Form 10-Q

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer x Accelerated filer ¨ Non-accelerated filer ¨ Smaller reporting company ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No x

The number of shares of common stock of the registrant outstanding as of September 30, 2008 was 39,521,295.

Certain 2007 amounts have been reclassified to conform to the 2008 presentation.

Net interest payments (net of amounts capitalized) for the nine months ended September 30, 2008 and 2007 were $18.6 million and $15.3 million, respectively. Net income tax payments (refunds) for the nine months ended September 30, 2008 and 2007 were $(5.6) million and $22.7 million, respectively.

Not included in additions to plant and properties for the nine months ended September 30, 2008 and 2007, were non-cash transactions totaling $51.2 million and $66.5 million, respectively, for the purchase of timberlands.

Certain 2007 amounts have been reclassified to conform to the 2008 presentation.

For purposes of this report, any reference to “Potlatch,” “the company,” “we,” “us,” and “our” means Potlatch Corporation and all of its wholly owned subsidiaries, except where the context indicates otherwise.

Potlatch is a real estate investment trust, or REIT, for federal income tax purposes. The REIT tax rules require that we derive most of our income, other than income generated by a taxable REIT subsidiary, from investments in real estate, which for us primarily consists of income from the sale of standing timber. Our wholly owned taxable REIT subsidiary, Potlatch Forest Products Corporation, or Potlatch TRS, holds substantially all of our non-timberland assets, consisting primarily of our manufacturing facilities engaged in the production of wood products, pulp and paperboard and tissue products; assets used for the harvesting of timber and the sale of logs; and selected land parcels that we expect will be sold or developed for higher and better use purposes.

The accompanying Condensed Balance Sheets at September 30, 2008 and December 31, 2007, the Statements of Operations and Comprehensive Income for the quarters and nine months ended September 30, 2008 and 2007, and the Condensed Statements of Cash Flows for the nine months ended September 30, 2008 and 2007 have been prepared in conformity with accounting principles generally accepted in the United States of America. We believe that all adjustments necessary for a fair statement of the results of such interim periods have been included.

On March 27, 2008, we announced the permanent closure of our Prescott, Arkansas lumber mill due to poor market conditions. The mill permanently ceased operations in May 2008. As a result, the Prescott operation has been classified as “discontinued operations” in the financial statements for the quarter and nine months ended September 30, 2008. Comparative amounts for 2007 related to the results of operations for the Prescott lumber mill have been reclassified to conform to the 2008 presentation.

On March 30, 2007, we entered into a definitive agreement for the sale of our hybrid poplar tree farm in Boardman, Oregon. The sale was completed in May 2007. As a result, the Boardman operation was classified as “discontinued operations” in the financial statements for the quarter and nine months ended September 30, 2007.

Except for adjustments to the carrying value of the Prescott and Boardman operations, made in conjunction with the closure and sale announcements, respectively, and pursuant to Financial Accounting Standards Board, or FASB, Statement of Financial Accounting Standards, or SFAS, No. 144, “Accounting for the Impairment or Disposal of Long-Lived Assets,” all adjustments were of a normal recurring nature. There were no material nonrecurring adjustments.

On April 17, 2008, we announced that our board of directors authorized management to evaluate a potential spin-off of our pulp-based manufacturing businesses, which would include our Consumer Products and our Pulp and Paperboard segments. Also included in the potential spin-off would be our Lewiston, Idaho lumber mill because it occupies the same site as our pulp-based operations in Lewiston. On July 17, 2008, our board of directors approved the plan to pursue this spin-off of our pulp-based businesses into a publicly traded company called Clearwater Paper Corporation, or Clearwater. We initially planned on capitalizing Clearwater with $175 million of high yield notes, the proceeds of which were going to be paid to us. With the credit markets in the current state of instability, this does not appear to be a viable approach. However, we developed a comparable approach to capitalizing Clearwater, which entails two steps. First, Clearwater will increase its anticipated revolver from $75 million to approximately $120 million, and then immediately draw $50 million and remit that cash to us. Second, Clearwater will retain the obligation to repay the $100 million liability for our credit sensitive debentures. The debentures will remain on our balance sheet post spin-off and a note receivable from Clearwater will be recorded. We expect the transaction to be completed during the fourth quarter of 2008, subject to final board approval based on regulatory, market and other conditions.

This Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2007, as filed with the Securities and Exchange Commission on February 20, 2008.

In September 2006, the FASB issued SFAS No. 157, “Fair Value Measurements.” This Statement defines fair value, establishes a framework for measuring fair value under generally accepted accounting principles, and expands disclosures about fair value measurements. This Statement applies under other accounting pronouncements that require or permit fair value measurements, the FASB board having previously concluded in those accounting pronouncements that fair value is the relevant measurement attribute. Accordingly, this Statement does not require any new fair value measurements. However, for some entities, the application of this Statement will change current practice. SFAS No. 157 (as amended by FASB Staff Position, or FSP, FAS No. 157-2) is effective for financial statements issued for fiscal years beginning after November 15, 2007, and interim periods within those fiscal years, for financial assets and liabilities, and nonfinancial assets and nonfinancial liabilities that are recognized or disclosed at fair value in the financial statements on a recurring basis (at least annually). In November 2007, the effective date was partially deferred by the FASB for one year for nonfinancial assets and nonfinancial liabilities that are recognized or disclosed at fair market value in the financial statements on a nonrecurring basis. With the exception of the deferred portion of SFAS No. 157, we adopted this Statement effective January 1, 2008, which did not have a material effect on our financial condition and results of operations. We are currently reviewing the deferred portion of this Statement to determine what effect, if any, it will have on our financial condition and results of operations.

In December 2007, the FASB issued SFAS No. 160, “Noncontrolling Interests in Consolidated Financial Statements – an amendment of ARB No. 51.” This Statement requires all companies to report noncontrolling or minority interests in subsidiaries as equity in the consolidated financial statements. The intention of SFAS No. 160 is to eliminate the diversity in practice regarding the accounting for transactions between a company and noncontrolling interests. SFAS No. 160 is effective for fiscal years, and interim periods within those fiscal years, beginning on or after December 15, 2008. We are currently reviewing this Statement to determine what effect, if any, it will have on our financial condition and results of operations.

In December 2007, the FASB also issued SFAS No. 141 (Revised 2007), “Business Combinations.” This revised Statement, which we refer to as SFAS No. 141R, is intended to simplify existing guidance and converge rulemaking under U.S. GAAP with international accounting rules. SFAS No. 141R will significantly change the accounting for business combinations in a number of areas, including the treatment of contingent consideration, contingencies, acquisition costs and restructuring costs. Also under this Statement, changes in deferred tax asset valuation allowances and acquired income tax uncertainties in a business combination after the measurement period will have an impact on income tax expense. SFAS No. 141R is effective for fiscal years beginning after December 15, 2008. Adoption of this Statement is not expected to have a material effect on our financial condition and results of operations.

In March 2008, the FASB issued SFAS No. 161, “Disclosures about Derivative Instruments and Hedging Activities – an amendment of SFAS No. 133.” This Statement amends and expands the disclosure requirements by requiring qualitative disclosures about objectives and strategies for using derivatives, quantitative disclosures about fair value amounts of, and gains and losses on, derivative instruments, and disclosures about credit risk-related contingent features in derivative agreements. SFAS No. 161 is effective for financial statements issued for fiscal years and interim periods beginning after November 15, 2008. We are currently reviewing this Statement to determine what effect, if any, it will have on our financial condition and results of operations.

In May 2008, the FASB issued SFAS No. 162, “The Hierarchy of Generally Accepted Accounting Principles.” This Statement identifies the sources of accounting principles and the framework for selecting the principles to be used in the preparation of financial statements of nongovernmental entities that are presented in conformity with generally accepted accounting principles in the United States. This Statement is effective November 15, 2008. This Statement is not expected to result in a change in our current practice.

As a REIT, if we meet certain requirements, we generally will not be subject to federal corporate income taxes on our ordinary and capital gains income from our real estate investments that we distribute to our shareholders. We will, however, be subject to corporate taxes on built-in gains (the excess of fair market value at January 1, 2006 over

tax basis on that date) with respect to the sale of any real property owned at such date by the REIT within the first ten years following our conversion. The built-in gains tax is eliminated or deferred if sale proceeds are reinvested in like-kind property in accordance with the like-kind exchange provisions of the Internal Revenue Code. The built-in gains tax is not applicable to the sale of timber pursuant to a stumpage sales agreement.

We will continue to incur federal and state corporate income taxes on earnings from our manufacturing operations and real estate activities conducted by Potlatch TRS. For the quarter ended September 30, 2008, we recorded an income tax benefit of $5.1 million, compared to $1.7 million for the quarter ended September 30, 2007, related to continuing operations. The income tax benefit for the third quarter of 2008 was due primarily to operating losses of Potlatch TRS. The income tax benefit for the third quarter of 2007 was the result of an income tax benefit of $3.5 million due to the final determinations of amounts owed to the Internal Revenue Service for the years 1995-2004. Excluding this benefit, the company recorded an income tax provision of $1.8 million in the third quarter of 2007, which was largely related to pre-tax income of Potlatch TRS.

For the nine months ended September 30, 2008, we recorded an income tax benefit of $12.8 million, compared to $0.4 million for the same period in 2007, related to continuing operations. The income tax benefit for the first nine months of 2008 was largely related to operating losses of Potlatch TRS. The income tax benefit for the first nine months of 2007 was largely due to the income tax benefit resulting from final determination of amounts owed to the Internal Revenue Service for the years 1995-2004, net of an income tax provision of $2.6 million with respect to operating income of Potlatch TRS.

Our federal income tax returns from 1995 through 2004 have been examined by the Internal Revenue Service, and the resulting deficiency paid in 2007. Amended state tax returns reflecting the federal adjustments have been filed and associated taxes and interest paid.

A review of the company’s tax positions at September 30, 2008, pursuant to the provisions of FASB Interpretation No. 48, “Accounting for Uncertainty in Income Taxes,” indicates that no uncertain tax positions were taken during the first nine months of 2008, and no information came to light that would require derecognition of previously taken positions.

We reflect accrued interest related to tax obligations, as well as penalties, in our provision for income taxes. During the quarters ended September 30, 2008 and 2007, we reflected less than $0.1 million in each quarter, for interest and penalties. For the nine months ended September 30, 2008 and 2007, we reflected less than $0.1 million and approximately $0.4 million, respectively, for interest and penalties. At September 30, 2008 and December 31, 2007, we had less than $0.1 million and approximately $0.1 million, respectively, accrued for the payment of interest and penalties.

In January 2007, we recorded a pre-tax charge of $2.8 million associated with a restructuring within our Resource segment. The charge represented estimated severance benefit costs for 35 employees. A reduction to this charge of $0.1 million was recorded in the third quarter of 2007. There were no restructuring charges in the first nine months of 2008.

On March 27, 2008, we announced the permanent closure of our Prescott, Arkansas lumber mill due to poor market conditions. The mill continued processing its remaining inventory of logs and permanently ceased operations in May 2008, affecting approximately 182 employees. As a result of this closure, we recorded an after-tax charge of $12.4 million for the nine months ended September 30, 2008. The charge represents estimated costs associated with the adjustment of assets to estimated fair market value, as well as approximately $1.4 million in severance benefits, approximately $0.8 million associated with the curtailment of the hourly defined benefit pension plan for the Prescott employees, and approximately $0.6 million in other costs associated with the closure. For the quarter and nine months ended September 30, 2008, after-tax operating losses of $0.2 million and $2.5 million, respectively, which were previously included in the operating results of our Wood Products segment, are classified as discontinued

operations in the Statements of Operations and Comprehensive Income. For the quarter and nine months ended September 30, 2007, we recorded after-tax operating losses of $1.4 million and $1.9 million, respectively. Revenues for the Prescott operation, which were previously included in our Wood Products segment revenues, were $18.7 million for the nine months ended September 30, 2008, and $15.5 million and $47.6 million for the quarter and nine months ended September 30, 2007, respectively.

