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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-Q

Commission file number 333-92383

CHARLES RIVER LABORATORIES
INTERNATIONAL, INC.
(Exact Name of Registrant as specified in its Charter)

        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 ý    No o

        Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange Act). Yes ý    No o

        As of October 17, 2003, there were 45,769,228 shares of the registrant's common stock outstanding.

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
FORM 10-Q
For the Quarterly Period Ended September 27, 2003
Table of Contents

Special Note on Factors Affecting Future Results

        Certain statements contained in this Quarterly Report on Form 10-Q constitute "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements included in this Quarterly Report, other than statements of historical facts, regarding our strategy, future operations, financial position, estimated revenues, projected costs, prospects, plans and objectives are forward-looking statements. You can identify these statements by forward-looking words such as "expect," "anticipate," "believe," "estimate," "plan," and "project" and other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These statements are based on management's current expectations and involve a number of risks and uncertainties that could cause actual results to differ materially from those stated or implied by the forward-looking statements and the Company expressly does not undertake any duty to update forward-looking statements, which speak only as of the date of this report. Those risks and uncertainties include, but are not limited to: a decrease in pre-clinical research and development spending or a decrease in the level of outsourced services; acquisition integration risks; the activities of special interest groups; contaminations; industry trends; new displacement technologies; USDA and FDA regulations; changes in law; continued availability of products and supplies; loss of key personnel; interest rate and foreign currency exchange fluctuations; changes in generally accepted accounting principles; and any changes in business, political, or economic conditions due to the threat of future terrorist activity in the U.S. and other parts of the world, and related U.S. military action overseas. These factors should be considered carefully and readers should not place undue reliance on our forward-looking statements.

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Part I. Financial Information

Item 1. Financial Statements

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)

(dollars in thousands, except per share amounts)

See Notes to Condensed Consolidated Financial Statements

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)

(dollars in thousands, except per share amounts)

See Notes to Condensed Consolidated Financial Statements

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)

(dollars in thousands)

See Notes to Condensed Consolidated Financial Statements

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

(dollars in thousands)

See Notes to Condensed Consolidated Financial Statements

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS

(dollars in thousands, except per share amounts)

1. Basis of Presentation

        The condensed consolidated interim financial statements are unaudited, and certain information and footnote disclosures related thereto normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States of America have been omitted in accordance with Rule 10-01 of Regulation S-X. In the opinion of management, the accompanying unaudited condensed consolidated financial statements were prepared following the same policies and procedures used in the preparation of the audited financial statements and reflect all adjustments (consisting of normal recurring adjustments) considered necessary to present fairly the financial position and results of operations of Charles River Laboratories International, Inc. (the "Company"). The results of operations for the interim periods are not necessarily indicative of the results for the entire fiscal year. These condensed consolidated financial statements should be read in conjunction with the Company's Annual Report on Form 10-K for the year ended December 28, 2002.

        Certain amounts in prior-year financial statements and related notes have been reclassified to conform with current-year presentation.

2. Long-Term Debt

        On March 31, 2003, The Company entered into a revolving credit agreement which matures on March 31, 2006. The agreement permits the Company to borrow up to $100,000 at an interest rate based on, at the Company's option, the greatest of the Prime Rate, the Base CD Rate plus 1%, and the Federal Funds Effective Rate plus 0.5%, or LIBOR multiplied by the Statutory Reserve Rate plus a spread of 1.25% to 2.50% based on the leverage ratio of the Company and the aggregate borrowing under the revolving credit agreement. Interest is payable, ranging from monthly to semi-annually, based on the Company's option of interest rate selected. The credit agreement requires the Company to pay a quarterly commitment fee which ranges from 25 through 50 basis points annually on the undrawn balance, based on the leverage ratio of the Company. The agreement also requires the Company to remain in compliance with certain financial ratios as well as other restrictive covenants. No amounts were outstanding under the credit agreement as of September 27, 2003.

        On September 26, 2002, the Company terminated its then existing revolving credit facility. The Company recorded a loss of $613 due to the write-off of deferred financing costs.

        On May 29, 2002, the Company repaid all of the outstanding senior secured term loan facilities, including $14,000 term loan A facility, $41,100 term loan B facility and $13,500 term loan C facility. The Company recorded a loss of $1,790 due to the write-off of deferred financing costs.

        On February 14, 2002, the Company completed a tender offer for $79,728 par value for all of its 13.5% senior subordinated notes. The Company recorded a loss of $27,479 due to the payment of premiums related to the early extinguishment of debt ($23,886), the write-off of deferred financing costs ($2,726) and issuance discounts ($867).

        Effective at the beginning of fiscal year 2003, the Company adopted Statement of Financial Accounting Standards (SFAS) No. 145, "Rescission of FASB Statements No. 4, 44, and 64, Amendment of FASB Statement No. 13, and Technical Corrections." SFAS No. 145 eliminates the requirement that gains and losses from the extinguishment of debt be aggregated and, if material, classified as an extraordinary item, net of the related income tax effect. However, an entity would not be prohibited from classifying such gains and losses as extraordinary items so long as they are both unusual in nature

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and infrequent in occurrence. As the tender offer, repayment of the senior secured term loan facilities and termination of the then existing revolving credit facility were not unusual in nature nor infrequent in occurrence, the extraordinary loss before tax for the three and nine months ended September 28, 2002 of $613 and $29,882, respectively, was reclassified to loss on debt retirement. The related tax benefit for the three and nine months ended September 28, 2002 of $236 and $11,651, respectively, was reclassified to the provision for income taxes in the condensed consolidated statements of income.

        On January 24, 2002, the Company issued $175,000 par value of senior convertible debentures through a private placement offering. On February 11, 2002, the Company issued an additional $10,000 par value of senior convertible debentures through the additional purchase option. The Company received approximately $179,450, net of underwriting discounts. The senior convertible debentures accrue interest at an initial annual rate of 3.5% which will reset (but not below the initial rate of 3.5% or above 5.25%) on August 1, 2007, August 1, 2012 and August 1, 2016. Interest is payable semi-annually in arrears, beginning August 1, 2002. The senior convertible debentures mature in 2022 and are convertible into shares of the Company's common stock at a conversion price of $38.87, subject to adjustment under certain circumstances. On or after February 5, 2005, the Company may redeem for cash all or part of the debentures that have not been previously converted at the redemption prices set forth in the purchase agreement. Holders may require the Company to repurchase for cash all or part of their debentures on February 1, 2008, February 1, 2013 or February 1, 2017 at a price equal to 100% of the par value of the debentures plus accrued interest up to but not including the date of repurchase. In addition, upon a change in control of the Company occurring on or prior to February 1, 2022, each holder may require the Company to repurchase all or a portion of such holder's debentures for cash. The Company used a portion of the net proceeds from the senior convertible debenture offering to retire all of the 13.5% senior subordinated notes through a tender offer.

