement. The Fund receives a stated coupon rate
until the borrower draws on the loan commitment, at which time the rate
will become the stated rate in the loan agreement.
<Table>
<Caption>
UNFUNDED
BORROWER COMMITMENT
----------------------------------------------------------
<S> <C>
Fontainebleau Las Vegas
Delayed Draw $5,509,045
</Table>
(r) Affiliated Money Market Fund -- See Note 5 to the financial statements. The
rate shown is the seven-day current annualized yield at Nov. 30, 2008.
(s) At Nov. 30, 2008, the cost of securities for federal income tax purposes
was approximately $1,290,929,000 and the approximate aggregate gross
unrealized appreciation and depreciation based on that cost was:
<Table>
<S> <C>
Unrealized appreciation $4,239,000
Unrealized depreciation (406,013,000)
------------------------------------------------------------
Net unrealized depreciation $(401,774,000)
------------------------------------------------------------
</Table>
The industries identified above are based on the Global Industry Classification
Standard (GICS), which was developed by and is the exclusive property of Morgan
Stanley Capital International Inc. and Standard & Poor's, a division of The
McGraw-Hill Companies, Inc.
--------------------------------------------------------------------------------
26 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
FAIR VALUE MEASUREMENTS
Statement of Financial Accounting Standards No. 157 (SFAS 157) seeks to
implement more uniform reporting relating to the fair valuation of securities
for financial statement purposes. Mutual funds are required to implement the
requirements of this standard for fiscal years beginning after Nov. 15, 2007.
While uniformity of presentation is the objective of the standard, industry
implementation has just begun and it is likely that there will be a range of
practices utilized and it will be some period of time before industry practices
become more uniform. For this reason care should be exercised in interpreting
this information and/or using it for comparison with other mutual funds.
Various inputs are used in determining the value of the Fund's investments.
These inputs are summarized in the three broad levels listed below:
- Level 1 -- quoted prices in active markets for identical securities
- Level 2 -- other significant observable inputs (including quoted prices
for similar securities, interest rates, prepayment speeds, credit risks,
etc.)
- Level 3 -- significant unobservable inputs (including the Fund's own
assumptions in determining the fair value of investments)
Observable inputs are those based on market data obtained from sources
independent of the fund, and unobservable inputs reflect the fund's own
assumptions based on the best information available. The input levels are not
necessarily an indication of the risk or liquidity associated with investments
at that level.
The following table is a summary of the inputs used to value the Fund's
investments as of Nov. 30, 2008:
<Table>
<Caption>
FAIR VALUE AT NOV. 30, 2008
------------------------------------------------------------
LEVEL 1 LEVEL 2
QUOTED PRICES OTHER LEVEL 3
IN ACTIVE SIGNIFICANT SIGNIFICANT
MARKETS FOR OBSERVABLE UNOBSERVABLE
DESCRIPTION IDENTICAL ASSETS INPUTS INPUTS TOTAL
-----------------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Investments in
securities $66,162,340 $802,084,569 $20,907,876 $889,154,785
</Table>
The following table is a reconciliation of Level 3 assets for which significant
unobservable inputs were used to determine fair value.
<Table>
<Caption>
INVESTMENTS IN
SECURITIES
------------------------------------------------------------------
<S> <C> <C>
Balance as of May 31, 2008 $26,107,878
Accrued discounts/premiums 46,978
Realized gain (loss) 412,641
Change in unrealized appreciation
(depreciation) (3,618,853)
Net purchases (sales) (2,040,768)
Transfers in and/or out of Level 3 --
------------------------------------------------------------------
Balance as of Nov. 30, 2008 $20,907,876
------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 27
<PAGE>
PORTFOLIO OF INVESTMENTS (continued) -------------------------------------------
HOW TO FIND INFORMATION ABOUT THE FUND'S PORTFOLIO HOLDINGS
(i) The Fund files its complete schedule of portfolio holdings with the
Securities and Exchange Commission (Commission) for the first and third
quarters of each fiscal year on Form N-Q;
(ii) The Fund's Forms N-Q are available on the Commission's website at
http://www.sec.gov;
(iii)The Fund's Forms N-Q may be reviewed and copied at the Commission's Public
Reference Room in Washington, DC (information on the operations of the
Public Reference Room may be obtained by calling 1-800-SEC-0330); and
(iv) The Fund's complete schedule of portfolio holdings, as disclosed in its
annual and semiannual shareholder reports and in its filings on Form N-Q,
can be found at riversource.com/funds.
--------------------------------------------------------------------------------
28 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
STATEMENT OF ASSETS AND LIABILITIES --------------------------------------------
NOV. 30, 2008 (UNAUDITED)
<Table>
<Caption>
<S> <C>
ASSETS
Investments in securities, at value
Unaffiliated issuers (identified cost $1,211,689,995) $ 822,980,918
Affiliated money market fund (identified cost $66,162,340) 66,162,340
Other affiliated issuers (identified cost $13,076,335) 11,527
-----------------------------------------------------------------------------------------
Total investments in securities (identified cost $1,290,928,670) 889,154,785
Capital shares receivable 2,727,895
Dividends and accrued interest receivable 24,621,619
Receivable for investment securities sold 10,722,081
Other receivable 220,452
-----------------------------------------------------------------------------------------
Total assets 927,446,832
-----------------------------------------------------------------------------------------
LIABILITIES
Dividends payable to shareholders 1,079,069
Capital shares payable 1,174,736
Payable for investment securities purchased 47,332,115
Accrued investment management services fees 28,261
Accrued distribution fees 177,586
Accrued transfer agency fees 10,097
Accrued administrative services fees 3,250
Accrued plan administration services fees 280
Other accrued expenses 195,332
-----------------------------------------------------------------------------------------
Total liabilities 50,000,726
-----------------------------------------------------------------------------------------
Net assets applicable to outstanding capital stock $ 877,446,106
-----------------------------------------------------------------------------------------
REPRESENTED BY
Capital stock -- $.01 par value $ 4,577,329
Additional paid-in capital 2,703,836,895
Excess of distributions over net investment income (1,038,245)
Accumulated net realized gain (loss) (1,428,376,440)
Unrealized appreciation (depreciation) on investments
and on translation of assets and liabilities in foreign currencies (401,553,433)
-----------------------------------------------------------------------------------------
Total -- representing net assets applicable to outstanding capital stock $ 877,446,106
-----------------------------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 29
<PAGE>
STATEMENT OF ASSETS AND LIABILITIES (continued) --------------------------------
<Table>
<Caption>
NET ASSET VALUE PER SHARE
NET ASSETS SHARES OUTSTANDING NET ASSET VALUE PER SHARE
<S> <C> <C> <C>
Class A $713,352,124 372,021,638 $1.92(1)
Class B $ 89,891,192 46,900,987 $1.92
Class C $ 11,662,478 6,121,775 $1.91
Class I $ 49,225,589 25,697,857 $1.92
Class R2 $ 3,413 1,775 $1.92
Class R3 $ 503,624 261,213 $1.93
Class R4 $ 876,565 457,103 $1.92
Class R5 $ 3,253 1,695 $1.92
Class W $ 11,927,868 6,268,887 $1.90
-----------------------------------------------------------------------------------------
</Table>
(1) The maximum offering price per share for Class A is $2.02. The offering
price is calculated by dividing the net asset value by 1.0 minus the maximum
sales charge of 4.75%.