The assets of the Prescott lumber mill are presented in the Condensed Balance Sheets under the caption “Assets held for sale” at September 30, 2008. Included in the “Assets held for sale” amount are the estimated fair market values of storeroom inventories and property, plant and equipment. There are no liabilities associated with the Prescott assets held for sale.

In March 2007, we announced the sale of our hybrid poplar tree farm in Boardman, Oregon, for $65 million in cash. The sale was completed in May 2007. We applied a large portion of the proceeds from this sale to our acquisition in the first quarter of 2007 of 76,000 acres of timberlands in Wisconsin through a tax-efficient Internal Revenue Code section 1031 like-kind exchange. As a result of the sale, we recorded an after-tax charge of $33.0 million for the nine months ended September 30, 2007. The charge represented estimated costs associated with the adjustment of the carrying value of the assets involved in the sale to fair market value, as well as approximately $0.3 million in severance benefits and approximately $0.2 million in transaction and other costs associated with the sale. For the quarter and nine months ended September 30, 2007, after-tax operating losses of $0.1 million and $3.8 million, respectively, which were previously included in the operating results of our Resource segment, are classified as discontinued operations in the Statements of Operations and Comprehensive Income. Revenues for the hybrid poplar tree farm, which were previously included in our Resource segment revenues, were $2.5 million for the nine months ended September 30, 2007.

In order to acquire and sell assets, primarily timberlands, in a tax-efficient manner, we enter into like-kind exchange, or LKE, tax-deferred transactions. There are two main types of LKE transactions: forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse transactions, in which property is acquired and similar property is subsequently sold by us. Both forward and reverse transactions must be completed within prescribed time periods under Internal Revenue Code section 1031.

We use a qualified LKE intermediary to facilitate LKE transactions. Proceeds from forward transactions are held by the intermediary and are classified as a restricted non-current asset because the funds must be reinvested in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the company-owned property, the proceeds are distributed to us by the intermediary and are reclassified as available cash and applicable income taxes are determined. Proceeds from reverse transactions are not restricted because the funds are not subject to risk, earn interest and are available upon demand; therefore, these proceeds are included in short-term investments. In the case of reverse transactions in which we have not yet completed LKE sales of company-owned land to match with property purchased on our behalf by the intermediary, the amount associated with the property purchased on our behalf but not yet matched with LKE sales is classified as a long-term asset and included in “Timber, timberlands and related deposits, net” in our Condensed Balance Sheets and as “Deposits on timberlands” in the investing activities section of our Condensed Statements of Cash Flows. Amounts deposited with a third party towards the potential future purchase of property that are not matched with LKE sales are also included in “Timber, timberlands and related deposits, net” in our Condensed Balance Sheets and as “Deposits on timberlands” in our Condensed Statements of Cash Flows. All proceeds, when received by the qualified intermediary, are included as non-cash adjustments to net earnings from continuing operations in the Condensed Statements of Cash Flows.

Earnings per common share from continuing operations are computed by dividing earnings from continuing operations by the weighted average number of common shares outstanding in accordance with SFAS No. 128, “Earnings Per Share.” The following table reconciles the number of common shares used in calculating the basic and diluted earnings per common share from continuing operations:

For the quarter ended September 30, 2008, options to purchase 75,394 shares of common stock were excluded from the computation of diluted earnings per common share because their effect was anti-dilutive. For the nine months ended September 30, 2008, 2,000 restricted stock units and options to purchase 75,394 shares of common stock were excluded from the computation of diluted earnings per common share because their effect was anti-dilutive. For the quarter ended September 30, 2007, 1,000 restricted stock units, 7,400 performance shares and options to purchase 145,565 shares of common stock were excluded from the computation of diluted earnings per common share because their effect was anti-dilutive. For the nine months ended September 30, 2007, 6,654 restricted stock units, 7,400 performance shares and options to purchase 145,565 shares of common stock were excluded from the computation of diluted earnings per common share because their effect was anti-dilutive.

At September 30, 2008, we had three stock incentive plans, the 1995, 2000 and 2005 plans, under which stock option, performance share or restricted stock unit, or RSU, grants were outstanding. All of these plans have received stockholder approval. We were originally authorized to issue up to 1.7 million shares, 1.4 million shares and 1.6 million shares under our 1995 Stock Incentive Plan, 2000 Stock Incentive Plan and 2005 Stock Incentive Plan, respectively. At September 30, 2008, no shares were available for future use under the 1995 Stock Incentive Plan, while approximately 115,800 and 768,200 shares were authorized for future use under the 2000 and 2005 Stock Incentive Plans, respectively. All exercises of stock options or distributions upon settlement of performance share awards or RSU awards are made through the issuance of new shares.

For the quarter ended September 30, 2008, we recorded equity-based compensation expense of $2.0 million, of which $1.8 million related to performance shares and $0.2 million related to RSUs. For the quarter ended September 30, 2007, we recorded equity-based compensation expense of $1.4 million, of which $1.3 million related to performance shares and $0.1 million related to RSUs. For the nine months ended September 30, 2008, we recorded equity-based compensation expense of $5.0 million, of which $4.3 million related to performance shares and $0.7 million related to RSUs. For the nine months ended September 30, 2007, we recorded equity-based

compensation expense of $4.3 million, of which $3.9 million related to performance shares and $0.4 million related to RSUs. The net income tax benefit recognized in the Statements of Operations and Comprehensive Income for equity-based compensation expense totaled $0.8 million and $0.6 million for the quarters ended September 30, 2008 and 2007, respectively, and $2.0 million and $1.7 million for the nine months ended September 30, 2008 and 2007, respectively.

Outside directors of the company are granted an annual award of common stock units, which are credited to an account established on behalf of each director. These accounts are then credited with additional common stock units equal in value to the distributions that are paid on the same amount of common stock. Upon separation from service as a director, the common stock units held by the director in his or her deferred account will be converted to cash based upon the then market price of the common stock and paid to the director.

Directors of the company can also each elect to defer compensation in the form of common stock units. We record compensation expense or income during each reporting period based on the amount of compensation deferred during the period and the increase or decrease in the value of the company’s common stock. We recorded director deferred compensation expense totaling $0.2 million and $0.3 million for the quarters ended September 30, 2008 and 2007, respectively, and $0.4 million for both the nine months ended September 30, 2008 and 2007.

As required by SFAS No. 123 (Revised 2004), “Share-Based Payment” (SFAS No. 123R), $2.1 million and $2.4 million of cash flows for the nine months ended September 30, 2008 and 2007, respectively, representing the realized tax benefit related to the excess of the deductible amount over the compensation cost recognized, have been classified as a financing cash inflow and an operating cash outflow in the Condensed Statements of Cash Flows.

All outstanding stock options were granted with an exercise price equal to the market price on the date of grant, vested over the two-year period from the grant date, and expire not later than 10 years from the date of grant. No new stock options were granted in 2008 or 2007.

A summary of outstanding stock options as of September 30, 2008, and changes during the nine months ended September 30, 2008, is presented below:

There were no unvested stock options outstanding during the nine months ended September 30, 2008. The aggregate intrinsic value of stock options exercised during the nine months ended September 30, 2007 was $5.2 million.

The following table summarizes information about stock options outstanding at September 30, 2008:

Cash received from stock option exercises for the nine months ended September 30, 2008 and 2007 was $3.8 million and $8.0 million, respectively. The actual tax benefit realized for the tax deductions from option exercises

totaled $0.1 million and $0.9 million for the quarters ended September 30, 2008 and 2007, respectively, and $1.1 million and $1.9 million for the nine months ended September 30, 2008 and 2007, respectively.

Performance share awards granted under the stock incentive plans have a three year performance period, and shares are issued at the end of the period if the performance measure is met. The performance measure is a comparison of the percentile ranking of our total shareholder return compared to the total shareholder return performance of a selected peer group. The number of shares actually issued, as a percentage of the amount subject to the performance share award, could range from 0%—200%. Performance share awards granted under our stock incentive plans do not represent common stock, and therefore the holders do not have voting rights unless and until shares are issued upon settlement. If shares are issued at the end of the three-year performance measurement period, the recipients will receive dividend equivalents at the time of payment equal to the distributions that would have been paid on the shares earned had the recipient owned the shares during the three-year period.

Due to the adoption of SFAS No. 123R, the fair value of all performance share awards after January 1, 2006, is estimated using a Monte Carlo simulation model. For the purpose of recognizing compensation expense, performance share awards granted prior to the adoption of SFAS No. 123R are valued at the market value of the company’s stock at the date of grant.

A summary of outstanding performance share awards as of September 30, 2008, and changes during the nine months ended September 30, 2008 is presented below:

As of September 30, 2008, there was $5.6 million of unrecognized compensation cost related to non-vested performance share awards. The cost is expected to be recognized over a weighted average period of 1.6 years.

Included in the unvested shares total as of September 30, 2008 are 100,615 performance shares that are currently tied to Potlatch’s total stockholder return over the 36-month period ending December 31, 2008. In connection with the proposed spin-off of our pulp-based businesses, which is anticipated to occur prior to December 31, 2008, the performance period for these performance shares has been compressed to a 33-month period ending September 30, 2008, resulting in the accelerated recognition of $0.3 million of expense in the third quarter of 2008.

Our 2005 Stock Incentive Plan also allows for awards to be issued in the form of RSUs. During 2008 and 2007, certain officers and other select employees of the company were granted RSU awards that will accrue dividend equivalents based on distributions paid during the RSU vesting period. The dividend equivalents will be converted into additional RSUs that will vest in the same manner as the underlying RSUs to which they relate. The terms of certain of the awards state that 20% of the RSUs vest on each of the first and second anniversaries of the grant date of the awards, with the remaining 60% vesting on the third anniversary. The terms of certain other RSUs provide for vesting of such RSUs upon the expiration of a set period of approximately three years.

A summary of the status of outstanding RSU awards as of September 30, 2008, and changes during the nine months ended September 30, 2008, is presented below:

For RSU awards granted during the period, the fair value of each share was estimated on the date of grant using the grant date market price of our common stock. The total fair value of share awards vested during the period was $0.4 million, using the grant date market price of our common stock.

As of September 30, 2008, there was $1.2 million of total unrecognized compensation cost related to non-vested RSU awards. The cost is expected to be recognized over a weighted average period of 1.5 years.

The following table details the components of net periodic cost (benefit) of our pension and other postretirement employee benefit plans:

The pension benefits presented above do not include a $1.3 million pre-tax charge related to the closure of the Prescott lumber mill. The amount is included in “Loss from discontinued operations” in the Statements of Operations and Comprehensive Income for the nine months ended September 30, 2008.

Of the $1.0 million reported as “Other comprehensive income, net of tax,” on our Statements of Operations and Comprehensive Income for the quarter ended September 30, 2008, $0.9 million and $0.1 million related to our defined benefit pension and other postretirement employee benefit plans, respectively. Of the $3.7 million reported as “Other comprehensive income, net of tax,” on our Statements of Operations and Comprehensive Income for the nine months ended September 30, 2008, $2.8 million related to our defined benefit pension plans, $0.1 million related to our other postretirement employee benefit plans and $0.8 million related to the curtailment associated with the Prescott lumber mill closure and the curtailment of our Lewiston, Idaho fire department hourly pension plan.

As discussed in the notes to our financial statements for the year ended December 31, 2007, no minimum contributions to our qualified pension plans are estimated for 2008 due to the funded status of those plans at December 31, 2007. However, we estimate contributions will total approximately $1.8 million in 2008 for our non-qualified pension plan. As of September 30, 2008, $1.3 million of contributions had been made. We do not anticipate funding our other postretirement employee benefit plans in 2008 except to pay benefit costs as incurred during the year by plan participants.