3. Business Acquisitions

        Effective January 2, 2003, the Company acquired an additional 19% of the equity (404,321 common shares) of Charles River Japan from Ajinomoto Company, Inc., the minority interest partner, which has increased the Company's ownership to 85% of the outstanding shares. The purchase price for the equity was 1.3 billion yen, or $10,841, which was paid in cash. The Company recorded goodwill of $2,553 based on preliminary purchase price allocation in the first quarter. The Company has reallocated this amount to fixed assets based on an independent valuation of these fixed assets, which was completed during the second quarter. Charles River Japan is an extension of the Company's research model business.

        During the first quarter of 2003, the Company recorded a deferred tax liability of $6,000 associated with prior-year acquisitions. This resulted in an increase in goodwill of $6,000.

        On June 7, 2002, Charles River Europe GmbH, a subsidiary of the Company, acquired 100% of the voting equity interests of privately-held Biological Laboratories Europe Limited (BioLabs). Consideration, including acquisition expenses, was $22,900, net of cash acquired of $2,998. The consideration consisted of $21,012 in cash and $1,888 in future payments, of which approximately $629 is recorded in current liabilities and the remaining amount is recorded in long-term liabilities, which are to be paid to certain former shareholders of BioLabs over a three-year period. During the third quarter

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of 2003, the Company paid $746 to certain former shareholders of BioLabs, which represents one-third of the required future payments to be made by the Company based on the share purchase agreement. BioLabs, located in western Ireland, provides a broad range of services supporting the discovery, development and manufacturing of pharmaceutical, medical devices and animal and human health products. BioLabs was acquired to strengthen the Company's existing biomedical products and services segment by adding new capabilities to service the global animal health and medical device industry. The acquisition was recorded as a purchase business combination in accordance with SFAS No. 141.

        The following selected unaudited pro forma consolidated results of operations are presented as if each acquisition had occurred as of the beginning of 2002, after giving effect to certain adjustments for additional interest expense and related income tax effects. The pro forma data is for informational purposes only and does not necessarily reflect the results of operations had the companies operated as one during the period. No affect has been given for synergies, if any, that may have been realized through acquisitions.

        Refer to Note 7 for further discussion of the method of computation of earnings per share.

4. Litigation Settlement

        On March 28, 2003, the Company's French subsidiaries, which are included in the biomedical products and services segment, settled a pending breach of contract claim against a customer. The Company's French subsidiaries had previously been awarded damages of approximately $4,600 by the Commercial Court of Lyon and the damages award was stayed pending appeal by the customer at the French Supreme Court. The final settlement of this dispute was for a gross value of approximately $3,750, resulting in the retention by the Company's French subsidiaries of the amount previously deposited by the customer, pursuant to the order of the Commercial Court of Lyon and recorded in deferred income in the consolidated balance sheet. During 2000, the Company recognized approximately $350 of the damages award to offset a portion of subcontractor costs incurred based on the indemnification clause in the original customer agreement. After legal and related expenses, the Company's French subsidiaries recorded a net gain for the retained settlement amount of $2,908, which was recorded in the first quarter of 2003 as other operating income in the condensed consolidated statements of income.

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5. Asset Impairment Charge

        During the first quarter of 2003, the Company re-evaluated the marketability of certain long-lived assets related to a biopharmaceutical production facility in Maryland, which is included in the biomedical products and services segment, due to a significant decline in market interest in purchasing these assets. Since the Company was unable to locate a buyer for these assets, an impairment charge was recognized because future undiscounted cash flows were estimated to be insufficient to recover the related book value. The Company recorded an asset impairment charge of $3,655 for the write-down of those assets including a net write-down of leasehold improvements of $2,195 and machinery and equipment of $1,460. The charge was recorded as other operating expenses in the condensed consolidated statements of income.

6. Restructuring Charges

        During the second quarter of 2003, the Company recorded a charge of $871 for severance to employees who were terminated as part of a cost savings program. The Company recorded $613 of the charge to cost of services provided and $258 to selling, general and administrative expenses in the condensed consolidated statements of income. Approximately 100 employees, mainly technicians, technical support and administrative staff, were terminated as part of the cost savings program.

        During the fourth quarter of 2001, the Company recorded restructuring charges of $1,788, including asset disposals of $1,041, employee separation of $477 and other charges of $270, associated with the closure of a San Diego, California, facility. The restructuring plan included the termination of approximately 40 employees and the exit of a facility utilized under an operating lease. All terminated employees had separated from the Company by the end of the third quarter of 2002. During 2002, the Company recorded an additional $292 charge relating to the lease obligation at the facility based on the Company's revised estimate of expected sublease income generated over the remaining lease term. During the third quarter of 2003, the Company recorded an additional $396 charge relating to the remaining lease obligation at the facility due to adverse rental market conditions in the San Diego area.

        During the fourth quarter of 2000, the Company recorded restructuring charges of $1,290, including asset disposal of $212, associated with the closure of a facility in France. During 2001, the Company recorded additional charges of $1,915, which included a write down of assets held for sale of $400 and additional severance payments and other related expenses of $1,515, relating to the settlement of labor disputes which originated during the first quarter of 2001. Approximately 60 employees were terminated as a result of the restructuring. All terminated employees had separated from the Company by the end of the third quarter 2002.

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        A summary of the activities associated with the above charges and the related liabilities balance are as follows:

The Company has closed both the San Diego facility and the French facility and expects all the above reserves to be fully utilized by 2004.

7. Earnings per Share

        Basic earnings per share for the three and nine months ended September 27, 2003 and September 28, 2002 were computed by dividing earnings available to common shareholders for these periods by the weighted average number of common shares outstanding in the respective periods. The weighted average number of common shares outstanding in the three and nine months ended September 27, 2003 and September 28, 2002 have been adjusted to include common stock equivalents for the purpose of calculating diluted earnings per share for these periods.