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
30 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
STATEMENT OF OPERATIONS --------------------------------------------------------
SIX MONTHS ENDED NOV. 30, 2008 (UNAUDITED)
<Table>
<Caption>
<S> <C>
INVESTMENT INCOME
Income:
Interest $ 57,489,045
Income distributions from affiliated money market fund 531,653
Less foreign taxes withheld 102,500
--------------------------------------------------------------------------------
Total income 58,123,198
--------------------------------------------------------------------------------
Expenses:
Investment management services fees 3,486,257
Distribution fees
Class A 1,201,245
Class B 658,421
Class C 79,355
Class R2 26
Class R3 178
Class W 22,484
Transfer agency fees
Class A 853,413
Class B 123,578
Class C 14,478
Class R2 2
Class R3 36
Class R4 220
Class R5 1
Class W 17,987
Administrative services fees 394,146
Plan administration services fees
Class R2 13
Class R3 178
Class R4 1,103
Compensation of board members 15,596
Custodian fees 71,420
Printing and postage 144,550
Registration fees 46,124
Professional fees 41,402
Other 11,757
--------------------------------------------------------------------------------
Total expenses 7,183,970
Expenses waived/reimbursed by the Investment Manager and its
affiliates (661,918)
Earnings and bank fee credits on cash balances (10,397)
--------------------------------------------------------------------------------
Total net expenses 6,511,655
--------------------------------------------------------------------------------
Investment income (loss) -- net 51,611,543
--------------------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 31
<PAGE>
STATEMENT OF OPERATIONS (continued) --------------------------------------------
<Table>
<Caption>
<S> <C>
REALIZED AND UNREALIZED GAIN (LOSS) -- NET
Net realized gain (loss) on:
Security transactions $ (61,156,560)
Swap transactions (374,325)
--------------------------------------------------------------------------------
Net realized gain (loss) on investments (61,530,885)
Net change in unrealized appreciation (depreciation) on
investments
and on translation of assets and liabilities in foreign
currencies (326,180,399)
--------------------------------------------------------------------------------
Net gain (loss) on investments and foreign currencies (387,711,284)
--------------------------------------------------------------------------------
Net increase (decrease) in net assets resulting from operations $(336,099,741)
--------------------------------------------------------------------------------
</Table>
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
32 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
STATEMENTS OF CHANGES IN NET ASSETS --------------------------------------------
<Table>
<Caption>
SIX MONTHS ENDED YEAR ENDED
NOV. 30, 2008 MAY 31, 2008
(UNAUDITED)
<S> <C> <C>
OPERATIONS AND DISTRIBUTIONS
Investment income (loss) -- net $ 51,611,543 $ 126,020,300
Net realized gain (loss) on investments (61,530,885) (73,331,801)
Net change in unrealized appreciation (depreciation) on
investments and on translation of assets and liabilities in
foreign currencies (326,180,399) (113,650,004)
---------------------------------------------------------------------------------------------------
Net increase (decrease) in net assets resulting from operations (336,099,741) (60,961,505)
---------------------------------------------------------------------------------------------------
Distributions to shareholders from:
Net investment income
Class A (41,691,845) (92,027,977)
Class B (5,175,486) (14,410,322)
Class C (628,455) (1,392,372)
Class I (2,862,512) (8,054,105)
Class R2 (453) (369)
Class R3 (7,416) (344)
Class R4 (39,914) (82,390)
Class R5 (188) (363)
Class W (773,010) (4,192,045)
Tax return of capital
Class A -- (40,163)
Class B -- (6,289)
Class C -- (608)
Class I -- (3,515)
Class R4 -- (36)
Class W -- (1,829)
---------------------------------------------------------------------------------------------------
Total distributions (51,179,279) (120,212,727)
---------------------------------------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 33
<PAGE>
STATEMENTS OF CHANGES IN NET ASSETS (continued) --------------------------------
<Table>
<Caption>
SIX MONTHS ENDED YEAR ENDED
NOV. 30, 2008 MAY 31, 2008
(UNAUDITED)
<S> <C> <C>
CAPITAL SHARE TRANSACTIONS
Proceeds from sales
Class A shares $ 64,458,594 $ 196,422,904
Class B shares 5,159,258 18,833,838
Class C shares 1,594,148 2,467,245
Class I shares 3,609,635 42,473,426
Class R2 shares 65,652 4,052
Class R3 shares 583,511 --
Class R4 shares 436,186 435,232
Class W shares 2,444,051 112,121,312
Reinvestment of distributions at net asset value
Class A shares 30,163,257 69,001,568
Class B shares 3,996,016 11,411,686
Class C shares 489,770 1,125,071
Class I shares 2,835,445 8,139,335
Class R2 shares 80 38
Class R3 shares 6,624 --
Class R4 shares 39,278 83,570
Class W shares 768,490 4,214,685
Payments for redemptions
Class A shares (201,267,678) (460,100,793)
Class B shares (51,308,662) (151,878,801)
Class C shares (3,908,902) (8,296,094)
Class I shares (8,845,144) (63,573,729)
Class R2 shares (67,143) (183)
Class R3 shares (9,213) --
Class R4 shares (201,327) (734,634)
Class W shares (8,049,420) (116,812,442)
---------------------------------------------------------------------------------------------------
Increase (decrease) in net assets from capital share transactions (157,007,494) (334,662,714)
---------------------------------------------------------------------------------------------------
Total increase (decrease) in net assets (544,286,514) (515,836,946)
Net assets at beginning of period 1,421,732,620 1,937,569,566
---------------------------------------------------------------------------------------------------
Net assets at end of period $ 877,446,106 $1,421,732,620
---------------------------------------------------------------------------------------------------
Excess of distributions over net investment income $ (1,038,245) $ (1,470,509)
---------------------------------------------------------------------------------------------------
</Table>
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
34 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
FINANCIAL HIGHLIGHTS -----------------------------------------------------------
CLASS A
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(l) 2008 2007 2006 2005
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.02 $2.89 $2.86 $2.74
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .11(b) .22(b) .20 .20 .19
Net gains (losses) (both realized and
unrealized) (.82) (.29) .15 .03 .12
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.71) (.07) .35 .23 .31
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.11) (.21) (.22) (.20) (.19)
Tax return of capital -- (.00)(c) -- -- --
--------------------------------------------------------------------------------------------------------------
Total distributions (.11) (.21) (.22) (.20) (.19)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.74 $3.02 $2.89 $2.86
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $713 $1,134 $1,463 $1,535 $1,735
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.14%(f) 1.13% 1.08% 1.08% 1.04%
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) 1.02%(f) 1.10% 1.08% 1.08% 1.04%
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 8.75%(f) 7.71% 6.94% 6.78% 6.67%
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95% 93% 105%
--------------------------------------------------------------------------------------------------------------
Total return(i) (26.68%)(j) (2.40%) 12.77%(k) 8.27% 11.56%
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) Per share amounts have been calculated using the average shares outstanding
method.
(c) Rounds to zero.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits were less than 0.01% of average net
assets for the six months ended Nov. 30, 2008 and for the year ended May 31,
2008.
(i) Total return does not reflect payment of a sales charge.
(j) Not annualized.
(k) During the year ended May 31, 2007, Ameriprise Financial reimbursed the Fund
for a loss on a trading error. Had the Fund not received this reimbursement,
total return would have been lower by 0.01%.
(l) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 35
<PAGE>
FINANCIAL HIGHLIGHTS (continued) -----------------------------------------------
CLASS B
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(l) 2008 2007 2006 2005
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.02 $2.89 $2.86 $2.74
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .10(b) .19(b) .18 .18 .17
Net gains (losses) (both realized and
unrealized) (.82) (.29) .15 .03 .12
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.72) (.10) .33 .21 .29
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.10) (.18) (.20) (.18) (.17)
Tax return of capital -- (.00)(c) -- -- --
--------------------------------------------------------------------------------------------------------------
Total distributions (.10) (.18) (.20) (.18) (.17)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.74 $3.02 $2.89 $2.86
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $90 $174 $321 $433 $629
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.89%(f) 1.89% 1.84% 1.83% 1.79%
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) 1.78%(f) 1.86% 1.84% 1.83% 1.79%
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 7.90%(f) 6.92% 6.18% 6.00% 5.92%
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95% 93% 105%
--------------------------------------------------------------------------------------------------------------
Total return(i) (27.06%)(j) (3.17%) 11.91%(k) 7.45% 10.72%
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) Per share amounts have been calculated using the average shares outstanding
method.
(c) Rounds to zero.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits for the six months ended Nov. 30,
2008 were less than 0.01% of average net assets. The ratio of net expenses
after expense waiver/reimbursement and after reduction for earnings and bank
fee credits was 1.85% for the year ended May 31, 2008.
(i) Total return does not reflect payment of a sales charge.
(j) Not annualized.