The following updates information included in the 2007 Annual Report on Form 10-K:

Beginning in February 2006, a series of private antitrust lawsuits were filed against us and certain other manufacturers of oriented strand board (OSB) by plaintiffs who claim they purchased OSB at artificially high prices. The cases were consolidated into two Consolidated Amended Class Action Complaints in the United States District Court for the Eastern District of Pennsylvania under the caption In Re OSB Antitrust Litigation, one on behalf of direct purchasers of OSB and the other on behalf of indirect purchasers. The complaints allege that the defendant OSB manufacturers violated federal and state antitrust laws by purportedly conspiring from mid-2002 to the present to drive up the price of OSB. The consolidated indirect purchaser complaint also alleges that defendants violated various states’ unfair competition laws and common law. Each consolidated complaint seeks an unspecified amount of monetary damages to be trebled as provided under the antitrust laws and other relief. The court certified a nationwide class of direct purchasers who bought OSB structural panel products directly from one of the defendants during the period from June 1, 2002 to February 24, 2006. It also certified a nationwide class of indirect purchaser end users who purchased new OSB manufactured or sold by one of the defendants during the same time period; this class excludes persons who only bought OSB that was incorporated into a house or other structure. The claims of the nationwide indirect purchaser class are limited to injunctive relief. However, the court also certified a multistate class of indirect purchasers in 17 states whose members may recover compensation as allowed by state law. Although we vigorously deny any wrongdoing, on March 28, 2008, we tentatively settled the claims of the direct purchaser class for $2.7 million, solely in order to avoid the further expense and burden of the ongoing litigation. On April 17, 2008, we tentatively settled the indirect purchaser class action claims for $0.3 million. Both settlements have been preliminarily approved by the court, but remain subject to final court approval. We sold our OSB manufacturing facilities to Ainsworth Lumber Co. Ltd. in September 2004.

Certain 2007 amounts have been reclassified to conform to the 2008 presentation.

This report contains, in addition to historical information, certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including without limitation, statements regarding future revenues, cash flows, distributions, compliance with REIT tax rules, costs, manufacturing output, capital expenditures, a potential spin-off of our pulp-based businesses, timber harvest levels, future land sales, like-kind exchanges and tax consequences, and other timber supply issues. Words such as “anticipate,” “expect,” “will,” “intend,” “plan,” “target,” “project,” “believe,” “seek,” “schedule,” “estimate,” “could,” “can,” “may,” and similar expressions are intended to identify such forward-looking statements. These forward-looking statements reflect management’s current views regarding future events based on estimates and assumptions, and are therefore subject to known and unknown risks and uncertainties and are not guarantees of future performance. Our actual results of operations could differ materially from those expressed or implied by forward-looking statements contained in this report. Important factors that could cause or contribute to such differences include, but are not limited to:

Forward-looking statements contained in this report present management’s views only as of the date of this report. Except as required under applicable law, we do not intend to issue updates concerning any future revisions of management’s views to reflect events or circumstances occurring after the date of this report.

Potlatch owns approximately 1.7 million acres of forestland in Arkansas, Idaho, Minnesota and Wisconsin, and operates 12 manufacturing facilities that produce lumber and panel products and bleached pulp products, including paperboard and tissue. We also conduct a real estate sales and development business.

occupies the same site as our pulp-based operations in Lewiston. On July 17, 2008, our board of directors approved the plan to pursue this spin-off of our pulp-based businesses into a publicly-traded company called Clearwater Paper Corporation, or Clearwater. We initially planned on capitalizing Clearwater with $175 million of high yield notes, the proceeds of which were going to be paid to us. With the credit markets in the current state of instability, this does not appear to be a viable approach. However, we developed a comparable approach to capitalizing Clearwater, which entails two steps. First, Clearwater will increase its anticipated revolver from $75 million to approximately $120 million, and then immediately draw $50 million and remit that cash to us. Second, Clearwater will retain the obligation to repay the $100 million liability for our credit sensitive debentures. The debentures will remain on our balance sheet post spin-off and a note receivable from Clearwater will be recorded. We expect the transaction to be completed during the fourth quarter of 2008, subject to final board approval based on regulatory, market and other conditions.

As discussed in Note 5, on March 27, 2008, we announced the permanent closure of our Prescott, Arkansas, lumber mill due to poor market conditions. The mill permanently ceased operations in May 2008. In May 2007, we sold our hybrid poplar tree farm in Boardman, Oregon, for $65.0 million in cash. These operations are classified as discontinued operations in the periods covered by this report.

As of September 30, 2008, our business was organized into five reporting segments:

In September 2007, we entered into agreements to acquire approximately 179,000 acres of timberland in Idaho for approximately $215 million. We completed the acquisition of the timberland in two separate transactions, with the first closing in September 2007 and the second closing, of approximately 34,000 acres for $51.4 million, in January 2008. We matched a portion of the purchase of this Idaho timberland with sales of our own lands in the first half of 2008 for section 1031 like-kind exchange purposes.

In January 2007, we completed the acquisition of 76,000 acres of prime timberland in Wisconsin for $64.5 million. The purchase of the Wisconsin timberlands was matched with sales of our own lands, primarily the hybrid poplar tree farm in Boardman, Oregon, for section 1031 like-kind exchange purposes.

The operating results of our timberlands and manufacturing businesses have been and will continue to be influenced by a variety of factors, including the cyclical nature of the forest products industry, changes in timber prices and in harvest levels from our timberlands, competition, the efficiency and level of capacity utilization of our manufacturing operations, changes in our principal expenses such as wood fiber and energy costs, and changes in the production capacity of our manufacturing operations as a result of major capital spending projects, asset dispositions or acquisitions, and other factors.

Our results of operations and cash flows can be materially affected by the fluctuating nature of timber prices. A variety of factors affect prices for timber, including factors affecting demand, such as changes in economic conditions, construction activity levels, interest rates, population growth and weather conditions, as well as changes in timber supply and other factors. All of these factors can vary by region and by timber type, such as saw logs or pulpwood logs. In 2008, we expect overall average pricing for our timber to decline by approximately 4% to 7% compared to 2007.

Our results of operations and cash flows are also affected by changes in timber availability at the local and national level. Increases in timber supply could adversely affect the prices that we receive for timber. Our timberland ownership is currently concentrated in Arkansas, Idaho, Minnesota and Wisconsin. In Arkansas and Minnesota, most timberlands are privately owned. Historically, increases in timber prices have often resulted in substantial increases in harvesting on private timberlands, including lands not previously made available for commercial timber operations, causing a short-term increase in supply that has tended to moderate price increases. In Idaho, where a greater proportion of timberland is publicly owned, any substantial increase in timber harvesting from these lands could significantly reduce timber prices, which could harm our results of operations. For more than twenty years, environmental concerns and other factors have limited timber sales by federal agencies, which historically had been major suppliers of timber to the United States forest products industry, particularly in the West. Any reversal of policy that substantially increases public timber sales could have a materially adverse effect on our results of operations and cash flows. On a local level, timber supplies can fluctuate depending upon factors such as changes in weather conditions and harvest strategies of local forest products industry participants, as well as occasionally high timber salvage efforts due to unusual pest infestations or fires.

Changes in harvest levels on our timberlands also may have a significant impact on our results of operations, due in part to the low cost basis of much of our timber from timberlands that we acquired many years ago. Over the long term, we manage our timberlands on a sustainable yield basis to achieve a balance between timber growth and timber harvests. From time to time, however, we may choose, consistent with our environmental commitments, to harvest timber at levels above or below our estimate of sustainability for various reasons. In 2007, the overall harvest from our timberlands was 3.9 million tons. Based on our current projections that take into consideration such factors as market conditions, the ages of our timber stands and recent timberland acquisitions and sales, we expect the overall timber harvest from our lands in 2008 to be between 4.2 million and 4.4 million tons, increasing to a range of 4.9 million to 5.3 million tons by 2010.

On a short-term basis, our timber harvest levels may be impacted by factors such as demand for timber and harvesting capacity. In 2007, due to rebounding prices, we significantly increased the harvest from our Southern region timberlands, primarily to offset deferred harvest levels in 2006. We also experience seasonally lower harvest activity during the winter and early spring due to weather conditions. Longer term, our timber harvest levels will be affected by acquisitions of additional timberlands and sales of existing timberlands. In addition, future timber harvest levels may be affected by changes in estimates of long-term sustainable yield because of genetic improvements and other silvicultural advances, natural disasters, fires and other hazards, regulatory constraints and other factors beyond our control.

The operating results of our manufacturing operations generally reflect the cyclical pattern of the forest products industry. Historical prices for our manufactured products have been volatile, and we, like other manufacturers in the forest products industry, have limited direct influence over the timing and extent of price changes for our products. Product pricing is significantly affected by the relationship between supply and demand. Product supply is influenced primarily by fluctuations in available manufacturing capacity. Demand is affected by the state of the economy in general and a variety of other factors. The demand for our wood products is affected by the level of new residential construction activity and, to a lesser extent, home repair and remodeling activity, which are subject to fluctuations due to changes in economic conditions, interest rates, population growth, weather conditions and other factors. The demand for most of our pulp and paperboard products is primarily affected by the general state of the global economy, and the economies in North America and east Asia in particular. The demand for our tissue products is primarily affected by the state of the United States economy.

The markets for our products are highly competitive, and companies that have substantially greater financial resources than we do compete with us in each of our lines of business. Logs and other fiber from our timberlands, as well as our wood products, are subject to competition from timberland owners and wood products manufacturers in North America and to a lesser extent in South America, Europe, Australia and New Zealand. Our pulp-based products, other than tissue products, are globally traded commodity products. Because our competitors in these segments are located throughout the world, variations in exchange rates between the U.S. dollar and other currencies can significantly affect our competitive position compared to our international competitors. Since it is generally not profitable to sell tissue products overseas due to high transportation costs, and we do not sell a significant amount of tissue to Canada, currency exchange rates do not have a major effect on our ability to compete in our tissue business.

Our manufacturing businesses are capital intensive, which leads to high fixed costs and generally results in continued production as long as prices are sufficient to cover variable costs. These conditions have contributed to substantial price competition, particularly during periods of reduced demand. Some of our competitors may currently be lower-cost producers in some of the businesses in which we operate, and accordingly these competitors may be less adversely affected than we are by price decreases. For the periods presented in this Form 10-Q, no downtime was taken at any of our facilities associated with our continuing operations due to an inability to cover variable costs. However, in March 2008, our Gwinn, Michigan lumber mill was shut down for nine days due to a weather-related log shortage. Following the downtime, the lumber mill operated one shift a day until May 1, due to continuing weather-related log shortages, then returned to two shifts a day. Our Post Falls, Idaho particleboard plant was shut down for nearly three weeks in February 2008, fifteen days in May 2008 and thirteen days in July 2008 due to a fiber shortage caused by sawmill curtailments resulting from the depressed lumber market. The Post Falls plant was also shut down for nine days from late August into September 2008 in order to avoid building excess inventories and for fifteen days in late September for a capital project. The Lewiston, Idaho lumber mill was shut down for one week in June 2008 and the Bemidji, Minnesota lumber mill was shut down for eleven days in May 2008, both due to weather-related log shortages. Our Warren, Arkansas lumber mill was shut down for five days in September 2008 due to hurricane activity. The profitability of our manufacturing segments depends largely on our ability to operate our manufacturing facilities efficiently and at or near full capacity. Our operating results can be adversely affected if market demand does not justify operating at these levels or if our operations are inefficient or suffer significant interruption for any reason.

Energy costs, which have become one of our most volatile operating expenses over the past several years, have an impact on almost every aspect of our operations, from natural gas used at our manufacturing facilities to freight surcharges. In periods of high energy prices, market conditions may prevent us from passing higher energy costs on to our customers through price increases, and therefore such increased costs could adversely affect our operating results. We have taken steps through conservation and internal electrical production to reduce our exposure to both the volatile spot market for energy and to rate increases by regulated utilities. Our energy costs in future periods will depend principally on our ability to continue to produce a substantial portion of our electricity needs internally, on changes in market prices for natural gas and on reducing energy usage. To help mitigate the exposure to market risk for changes in natural gas commodity pricing, we occasionally use firm-price contracts to supply a portion of our natural gas requirements. As of September 30, 2008, these contracts covered approximately 65% of the expected monthly natural gas requirements for our Pulp and Paperboard and Consumer Products segments for the remainder of 2008, plus lesser amounts for 2009 and 2010.