        Options to purchase 215,550 and 43,900 shares were outstanding at September 27, 2003 and September 28, 2002, respectively, but were not included in computing diluted earnings per share in each of the respective three months ended because their inclusion would have been anti-dilutive. Options to purchase 3,268,959 and 82,936 shares were outstanding at September 27, 2003 and September 28, 2002, respectively, but were not included in computing diluted earnings per share in each of the respective nine months ended because their inclusion would have been anti-dilutive.

        Basic weighted average shares outstanding for the three and nine months ended September 27, 2003 and September 28, 2002 excluded the weighted average impact of 20,000 and 30,000 contingently issuable shares, respectively. In addition, weighted average shares outstanding for the three and nine months ended September 27, 2003 and September 28, 2002 excluded the weighted average impact of 72,139 and 61,669 shares, respectively, of non-vested fixed restricted stock awards.

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        The following table illustrates the reconciliation of the numerator and denominator of the basic and diluted earnings per share computations:

8. Stock-Based Compensation Plans

        As permitted under SFAS No. 123, "Accounting for Stock-Based Compensation," the Company accounts for its stock-based compensation plans using the intrinsic value method prescribed by Accounting Principles Board (APB) Opinion No. 25, "Accounting for Stock Issued to Employees," and Financial Accounting Standards Board (FASB) Interpretation No. 44, "Accounting for Certain Transactions Involving Stock Compensation—an interpretation of APB Opinion No. 25." Also, the Company accounts for variable restricted stock grants under the provisions of FASB Interpretation No. 28, "Accounting for Stock Appreciation Rights and Other Variable Stock Option or Award Plans." The Company recognizes compensation expenses for fixed and variable restricted stock grants over the restriction period.

        SFAS No. 123 as amended by SFAS No. 148, "Accounting for Stock-Based Compensation-Transition and Disclosure, an Amendment of FASB Statement No. 123," requires the presentation of certain pro forma information as if the Company had accounted for its employee stock options under the fair value method. For purposes of this disclosure, the fair value of the fixed option grants was estimated using the Black-Scholes option pricing model.

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        The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options which have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility and expected life of the options. Because the Company's employee stock options have characteristics significantly different from those of traded options, and because changes in the subjective input assumptions can materially affect the fair value estimates, in management's opinion, the existing models do not necessarily provide a reliable single measure of the fair value of its employee stock options. However, for each period presented, management believes the Black-Scholes model is the most appropriate option valuation model for the Company.

        Had compensation expense for the Company's option grants been recognized consistent with the provisions of SFAS No. 123 as amended by SFAS No. 148, the Company's net income and earnings per share for the three and nine months ended September 27, 2003 and September 28, 2002 would have been reduced to the pro forma amounts indicated below:

9. Restricted Stock

        Under the Company's 2000 Incentive Plan, restricted common stock of the Company may be granted at no cost to officers and key employees. Plan participants are entitled to cash dividends and to vote their respective shares. Restrictions limit the sale or transfer of these shares until they vest, which is typically over a three year period. Upon issuance of restricted stock awards under the plan, unearned compensation equivalent to the market value at the date of grant is charged to shareholders' equity and subsequently amortized to expense over the restriction period. On July 23, 2003, the Company granted 32,300 restricted stock awards and recorded $1,062 as unearned compensation in shareholders' equity. During the three and nine months ended September 27, 2003, the Company recorded $301 and $712, respectively, in compensation expense for these awards and 91,669 restricted stock awards previously issued.

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10. Marketable Securities

        The Company accounts for its investments in marketable securities in accordance with SFAS No. 115, "Accounting for Certain Investments in Debt and Equity Securities." Investments in marketable securities consist of corporate debt securities and U.S. government securities and obligations which are classified as securities available for sale.

        Unrealized holding gains and losses, net of related tax effect, on securities available-for-sale are excluded from earnings and are reported in accumulated other comprehensive income in the consolidated balance sheet until realized. Interest income is recognized when earned. Realized gains and losses for securities classified as available for sale are included in earnings and are determined using the specific identification method.

        The amortized cost, gross unrealized gains, gross unrealized losses and fair value for marketable securities available for sale by major security type were as follows:

        There were no sales of available-for-sale marketable securities at September 27, 2003.

        Maturities of corporate debt securities and U.S. government securities and obligations classified as available for sale at September 27, 2003 were as follows:

        Marketable securities due after one year are included in other assets on the condensed consolidated balance sheets.

11. Supplemental Balance Sheet Information

        The composition of inventories is as follows:

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        Inventories are stated at the lower of cost or market. Cost is determined principally on the average cost method. Costs for large animals are accumulated in inventory until the animals are sold.

        The composition of property, plant and equipment is as follows:

12. Comprehensive Income

        The components of comprehensive income for the three and nine months ended September 27, 2003 and September 28, 2002 are set forth below:

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13. Income Taxes

        During the third quarter of 2002, in conjunction with the state tax planning initiatives and the completion of the 2001 state income tax returns, the Company reassessed the valuation allowance on the deferred tax assets associated with state net operating loss carryforwards. As a result of the reassessment, $473 of the valuation allowance was released and recorded as a tax benefit.

14. Commitments and Contingencies

        Various lawsuits, claims and proceedings of a nature considered normal to its business are pending against the Company. In the opinion of management, the outcome of such proceedings and litigation currently pending will not materially affect the Company's consolidated financial statements.

        As of September 27, 2003 and December 28, 2002, the Company had $5,213 and $4,708 outstanding under letters of credit, respectively.

15. Business Segment Information

        The following table presents sales and other financial information by product line segment for the three and nine months ended September 27, 2003 and September 28, 2002. Sales to unaffiliated customers represent net sales originating in entities primarily engaged in either biomedical products and services or research models.

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        A reconciliation of segment operating income to consolidated operating income is as follows:

        A summary of unallocated corporate overhead consists of the following:

        Other general unallocated corporate expenses consist of various costs including those associated with senior executive salaries and departments such as corporate accounting, legal and investor relations.