(k) During the year ended May 31, 2007, Ameriprise Financial reimbursed the Fund
for a loss on a trading error. Had the Fund not received this reimbursement,
total return would have been lower by 0.01%.
(l) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
36 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
CLASS C
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(l) 2008 2007 2006 2005
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.72 $3.00 $2.87 $2.84 $2.73
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .10(b) .19(b) .18 .18 .17
Net gains (losses) (both realized and
unrealized) (.81) (.29) .15 .03 .11
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.71) (.10) .33 .21 .28
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.10) (.18) (.20) (.18) (.17)
Tax return of capital -- (.00)(c) -- -- --
--------------------------------------------------------------------------------------------------------------
Total distributions (.10) (.18) (.20) (.18) (.17)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.91 $2.72 $3.00 $2.87 $2.84
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $12 $19 $26 $28 $36
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.89%(f) 1.88% 1.83% 1.83% 1.79%
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) 1.77%(f) 1.86% 1.83% 1.83% 1.79%
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 7.99%(f) 6.95% 6.18% 6.02% 5.92%
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95% 93% 105%
--------------------------------------------------------------------------------------------------------------
Total return(i) (26.81%)(j) (3.21%) 11.95%(k) 7.47% 10.35%
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) Per share amounts have been calculated using the average shares outstanding
method.
(c) Rounds to zero.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits for the six months ended Nov. 30,
2008 were less than 0.01% of average net assets. The ratio of net expenses
after expense waiver/reimbursement and after reduction for earnings and bank
fee credits was 1.85% for the year ended May 31, 2008.
(i) Total return does not reflect payment of a sales charge.
(j) Not annualized.
(k) During the year ended May 31, 2007, Ameriprise Financial reimbursed the Fund
for a loss on a trading error. Had the Fund not received this reimbursement,
total return would have been lower by 0.01%.
(l) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 37
<PAGE>
FINANCIAL HIGHLIGHTS (continued) -----------------------------------------------
CLASS I
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(k) 2008 2007 2006 2005
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.73 $3.02 $2.89 $2.86 $2.74
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .11(b) .23(b) .21 .21 .21
Net gains (losses) (both realized and
unrealized) (.81) (.30) .16 .03 .11
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.70) (.07) .37 .24 .32
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.11) (.22) (.24) (.21) (.20)
Tax return of capital -- (.00)(c) -- -- --
--------------------------------------------------------------------------------------------------------------
Total distributions (.11) (.22) (.24) (.21) (.20)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.73 $3.02 $2.89 $2.86
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $49 $72 $97 $24 $--
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) .71%(f) .72% .67% .69% .64%
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) .65%(f) .69% .67% .69% .64%
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 9.16%(f) 8.13% 7.37% 7.49% 7.06%
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95% 93% 105%
--------------------------------------------------------------------------------------------------------------
Total return (26.27%)(i) (2.36%) 13.21%(j) 8.69% 11.97%
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) Per share amounts have been calculated using the average shares outstanding
method.
(c) Rounds to zero.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits were less than 0.01% of average net
assets for the six months ended Nov. 30, 2008 and for the year ended May 31,
2008.
(i) Not annualized.
(j) During the year ended May 31, 2007, Ameriprise Financial reimbursed the Fund
for a loss on a trading error. Had the Fund not received this reimbursement,
total return would have been lower by 0.01%.
(k) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
38 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
CLASS R2
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(j) 2008 2007(b)
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.02 $2.95
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .10(c) .21(c) .11
Net gains (losses) (both realized and
unrealized) (.82) (.29) .05
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.72) (.08) .16
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.10) (.20) (.09)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.74 $3.02
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $-- $-- $--
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.55%(f) 1.51% 1.45%(f)
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) 1.37%(f) 1.25% 1.45%(f)
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 8.68%(f) 7.63% 6.58%(f)
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95%
--------------------------------------------------------------------------------------------------------------
Total return (26.85%)(i) (2.75%) 5.72%(i)
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) For the period from Dec. 11, 2006 (inception date) to May 31, 2007.
(c) Per share amounts have been calculated using the average shares outstanding
method.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits were less than 0.01% of average net
assets for the six months ended Nov. 30, 2008 and for the year ended May 31,
2008.
(i) Not annualized.
(j) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 39
<PAGE>
FINANCIAL HIGHLIGHTS (continued) -----------------------------------------------
CLASS R3
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(j) 2008 2007(b)
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.02 $2.95
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .12(c) .22(c) .11
Net gains (losses) (both realized and
unrealized) (.82) (.29) .06
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.70) (.07) .17
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.11) (.21) (.10)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.93 $2.74 $3.02
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $1 $-- $--
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.29%(f) 1.26% 1.20%(f)
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) 1.20%(f) .99% 1.20%(f)
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 11.54%(f) 7.82% 6.84%(f)
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95%
--------------------------------------------------------------------------------------------------------------
Total return (26.30%)(i) (2.47%) 5.85%(i)
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) For the period from Dec. 11, 2006 (inception date) to May 31, 2007.
(c) Per share amounts have been calculated using the average shares outstanding
method.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits were less than 0.01% of average net
assets for the six months ended Nov. 30, 2008 and for the year ended May 31,
2008.
(i) Not annualized.
(j) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
40 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
CLASS R4
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(k) 2008 2007 2006 2005
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.01 $2.89 $2.86 $2.74
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .11(b) .23(b) .21 .21 .20
Net gains (losses) (both realized and
unrealized) (.82) (.29) .14 .02 .12
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.71) (.06) .35 .23 .32
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.11) (.21) (.23) (.20) (.20)
Tax return of capital -- (.00)(c) -- -- --
--------------------------------------------------------------------------------------------------------------
Total distributions (.11) (.21) (.23) (.20) (.20)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.74 $3.01 $2.89 $2.86
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $1 $1 $1 $1 $1
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) 1.01%(f) 1.02% .94% .90% .87%
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) .79%(f) .76% .93% .90% .87%
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 9.20%(f) 8.07% 7.10% 6.96% 6.84%
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95% 93% 105%
--------------------------------------------------------------------------------------------------------------
Total return (26.60%)(i) (1.87%) 12.56%(j) 8.45% 11.75%
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) Per share amounts have been calculated using the average shares outstanding
method.
(c) Rounds to zero.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits for the six months ended Nov. 30,
2008 were less than 0.01% of average net assets. The ratio of net expenses
after expense waiver/reimbursement and after reduction for earnings and bank
fee credits was 0.75% for the year ended May 31, 2008.
(i) Not annualized.
(j) During the year ended May 31, 2007, Ameriprise Financial reimbursed the Fund
for a loss on a trading error. Had the Fund not received this reimbursement,
total return would have been lower by 0.01%.
(k) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 41
<PAGE>
FINANCIAL HIGHLIGHTS (continued) -----------------------------------------------
CLASS R5
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(j) 2008 2007(b)
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.74 $3.02 $2.95
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .11(c) .22(c) .12
Net gains (losses) (both realized and
unrealized) (.82) (.28) .05
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.71) (.06) .17
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.11) (.22) (.10)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.92 $2.74 $3.02
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $-- $-- $--
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(d),(e) .78%(f) .78% .71%(f)
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(e),(g),(h) .70%(f) .75% .71%(f)
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 9.12%(f) 8.06% 7.33%(f)
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95%
--------------------------------------------------------------------------------------------------------------
Total return (26.56%)(i) (2.06%) 6.09%(i)
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) For the period from Dec. 11, 2006 (inception date) to May 31, 2007.
(c) Per share amounts have been calculated using the average shares outstanding
method.
(d) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(e) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(f) Adjusted to an annual basis.
(g) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(h) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits were less than 0.01% of average net
assets for the six months ended Nov. 30, 2008 and for the year ended May 31,
2008.
(i) Not annualized.