Another significant expense is the cost of wood fiber needed to supply our manufacturing facilities. The cost of various types of wood fiber that we purchase in the market has at times fluctuated greatly because of economic or industry conditions. The current high price of wood fiber is largely the result of limited supplies due to the slowdown of operations of many lumber mills that supply us with wood fiber as a result of the home construction downturn.

Selling prices of our products have not always increased in response to wood fiber price increases, nor have wood fiber prices always decreased in conjunction with declining product prices. On occasion, our results of operations have been and may in the future be adversely affected if we are unable to pass cost increases through to our customers.

The disparity between the cost of wood fiber harvested from our timberlands and the cost of wood fiber purchased on the open market is due to the fact that the capitalized costs to establish most of our fee timber were expended many years ago. The initial stand establishment costs remain as a capitalized asset until the timber reaches maturity, which typically ranges from 30 to 60 years. Ongoing forest management costs include recurring items necessary to the ownership and administration of timber producing property and are expensed as incurred. The cost of purchased wood fiber is significantly higher due to the fact that the wood fiber being purchased from third parties is purchased at the current market price.

Changes in our timberland holdings and manufacturing capacity, primarily as a result of capital spending programs, asset purchases and dispositions, and facility closures, have affected our results of operations in recent periods. In January 2007, we purchased approximately 76,000 acres of timberlands in Wisconsin. In May 2007, we completed the sale of our hybrid poplar tree farm in Boardman, Oregon. In September 2007, we entered into agreements to acquire approximately 179,000 acres of timberland in Idaho. We completed the acquisition of the Idaho timberland in two separate transactions, with the first closing in September 2007 and the second closing in January 2008. In May 2008, we permanently closed our Prescott, Arkansas lumber mill due to poor market conditions. These changes have affected or will affect our levels of net revenues and expenses, as well as the comparability of our operating results from period to period.

It is our practice to periodically review strategic and operational alternatives to improve our operating results and financial position. In this regard, we consider and plan to continue to consider, among other things, adjustments to our capital expenditures and overall spending, the expanding or restructuring of our operations to achieve efficiencies, and the disposition of assets that may have greater value to others. There can be no assurance that we will be successful in implementing any new strategic or operational initiatives or, if implemented, that they will have the effect of improving our operating results and financial position.

Among the reasons for our REIT conversion was that we are better able to compete for acquisitions of timberlands against other entities that use tax-efficient structures. It is uncertain whether any timberland acquisitions we make will perform in accordance with our expectations. In addition, we anticipate financing acquisitions through Internal Revenue Code section 1031 like-kind exchanges, cash from operations, borrowings under our credit facility, or proceeds from equity or debt offerings. Our inability to finance future acquisitions on favorable terms or the failure of any acquisition to perform as we expect could harm our results of operations.

Our principal accounting policies are discussed on pages 50-56 of our Annual Report on Form 10-K for the year ended December 31, 2007. The preparation of financial statements in accordance with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported financial position and operating results of the company. Management believes the accounting policies discussed below represent the most complex, difficult and subjective judgments it makes in this regard.

Long-lived assets. Due to the capital-intensive nature of our business, a significant portion of our total assets are invested in our timber and timberlands and our manufacturing facilities. Also, the cyclical patterns of our businesses cause cash flows to fluctuate by varying degrees from period to period. As a result, long-lived assets are a material component of our financial position with the potential for material change in valuation if assets are determined to be impaired. We account for impairment of long-lived assets in accordance with SFAS No. 144, “Accounting for the Impairment or Disposal of Long-Lived Assets,” which requires that long-lived assets be reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as measured by its undiscounted estimated future cash flows. We use our operational budgets to estimate future cash flows. Budgets are inherently uncertain estimates of future performance due to the fact that all inputs (revenues, costs and capital spending) are subject to frequent change for many different reasons, including the reasons previously described above under “Factors Influencing our Results of Operations and Cash Flows.” Because of the number of variables involved, the interrelationship between the variables and the long-term nature of the impairment measurement, sensitivity analysis of individual variables is not practical. Budget estimates are adjusted periodically to reflect changing business conditions, and operations are reviewed, as appropriate, for

impairment using the most current data available. To date, this process has not resulted in an impairment charge for any of our assets associated with our continuing operations.

Timber and timberlands. Timber and timberlands are recorded at cost, net of depletion. Expenditures for reforestation, including all costs related to stand establishment, such as site preparation, costs of seeds or seedlings and tree planting, are capitalized. Expenditures for forest management, consisting of regularly recurring items necessary to the ownership and administration of our timber and timberlands, are accounted for as current operating expense. Our depletion is determined based on costs capitalized and the related current estimated recoverable timber volume. Recoverable volume does not include anticipated future growth, nor are anticipated future costs considered.

There are currently no authoritative accounting rules relating to costs to be capitalized in the timber and timberlands category. We have used relevant portions of current accounting rules, industry practices and our judgment in determining costs to be capitalized or expensed. Alternate interpretations and judgments could significantly affect the amounts capitalized. Additionally, models and observations used to estimate the current recoverable timber volume on our lands are subject to judgments that could significantly affect volume estimates. Following are examples of factors that add to the complexity of the assumptions we make regarding capitalized or expensed costs:

Different assumptions for either the cost or volume estimates, or both, could have a significant effect upon amounts reported in our statements of operations and financial condition. Because of the number of variables involved and the interrelationship between the variables, sensitivity analysis of individual variables is not practical.

Restructuring charges and discontinued operations. In January 2007, we recorded a charge for a restructuring of our Resource segment. On March 30, 2007, we entered into a definitive agreement to sell our hybrid poplar tree farm in Boardman, Oregon. The sale was completed in the second quarter of 2007. On March 27, 2008, we announced the permanent closure of our Prescott, Arkansas lumber mill due to poor market conditions. The mill ceased operations in May 2008. These events required us to record estimates of liabilities for employee benefits and other costs at the time of the events. In making these judgments, we considered contractual obligations, legal liabilities and possible incremental costs incurred as a result of restructuring transactions to determine liability. Our estimated liabilities could differ materially from actual costs incurred, with resulting adjustments to future period earnings for any differences.

Environmental liabilities. We record accruals for estimated environmental liabilities that are not within the scope of SFAS No. 143, “Accounting for Asset Retirement Obligations,” and FASB Interpretation No. 47, “Accounting for Conditional Asset Retirement Obligations,” in accordance with SFAS No. 5, “Accounting for Commitments and Contingencies.” These estimates reflect assumptions and judgments as to the probable nature, magnitude and timing of required investigation, remediation and monitoring activities. In making these estimates, we consider, among other things, the activities we have conducted at any particular site, information obtained through consultation with applicable regulatory authorities and third parties, and our historical experience at other sites that are judged to be comparable. We must also consider the likelihood of changes in governmental regulations, advancements in environmental technologies, and changing legal standards regarding liability. Due to the numerous uncertainties and variables associated with these assumptions and judgments, and changes in governmental regulations and environmental technologies, our accruals are subject to substantial uncertainties, and our actual costs could be materially more or less than the estimated amounts.

Pension and postretirement employee benefits. The determination of pension plan expense and the requirements for funding our pension plans are based on a number of actuarial assumptions. Two critical assumptions are the discount rate applied to pension plan obligations and the rate of return on plan assets. For

other postretirement employee benefit, or OPEB, plans, which provide certain health care and life insurance benefits to qualified retired employees, critical assumptions in determining OPEB expense are the discount rate applied to benefit obligations and the assumed health care cost trend rates used in the calculation of benefit obligations.

Note 12 to our 2007 Form 10-K consolidated financial statements included information for the three years ended December 31, 2007, on the components of pension and OPEB expense and the underlying actuarial assumptions used to calculate periodic expense, as well as the funded status for our pension and OPEB plans as of December 31, 2007 and 2006. Note 10, “Pension and Other Postretirement Employee Benefit Plans,” of this Form 10-Q, includes information on the components of pension and OPEB expense for the quarters and nine months ended September 30, 2008 and 2007.

The discount rate used in the determination of pension benefit obligations and pension expense is a weighted average benchmark rate based on high-quality fixed income investment interest rates, as well as the amount and timing of expected benefit payments. At December 31, 2007 and 2006, we calculated obligations using discount rates of 6.40% and 5.85%, respectively. To determine the expected long-term rate of return on pension assets, we employ a process that analyzes historical long-term returns for various investment categories, as measured by appropriate indices. These indices are weighted based upon the extent to which plan assets are invested in the particular categories in arriving at our determination of a composite expected return. The assumed long-term rates of return on pension plan assets used for the years ended December 31, 2007 and 2006 were 9.0% and 9.5%, respectively. Over the past 30 years, the period we have actively managed pension assets, our actual average annual return on pension plan assets has been approximately 11%, through December 31, 2007.

Total periodic pension plan income in 2007 was $8.3 million. An increase in the discount rate or the rate of expected return on plan assets, all other assumptions remaining the same, would increase pension plan income, and conversely, a decrease in either of these measures would decrease plan income. As an indication of the sensitivity that pension income has to the discount rate assumption, a 25 basis point change in the discount rate would affect annual plan income by approximately $1.4 million. A 25 basis point change in the assumption for expected return on plan assets would affect annual plan income by approximately $1.7 million. The actual rates on plan assets may vary significantly from the assumption used because of unanticipated changes in financial markets.

No minimum contributions to our qualified pension plans are estimated for 2008 due to the funded status of those plans at December 31, 2007. However, we estimate contributions will total approximately $1.8 million in 2008 to our non-qualified pension plan. As of September 30, 2008, $1.3 million of contributions had been made. We do not anticipate funding our postretirement employee benefit plans in 2008 except to pay benefit costs as incurred during the year by plan participants.

For our OPEB plans, expense for 2007 was $19.3 million. The discount rate used to calculate OPEB obligations, which was determined using the same methodology we used for our pension plans, was 6.40% and 5.85% at December 31, 2007 and 2006, respectively. The assumed health care cost trend rate used to calculate OPEB obligations and expense for 2007 was a 10% increase over the previous year, with the rate of increase scheduled to decline one percent annually to a long-term ultimate rate increase assumption of 6% for 2011 and thereafter.

As an indication of the sensitivity that OPEB expense has to the discount rate assumption, a 25 basis point change in the discount rate would affect annual plan expense by approximately $0.5 million. A 1% change in the assumption for health care cost trend rates would have affected 2007 plan expense by approximately $1.6 – $1.9 million and the total postretirement employee obligation by approximately $21.4 – $25.0 million. The actual rates of health care cost increases may vary significantly from the assumption used because of unanticipated changes in health care costs.

Periodic pension and OPEB expense are included in “Materials, labor and other operating expenses” and “Selling, general and administrative expenses” in the Statements of Operations and Comprehensive Income. The expense is allocated to all business segments. At September 30, 2008, and December 31, 2007, long-term assets are recorded for overfunded plans and liabilities are recorded for underfunded plans. The funded status of a benefit plan is measured as the difference between plan assets at fair value and the benefit obligation. For underfunded plans, the estimated liability to be payable in the next twelve months is recorded as a current liability, with the remaining portion recorded as long-term. See Note 12 to our 2007 Form 10-K consolidated financial statements for further discussion.

As noted above, our business is organized into five reporting segments: Resource; Real Estate; Wood Products; Pulp and Paperboard; and Consumer Products. Sales or transfers between segments are recorded as intersegment revenues based on prevailing market prices. Because of the role of the Resource segment in supplying our manufacturing segments with wood fiber, intersegment revenues represent a significant portion of the Resource segment’s total revenues. Intersegment revenues represent a substantially smaller percentage of revenues for our other segments.