        A summary of total assets of each business segment is as follows:

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16. Goodwill and Other Intangible Assets

        The following table displays goodwill and other intangible assets not subject to amortization and other intangible assets that continue to be subject to amortization:

        The changes in the gross carrying amount and accumulated amortization of goodwill from December 28, 2002 to September 27, 2003 are as follows:

        Estimated amortization expense for each of the next five years is as follows:

17. Recently Issued Accounting Standards

        In May 2003, the FASB issued SFAS No.150, "Accounting for Certain Financial Instruments with Characteristics of Both Liabilities and Equity." This statement establishes standards for how an issuer

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classifies and measures certain financial instruments with characteristics of both liabilities and equity. SFAS No. 150 is effective for financial instruments entered into or modified after May 31, 2003. This statement does not result in any material change to the Company's existing reporting.

        In July 2001, the FASB issued SFAS No. 143, "Accounting for Asset Retirement Obligations." SFAS No. 143 requires entities to record the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the entity is required to capitalize the cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. The Company adopted SFAS No. 143 as of the beginning of fiscal year 2003. The adoption of SFAS No. 143 did not have any material effect on the Company's consolidated financial statements.

        In July 2002, the FASB issued SFAS No. 146, "Accounting for Costs Associated with Exit or Disposal Activities," which nullifies EITF Issue No. 94-3, "Liability Recognition for Certain Employee Termination Benefits and Other Costs to Exit an Activity (including Certain Costs Incurred in a Restructuring)." SFAS No. 146 requires a liability for a cost associated with an exit or disposal activity be recognized and measured initially at its fair value in the period in which the liability is incurred. If fair value cannot be reasonably estimated, the liability shall be recognized initially in the period in which fair value can be reasonably estimated. In periods subsequent to the initial measurement, changes to the liability resulting from a revision to either the timing or the amount of estimated cash flows shall be recognized as an adjustment to the liability in the period of the change. The Company adopted the provisions of SFAS No. 146 as of the beginning of fiscal year 2003. The adoption of SFAS No. 146 did not have any material effect on the Company's consolidated financial statements.

        In November 2002, the FASB issued FASB Interpretation No. 45 (FIN 45), "Guarantor's Accounting and Disclosure Requirements for Guarantees, Including Indirect Guarantees of Indebtedness of Others, an interpretation of SFAS Nos. 5, 57, and 107 and Rescission of FASB Interpretation No. 34." FIN 45 clarifies the requirements of SFAS No. 5, "Accounting for Contingencies," relating to the guarantor's accounting for, and disclosure of, the issuance of certain types of guarantees. FIN 45 requires that, upon issuance of a guarantee, the guarantor must recognize a liability for the fair value of the obligation. FIN 45 is applicable to guarantees that encompass guarantees based on changes in an underlying asset, liability or equity security, guarantees that are made on behalf of another entity's performance, certain indemnification agreements and indirect guarantees of the indebtedness of others. The recognition and measurement provisions of FIN 45 are effective prospectively for guarantees issued or modified after December 31, 2002. The disclosure requirements are effective for reporting periods ending after December 15, 2002. The Company has made the required disclosures in the consolidated financial statements as of December 28, 2002. The adoption of FIN 45 did not have any material effect on the Company's consolidated financial statements.

        In November 2002, the EITF reached final consensus on EITF Issue No. 00-21, "Accounting for Revenue Arrangements with Multiple Deliverables." EITF Issue No. 00-21 addresses certain aspects of a vendor's accounting for arrangements under which it will perform multiple revenue-generating activities. It provides additional guidance as to how revenue should be measured and allocated to the separate units of accounting. EITF Issue No. 00-21 is effective prospectively for revenue arrangements entered into during fiscal periods beginning after June 15, 2003. The adoption of EITF Issue No. 00-21 did not have a material effect on the Company's consolidated financial statements.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Overview

        We are a leading provider of critical research tools and integrated support services that enable innovative and efficient drug discovery and development. We are the global leader in providing the animal research models required in research and development for new drugs, devices and therapies and have been in business for more than 55 years.

        We believe our financial performance in the third quarter demonstrated continued strength in our global business operations, with solid revenue growth, strong profitability, and excellent cash flow. Some of our customers have reduced their outsourcing requirements in some areas of our business, moderating the rate of growth we experienced in the recent past, but nevertheless the demand for our products and services remained at healthy, sustainable levels. Within our customer base, some pharmaceutical companies have experienced a challenging year from an earnings growth perspective, and some of their cost containment efforts adversely impacted buying patterns for certain of our products and services as the year progressed. In a similar way, some small and mid-sized biotechnology companies have experienced financing difficulties, and a small number of our customers in this industry significantly reduced their business activity with us due to financial constraints or difficulties. Despite these market trends, because of the depth and breadth of our portfolio of businesses, we experienced strong growth in our discovery businesses within our biomedical products and services segment, followed by solid but somewhat lower growth in our research model segment. Our development services unit experienced a year-over-year decline in revenues, but within that group we saw improved performance in some key areas that suggest both near and long-term improvements in growth and profitability. Finally, our growth strategy has long included the acquisition of small companies to serve as growth platforms. To date this year we have not added any new platforms, with the result being a diminished overall rate of reported growth.

        Total net sales for the third quarter of 2003 were $151.2 million, an increase of 7.0% over the same period last year. Favorable foreign currency translation contributed approximately 2.5% to the net sales gain. Net sales attributable to Springborn Laboratories, Inc. (Springborn), which we acquired in 2002, contributed 2.7% to the net sales gain. Our gross margin decreased to 37.4% of net sales, compared to 37.8% of net sales for the same period last year. Operating income for the third quarter of 2003 rose to $34.3 million, an increase of 5.3% over the same period last year. The operating margin decreased slightly to 22.7% compared to 23.0% achieved in the third quarter of last year. Last year's third-quarter results included a charge of $0.6 million for the early retirement of debt. Net income for the third quarter of 2003 was $19.6 million compared to $18.5 million for the third quarter of 2002.

        On a year-to-date basis, total net sales were $457.7 million, an increase of 11.2% over the same period last year. Favorable foreign currency translation contributed approximately 3.9% to the net sales gain. Net sales attributable to Biological Laboratories Europe Limited (BioLabs) and Springborn, which we acquired in 2002, contributed 4.2% to the net sales gain. Our gross margin increased to 38.0% of net sales, compared to 37.9% of net sales for the same period last year. The year-to-date results include a net charge of $1.6 million, recorded in the biomedical products and services segment, related to a cost savings program for our development services unit, a litigation settlement in our favor related to our French subsidiaries and an asset impairment charge related to our biopharmaceutical production facility in Maryland. Operating income on a year-to-date basis increased 12.9% over last year. On a year-to-date basis, the operating margin increased to 22.5% compared to 22.2% for last year. Last year's results included a charge of $29.9 million for the early retirement of debt. Net income was $59.5 million compared to $32.6 million last year.