(j) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
42 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
--------------------------------------------------------------------------------
CLASS W
<Table>
<Caption>
PER SHARE INCOME AND CAPITAL CHANGES(a)
Fiscal period ended May 31, 2008(k) 2008 2007(b)
<S> <C> <C> <C> <C> <C>
Net asset value, beginning of period $2.71 $3.00 $2.94
--------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss) .11(c) .21(c) .11
Net gains (losses) (both realized and
unrealized) (.82) (.30) .07
--------------------------------------------------------------------------------------------------------------
Total from investment operations (.71) (.09) .18
--------------------------------------------------------------------------------------------------------------
LESS DISTRIBUTIONS:
Dividends from net investment income (.10) (.20) (.12)
Tax return of capital -- (.00)(d) --
--------------------------------------------------------------------------------------------------------------
Total distributions (.10) (.20) (.12)
--------------------------------------------------------------------------------------------------------------
Net asset value, end of period $1.90 $2.71 $3.00
--------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA
Net assets, end of period (in millions) $12 $23 $30
--------------------------------------------------------------------------------------------------------------
Gross expenses prior to expense
waiver/reimbursement(e),(f) 1.16%(g) 1.17% 1.06%(g)
--------------------------------------------------------------------------------------------------------------
Net expenses after expense
waiver/reimbursement(f),(h),(i) 1.10%(g) 1.14% 1.06%(g)
--------------------------------------------------------------------------------------------------------------
Net investment income (loss) 8.64%(g) 7.59% 6.05%(g)
--------------------------------------------------------------------------------------------------------------
Portfolio turnover rate 28% 64% 95%
--------------------------------------------------------------------------------------------------------------
Total return (26.68%)(j) (2.87%) 6.20%(j)
--------------------------------------------------------------------------------------------------------------
</Table>
(a) For a share outstanding throughout the period. Rounded to the nearest cent.
(b) For the period from Dec. 1, 2006 (inception date) to May 31, 2007.
(c) Per share amounts have been calculated using the average shares outstanding
method.
(d) Rounds to zero.
(e) Expense ratio is before reduction for earnings and bank fee credits on cash
balances.
(f) In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the acquired
funds in which it invests. Such indirect expenses are not included in the
above reported expense ratios.
(g) Adjusted to an annual basis.
(h) The Investment Manager and its affiliates have agreed to waive/reimburse
certain fees and expenses (excluding fees and expenses of acquired funds).
(i) Expense ratio is before reduction for earnings and bank fee credits on cash
balances. Earnings and bank fee credits for the six months ended Nov. 30,
2008 were less than 0.01% of average net assets. The ratio of net expenses
after expense waiver/reimbursement and after reduction for earnings and bank
fee credits was 1.13% for the year ended May 31, 2008.
(j) Not annualized.
(k) Six months ended Nov. 30, 2008 (Unaudited).
The accompanying Notes to Financial Statements are an integral part of this
statement.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 43
<PAGE>
NOTES TO FINANCIAL STATEMENTS --------------------------------------------------
(UNAUDITED AS TO NOV. 30, 2008)
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
RiverSource High Yield Bond Fund (the Fund) is a series of RiverSource High
Yield Income Series, Inc. and is registered under the Investment Company Act of
1940 (as amended) as a diversified, open-end management investment company.
RiverSource High Yield Income Series, Inc. has 10 billion authorized shares of
capital stock that can be allocated among the separate series as designated by
the Board of Directors (the Board). The Fund invests primarily in high-yielding,
high risk corporate bonds, commonly known as junk bonds.
The Fund offers Class A, Class B, Class C, Class I, Class R2, Class R3, Class
R4, Class R5 and Class W shares.
- Class A shares are sold with a front-end sales charge.
- Class B shares may be subject to a contingent deferred sales charge (CDSC)
and automatically convert to Class A shares during the ninth year of
ownership.
- Class C shares may be subject to a CDSC.
- Class I, Class R2, Class R3, Class R4 and Class R5 shares are sold without a
front end sales charge or CDSC and are offered to qualifying institutional
investors.
- Class W shares are sold without a front-end sales charge or CDSC and are
offered through qualifying discretionary accounts.
At Nov. 30, 2008, RiverSource Investments, LLC (RiverSource Investments or the
Investment Manager) and the RiverSource affiliated funds-of-funds owned 100% of
Class I shares and the Investment Manager owned 100% of Class R5 shares.
All classes of shares have identical voting, dividend and liquidation rights.
Class specific expenses (e.g., distribution and service fees, transfer agency
fees, plan administration services fees) differ among classes. Income, expenses
(other than class specific expenses) and realized and unrealized gains or losses
on investments are allocated to each class of shares based upon its relative net
assets.
The Fund's significant accounting policies are summarized below:
USE OF ESTIMATES
Preparing financial statements that conform to U.S. generally accepted
accounting principles requires management to make estimates (e.g., on assets,
liabilities and contingent assets and liabilities) that could differ from actual
results.
--------------------------------------------------------------------------------
44 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
VALUATION OF SECURITIES
Effective June 1, 2008, the Fund adopted Statement of Financial Accounting
Standards No. 157 "Fair Value Measurements" (SFAS 157). SFAS 157 establishes an
authoritative definition of fair value, sets out a hierarchy for measuring fair
value, and requires additional disclosures about the inputs used to develop the
measurements of fair value and the effect of certain measurements reported in
the Statement of Operations for a fiscal period. There was no impact to the
Fund's net assets or results of operations upon adoption. The fair valuation
measurements disclosure can be found following the Notes to Portfolio of
Investments.
All securities are valued at the close of each business day. Securities traded
on national securities exchanges or included in national market systems are
valued at the last quoted sales price. Debt securities are generally traded in
the over-the-counter market and are valued at a price that reflects fair value
as quoted by dealers in these securities or by an independent pricing service.
When market quotes are not readily available, the pricing service, in
determining fair values of debt securities, takes into consideration such
factors as current quotations by broker/dealers, coupon, maturity, quality, type
of issue, trading characteristics, and other yield and risk factors it deems
relevant in determining valuations. Foreign securities are valued based on
quotations from the principal market in which such securities are normally
traded. The procedures adopted by the Board generally contemplate the use of
fair valuation in the event that price quotations or valuations are not readily
available, price quotations or valuations from other sources are not reflective
of market value and thus deemed unreliable, or a significant event has occurred
in relation to a security or class of securities (such as foreign securities)
that is not reflected in price quotations or valuations from other sources. A
fair value price is a good faith estimate of the value of a security at a given
point in time.
Many securities markets and exchanges outside the U.S. close prior to the close
of the New York Stock Exchange and therefore the closing prices for securities
in such markets or on such exchanges may not fully reflect events that occur
after such close but before the close of the New York Stock Exchange, including
significant movements in the U.S. market after foreign exchanges have closed.
Accordingly, in those situations, Ameriprise Financial, Inc. (Ameriprise
Financial), parent company of the Investment Manager, as administrator to the
Fund, will fair value foreign securities pursuant to procedures adopted by the
Board, including utilizing a third party pricing service to determine these fair
values. These procedures take into account multiple factors, including movements
in the U.S. securities markets, to determine a good faith estimate that
reasonably reflects the current market conditions as of the close of the New
York Stock Exchange. Swap transactions are valued through an authorized pricing
service, broker, or an internal model.
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 45
<PAGE>
Short-term securities maturing in more than 60 days from the valuation date are
valued at the market price or approximate market value based on current interest
rates; those maturing in 60 days or less are valued at amortized cost, which
approximates fair value.
ILLIQUID SECURITIES
At Nov. 30, 2008, investments in securities included issues that are illiquid
which the Fund currently limits to 15% of net assets, at market value, at the
time of purchase. The aggregate value of such securities at Nov. 30, 2008 was
$18,834,146 representing 2.15% of net assets. Certain illiquid securities may be
valued by management at fair value according to procedures approved, in good
faith, by the Board. According to Board guidelines, certain unregistered
securities are determined to be liquid and are not included within the 15%
limitation specified above. Assets are liquid if they can be sold or disposed of
in the ordinary course of business within seven days at approximately the value
at which the asset is valued by the Fund.