In the period-to-period discussion of our results of operations below, when we discuss our consolidated revenues, contributions by each of the segments to our revenues are reported after elimination of intersegment revenues. In the “Discussion of Business Segments” section below, each segment’s revenues are presented before elimination of intersegment revenues.

The following table sets forth period-to-period changes in items included in our Statements of Operations and Comprehensive Income for the quarters ended September 30, 2008 and 2007.

Certain 2007 amounts have been reclassified to conform to the 2008 presentation.

Revenues – Total revenues from continuing operations of $457.1 million for the quarter ended September 30, 2008, were $36.5 million higher than the $420.5 million recorded for the same period in 2007. Resource segment revenues increased $12.1 million to $53.1 million for the third quarter of 2008, primarily due to increased sales of logs to external customers as a result of higher harvest levels in our Northern region. Real Estate revenues were $6.8 million in the third quarter of 2008, $3.1 million higher than in the third quarter of 2007 due to increased sales of land. Revenues from the Wood Products segment were $91.6 million for the third quarter of 2008, compared to $101.9 million for the same period in 2007. The decrease was due to decreased shipments of lumber and lower selling prices. Pulp and Paperboard revenues increased to $177.1 million for the third quarter of 2008, compared to $161.6 million for the third quarter of 2007, due primarily to higher paperboard and pulp selling prices and increased paperboard shipments. Consumer Products revenues were $128.5 million for the third quarter of 2008, a $16.1 million increase compared to third quarter 2007 revenues of $112.4 million, due to higher selling prices and increased shipments.

Depreciation, depletion and amortization – For the quarter ended September 30, 2008, depreciation, depletion and amortization totaled $21.1 million, compared to $20.3 million recorded in the same period of 2007. The increase was primarily due to higher depletion expense for our Northern Resource region.

Materials, labor and other operating expenses – Materials, labor and other operating expenses increased to $387.4 million for the third quarter of 2008, compared to $330.1 million recorded in the third quarter of 2007. The higher expenses in the third quarter of 2008 were primarily due to costs associated with increased shipments of paperboard and tissue, higher wood fiber, maintenance, chemical, energy, and freight costs for the Pulp and Paperboard segment, higher freight, pulp, packaging and energy costs for the Consumer Products segment, and costs associated with additional sales of land.

Selling, general and administrative expenses – Selling, general and administrative expenses were $19.9 million for the third quarter of 2008, compared to $23.1 million for the third quarter of 2007. The decrease was primarily due to lower compensation-related expense and income of $2.1 million from legal settlements.

Restructuring charge – In January 2007, we recorded a pre-tax charge of $2.8 million associated with a restructuring within our Resource segment. The charge represented estimated severance benefit costs for 35 employees. A reduction to this charge of $0.1 million was recorded in the third quarter of 2007. There were no restructuring charges in the third quarter of 2008.

Interest expense – Interest expense totaled $8.1 million in the third quarter of 2008 compared to $7.4 million for the same period in 2007. The increase was due to increased borrowings outstanding under our unsecured bank credit facility to fund a portion of the purchase of 179,000 acres of Idaho timberlands in September 2007 and January 2008.

Interest income – We recorded interest income of $0.1 million for the third quarter of 2008 compared to $1.0 million in the third quarter of 2007. The decrease was due to reduced levels of short-term investments during the third quarter of 2008.

Income tax benefit – For the quarter ended September 30, 2008, we recorded an income tax benefit related to our continuing operations of $5.1 million, due primarily to operating losses of Potlatch TRS. For the quarter ended September 30, 2007, we recorded an income tax benefit related to our continuing operations of $1.7 million, which was the result of an income tax benefit of $3.5 million due to the final determination of amounts owed to the Internal Revenue Service for the years 1995-2004. Excluding this benefit, we recorded an income tax provision of $1.8 million for the third quarter of 2007, which was largely due to pre-tax income of Potlatch TRS.

Earnings from continuing operations – We recorded earnings from continuing operations of $25.7 million for the quarter ended September 30, 2008, compared to $42.5 million for the same period in 2007. The decrease was primarily due to lower earnings for our Pulp and Paperboard, Resource and Wood Products segments.

Discontinued operations – On March 27, 2008, we announced the permanent closure of our Prescott, Arkansas lumber mill due to poor market conditions. The mill processed its remaining inventory of logs in the second quarter and permanently ceased operations in May 2008, affecting approximately 182 employees. In the third quarter of 2008, we recorded an after-tax loss of $0.5 million related to the Prescott mill closure. For the third quarter of 2007, we recorded an after-tax operating loss of $1.4 million for the Prescott mill.

The results for the quarter ended September 30, 2007 included an after-tax loss from discontinued operations of $0.1 million associated with our hybrid poplar tree farm in Boardman, Oregon. The sale of the tree farm was announced in March 2007 and completed in May 2007.

Other comprehensive income, net of tax – We recorded other comprehensive income, net of tax, of $1.0 million for the third quarter of 2008, compared to $1.4 million for the third quarter of 2007.

The Resource segment reported operating income of $30.8 million for the third quarter of 2008, a decrease of $7.4 million compared to the $38.2 million reported for the same period of 2007. Segment revenues were $94.6 million for the third quarter of 2008, compared to $99.7 million for the third quarter of 2007. The decreased revenues were primarily due to lower overall log selling prices. Expenses for the segment were $63.8 million for the third quarter of 2008, compared to $61.5 million in the third quarter of 2007. The increased expenses in 2008 were primarily due to higher logging costs and increased depletion expense, partially offset by fewer outside logs purchased in the third quarter of 2008.

The Real Estate segment reported operating income of $3.2 million for the third quarter of 2008, compared to $2.4 million for the third quarter of 2007. Revenues for the segment were $6.8 million for the third quarter of 2008, compared to $3.7 million for the same period in 2007. The higher revenues in the third quarter of 2008 were due to the sale of approximately 5,200 acres of land, compared to approximately 1,600 acres sold in the third quarter of 2007. Real Estate segment expenses were $3.5 million in the third quarter of 2008, compared to $1.3 million for the third quarter of 2007. The increased expenses were due to costs associated with the additional sales of land in the third quarter of 2008. Results for the segment depend on the timing of closing of transactions for properties we identify as having higher and better use values. Our goal is to utilize like-kind exchange transactions for tax efficiency whenever possible, thus maximizing cash flows. Therefore, we attempt to schedule closings of both sales and acquisitions, if possible, to occur at times when they would be most tax-efficient.

The Wood Products segment reported operating income of $0.8 million for the third quarter of 2008, compared to $4.6 million recorded in the same period of 2007. Revenues for the segment for the third quarter of 2008 were $98.9 million, compared to $106.3 million for the third quarter of 2007. Lumber revenues were $68.7 million in the third quarter of 2008, down from $77.5 million for the same period in 2007. The lower revenues were due to lower selling prices and decreased shipments. Our Warren, Arkansas lumber mill was shut down for five days in September 2008 due to hurricane activity. Plywood revenues totaled $11.4 million for the third quarter of 2008, compared to $14.2 million for the third quarter of 2007. Particleboard revenues were $4.5 million for the third quarter of 2008, compared to $4.7 million for the same period in 2007. The lower revenues for both plywood and particleboard were due to decreased shipments that were partially offset by higher selling prices. Our Post Falls, Idaho particleboard plant was shut down for thirteen days in July 2008 due to a fiber shortage caused by sawmill curtailments resulting from the depressed lumber market, nine days from late August into September 2008 in order to avoid building excess inventories and fifteen days in late September for a capital project. Other revenues for the segment, which consist primarily of sales of by-products such as chips and residual logs, were $14.5 million for the third quarter of 2008, compared to $9.8 million for the third quarter of 2007. The increase in other revenues was due primarily to increased sales of residual logs in 2008 compared to 2007. Segment expenses were $98.2 million for the third quarter of 2008, compared to $101.7 million for the third quarter of 2007. The decrease in expenses was primarily due to lower log costs and lower costs associated with decreased lumber shipments.

The Pulp and Paperboard segment reported operating income of $0.5 million for the third quarter of 2008, compared to $17.6 million for the third quarter of 2007. Revenues for the segment were $195.6 million for the third quarter of 2008, an increase of $21.3 million over the $174.3 million in revenues for the third quarter of 2007. Paperboard revenues increased to $170.5 million in the third quarter of 2008, from $149.8 million in the third quarter of 2007. The higher revenues were primarily due to higher selling prices and increased shipments. Pulp revenues were $24.9 million for the third quarter of 2008, compared to $24.2 million recorded in the same period of 2007, due primarily to higher selling prices, partially offset by decreased shipments. Expenses for the segment were $195.1 million for the third quarter of 2008, compared to $156.7 million for the same period in 2007. The increase in expenses was due primarily to costs associated with increased shipments of paperboard, and higher wood fiber, chemical, energy, and freight costs in the third quarter of 2008. Scheduled major maintenance work performed in the third quarter of 2008 increased expenses by approximately $9 million compared to the third quarter of 2007. Major maintenance work was performed during the first quarter of 2007.

The Consumer Products segment reported operating income of $10.9 million for the third quarter of 2008, compared to $5.1 million for the third quarter of 2007. Revenues for the segment were $128.5 million in the third quarter of 2008, $16.1 million higher than the $112.4 million recorded in the third quarter of 2007. The higher revenues were due to higher selling prices and increased shipments. Segment expenses were $117.6 million for the third quarter of 2008, compared to $107.3 million for the third quarter of 2007. Costs associated with increased tissue shipments, as well as higher freight, pulp, packaging and energy costs, were largely responsible for the higher segment expenses.

Nine Months Ended September 30, 2008 Compared to Nine Months Ended September 30, 2007

The following table sets forth period-to-period changes in items included in our Statements of Operations and Comprehensive Income for the nine months ended September 30, 2008 and 2007.

Certain 2007 amounts have been reclassified to conform to the 2008 presentation.

Revenues – Total revenues from continuing operations of $1.29 billion for the nine months ended September 30, 2008, were $100.5 million higher than the $1.19 billion recorded for the same period in 2007. Resource segment revenues increased $9.8 million to $104.2 million for the first nine months of 2008, primarily due to increased overall sales of logs to external customers. Real Estate revenues were $43.2 million in the first nine months of 2008, $30.9 million higher than in the first nine months of 2007 due to significantly increased sales of land. Revenues from the Wood Products segment were $263.9 million for the first nine months of 2008, compared to $302.7 million for the same period in 2007. The decrease was due to decreased shipments of lumber and lower selling prices. Pulp and Paperboard revenues increased to $508.2 million for the first nine months of 2008, compared to $451.4 million for the same period in 2007, due primarily to higher selling prices for paperboard and pulp and increased paperboard shipments. Consumer Products revenues were $370.4 million for the first nine months of 2008, a $41.9 million increase compared to revenues of $328.5 million for the first nine months of 2007, due to higher selling prices and increased shipments.

Depreciation, depletion and amortization – For the nine months ended September 30, 2008, depreciation, depletion and amortization totaled $57.2 million, compared to $57.8 million recorded in the first nine months of 2007. The decrease was due to lower depreciation expense for our Pulp and Paperboard segment, partially offset by higher depletion expense for our Northern Resource region.

Materials, labor and other operating expenses – Materials, labor and other operating expenses increased to $1.08 billion for the first nine months of 2008, compared to $0.96 billion recorded in the first nine months of 2007. The higher expenses in the first nine months of 2008 were primarily due to costs associated with increased shipments of paperboard and tissue, higher wood fiber, chemical, energy and freight costs for the Pulp and Paperboard segment, higher freight, pulp, energy and packaging costs for the Consumer Products segment, and costs associated with additional sales of land.

Selling, general and administrative expenses – Selling, general and administrative expenses were $67.3 million for the first nine months of 2008, compared to $64.8 million for the first nine months of 2007. The increase was due primarily to $4.2 million of expenses related to our planned spin-off, $3.0 million for our settlements in the OSB antitrust lawsuit and higher compensation-related expenses, partially offset by income of $2.2 million from legal settlements.