        We have two segments for financial reporting purposes: biomedical products and services and research models.

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        Our biomedical products and services segment consists of four business units: discovery services, development services, in vitro technology and vaccine support products. Our biomedical products and services segment represented 60.3% of net sales in the third quarter of 2003. Sales for this segment increased 7.8% over the same period last year. Favorable foreign currency translation contributed approximately 1.6% of the net sales gain. The acquisition of Springborn contributed 4.5% to the net sales growth in the third quarter of 2003. Our biomedical products and services segment continued to be adversely affected by the development services market. We continue to believe that the decline in spending on development services, such as ours, by pharmaceutical and biotechnology drug companies that we began to experience in the fourth quarter of 2002 will continue to adversely affect the growth of our biomedical products and services segment at least through the end of fiscal 2003. While the general decline in spending continues, we see improving levels of customer demands in certain of our development services businesses, particularly large animal and reproductive toxicology, as well as strong growth in interventional pharmacology services. Our discovery services, in vitro technology and vaccine support products continue to achieve strong sales growth compared to last year. Operating income for our biomedical products and services segment increased to 20.6% of net sales for the third quarter of 2003 from 20.2% for the same period last year on the strength of the our discovery services, in vitro technology and vaccine support products.

        Sales on a year-to-date basis for our biomedical products and services segment increased 11.2% over the same period last year. Operating income decreased to 18.3% of net sales through the third quarter of 2003, compared to 19.7% through the third quarter of 2002.

        Our research models business segment represented 39.7% of net sales for the third quarter of 2003. Net sales for this segment increased 5.7% over the same period in 2002. Our research models business sales growth was affected by the pharmaceutical company mergers, tighter pharmaceutical research and development spending, continued financing pressures among small to mid-sized biotechnology companies and a more pronounced seasonality in the third quarter. Favorable foreign currency translation contributed approximately 4.0% of the net sales gain. Operating income decreased to 31.2% of net sales for the third quarter of 2003, compared to 32.8% of net sales for the same period last year.

        Our research models business net sales on a year-to-date basis increased 11.2% over the same period in 2002. The net sales increase drove a 15.1% improvement in operating income, which increased to 34.7% of net sales through the third quarter of 2003, compared to 33.6% of net sales for the same period last year.

Three Months Ended September 27, 2003 Compared to Three Months Ended September 28, 2002

        Net Sales.    Net sales for the three months ended September 27, 2003 were $151.2 million, an increase of $9.8 million, or 7.0%, from $141.4 million for the three months ended September 28, 2002.

        Biomedical Products and Services.    Net sales of biomedical products and services for the three months ended September 27, 2003 were $91.2 million, an increase of $6.6 million, or 7.8%, compared to $84.6 million for the three months ended September 28, 2002. The increase was primarily due to the continued growth in our discovery services, our 2002 acquisition of Springborn and the consolidation of our Mexican joint venture partially offset by the decline in demand for our development services. The acquisition of Springborn contributed $3.8 million to the net sales growth for the three months ended September 27, 2003. Sales of our discovery services continued to be driven by our transgenic services and contract staffing business units. Sales of our vaccine support business increased significantly for the three months ended September 27, 2003 due principally to the consolidation of our Mexican joint venture and to increased product sales and increased pricing. The consolidation of our Mexican joint venture added $1.6 million of sales for the three months ended September 27, 2003. Sales at our development business decreased primarily due to reduced sales of bioanalytical chemistry, safety

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assessment, business at our contract biopharmaceutical production and biosafety testing, partially offset by the 2002 acquisition of Springborn. Sales of our in vitro technologies business increased on the strength of the North American and European markets.

        Research Models.    Net sales of research models for the three months ended September 27, 2003 were $60.0 million, an increase of $3.2 million, or 5.7%, from $56.8 million for the three months ended September 28, 2002. Sales of our small animal research models in North America, which comprised 44.3% of research models sales during the quarter, increased 6.9% due to improved pricing of 5.0%, an increase in unit volume and a shift to higher-priced specialty units. Sales of our small animal research models in Europe, which comprised 27.1% of research models sales during the quarter, increased 9.4%, driven in part by the positive impact from currency translation of 12.2% and improved pricing of 3.0% partially offset by a decline in equipment volume. Sales of our small animal research models in Japan, which comprised 21.3% of research models sales in the quarter, increased 3.6%. The increase was due to the favorable impact from currency translation of 1.2% and increased unit sales. Sales from our large animal breeding and import conditioning business decreased $0.4 million in the third quarter of 2003.

        Cost of Products Sold and Services Provided.    Cost of products sold and services provided for the three months ended September 27, 2003 was $94.7 million, an increase of $6.8 million, or 7.8%, from $87.9 million for the three months ended September 28, 2002. Cost of products sold and services provided for the three months ended September 27, 2003 were 62.6% of net sales compared to 62.2% for the three months ended September 28, 2002.

        Biomedical Products and Services.    Cost of products sold and services provided for biomedical products and services for the three months ended September 27, 2003 was $60.5 million, an increase of $4.0 million, or 7.0%, compared to $56.5 million for the three months ended September 28, 2002. Cost of products sold and services provided for the three months ended September 27, 2003 was 66.3% of net sales compared to 66.8% for the three months ended September 28, 2002 due mainly to improved capacity utilization in our discovery and vaccine support business partially offset by lower sales volume in some of our development services businesses.

        Research Models.    Cost of products sold and services provided for research models for the three months ended September 27, 2003 was $34.2 million, an increase of $2.8 million, or 9.1%, compared to $31.4 million for the three months ended September 28, 2002. Cost of products sold and services provided for the three months ended September 27, 2003 increased to 57.1% of net sales compared to 55.3% of net sales for the three months ended September 28, 2002, primarily from reduced capacity utilization compared to last year.

        Selling, General and Administrative Expenses.    Selling, general and administrative expenses for the three months ended September 27, 2003 were $21.0 million, an increase of $1.0 million, or 4.9%, from $20.0 million for the three months ended September 28, 2002. Selling, general and administrative expenses for the three months ended September 27, 2003 were 13.9% of net sales compared to 14.2% of net sales for the three months ended September 28, 2002.