INVESTMENTS IN LOANS
The senior loans acquired by the Fund typically take the form of a direct
lending relationship with the borrower acquired through an assignment of another
lender's interest in a loan. The lead lender in a typical corporate loan
syndicate administers the loan and monitors collateral. In the event that the
lead lender becomes insolvent, enters FDIC receivership, or, if not FDIC
insured, enters into bankruptcy, the Fund may incur certain costs and delays in
realizing payment, or may suffer a loss of principal and/or interest. Loans are
typically secured but may be unsecured. The primary risk arising from investing
in subordinated loans or in unsecured loans is the potential loss in the event
of default by the issuer of the loans.
SECURITIES PURCHASED ON A FORWARD-COMMITMENT BASIS AND UNFUNDED LOAN COMMITMENTS
Delivery and payment for securities that have been purchased by the Fund on a
forward-commitment basis, including when-issued securities and other forward-
commitments, can take place one month or more after the transaction date. During
this period, such securities are subject to market fluctuations, and they may
affect the Fund's net assets the same as owned securities. The Fund designates
cash or liquid securities at least equal to the amount of its forward-
commitments. At Nov. 30, 2008, the Fund has outstanding when-issued securities
of $7,530,686 and other forward-commitments of $34,448,903.
The Fund may enter into certain credit agreements, all or a portion of which may
be unfunded. The Fund is obligated to fund these loan commitments at the
borrower's discretion. These commitments are disclosed in the Portfolio of
Investments. At Nov. 30, 2008, the Fund has entered into unfunded loan
commitments of $5,509,045.
--------------------------------------------------------------------------------
46 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
OPTION TRANSACTIONS
To produce incremental earnings, protect gains, and facilitate buying and
selling of securities for investments, the Fund may buy and write options traded
on any U.S. or foreign exchange or in the over-the-counter market where
completing the obligation depends upon the credit standing of the other party.
Cash collateral may be collected by the Fund to secure certain over-the-counter
options (OTC options) trades. Cash collateral held by the Fund for such option
trades must be returned to the counterparty upon closure, exercise or expiration
of the contract. The Fund also may buy and sell put and call options and write
covered call options on portfolio securities as well as write cash-secured put
options. The risk in writing a call option is that the Fund gives up the
opportunity for profit if the market price of the security increases. The risk
in writing a put option is that the Fund may incur a loss if the market price of
the security decreases and the option is exercised. The risk in buying an option
is that the Fund pays a premium whether or not the option is exercised. The Fund
also has the additional risk of being unable to enter into a closing transaction
if a liquid secondary market does not exist.
Option contracts are valued daily at the closing prices on their primary
exchanges and unrealized appreciation or depreciation is recorded. Option
contracts, including OTC option contracts, with no readily available market
value are valued using quotations obtained from independent brokers as of the
close of the New York Stock Exchange. The Fund will realize a gain or loss when
the option transaction expires or closes. When options on debt securities or
futures are exercised, the Fund will realize a gain or loss. When other options
are exercised, the proceeds on sales for a written call option, the purchase
cost for a written put option or the cost of a security for a purchased put or
call option is adjusted by the amount of premium received or paid. At Nov. 30,
2008, and for the six months then ended, the Fund had no outstanding option
contracts.
FUTURES TRANSACTIONS
To gain exposure to or protect itself from market changes, the Fund may buy and
sell financial futures contracts traded on any U.S. or foreign exchange. The
Fund also may buy and write put and call options on these futures contracts.
Risks of entering into futures contracts and related options include the
possibility of an illiquid market and that a change in the value of the contract
or option may not correlate with changes in the value of the underlying
securities.
Futures and options on futures are valued daily based upon the last sale price
at the close of the market on the principal exchange on which they are traded.
Upon entering into a futures contract, the Fund is required to deposit either
cash or securities in an amount (initial margin) equal to a certain percentage
of the contract value. Subsequent payments (variation margin) are made or
received by the Fund each day. The variation margin payments are equal to the
daily changes in the contract value and are recorded as unrealized gains and
losses. The Fund
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 47
<PAGE>
recognizes a realized gain or loss when the contract is closed or expires. At
Nov. 30, 2008, the Fund had no outstanding futures contracts.
FOREIGN CURRENCY TRANSLATIONS AND FORWARD FOREIGN CURRENCY CONTRACTS
Securities and other assets and liabilities denominated in foreign currencies
are translated daily into U.S. dollars. Foreign currency amounts related to the
purchase or sale of securities and income and expenses are translated at the
exchange rate on the transaction date. The effect of changes in foreign exchange
rates on realized and unrealized security gains or losses is reflected as a
component of such gains or losses. In the Statement of Operations, net realized
gains or losses from foreign currency transactions, if any, may arise from sales
of foreign currency, closed forward contracts, exchange gains or losses realized
between the trade date and settlement date on securities transactions, and other
translation gains or losses on dividends, interest income and foreign
withholding taxes.
The Fund may enter into forward foreign currency contracts for operational
purposes and to protect against adverse exchange rate fluctuation. The net U.S.
dollar value of foreign currency underlying all contractual commitments held by
the Fund and the resulting unrealized appreciation or depreciation are
determined using foreign currency exchange rates from an independent pricing
service. The Fund is subject to the credit risk that the counterparty will not
complete its contract obligations. At Nov. 30, 2008, the Fund had no outstanding
forward foreign currency contracts.
CMBS TOTAL RETURN SWAP TRANSACTIONS
The Fund may enter into swap agreements to earn the total return on a specified
security or index of fixed income securities. CMBS total return swaps are
bilateral financial contracts designed to replicate synthetically the total
returns of commercial mortgage-backed securities. Under the terms of the swaps,
the Fund either receives or pays the total return on a reference security or
index applied to a notional principal amount. In return, the Fund agrees to pay
or receive from the counterparty a floating rate, which is reset periodically
based on short-term interest rates, applied to the same notional amount.
The notional amounts of swap contracts are not recorded in the financial
statements. Swaps are valued daily, and the change in value is recorded as
unrealized appreciation (depreciation) until the termination of the swap, at
which time realized gain (loss) is recorded. Payments received or made are
recorded as realized gains (losses).
Swap agreements may be subject to liquidity risk, which exists when a particular
swap is difficult to purchase or sell. It may not be possible for the Fund to
initiate a transaction or liquidate a position at an advantageous time or price,
which may result in significant losses. Total return swaps are subject to the
risk that the counterparty will default on its obligation to pay net amounts due
to the
--------------------------------------------------------------------------------
48 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
Fund. At Nov. 30, 2008, the Fund had no outstanding CMBS total return swap
contracts.
CREDIT DEFAULT SWAP TRANSACTIONS
The Fund may enter into credit default swap contracts to increase or decrease
its credit exposure to an issuer, obligation, portfolio, or index of issuers or
obligations, to hedge its exposure on an obligation that it owns or in lieu of
selling such obligations. As the purchaser of a credit default swap contract,
the Fund purchases protection by paying a periodic interest rate on the notional
amount to the counterparty. The interest amount is accrued daily as a component
of unrealized appreciation (depreciation) and is recorded as a realized loss
upon payment. If the credit event specified in the contract occurs, the Fund
will be required to deliver either the referenced obligation or an equivalent
cash amount to the protection seller and in exchange the Fund will receive the
notional amount from the seller. The difference between the value of the
obligation delivered and the notional amount received will be recorded as a
realized gain (loss). As the seller of a credit default swap contract, the Fund
sells protection to a buyer and will generally receive a periodic interest rate
on the notional amount. The interest amount is accrued daily as a component of
unrealized appreciation (depreciation) and is recorded as a realized gain upon
receipt of the payment. If the credit event specified in the contract occurs,
the Fund will receive the referenced obligation or an equivalent cash amount in
exchange for the payment of the notional amount to the protection buyer. The
difference between the value of the obligation received and the notional amount
paid will be recorded as a realized gain (loss). As a protection seller, the
maximum amount of the payment made by the Fund may equal the notional amount, at
par, of the underlying index or security as a result of the related credit
event.
The notional amounts of credit default swap contracts are not recorded in the
financial statements. Any premium paid or received by the Fund upon entering
into a credit default swap contract is recorded as an asset or liability and
amortized daily as a component of realized gain (loss) on the Statement of
Operations. At Nov. 30, 2008, there were no credit default swap contracts
outstanding which had a premium paid or received by the Fund. Credit default
swap contracts are valued daily, and the change in value is recorded as
unrealized appreciation (depreciation) until the termination of the swap, at
which time a realized gain (loss) is recorded.