Restructuring charge – In January 2007, we recorded a pre-tax charge of $2.8 million associated with a restructuring within our Resource segment. A reduction to this charge of $0.1 million was recorded in the third quarter of 2007. The charge represented estimated severance benefit costs for 35 employees. There were no restructuring charges in the first nine months of 2008.

Interest expense – Interest expense totaled $25.3 million in the first nine months of 2008 compared to $22.3 million for the same period in 2007. The increase was due to increased borrowings outstanding under our unsecured bank credit facility during the first nine months of 2008 to fund a portion of the purchase of 179,000 acres of Idaho timberlands in September 2007 and January 2008.

Interest income – For the nine months ended September 30, 2008, interest income was $0.6 million, compared to $1.9 million recorded in the first nine months of 2007. The decrease was due to reduced levels of short-term investments during 2008.

Income tax benefit – For the nine months ended September 30, 2008, we recorded an income tax benefit related to our continuing operations of $12.8 million, which was largely related to operating losses of Potlatch TRS. We recorded an income tax benefit of $0.4 million in the same period of 2007, which was largely due to the income tax benefit resulting from the final determination of amounts owed to the IRS for the years 1995-2004, partially offset by an income tax provision of $2.6 million due primarily to operating income of Potlatch TRS.

Earnings from continuing operations – In the first nine months of 2008, we recorded earnings from continuing operations of $71.9 million, compared to $83.9 million for the first nine months of 2007. The unfavorable comparison was primarily due to lower results for the Wood Products, Resource, and Pulp and Paperboard segments.

Discontinued operations – For the first nine months of 2008, we recorded an after-tax loss of $12.4 million related to the Prescott mill closure. The charge represents estimated costs associated with the adjustment of assets to estimated fair market value, as well as approximately $1.4 million in severance benefits, approximately $0.8 million associated with the curtailment of the hourly defined benefit pension plan for the Prescott employees, and approximately $0.6 million in other costs associated with the closure. Excluding the loss on disposal, the Prescott operation recorded an after-tax operating loss of $2.5 million for the first nine months of 2008, compared to an after-tax operating loss of $1.9 million for the first nine months of 2007.

For the first nine months of 2007, we recorded an after-tax loss of $33.0 million related to the sale of our Boardman, Oregon, hybrid poplar tree farm, which was completed during the second quarter of 2007. Excluding the loss on disposal, the Boardman operation recorded an after-tax operating loss of $3.8 million for the first nine months of 2007.

Other comprehensive income, net of tax – We recorded other comprehensive income, net of tax, of $3.7 million for the first nine months of 2008, compared to $4.1 million for the same period in 2007.

The Resource segment reported operating income of $60.2 million for the first nine months of 2008, a decrease of $11.1 million compared to the $71.3 million reported for the first nine months of 2007. Segment revenues were $199.9 million for the first nine months of 2008, compared to $231.4 million for the same period in 2007. The lower revenues were primarily due to decreased sales volumes in 2008, combined with lower log selling prices in our Northern region. Expenses for the segment were $139.7 million for the first nine months of 2008, compared to $160.1 million for the first nine months of 2007. The lower expenses were due to fewer outside logs purchased in 2008 and decreased harvest of fee timber in the Southern region. The 2007 expenses included a pre-tax restructuring charge of $2.7 million recorded in the 2007 period.

The Real Estate segment reported operating income of $31.2 million for the first nine months of 2008, compared to $9.4 million for the first nine months of 2007. Revenues for the segment were $43.2 million for the first nine months of 2008, compared to $12.3 million for the same period in 2007. The significantly higher revenues in 2008 were due to the sale of approximately 58,700 acres of land, compared to approximately 9,200 acres in the 2007 period. The majority of the land sold in 2008 was non-core land located in Minnesota. A large portion of this land was not included in the 18,000 to 22,000 acres of land we had previously announced that we expect to sell in 2008, but we were presented with an opportunity to sell this non-core land and were able to match it for section 1031 like-kind

exchange purposes with land purchased in Idaho in early 2008. Real Estate segment expenses were $12.0 million in the first nine months of 2008, compared to $2.9 million for the first nine months of 2007. The increased expenses were due to costs associated with the additional sales of land in 2008.

The Wood Products segment reported an operating loss of $9.5 million for the first nine months of 2008, compared to operating income of $14.1 million recorded in the same period of 2007. Revenues for the segment were $284.4 million in the first nine months of 2008, compared to $317.8 million for the first nine months of 2007. Lumber revenues were $191.4 million in the first nine months of 2008, down from $229.7 million for the same period in 2007. The lower revenues were due to lower selling prices and decreased shipments. In March 2008, our Gwinn, Michigan lumber mill was shut down for nine days due to a weather-related log shortage. Following the downtime, the lumber mill operated one shift a day until May 1, due to continuing weather-related log shortages, then returned to two shifts a day. The Lewiston, Idaho lumber mill was shut down for one week in June 2008 and the Bemidji, Minnesota lumber mill was shut down for eleven days in May 2008, both due to weather-related log shortages. Our Warren, Arkansas lumber mill was shut down for five days in September 2008 due to hurricane activity. Plywood revenues totaled $39.4 million for the first nine months of 2008, compared to $42.0 million for the first nine months of 2007. The decrease was due to decreased shipments, partially offset by higher selling prices. Particleboard revenues were $14.2 million for the first nine months of 2008, compared to $15.3 million for the same period in 2007. The lower revenues were due to decreased shipments, partially offset by higher selling prices. Our Post Falls, Idaho particleboard plant was shut down for nearly three weeks in February 2008, fifteen days in May 2008 and thirteen days in July 2008 due to a fiber shortage caused by sawmill curtailments resulting from the depressed lumber market. The Post Falls plant was also shut down for nine days from late August into September 2008 in order to avoid building excess inventories and for fifteen days in late September for a capital project. Other revenues for the segment were $39.5 million for the first nine months of 2008, compared to $30.8 million for the first nine months of 2007. The increase in other revenues was due to increased sales of residual logs in 2008 compared to 2007. Segment expenses were $294.0 million for the first nine months of 2008, compared to expenses of $303.8 million for the first nine months of 2007. The decrease in expenses was primarily due to lower costs associated with decreased lumber shipments.

The Pulp and Paperboard segment reported operating income of $17.8 million for the first nine months of 2008, compared to $28.5 million for the first nine months of 2007. Revenues for the segment were $557.1 million for the first nine months of 2008, an increase of $62.5 million over the $494.6 million in revenues for the first nine months of 2007. Paperboard revenues increased to $483.7 million in the first nine months of 2008, $60.4 million higher than revenues of $423.3 million in the first nine months of 2007. The higher revenues were primarily due to higher selling prices and increased shipments. Pulp revenues were $72.7 million for the first nine months of 2008, compared to $70.5 million recorded in the same period of 2007 due primarily to slightly higher selling prices, partially offset by decreased shipments. Expenses for the segment were $539.3 million for the first nine months of 2008, compared to $466.1 million for the same period in 2007. The increase in expenses was due primarily to costs associated with increased shipments of paperboard, and higher wood fiber, chemical, energy and freight costs in the first nine months of 2008.

The Consumer Products segment reported operating income of $21.2 million for the first nine months of 2008, compared to $14.0 million for the first nine months of 2007. Revenues for the segment were $370.5 million in the first nine months of 2008, $41.9 million higher than revenues of $328.6 million recorded in the first nine months of 2007. The higher revenues were due to higher selling prices and increased shipments. Segment expenses were $349.3 million for the first nine months of 2008, compared to $314.6 million for the first nine months of 2007. Costs associated with increased tissue shipments, as well as higher freight, pulp, energy and packaging costs, were largely responsible for the higher segment expenses.

At September 30, 2008, our financial position included long-term debt of $321.3 million, including current installments on long-term debt of $0.4 million. Long-term debt at September 30, 2008 (including current installments) decreased $0.2 million from the $321.5 million balance at December 31, 2007. Stockholders’ equity for the first nine months of 2008 increased $7.9 million due to net earnings of $57.0 million, additional paid-in capital associated with equity-based compensation expense and the issuance of $3.8 million of common stock related to the exercise of stock options, partially offset by regular quarterly distributions to common stockholders totaling $60.4 million. The ratio of long-term debt (including current installments) to stockholders’ equity was 0.55 to 1 at September 30, 2008 compared to 0.56 to 1 at December 31, 2007.

Scheduled payments due on long-term debt during each of the five years subsequent to December 31, 2008, are as follows:

Working capital totaled $38.6 million at September 30, 2008, a decrease of $10.7 million from the December 31, 2007 balance of $49.3 million. The significant changes in the components of working capital are as follows:

Net cash provided by operating activities from continuing operations for the first nine months of 2008 totaled $81.0 million, compared to $124.2 million for the same period in 2007. The decrease was primarily the result of lower operating earnings.

For the nine months ended September 30, 2008, net cash used for investing activities from continuing operations was $27.1 million, compared to $248.8 million for the first nine months of 2007. In the first nine months of 2008, we used $27.3 million for deposits on timberlands, compared to $162.3 million for the same period in 2007. The deposits on timberlands represent the portion of timberlands that were purchased on our behalf by a qualified like-kind exchange intermediary, and are held by the intermediary until they are either matched with sales of company-owned properties through our like-kind exchange process or the end of a 180-day period, whichever comes first. In accordance with section 1031 rules, title to any portion of timberlands held by the intermediary that is not matched with sales of company-owned properties within 180 days of the purchase of these timberlands will be transferred to us at the end of the 180-day period. In addition to the change in deposits on timberlands, we had a net cash inflow of $47.6 million in the first nine months of 2008 from a change in our short-term investments compared to a net cash outflow of $6.8 million for the same period in 2007. The $47.6 million net cash inflow from the change in short-term investments for the first nine months of 2008 included $39.6 million in proceeds received as a result of the settlement of short-term investments originally obtained through non-cash like-kind exchange transactions.

Capital expenditures were $47.6 million in the first nine months of 2008, which included $16.4 million in cash for the acquisition of timberlands in Idaho. Capital expenditures were $79.2 million in the first nine months of 2007, which included $49.5 million in cash for our Idaho and Wisconsin timberland purchases. The balance of capital expenditures in both periods was for forestland activities and various smaller projects designed to improve product quality and manufacturing efficiency.

Net cash used for financing activities totaled $61.4 million for the nine months ended September 30, 2008, compared to net cash provided by financing activities of $61.0 million during the same period in 2007. The cash used for financing activities in the first nine months of 2008 was primarily for the regular quarterly cash distributions to common stockholders of $60.4 million. The net cash provided by financing activities in the first nine months of 2007 was primarily due to an increase of $110.0 million in notes payable, partially offset by regular quarterly cash distributions to common stockholders totaling $57.4 million.

Our regular quarterly distributions increased to $60.4 million in the first nine months of 2008 from $57.4 million in the same period in 2007. Based on historical operating results and taking into account planned harvest activities, we expect to fund a substantial majority of future annual distributions using the cash flows from our REIT-qualifying timberland operations. Any shortfall between cash available for distribution from REIT operations and anticipated future annual distributions to stockholders is expected to be funded through cash on hand, bank borrowings, or a combination thereof. Our ability to fund distributions through bank borrowings is subject to our continued compliance with debt covenants, as well as the availability of borrowing capacity under our lending arrangements. If our

operations do not generate sufficient cash flows and we are unable to borrow, we may be required to reduce our quarterly distributions. In addition, even if cash available for distribution from our REIT operations is sufficient on an annual basis to fund the entire distribution to stockholders, we anticipate that it may be necessary to utilize some short-term borrowing to fully fund distributions in the first half of each year as a result of the lower harvest activity during winter and early spring. Significant decreases in timber prices or other factors that have a materially adverse effect on the cash flows from our REIT operations could result in our inability to maintain our current distribution rate.