        Biomedical Products and Services.    Selling, general and administrative expenses for biomedical products and services for the three months ended September 27, 2003 were $10.7 million, an increase of $0.6 million, or 6.1%, compared to $10.1 million for the three months ended September 28, 2002. Selling, general and administrative expenses for the three months ended September 27, 2003 were 11.7% of net sales compared to 11.9% of net sales for the three months ended September 28, 2002.

        Research Models.    Selling, general and administrative expenses for research models for the three months ended September 27, 2003 were $7.0 million, an increase of $0.2 million, or 3.9%, compared to $6.8 million for the three months ended September 28, 2002. Selling, general and administrative

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expenses for the three months ended September 27, 2003 were 11.7% of net sales, compared to 11.9% for the three months ended September 28, 2002, principally due to continued focus on limiting operating expenses growth.

        Unallocated Corporate Overhead.    Unallocated corporate overhead, which consists of various corporate expenses including those associated with senior executive salaries and departments such as corporate accounting, legal and investor relations, was $3.3 million for the three months ended September 27, 2003, compared to $3.2 million for the three months ended September 28, 2002. The increase was due mainly to higher pension expense partially offset by lower bonuses compared to last year.

        Amortization of Other Intangibles.    Amortization of other intangibles for the three months ended September 27, 2003 was $1.2 million, compared to $0.9 million for the three months ended September 28, 2002. The increase was due to the businesses we acquired in 2002.

        Operating Income.    Operating income for the three months ended September 27, 2003 was $34.3 million, an increase of $1.8 million, or 5.3%, from $32.5 million for the three months ended September 28, 2002. Operating income for the three months ended September 27, 2003 was 22.7% of net sales, compared to 23.0% of net sales for the three months ended September 28, 2002.

        Biomedical Products and Services.    Operating income from sales of biomedical products and services for the three months ended September 27, 2003 was $18.8 million, an increase of $1.7 million, or 10.2%, from $17.1 million for the three months ended September 28, 2002. Operating income from sales of biomedical products and services for the three months ended September 27, 2003 increased to 20.6% of net sales, compared to 20.2% of net sales for the three months ended September 28, 2002. The increase in the operating income as a percentage of sales was due to the increased discovery services and vaccine support sales, partially offset by a decline in sales of our development services.

        Research Models.    Operating income from sales of research models for the three months ended September 27, 2003 was $18.7 million, an increase of $0.1 million, or 0.6%, from $18.6 million for the three months ended September 28, 2002. Operating income from sales of research models for the three months ended September 27, 2003 was 31.2% of net sales, compared to 32.8% for the three months ended September 28, 2002.

        Interest Expense.    Interest expense for the three months ended September 27, 2003 was $2.2 million compared to $2.3 million for the three months ended September 28, 2002.

        Loss on Debt Retirement.    During the third quarter of 2002, we recorded a loss of $0.6 million relating to the write-off of deferred financing costs in connection with the termination of the then existing revolving credit facility. On prior-year statements, this loss was recorded as an extraordinary item.

        Income Taxes.    The effective tax rate for the three months ended September 27, 2003 was 38.5% compared to the effective tax rate of 37.6%, excluding an $0.5 million benefit associated with the release of a tax valuation allowance, for the three months ended September 28, 2002. During the third quarter of 2002, we reassessed the valuation allowance relating to state income taxes due to recent tax planning undertaken and the completion of the 2001 state income tax returns. No additional tax valuation allowance was necessary as of September 27, 2003.

        Net Income.    Net income for the three months ended September 27, 2003 was $19.6 million, compared to $18.5 million for the three months ended September 28, 2002.

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Nine Months Ended September 27, 2003 Compared to Nine Months Ended September 28, 2002

        Net Sales.    Net sales for the nine months ended September 27, 2003 were $457.7 million, an increase of $46.0 million, or 11.2%, from $411.7 million for the nine months ended September 28, 2002.

        Biomedical Products and Services.    Net sales of biomedical products and services for the nine months ended September 27, 2003 were $268.5 million, an increase of $27.0 million, or 11.2%, compared to $241.5 million for the nine months ended September 28, 2002. Net sales of biomedical products and services represented 58.7% of net sales. The increase was primarily due to our 2002 acquisitions and continued growth in outsourcing of discovery services. The acquisitions of BioLabs and Springborn contributed $20.5 million, or 7.1%, to the net sales growth for the nine months ended September 27, 2003. Our discovery services sales growth continued to be driven by our transgenic services and contract staffing business units. Our vaccine support business sales increased for the nine months ended September 27, 2003 due principally to the consolidation of our Mexican joint venture and to increased product sales and increased pricing. The consolidation of our Mexican joint venture added $5.4 million of sales for the nine months ended September 27, 2003. Our development business sales increased primarily due to the 2002 acquisitions of BioLabs and Springborn, partially offset by reduced safety assessment studies, biosafety testing and business at our contract biopharmaceutical production facility.

        Research Models.    Net sales of research models for the nine months ended September 27, 2003 were $189.2 million, an increase of $19.0 million, or 11.2%, from $170.2 million for the nine months ended September 28, 2002. Net sales of research models represented 41.3% of net sales. Sales of our small animal research models in North America, which comprised 43.5% of research models sales, increased 9.9% due to improved pricing of 5.0%, an increase in unit volume and a shift to higher-priced specialty units. Sales of our small animal research models in Europe, which comprised 28.1% of research models sales, increased 21.4%, driven in part by the positive impact from currency translation of 18.9%, improved pricing of 3.0%, and increased unit volume partially offset by reduced equipment sales. Sales of our small animal research models in Japan, which comprised 20.2% of research models sales, increased 7.7%. The increase was due mainly to the favorable impact from foreign currency translation of 6.5% and increased unit volume. Sales from our large animal breeding and import conditioning business decreased $0.5 million due to reduced availability of certain animals, which we believe to be a temporary issue.

        Cost of Products Sold and Services Provided.    Cost of products sold and services provided for the nine months ended September 27, 2003 was $283.6 million, an increase of $27.7 million, or 10.9%, from $255.9 million for the nine months ended September 28, 2002. Cost of products sold and services provided for the nine months ended September 27, 2003 were 62.0% of net sales compared to 62.1% for the nine months ended September 28, 2002, due to operating improvements in our research models segment partially offset by an increase in costs at our biomedical products and services segment.