Credit default swap contracts can involve greater risks than if a fund had
invested in the reference obligation directly since, in addition to general
market risks, credit default swaps are subject to counterparty credit risk,
leverage risk, hedging risk, correlation risk and liquidity risk. The Fund will
enter into credit default swap agreements only with counterparties that meet
certain standards of creditworthiness.
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RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 49
<PAGE>
GUARANTEES AND INDEMNIFICATIONS
Under the Fund's organizational documents, its officers and directors are
indemnified against certain liabilities arising out of the performance of their
duties to the Fund. In addition, certain of the Fund's contracts with its
service providers contain general indemnification clauses. The Fund's maximum
exposure under these arrangements is unknown since the amount of any future
claims that may be made against the Fund cannot be determined and the Fund has
no historical basis for predicting the likelihood of any such claims.
FEDERAL TAXES
The Fund's policy is to comply with Subchapter M of the Internal Revenue Code
that applies to regulated investment companies and to distribute substantially
all of its taxable income to the shareholders. No provision for income or excise
taxes is thus required.
Financial Accounting Standards Board (FASB) Interpretation 48 (FIN 48),
"Accounting for Uncertainty in Income Taxes," clarifies the accounting for
uncertainty in income taxes recognized in accordance with FASB Statement 109,
"Accounting for Income Taxes." FIN 48 provides guidance for how uncertain tax
positions should be recognized, measured, presented and disclosed in the
financial statements. Management of the Fund has concluded that there are no
significant uncertain tax positions that would require recognition in the
financial statements. Generally, the tax authorities can examine all the tax
returns filed for the last three years.
Net investment income (loss) and net realized gains (losses) may differ for
financial statement and tax purposes primarily because of recognition of
unrealized appreciation (depreciation) for certain derivative investments,
investments in partnerships, post-October losses, market discount and losses
deferred due to wash sales. The character of distributions made during the year
from net investment income or net realized gains may differ from their ultimate
characterization for federal income tax purposes. Also, due to the timing of
dividend distributions, the fiscal year in which amounts are distributed may
differ from the year that the income or realized gains (losses) were recorded by
the Fund.
RECENT ACCOUNTING PRONOUNCEMENT
In March 2008, the FASB issued Statement of Financial Accounting Standards No.
161 (SFAS 161), "Disclosures about Derivative Instruments and Hedging
Activities -- an amendment of FASB Statement No. 133," which requires enhanced
disclosures about a fund's derivative and hedging activities. Funds are required
to provide enhanced disclosures about (a) how and why a fund uses derivative
instruments, (b) how derivative instruments and related hedged items are
accounted for under SFAS 133 and its related interpretations, and (c) how
derivative instruments and related hedged items affect a fund's financial
position, financial performance, and cash flows. SFAS 161 is effective for
financial
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50 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
statements issued for periods beginning after Nov. 15, 2008. As of Nov. 30,
2008, management does not believe the adoption of SFAS 161 will impact the
financial statement amounts; however, additional footnote disclosures may be
required about the use of derivative instruments and hedging items.
DIVIDENDS TO SHAREHOLDERS
Dividends from net investment income, declared daily and payable monthly, when
available, are reinvested in additional shares of the Fund at net asset value or
payable in cash. Capital gains, when available, are distributed along with the
last income dividend of the calendar year.
OTHER
Security transactions are accounted for on the date securities are purchased or
sold. Dividend income, if any, is recognized on the ex-dividend date. Non-cash
dividends or interest included in investment income, if any, are recorded at the
fair market value of the security received. Interest income, including
amortization of premium, market discount and original issue discount using the
effective interest method, is accrued daily. The Fund may place a debt security
on non-accrual status and reduce related interest income when it becomes
probable that the interest will not be collected and the amount of uncollectible
interest can be reasonably estimated. A defaulted debt security is removed from
non-accrual status when the issuer resumes interest payments or when
collectability of interest is reasonably assured.
2. EXPENSES AND SALES CHARGES
INVESTMENT MANAGEMENT SERVICES FEES
Under an Investment Management Services Agreement, the Investment Manager
determines which securities will be purchased, held or sold. The management fee
is a percentage of the Fund's average daily net assets that declines from 0.59%
to 0.36% annually as the Fund's assets increase. The management fee for the six
months ended Nov. 30, 2008 was 0.59% of the Fund's average daily net assets.
ADMINISTRATIVE SERVICES FEES
Under an Administrative Services Agreement, the Fund pays Ameriprise Financial a
fee for administration and accounting services at a percentage of the Fund's
average daily net assets that declines from 0.07% to 0.04% annually as the
Fund's assets increase. The fee for the six months ended Nov. 30, 2008 was 0.07%
of the Fund's average daily net assets.
OTHER FEES
Other expenses are for, among other things, certain expenses of the Fund or the
Board including: Fund boardroom and office expense, employee compensation,
employee health and retirement benefits, and certain other expenses. Payment of
these Fund and Board expenses is facilitated by a company providing limited
--------------------------------------------------------------------------------
RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 51
<PAGE>
administrative services to the Fund and the Board. For the six months ended Nov.
30, 2008, other expenses paid to the company were $3,522.
COMPENSATION OF BOARD MEMBERS
Under a Deferred Compensation Plan (the Plan), non-interested board members may
defer receipt of their compensation. Deferred amounts are treated as though
equivalent dollar amounts had been invested in shares of the Fund or other
RiverSource funds. The Fund's liability for these amounts is adjusted for market
value changes and remains in the Fund until distributed in accordance with the
Plan.
TRANSFER AGENCY FEES
Under a Transfer Agency Agreement, RiverSource Service Corporation (the Transfer
Agent) maintains shareholder accounts and records. The Fund pays the Transfer
Agent an annual account-based fee at a rate equal to $20.50 for Class A, $21.50
for Class B and $21.00 for Class C for this service. The Fund also pays the
Transfer Agent an annual asset-based fee at a rate of 0.05% of the Fund's
average daily net assets attributable to Class R2, Class R3, Class R4 and Class
R5 shares and an annual asset-based fee at a rate of 0.20% of the Fund's average
daily net assets attributable to Class W shares.
The Transfer Agent charges an annual fee of $5 per inactive account, charged on
a pro rata basis for 12 months from the date the account becomes inactive. These
fees are included in the transfer agency fees on the Statement of Operations.
PLAN ADMINISTRATION SERVICES FEES
Under a Plan Administration Services Agreement with the Transfer Agent, the Fund
pays an annual fee at a rate of 0.25% of the Fund's average daily net assets
attributable to Class R2, Class R3 and Class R4 shares for the provision of
various administrative, recordkeeping, communication and educational services.
DISTRIBUTION FEES
The Fund has agreements with RiverSource Distributors, Inc. and RiverSource Fund
Distributors, Inc. (collectively, the Distributor) for distribution and
shareholder services. Under a Plan and Agreement of Distribution pursuant to
Rule 12b-1, the Fund pays a fee at an annual rate of up to 0.25% of the Fund's
average daily net assets attributable to Class A, Class R3 and Class W shares, a
fee at an annual rate of up to 0.50% of the Fund's average daily net assets
attributable to Class R2 shares and a fee at an annual rate of up to 1.00% of
the Fund's average daily net assets attributable to Class B and Class C shares.
For Class B and Class C shares, up to 0.75% of the fee is reimbursed for
distribution expenses.
The amount of distribution expenses incurred by the Distributor and not yet
reimbursed ("unreimbursed expense") was approximately $3,630,000 and $123,000
for Class B and Class C shares, respectively. These amounts are based on the
most recent information available as of Oct. 31, 2008, and may be
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52 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
recovered from future payments under the distribution plan or CDSC. To the
extent the unreimbursed expense has been fully recovered, the distribution fee
is reduced.
SALES CHARGES
Sales charges received by the Distributor for distributing Fund shares were
$223,408 for Class A, $45,061 for Class B and $892 for Class C for the six
months ended Nov. 30, 2008.