In addition, the rules with which we must comply to maintain our status as a REIT limit our ability to use dividends from our manufacturing businesses for the payment of stockholder distributions. In particular, at least 75% of our gross income for each taxable year as a REIT must be derived from sales of our standing timber and other types of real estate income. No more than 25% of our gross income may consist of dividends from Potlatch TRS and other non-qualifying types of income. Our board of directors, in its sole discretion, will determine the actual amount of distributions to be made to stockholders based on consideration of a number of factors, including, but not limited to, our results of operations, cash flow and capital requirements, economic conditions, tax considerations and borrowing capacity.

Our current unsecured bank credit facility, which expires on December 22, 2008, provides for a revolving line of credit of up to $250 million, including a $35 million subfacility for letters of credit and a $10 million subfacility for swing line loans. Usage under either or both subfacilities reduces availability under the revolving line of credit. We are in the process of negotiating a new credit facility, which we expect to be in place by the maturity of the existing credit facility. As of September 30, 2008, there were $113.7 million of borrowings outstanding under the revolving line of credit, and $10.0 million of the letter of credit subfacility was being used to support several outstanding letters of credit. The $113.7 million in borrowings were used to fund a portion of the acquisition of 145,000 acres of timberland in Idaho costing approximately $163.0 million in September 2007 and 34,000 acres purchased for approximately $51.4 million in January 2008. Loans under the credit facility bear interest at LIBOR plus between 0.625% and 1.625% for LIBOR loans, and a base rate effectively equal to the bank’s prime rate plus up to 0.625% for other loans. As of September 30, 2008, the weighted average interest rate on the $113.7 million of borrowings outstanding under the revolving line of credit was approximately 4.62%, and we are eligible to borrow under the credit facility at LIBOR plus 1.125%.

The agreement governing our credit facility contains covenants that, among other things, limit to a certain degree our ability and that of our subsidiaries to create liens, merge or consolidate, dispose of assets, incur indebtedness and guarantees, repurchase or redeem capital stock and indebtedness, make certain investments or acquisitions, enter into certain transactions with affiliates or change the nature of our business. The credit facility also contains financial maintenance covenants establishing a maximum funded indebtedness to capitalization ratio, a minimum consolidated net worth requirement, and a minimum interest coverage ratio. We will be permitted to pay distributions under the terms of the credit facility so long as we remain in pro forma compliance with the financial covenants.

The table below sets forth the most restrictive covenants in the credit facility and our status with respect to these covenants as of September 30, 2008.

Events of default under the credit facility include, but are not limited to, payment defaults, covenant defaults, breaches of representations and warranties, cross defaults to certain other material agreements and indebtedness, bankruptcy and other insolvency events, material adverse judgments, actual or asserted invalidity of security interests or loan documentation, and certain change of control events.

We and several of our subsidiaries are parties to the credit agreement and eligible to borrow thereunder, subject to the $250 million aggregate credit limit and continued compliance with debt covenants. Any borrowings by one of these entities under the credit facility reduce the credit available for all the entities. As a result, borrowings by Potlatch TRS under the credit facility will, until repaid, reduce the amount of borrowings otherwise available to us for purposes such as the funding of quarterly distributions.

We believe that our cash, cash flows from continuing operations and available borrowings under our current credit facility, which we expect to replace or extend prior to its expiration in December 2008, will be sufficient to fund our operations, stockholder distributions, capital expenditures and debt service obligations for the next twelve months. We cannot assure, however, that our business will generate sufficient cash flow from operations or that we will be in compliance with the financial covenants in our credit facility so that future borrowings thereunder will be available to us. Thus, our ability to fund our operations and stockholder distributions will be dependent upon our future financial performance, which will be affected by general economic, competitive and other factors, including those discussed above under the heading “Factors Influencing our Results of Operations and Cash Flows,” many of which are beyond our control.

Since October 2005, Standard & Poor’s Ratings Services, or S&P, has rated our senior unsecured debt at BB. Since the first quarter of 2003, Fitch, Inc. has rated our senior unsecured debt at BB+. Fitch affirmed its rating in January 2008, with a positive outlook. Moody’s Investors Service Inc. has rated our senior unsecured debt at Ba1 and our senior secured subordinated debt at Ba2 since October 2004. Moody’s affirmed its rating, with a stable outlook, in December 2007. The interest rate we pay on some of our debt is influenced by our credit ratings. See Item 3, “Quantitative and Qualitative Disclosures About Market Risk” below for additional information.

Our exposure to market risks on financial instruments includes interest rate risk on our short-term investments and unsecured bank credit facility, and credit rate risk on our credit sensitive debentures.

Our short-term investments are invested in time or demand deposits, certificates of deposit and U.S. Treasury and U.S. government agency obligations, all of which have very short maturity periods, and they therefore earn an interest rate commensurate with low-risk instruments. We do not attempt to hedge our exposure to interest rate risk for our short-term investments. All short-term investments are intended to be made in compliance with the requirements of the Internal Revenue Code with respect to qualifying REIT investments.

As of September 30, 2008, there were $113.7 million of borrowings outstanding under our unsecured bank credit facility. The interest rates applied to borrowings under the credit facility are adjusted often and therefore react quickly to any movement in the general trend of market interest rates. For example, a 1% increase or decrease in interest rates, based on our current outstanding credit facility borrowings of $113.7 million, would have a $1.1 million annual effect on interest expense. We do not attempt to mitigate the effects of short-term interest rate fluctuations on our credit facility borrowings through the use of derivative financial instruments.

All of our long-term debt is fixed rate and therefore changes in market interest rates do not expose us to interest rate risk for these financial instruments.

We currently have $100.0 million of credit sensitive debentures outstanding that pay interest to the debt holder based upon our credit ratings as established by S&P or Moody’s. The following table denotes the interest rate applicable based on various credit ratings:

In October 2005, S&P lowered our senior unsecured debt rating to BB stable from BB+. The rating downgrade caused the interest rate on our credit sensitive debentures to increase from 12.5% to 13.0%. Since October 2004, Moody’s has rated our senior unsecured debt at Ba1. Moody’s affirmed this rating, with a stable outlook, in December 2007.

We maintain “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) under the Securities and Exchange Act of 1934 (the Exchange Act), which are designed to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in Securities and Exchange Commission rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer (CEO) and Chief Financial Officer (CFO), as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating our disclosure controls and procedures, we recognize that disclosure controls and procedures, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the disclosure controls and procedures are met. Additionally, in designing disclosure controls and procedures, our management necessarily is required to apply its judgment in evaluating the cost-benefit relationship of possible disclosure controls and procedures. The design of any disclosure controls and procedures also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions.

Subject to the limitations noted above, our management, with the participation of our CEO and CFO, has evaluated the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the fiscal quarter covered by this Quarterly Report on Form 10-Q. Based on that evaluation, the CEO and CFO have concluded that, as of such date, our disclosure controls and procedures are effective to meet the objective for which they were designed and operate at the reasonable assurance level.

There were no changes in our internal control over financial reporting that occurred during the last fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

On September 28, 2005, Ainsworth notified us by letter of its claims under the indemnification provisions of the asset purchase agreement between us and Ainsworth whereby Ainsworth purchased our OSB facilities. The claims involve alleged breaches of representations and warranties regarding the condition of certain of the assets sold to Ainsworth. In July 2006, Ainsworth filed a complaint for breach of contract in the United States District Court for the Southern District of New York seeking an unspecified amount of monetary damages. The federal court case was subsequently dismissed voluntarily, and Ainsworth refiled its complaint in the Supreme Court of the State of New York for the County of New York on September 21, 2006. We believe we have meritorious defenses to the claim, and we are defending ourselves accordingly.

We believe there is no pending or threatened litigation that would have a material adverse effect on our financial position, operations or liquidity.

There are no material changes from the risk factors previously disclosed in our Annual Report on Form 10-K for the year ended December 31, 2007. See Part I, Item 1A, “Risk Factors.”

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


POTLATCH CORPORATION
(Registrant)

By		/s/ Eric J. Cremers
		Eric J. Cremers
		Vice President, Finance and Chief Financial Officer
		(Duly Authorized; Principal Financial Officer)

By		/s/ Terry L. Carter
		Terry L. Carter
		Controller
		(Duly Authorized; Principal Accounting Officer)


601 West 1st Ave., Suite 1600
Spokane, Washington		99201
(Address of principal executive offices)		(Zip Code)


		Page Number
PART I. FINANCIAL INFORMATION

ITEM 1. Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the quarters and nine months ended September 30, 2008 and 2007		2

Consolidated Condensed Balance Sheets at September 30, 2008 and December 31, 2007		3

Consolidated Condensed Statements of Cash Flows for the nine months ended September 30, 2008 and 2007		4

Notes to Consolidated Financial Statements		5 - 14

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		15 - 30

ITEM 3. Quantitative and Qualitative Disclosures About Market Risk		30 - 31

ITEM 4. Controls and Procedures		31

PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings		32

ITEM 1A. Risk Factors		32

ITEM 6. Exhibits		32

SIGNATURES		33

EXHIBIT INDEX		34


	Quarter Ended September 30,						Nine Months Ended September 30,
	2008			2007			2008			2007
Revenues	$	457,075		$	420,546		$	1,289,876		$	1,189,338

Costs and expenses:
Depreciation, depletion and amortization		21,069			20,284			57,204			57,752
Materials, labor and other operating expenses		387,436			330,110			1,081,574			960,244
Selling, general and administrative expenses		19,908			23,134			67,285			64,835
Restructuring charge		—			(140	)		—			2,691

		428,413			373,388			1,206,063			1,085,522

Earnings from continuing operations before interest and taxes		28,662			47,158			83,813			103,816
Interest expense		(8,106	)		(7,380	)		(25,280	)		(22,271	)
Interest income		98			1,047			552			1,943

Earnings from continuing operations before taxes		20,654			40,825			59,085			83,488
Income tax benefit		(5,061	)		(1,708	)		(12,841	)		(394	)

Earnings from continuing operations		25,715			42,533			71,926			83,882

Discontinued operations:
Loss from discontinued operations (including losses on disposal of $(387), $-, $(20,403), and $(35,774))		(763	)		(2,499	)		(24,490	)		(42,791	)
Income tax benefit		(298	)		(979	)		(9,551	)		(4,096	)

		(465	)		(1,520	)		(14,939	)		(38,695	)

Net earnings	$	25,250		$	41,013		$	56,987		$	45,187

Other comprehensive income (loss), net of tax
Defined benefit pension and other postretirement benefit plans:
Amortization of actuarial loss included in net periodic cost, net of tax of $787, $1,008, $2,364, and $3,023	$	1,232		$	1,576		$	3,696		$	4,729
Amortization of prior service credit included in net periodic cost, net of tax of $(167), $(133), $(502), and $(401)		(261	)		(210	)		(784	)		(629	)
Curtailment loss, net of tax of $-, $-, $544, and $-		—			—			830			—

Other comprehensive income, net of tax		971			1,366			3,742			4,100

Comprehensive income	$	26,221		$	42,379		$	60,729		$	49,287

Earnings per common share from continuing operations:
Basic	$	0.65		$	1.09		$	1.82		$	2.15
Diluted		0.65			1.08			1.81			2.13
Loss per common share from discontinued operations:
Basic	$	(0.01	)	$	(0.04	)	$	(0.38	)	$	(0.99	)
Diluted		(0.01	)		(0.04	)		(0.38	)		(0.98	)
Net earnings per common share:
Basic	$	0.64		$	1.05		$	1.45		$	1.16
Diluted		0.63			1.04			1.43			1.15
Distributions per common share	$	0.51		$	0.49		$	1.53		$	1.47
Average shares outstanding (in thousands):
Basic		39,515			39,172			39,432			39,050
Diluted		39,793			39,415			39,713			39,316


	September 30, 2008		December 31, 2007
ASSETS
Current assets:
Cash	$	3,790	$	9,047
Short-term investments		8,453		22,289
Receivables, net		132,249		114,260
Inventories		172,594		169,396
Prepaid expenses		19,986		18,967
Assets held for sale		3,135		—