        Biomedical Products and Services.    Cost of products sold and services provided for biomedical products and services for the nine months ended September 27, 2003 was $181.7 million, an increase of $18.5 million, or 11.4%, compared to $163.2 million for the nine months ended September 28, 2002. Cost of products sold and services provided as a percentage of net sales increased to 67.7% for the nine months ended September 27, 2003 from 67.6% for the nine months ended September 28, 2002, due mainly to lower sales volume in development services and $0.6 million of severance from the cost savings program.

        Research Models.    Cost of products sold and services provided for research models for the nine months ended September 27, 2003 was $101.9 million, an increase of $9.2 million, or 10.0%, compared to $92.7 million for the nine months ended September 28, 2002. Cost of products sold and services

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provided for the nine months ended September 27, 2003 improved to 53.9% of net sales compared to 54.4% of net sales for the nine months ended September 28, 2002, primarily because of improved capacity utilization and greater operating efficiencies.

        Selling, General and Administrative Expenses.    Selling, general and administrative expenses for the nine months ended September 27, 2003 were $66.5 million, an increase of $4.2 million, or 6.7%, from $62.3 million for the nine months ended September 28, 2002. Selling, general and administrative expenses for the nine months ended September 27, 2003 were 14.5% of net sales compared to 15.1% of net sales for the nine months ended September 28, 2002.

        Biomedical Products and Services.    Selling, general and administrative expenses for biomedical products and services for the nine months ended September 27, 2003 were $33.2 million, an increase of $4.6 million, or 16.4%, compared to $28.6 million for the nine months ended September 28, 2002. Selling, general and administrative expenses for the nine months ended September 27, 2003 were 12.4% of net sales compared to 11.8% of net sales for the nine months ended September 28, 2002 due to increased selling and marketing efforts and higher bad debt expense.

        Research Models.    Selling, general and administrative expenses for research models for the nine months ended September 27, 2003 were $21.5 million, an increase of $1.1 million, or 5.5%, compared to $20.4 million for the nine months ended September 28, 2002. Selling, general and administrative expenses for the nine months ended September 27, 2003 were 11.4% of net sales, compared to 12.0% for the nine months ended September 28, 2002, principally due to continued focus on limiting operating expense growth.

        Unallocated Corporate Overhead.    Unallocated corporate overhead, which consists of various corporate expenses including those associated with senior executive salaries and departments such as corporate accounting, legal and investor relations, was $11.7 million for the nine months ended September 27, 2003, compared to $13.3 million for the nine months ended September 28, 2002. The decrease is due mainly to lower anticipated bonuses compared to prior year.

        Other Operating Expenses (Income).    During the first quarter of 2003, a charge of $3.7 million was recorded for the write-down of certain biopharmaceutical production assets. Also during the first quarter of 2003, our French subsidiaries settled a breach of contract claim they had asserted against a customer in a prior year. After legal and related expenses, the net settlement amounted to a gain of approximately $2.9 million. The net charge of $0.8 million was recorded in the biomedical products and services segment.

        Amortization of Other Intangibles.    Amortization of other intangibles for the nine months ended September 27, 2003 was $3.7 million, an increase of $1.5 million from $2.2 million for the nine months ended September 28, 2002 due to the businesses we acquired in 2002.

        Operating Income.    Operating income for the nine months ended September 27, 2003 was $103.1 million, an increase of $11.8 million, or 12.9%, from $91.3 million for the nine months ended September 28, 2002. Operating income for the nine months ended September 27, 2003 was 22.5% of net sales, compared to 22.2% of net sales for the nine months ended September 28, 2002.

        Biomedical Products and Services.    Operating income from sales of biomedical products and services for the nine months ended September 27, 2003 was $49.1 million, an increase of $1.6 million, or 3.2%, from $47.5 million for the nine months ended September 28, 2002. Operating income from sales of biomedical products and services for the nine months ended September 27, 2003 decreased to 18.3% of net sales, compared to 19.7% of net sales for the nine months ended September 28, 2002. The decrease in operating income as a percentage of sales was due primarily to the decline in spending on development services by pharmaceutical and biotechnology companies, which resulted in lower sales and lower gross margins and increased selling, general and administrative expenses.

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        Research Models.    Operating income from sales of research models for the nine months ended September 27, 2003 was $65.7 million, an increase of $8.6 million, or 15.1%, from $57.1 million for the nine months ended September 28, 2002. Operating income from sales of research models for the nine months ended September 27, 2003 was 34.7% of net sales, compared to 33.6% for the nine months ended September 28, 2002 due to increased sales, higher gross margins and lower selling, general and administrative expenses as a percentage of sales.

        Interest Expense.    Interest expense for the nine months ended September 27, 2003 was $6.4 million, compared to $9.2 million for the nine months ended September 28, 2002 due to the debt repayment in 2002.

        Loss on Debt Retirement.    During the nine months ended September 28, 2002, we recorded a loss of $29.9 million relating to premiums paid and the write-off of deferred financing costs and issuance discount in connection with the tender offer for all of the remaining 13.5% senior subordinated notes, other debt repayments and the termination of the then existing revolving credit facility. On prior-year statements, this loss was recorded as an extraordinary item.

        Income Taxes.    The effective tax rate for the nine months ended September 27, 2003 was 38.5% compared to the effective tax rate of 38.5% for the nine months ended September 28, 2002, excluding a $0.5 million benefit associated with the release of the valuation allowance. During the third quarter of 2002, we reassessed the valuation allowance relating to state income taxes due to tax planning initiatives undertaken and the completion of the 2001 state income tax returns. No additional tax valuation allowance was necessary as of September 27, 2003.

        Net Income.    Net income for the nine months ended September 27, 2003 was $59.5 million, compared to $32.6 million for the nine months ended September 28, 2002.

Liquidity and Capital Resources

        The following discussion analyzes liquidity and capital resources by operating, investing and financing activities as presented in the Company's condensed consolidated statements of cash flows.

        Our principal sources of liquidity are cash flows from operations and proceeds from our debt and equity offerings.