EXPENSES WAIVED/REIMBURSED BY THE INVESTMENT MANAGER AND ITS AFFILIATES
For the six months ended Nov. 30, 2008, the Investment Manager and its
affiliates waived/reimbursed certain fees and expenses such that net expenses
(excluding fees and expenses of acquired funds*) were as follows:
<Table>
<S> <C>
Class A............................................. 1.02%
Class B............................................. 1.78
Class C............................................. 1.77
Class I............................................. 0.65
Class R2............................................ 1.37
Class R3............................................ 1.20
Class R4............................................ 0.79
Class R5............................................ 0.70
Class W............................................. 1.10
</Table>
The waived/reimbursed fees and expenses for the transfer agency fees at the
class level were as follows:
<Table>
<S> <C>
Class A.......................................... $276,815
Class B.......................................... 37,984
Class C.......................................... 4,956
</Table>
The waived/reimbursed fees and expenses for the plan administration services
fees at the class level were as follows:
<Table>
<S> <C>
Class R2............................................ $4
Class R3............................................ 3
Class R4............................................ 692
</Table>
The management fees waived/reimbursed at the Fund level were $341,464.
The Investment Manager and its affiliates have contractually agreed to waive
certain fees and expenses until May 31, 2009, unless sooner terminated at the
discretion of the Board, such that net expenses (excluding fees and expenses of
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RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 53
<PAGE>
acquired funds*) will not exceed the following percentage of the Fund's average
daily net assets:
<Table>
<S> <C>
Class A............................................. 1.02%
Class B............................................. 1.78
Class C............................................. 1.77
Class I............................................. 0.65
Class R2............................................ 1.45
Class R3............................................ 1.20
Class R4............................................ 0.95
Class R5............................................ 0.70
Class W............................................. 1.10
</Table>
* In addition to the fees and expenses which the Fund bears directly, the Fund
indirectly bears a pro rata share of the fees and expenses of the funds in
which it invests (also referred to as "acquired funds"), including
affiliated and non-affiliated pooled investment vehicles (including mutual
funds and exchange traded funds). Because the acquired funds have varied
expense and fee levels and the Fund may own different proportions of
acquired funds at different times, the amount of fees and expenses incurred
indirectly by the Fund will vary.
EARNINGS AND BANK FEE CREDITS
During the six months ended Nov. 30, 2008, the Fund's custodian and transfer
agency fees were reduced by $10,397 as a result of earnings and bank fee credits
from overnight cash balances.
3. SECURITIES TRANSACTIONS
Cost of purchases and proceeds from sales of securities (other than short-term
obligations) aggregated $312,041,673 and $471,073,686, respectively, for the six
months ended Nov. 30, 2008. Realized gains and losses are determined on an
identified cost basis.
4. CAPITAL SHARE TRANSACTIONS
Transactions in shares of capital stock for the periods indicated are as
follows:
<Table>
<Caption>
SIX MONTHS ENDED NOV. 30, 2008
ISSUED FOR
REINVESTED NET
SOLD DISTRIBUTIONS REDEEMED INCREASE (DECREASE)
----------------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Class A 26,253,987 12,680,050 (81,341,344) (42,407,307)
Class B 2,121,676 1,672,026 (20,349,213) (16,555,511)
Class C 685,481 206,926 (1,630,769) (738,362)
Class I 1,510,295 1,196,711 (3,525,716) (818,710)
Class R2 25,004 30 (26,434) (1,400)
Class R3 260,569 3,353 (4,404) 259,518
Class R4 187,394 16,813 (83,181) 121,026
Class W 974,097 323,510 (3,319,937) (2,022,330)
----------------------------------------------------------------------------------
</Table>
--------------------------------------------------------------------------------
54 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
<Table>
<Caption>
YEAR ENDED MAY 31, 2008
ISSUED FOR
REINVESTED NET
SOLD DISTRIBUTIONS REDEEMED INCREASE (DECREASE)
----------------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Class A 69,812,179 24,649,149 (164,712,404) (70,251,076)
Class B 6,671,784 4,066,883 (53,611,257) (42,872,590)
Class C 885,681 404,210 (2,987,355) (1,697,464)
Class I 14,766,534 2,910,381 (23,351,195) (5,674,280)
Class R2 1,533 14 (67) 1,480
Class R4 154,704 29,801 (263,793) (79,288)
Class W 39,481,557 1,512,140 (42,718,599) (1,724,902)
----------------------------------------------------------------------------------
</Table>
5. AFFILIATED MONEY MARKET FUND
The Fund may invest its daily cash balance in RiverSource Short-Term Cash Fund,
a money market fund established for the exclusive use of the RiverSource funds
and other institutional clients of RiverSource Investments. The cost of the
Fund's purchases and proceeds from sales of shares of the RiverSource Short-Term
Cash Fund aggregated $326,203,118 and $285,826,516, respectively, for the six
months ended Nov. 30, 2008. The income distributions received with respect to
the Fund's investment in RiverSource Short-Term Cash Fund can be found on the
Statement of Operations and the Fund's invested balance in RiverSource Short-
Term Cash Fund at Nov. 30, 2008, can be found in the Portfolio of Investments.
6. BANK BORROWINGS
The Fund has entered into a revolving credit facility with a syndicate of banks
led by JPMorgan Chase Bank, N.A. (the Administrative Agent), whereby the Fund
may borrow for the temporary funding of shareholder redemptions or for other
temporary or emergency purposes. The credit facility became effective on Oct.
16, 2008, replacing a prior credit facility. The credit facility agreement,
which is a collective agreement between the Fund and certain other RiverSource
funds, severally and not jointly, permits collective borrowings up to $475
million. The borrowers shall have the right, upon written notice to the
Administrative Agent to request an increase of up to $175 million in the
aggregate amount of the credit facility from new or existing lenders, provided
that the aggregate amount of the credit facility shall at no time exceed $650
million. Participation in such increase by any existing lender shall be at such
lender's sole discretion. Interest is charged to each Fund based on its
borrowings at a rate equal to the federal funds rate plus 0.75%. Each borrowing
under the credit facility matures no later than 60 days after the date of
borrowing. The Fund also pays a commitment fee equal to its pro rata share of
the amount of the credit facility at a rate of 0.06% per annum, in addition to
an upfront fee equal to its pro rata
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RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 55
<PAGE>
share of 0.02% of the amount of the credit facility. The Fund had no borrowings
during the six months ended Nov. 30, 2008.
Under the prior credit facility which was effective until Oct. 15, 2008, the
Fund had entered into a revolving credit facility with a syndicate of banks
headed by JPMorgan Chase Bank, N.A., whereby the Fund was permitted to borrow
for the temporary funding of shareholder redemptions or for other temporary or
emergency purposes. The credit facility agreement, which was a collective
agreement between the Fund and certain other RiverSource funds, severally and
not jointly, permitted collective borrowings up to $500 million. Interest was
charged to each Fund based on its borrowings at a rate equal to the federal
funds rate plus 0.30%. Each borrowing under the credit facility matured no later
than 60 days after the date of borrowing. The Fund also paid a commitment fee
equal to its pro rata share of the amount of the credit facility at a rate of
0.06% per annum.
7. CAPITAL LOSS CARRY-OVER
For federal income tax purposes, the Fund had a capital loss carry-over of
$1,320,916,274 at May 31, 2008, that if not offset by capital gains will expire
as follows:
<Table>
<Caption>
2009 2010 2011 2014 2016
<S> <C> <C> <C> <C>
$226,001,198 $517,121,802 $552,664,309 $19,078,058 $6,050,907
</Table>
Because the measurement periods for a regulated investment company's income are
different for excise tax purposes versus income tax purposes, special rules are
in place to protect the amount of earnings and profits needed to support excise
tax distributions. As a result, the Fund is permitted to treat net capital
losses realized between Nov. 1, 2007 and its fiscal year end ("post-October
loss") as occurring on the first day of the following tax year. At May 31, 2008,
the Fund had a post-October loss of $55,632,789 that is treated for income tax
purposes as occurring on June 1, 2008.
It is unlikely the Board will authorize a distribution of any net realized
capital gains until the available capital loss carry-over has been offset or
expires.