Total current assets		340,207		333,959

Land, other than timberlands		8,250		8,549
Plant and equipment, at cost less accumulated depreciation		473,583		510,776
Timber, timberlands and related deposits, net		566,071		534,513
Pension assets		118,886		108,435
Other assets		21,621		20,972

	$	1,528,618		$1,517,204


LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Current installments on long-term debt	$	410	$	209
Current notes payable		113,700		110,300
Accounts payable and accrued liabilities		187,520		174,198

Total current liabilities		301,630		284,707

Long-term debt		320,918		321,301
Liability for pensions and other postretirement employee benefits		262,735		261,956
Other long-term obligations		20,026		18,923
Deferred taxes		37,371		51,981
Stockholders’ equity		585,938		578,336

	$	1,528,618	$	1,517,204

Stockholders’ equity per common share	$	14.83	$	14.73
Working capital	$	38,577	$	49,252
Current ratio		1.1:1		1.2:1


	Nine Months Ended September 30,
	2008			2007
CASH FLOWS FROM CONTINUING OPERATIONS
Net earnings	$	56,987		$	45,187
Adjustments to reconcile net earnings to net operating cash flows from continuing operations:
Loss from discontinued operations		2,493			5,712
Loss on disposal of discontinued operations		12,446			32,983
Depreciation, depletion and amortization		57,204			57,752
Proceeds from sales deposited with a like-kind exchange intermediary		(34,626	)		(16,812	)
Basis of real estate sold		7,788			879
Deferred taxes		(17,001	)		(4,305	)
Equity-based compensation expense		5,000			4,284
Employee benefit plans		(5,805	)		(8,671	)
Other		292			572
Working capital changes		(2,760	)		6,156
Excess tax benefit from share-based payment arrangements		(2,103	)		(2,447	)
Income tax benefit related to stock issued in conjunction with stock compensation plans		1,074			2,955

Net cash provided by operating activities from continuing operations		80,989			124,245


CASH FLOWS FROM INVESTING
Change in short-term investments		47,600			(6,820	)
Additions to plant and properties		(47,589	)		(79,238	)
Deposits on timberlands		(27,328	)		(162,280	)
Other, net		205			(501	)

Net cash used for investing activities from continuing operations		(27,112	)		(248,839	)


CASH FLOWS FROM FINANCING
Change in book overdrafts		(7,033	)		2,628
Increase in notes payable		3,400			110,000
Issuance of common stock		3,793			7,955
Repayment of long-term debt		(182	)		(3,131	)
Distributions to common stockholders		(60,405	)		(57,439	)
Excess tax benefit from share-based payment arrangements		2,103			2,447
Other, net		(3,107	)		(1,421	)

Net cash (used for) provided by financing activities from continuing operations		(61,431	)		61,039

Cash flows from continuing operations		(7,554	)		(63,555	)
Cash flows of discontinued operations:
Operating cash flows		2,282			728
Investing cash flows		15			63,100
Financing cash flows		—			—

Increase (decrease) in cash		(5,257	)		273
Cash at beginning of period		9,047			7,759

Cash at end of period	$	3,790		$	8,032

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(Dollars in thousands - except per-share amounts)	Quarter Ended September 30,				Nine Months Ended September 30,
	2008		2007		2008		2007
Earnings from continuing operations	$	25,715	$	42,533	$	71,926	$	83,882

Basic average common shares outstanding		39,514,730		39,171,841		39,431,879		39,050,280
Incremental shares due to:
Common stock options		63,295		76,888		58,639		79,692
Performance shares		180,723		151,484		188,876		170,450
Restricted stock units		33,977		14,348		34,096		15,529

Diluted average common shares outstanding		39,792,725		39,414,561		39,713,490		39,315,951

Basic earnings per common share from continuing operations	$	0.65	$	1.09	$	1.82	$	2.15

Diluted earnings per common share from continuing operations	$	0.65	$	1.08	$	1.81	$	2.13


(Dollars in thousands, except per-share amounts)	Shares		Weighted Avg. Exercise Price		Aggregate Intrinsic Value
Outstanding at January 1	509,284		$	25.08
Shares exercised	(143,319	)		26.47	$	2,760
Shares cancelled	(30	)		35.44


Outstanding and exercisable at September 30	365,935			24.54		7,996


	Options Outstanding and Exercisable
Range of Exercise Prices	Number Outstanding	Weighted Avg. Remaining Contractual Life	Weighted Avg. Exercise Price
$15.8849 to $19.0779	79,000	3.78 years	$	17.47
$21.3279 to $25.1112	158,299	3.88 years		21.87
$27.5226 to $35.4393	128,636	4.10 years		32.16

$15.8849 to $35.4393	365,935	3.93 years		24.54


(Dollars in thousands, except per-share amounts)	Shares		Weighted Avg. Grant Date Fair Value		Aggregate Intrinsic Value
Unvested shares outstanding at January 1	244,933		$	50.80
Granted	91,491			52.75
Forfeited	(12,688	)		50.04

Unvested shares outstanding at September 30	323,736			51.38	$	13,964


(Dollars in thousands)	September 30, 2008		December 31, 2007
Raw materials	$	91,711	$	65,517
Finished goods		80,883		103,879

	$	172,594	$	169,396


	Pension Benefit Plans						Other Postretirement Employee Benefit Plans
(Dollars in thousands)	2008			2007			2008			2007
Service cost	$	2,836		$	3,002		$	648		$	623
Interest cost		9,439			8,566			4,005			3,822
Expected return on plan assets		(15,427	)		(15,604	)		—			—
Amortization of prior service cost (credit)		513			547			(941	)		(890	)
Amortization of actuarial loss		1,017			1,304			1,002			1,280
Curtailments		—			—			—			—

Net periodic cost (benefit)	$	(1,622	)	$	(2,185	)	$	4,714		$	4,835


	Pension Benefit Plans						Other Postretirement Employee Benefit Plans
(Dollars in thousands)	2008			2007			2008			2007
Service cost	$	8,508		$	9,006		$	1,944		$	1,870
Interest cost		28,317			25,700			12,013			11,467
Expected return on plan assets		(46,281	)		(46,814	)		—			—
Amortization of prior service cost (credit)		1,539			1,642			(2,825	)		(2,672	)
Amortization of actuarial loss		3,052			3,912			3,008			3,840
Curtailments		268			—			—			—

Net periodic cost (benefit)	$	(4,597	)	$	(6,554	)	$	14,140		$	14,505


	Quarters Ended September 30,
(Dollars in thousands)	2008			2007			Change
Revenues	$	457,075		$	420,546		$	36,529
Costs and expenses:
Depreciation, depletion and amortization		21,069			20,284			785
Materials, labor and other operating expenses		387,436			330,110			57,326
Selling, general and administrative expenses		19,908			23,134			(3,226	)
Restructuring charge		—			(140	)		140

Earnings from continuing operations before interest and taxes		28,662			47,158			(18,496	)
Interest expense		(8,106	)		(7,380	)		(726	)
Interest income		98			1,047			(949	)
Income tax benefit		(5,061	)		(1,708	)		(3,353	)

Earnings from continuing operations		25,715			42,533			(16,818	)
Discontinued operations, net of tax		(465	)		(1,520	)		1,055

Net earnings	$	25,250		$	41,013		$	(15,763	)

Other comprehensive income, net of tax		971			1,366			(395	)

Comprehensive income	$	26,221		$	42,379		$	(16,158	)


	Nine Months Ended September 30,
(Dollars in thousands)	2008			2007			Change
Revenues	$	1,289,876		$	1,189,338		$	100,538
Costs and expenses:
Depreciation, depletion and amortization		57,204			57,752			(548	)
Materials, labor and other operating expenses		1,081,574			960,244			121,330
Selling, general and administrative expenses		67,285			64,835			2,450
Restructuring charge		—			2,691			(2,691	)

Earnings from continuing operations before interest and taxes		83,813			103,816			(20,003	)
Interest expense		(25,280	)		(22,271	)		(3,009	)
Interest income		552			1,943			(1,391	)
Income tax benefit		(12,841	)		(394	)		(12,447	)

Earnings from continuing operations		71,926			83,882			(11,956	)
Discontinued operations, net of tax		(14,939	)		(38,695	)		23,756

Net earnings	$	56,987		$	45,187		$	11,800

Other comprehensive income, net of tax		3,742			4,100			(358	)

Comprehensive income	$	60,729		$	49,287		$	11,442


(Dollars in thousands)
2009	$	100,410
2010		11
2011		5,011
2012		21,657
2013		8,413


(Dollars in thousands)
	Quarter Ended September 30,						Nine Months Ended September 30,
	2008			2007			2008			2007
Segment Revenues
Resource	$	94,552		$	99,707		$	199,893		$	231,411

Real Estate		6,750			3,679			43,198			12,335

Wood Products
Lumber		68,655			77,513			191,351			229,735
Plywood		11,353			14,247			39,361			41,963
Particleboard		4,456			4,721			14,177			15,313
Other		14,480			9,838			39,538			30,824

		98,944			106,319			284,427			317,835

Pulp and Paperboard
Paperboard		170,532			149,805			483,725			423,292
Pulp		24,856			24,244			72,742			70,479
Other		210			241			604			821

		195,598			174,290			557,071			494,592

Consumer Products		128,517			112,429			370,476			328,614

		524,361			496,424			1,455,065			1,384,787
Elimination of intersegment revenues		(67,286	)		(75,878	)		(165,189	)		(195,449	)

Total consolidated revenues	$	457,075		$	420,546		$	1,289,876		$	1,189,338

Intersegment revenues or transfers
Resource	$	41,442		$	58,715		$	95,672		$	137,015
Wood Products		7,304			4,448			20,535			15,133
Pulp and Paperboard		18,514			12,686			48,901			43,215
Consumer Products		26			29			81			86

Total	$	67,286		$	75,878		$	165,189		$	195,449

Operating Income (Loss)


	Covenant Requirement	Actual Ratio at September 30, 2008
Maximum Funded Indebtedness To Capitalization Ratio	55%	38.9%

Minimum Net Worth	80% of consolidated net worth at March 31, 2006 (1)	125.8%

Minimum Interest Coverage Ratio	2.75 to 1.00	4.55 to 1.00


Ratings
Moody’s	S&P	Applicable Rate(%)
Aaa	AAA	8.825
Aa1 – Aa3	AA+ - AA-	8.925
A1 – Baa2	A+ - BBB	9.125
Baa3	BBB-	9.425
Ba1	BB+	12.500
Ba2	BB	13.000
Ba3	BB-	13.500
B1 or lower	B+ or lower	14.000


	Expected Maturity Date (as of September 30, 2008)
	2008			2009			2010			2011			2012			Thereafter			Total
Long-term debt:
Fixed rate	$	-		$	100,410		$	11		$	5,011		$	21,657		$	194,239		$	321,328
Average interest rate		6.0	%		13.0	%		6.5	%		8.6	%		8.3	%		6.8	%		8.9	%
Fair value at 9/30/08																			$	338,315


EXHIBIT NUMBER		DESCRIPTION
(4)		Registrant undertakes to furnish to the Commission, upon request, any instrument defining the rights of holders of long-term debt.

(10)(b)(ii)¹*		Amendment to the Potlatch Forest Products Corporation Severance Program for Executive Employees, dated September 18, 2008, filed as Exhibit 10(b)(ii) to Current Report on Form 8-K filed by Registrant on September 24, 2008.

(10)(q)(iii)¹*		Addendum to Employment Agreement between Michael J. Covey and Potlatch Corporation, effective September 19, 2008, filed as Exhibit 10(q)(iii) to Current Report on Form 8-K filed by Registrant on September 24, 2008.

(31)		Rule 13a-14(a)/15d-14(a) Certifications.

(32)		Furnished statements of the Chief Executive Officer and Chief Financial Officer under 18 U.S.C. Section 1350.