8. INFORMATION REGARDING PENDING AND SETTLED LEGAL PROCEEDINGS
In June 2004, an action captioned John E. Gallus et al. v. American Express
Financial Corp. and American Express Financial Advisors Inc., was filed in the
United States District Court for the District of Arizona. The plaintiffs allege
that they are investors in several American Express Company mutual funds and
they purport to bring the action derivatively on behalf of those funds under the
Investment Company Act of 1940. The plaintiffs allege that fees allegedly paid
to
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56 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
<PAGE>
the defendants by the funds for investment advisory and administrative services
are excessive. The plaintiffs seek remedies including restitution and rescission
of investment advisory and distribution agreements. The plaintiffs voluntarily
agreed to transfer this case to the United States District Court for the
District of Minnesota. In response to defendants' motion to dismiss the
complaint, the Court dismissed one of plaintiffs' four claims and granted
plaintiffs limited discovery. Defendants moved for summary judgment in April
2007. Summary judgment was granted in the defendants' favor on July 9, 2007. The
plaintiffs filed a notice of appeal with the Eighth Circuit Court of Appeals on
August 8, 2007.
In December 2005, without admitting or denying the allegations, American Express
Financial Corporation (AEFC, which is now known as Ameriprise Financial, Inc.
(Ameriprise Financial)), entered into settlement agreements with the Securities
and Exchange Commission (SEC) and Minnesota Department of Commerce (MDOC)
related to market timing activities. As a result, AEFC was censured and ordered
to cease and desist from committing or causing any violations of certain
provisions of the Investment Advisers Act of 1940, the Investment Company Act of
1940, and various Minnesota laws. AEFC agreed to pay disgorgement of $10 million
and civil money penalties of $7 million. AEFC also agreed to retain an
independent distribution consultant to assist in developing a plan for
distribution of all disgorgement and civil penalties ordered by the SEC in
accordance with various undertakings detailed at
http://www.sec.gov/litigation/admin/ia-2451.pdf. Ameriprise Financial and its
affiliates have cooperated with the SEC and the MDOC in these legal proceedings,
and have made regular reports to the RiverSource Funds' Boards of
Directors/Trustees.
On November 7, 2008, RiverSource Investments, LLC, a subsidiary of Ameriprise
Financial, Inc., acquired J. & W. Seligman & Co., Inc. (Seligman). In late 2003,
Seligman conducted an extensive internal review concerning mutual fund trading
practices. Seligman's review, which covered the period 2001-2003, noted one
arrangement that permitted frequent trading in certain open-end registered
investment companies managed by Seligman (the Seligman Funds); this arrangement
was in the process of being closed down by Seligman before September 2003.
Seligman identified three other arrangements that permitted frequent trading,
all of which had been terminated by September 2002. In January 2004, Seligman,
on a voluntary basis, publicly disclosed these four arrangements to its clients
and to shareholders of the Seligman Funds. Seligman also provided information
concerning mutual fund trading practices to the SEC and the Office of the
Attorney General of the State of New York (NYAG). In September 2005, the New
York staff of the SEC indicated that it was considering recommending to the
Commissioners of the SEC the instituting of a formal action against Seligman and
the distributor of the Seligman Funds, Seligman Advisors, Inc., relating to
frequent trading in the Seligman Funds. Seligman responded to the staff in
October 2005 that it believed that any action would be
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RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 57
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both inappropriate and unnecessary, especially in light of the fact that
Seligman had previously resolved the underlying issue with the Independent
Directors of the Seligman Funds and made recompense to the affected Seligman
Funds.
In September 2006, the NYAG commenced a civil action in New York State Supreme
Court against Seligman, Seligman Advisors, Inc., Seligman Data Corp. (transfer
agent for the Seligman Funds) and Brian T. Zino (collectively, the Seligman
Parties), alleging, in substance, that, in addition to the four arrangements
noted above, the Seligman Parties permitted other persons to engage in frequent
trading and, as a result, the prospectus disclosure used by the registered
investment companies managed by Seligman is and has been misleading. The NYAG
included other related claims and also claimed that the fees charged by Seligman
to the Seligman Funds were excessive. The NYAG is seeking damages of at least
$80 million and restitution, disgorgement, penalties and costs and injunctive
relief. The Seligman Parties answered the complaint in December 2006 and believe
that the claims are without merit. Any resolution of these matters may include
the relief noted above or other sanctions or changes in procedures. Any damages
would be paid by Seligman and not by the Seligman Funds. If the NYAG obtains
injunctive relief, each of Seligman, RiverSource Investments and their
affiliates could, in the absence of the SEC in its discretion granting exemptive
relief, be enjoined from providing advisory and underwriting services to the
Seligman Funds and other registered investment companies including those funds
in the RiverSource complex of funds. Neither Seligman nor RiverSource
Investments believes that the foregoing legal action or other possible actions
will have a material adverse impact on Seligman, RiverSource Investments or
their current or former clients, including the Seligman Funds and other
investment companies managed by RiverSource Investments; however, there can be
no assurance of this or that these matters and any related publicity will not
affect demand for shares of the Seligman Funds and such other investment
companies or have other adverse consequences.
Ameriprise Financial and certain of its affiliates have historically been
involved in a number of legal, arbitration and regulatory proceedings, including
routine litigation, class actions, and governmental actions, concerning matters
arising in connection with the conduct of their business activities. Ameriprise
Financial believes that the Funds are not currently the subject of, and that
neither Ameriprise Financial nor any of its affiliates are the subject of, any
pending legal, arbitration or regulatory proceedings that are likely to have a
material adverse effect on the Funds or the ability of Ameriprise Financial or
its affiliates to perform under their contracts with the Funds. Ameriprise
Financial is required to make 10-Q, 10-K and, as necessary, 8-K filings with the
Securities and Exchange Commission on legal and regulatory matters that relate
to Ameriprise Financial and its affiliates. Copies of these filings may be
obtained by accessing the SEC website at www.sec.gov.
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58 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
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There can be no assurance that these matters, or the adverse publicity
associated with them, will not result in increased fund redemptions, reduced
sale of fund shares or other adverse consequences to the Funds. Further,
although we believe proceedings are not likely to have a material adverse effect
on the Funds or the ability of Ameriprise Financial or its affiliates to perform
under their contracts with the Funds, these proceedings are subject to
uncertainties and, as such, we are unable to estimate the possible loss or range
of loss that may result. An adverse outcome in one or more of these proceedings
could result in adverse judgments, settlements, fines, penalties or other relief
that could have a material adverse effect on the consolidated financial
condition or results of operations of Ameriprise Financial.
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RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT 59
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PROXY VOTING -------------------------------------------------------------------
The policy of the Board is to vote the proxies of the companies in which the
Fund holds investments consistent with the procedures as stated in the Statement
of Additional Information (SAI). You may obtain a copy of the SAI without charge
by calling RiverSource Funds at (888) 791-3380; contacting your financial
institution; visiting riversource.com/funds; or searching the website of the
Securities and Exchange Commission (SEC) at http://www.sec.gov. Information
regarding how the Fund voted proxies relating to portfolio securities is filed
with the SEC by August 31 for the most recent 12-month period ending June 30 of
that year, and is available without charge by visiting riversource.com/funds; or
searching the website of the SEC at www.sec.gov.
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60 RIVERSOURCE HIGH YIELD BOND FUND -- 2008 SEMIANNUAL REPORT
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RIVERSOURCE HIGH YIELD BOND FUND
734 Ameriprise Financial Center
Minneapolis, MN 55474
RIVERSOURCE.COM/FUNDS
<Table>
<S> <C> <C>
This report must be accompanied or preceded by the Fund's
current prospectus. RiverSource(R) mutual funds are
distributed by RiverSource Distributors, Inc., and
RiverSource Fund Distributors, Inc., Members FINRA, and
managed by RiverSource Investments, LLC. RiverSource is part
of Ameriprise Financial, Inc.
(RIVERSOURCE INVESTMENTS LOGO) (C) 2009 RiverSource Investments, LLC. S-6470 Z (1/09)
</Table>
</TEXT>
</DOCUMENT>