        On March 31, 2003, the Company entered into a revolving credit agreement which matures on March 31, 2006. The agreement permits the Company to borrow up to $100.0 million at an interest rate based on, at the Company's option, the greatest of the Prime Rate, the Base CD Rate plus 1%, and the Federal Funds Effective Rate plus 0.5%, or LIBOR multiplied by the Statutory Reserve Rate plus a spread of 1.25% to 2.50% based on the leverage ratio of the Company and the aggregate borrowing under the revolving credit agreement. Interest is payable, ranging from monthly to semi-annually, based on the Company's option of interest rate selected. The credit agreement requires the Company to pay a quarterly commitment fee which ranges from 25 through 50 basis points on the undrawn balance, based on the leverage ratio of the Company. The agreement also requires the Company to remain in compliance with certain financial ratios as well as other restrictive covenants. No amounts were outstanding under the credit agreement as of September 27, 2003.

        Effective January 2, 2003, we acquired an additional 19% of the equity (404,321 common shares) of our then 66% equity joint venture company, Charles River Japan, from Ajinomoto Company, Inc. The purchase price for the equity was 1.3 billion yen, or $10.8 million, which was paid in cash.

        In connection with the acquisition of Springborn in 2002, we entered into a $6.0 million three-year unsecured subordinated note. The note is payable in three equal annual installments of principal, together with interest accrued in arrears commencing on October 1, 2003. Interest is payable based on the one-month LIBOR rate plus 1%, which equaled 2.81% at September 27, 2003.

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        On January 24, 2002, we issued $175.0 million par value of senior convertible debentures through a private placement offering. On February 11, 2002, we issued an additional $10.0 million par value of the senior convertible debentures through the additional purchase option. The senior convertible debentures accrue interest at an initial annual rate of 3.5% which will be reset (but not below the initial rate of 3.5% or above 5.25%) on August 1, 2007, August 1, 2012 and August 1, 2016. Interest is payable semi-annually in arrears, beginning August 1, 2002. The senior convertible debentures will mature in 2022 and are convertible into shares of our common stock at a fixed conversion price of $38.87, subject to adjustments under certain circumstances. On or after February 5, 2005, we may redeem for cash all or part of the debentures that have not been previously converted at the redemption prices set forth in the purchase agreement. Holders may require us to repurchase for cash all or part of their debentures on February 1, 2008, February 1, 2013 or February 1, 2017 at a price equal to 100% of the principal amount of the debentures plus accrued interest. In addition, upon a change in control of our Company occurring on or prior to February 1, 2022, each holder may require us to repurchase all or a portion of such holder's debentures for cash. In 2002, we used a portion of the net proceeds from the senior convertible debenture offering to retire all of the 13.5% senior subordinated notes through a tender offer.

        During 2002, we repaid our outstanding senior secured term loan facilities and terminated our revolving credit facility. As a result of the termination of our revolving credit facility, we were required to transfer $5.0 million into a separate bank account to support outstanding letters of credit. This amount is reported as restricted cash in our consolidated financial statements as of December 28, 2002. During the second quarter of 2003, the restriction was lifted due to the new revolving credit agreement entered into by the Company. As of September 27, 2003 and December 28, 2002, we had approximately $5.2 million and $4.7 million outstanding under letters of credit, respectively.

        Cash and cash equivalents totaled $164.3 million at September 27, 2003, compared with $122.5 million at December 28, 2002.

        Net cash provided by operating activities for the nine months ended September 27, 2003 and September 28, 2002 was $84.5 million and $89.0 million, respectively. The decrease in cash provided by operations is primarily the result of our improved collection efforts which began in early 2002 and generated a positive cash flow impact in 2002. Our days sales outstanding remained constant at 65 days as of September 27, 2003 compared to September 28, 2002.

        Net cash used in investing activities during the nine months ended September 27, 2003 and September 28, 2002 was $45.6 million and $43.7 million, respectively. The cash used in investing activities during the nine months ended September 27, 2003 related primarily to the acquisition of an additional 19% of equity in Charles River Japan for $10.8 million and capital expenditures of $19.8 million. For the first nine months ended September 28, 2002, the cash used in investment activities related primarily to the acquisition of BioLabs and capital expenditures of $21.6 million.

        Net cash provided by financing activities for the nine months ended September 27, 2003 and September 28, 2002 was $1.5 million and $6.9 million, respectively. During March 2002, we issued $185.0 million par value of senior convertible debentures and used $103.6 million of the proceeds to repay all of the 13.5% senior subordinated notes, including a premium of $23.9 million.

        We anticipate that our operating cash flows, together with borrowings under our 2003 revolving credit facility, will be sufficient to meet our anticipated future operating expenses, capital expenditures and debt service obligations as they become due. We currently intend to retain any earnings to finance future operations and expansion.

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Recently Issued Accounting Standards

        In May 2003, the FASB issued SFAS No.150, "Accounting for Certain Financial Instruments with Characteristics of Both Liabilities and Equity." This statement establishes standards for how an issuer classifies and measures certain financial instruments with characteristics of both liabilities and equity. SFAS No. 150 is effective for financial instruments entered into or modified after May 31, 2003. This statement does not result in any material change to the Company's existing reporting.

        In July 2001, the FASB issued SFAS No. 143, "Accounting for Asset Retirement Obligations." SFAS No. 143 requires entities to record the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the entity is required to capitalize the cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. The Company adopted SFAS No. 143 as of the beginning of fiscal year 2003. The adoption of SFAS No. 143 did not have any material effect on the Company's consolidated financial statements.

        In July 2002, the FASB issued SFAS No. 146, "Accounting for Costs Associated with Exit or Disposal Activities," which nullifies EITF Issue No. 94-3, "Liability Recognition for Certain Employee Termination Benefits and Other Costs to Exit an Activity (including Certain Costs Incurred in a Restructuring)." SFAS No. 146 requires a liability for a cost associated with an exit or disposal activity be recognized and measured initially at its fair value in the period in which the liability is incurred. If fair value cannot be reasonably estimated, the liability shall be recognized initially in the period in which fair value can be reasonably estimated. In periods subsequent to the initial measurement, changes to the liability resulting from a revision to either the timing or the amount of estimated cash flows shall be recognized as an adjustment to the liability in the period of the change. The Company adopted the provisions of SFAS No. 146 as of the beginning of fiscal year 2003. The adoption of SFAS No. 146 did not have any material effect on the Company's consolidated financial statements.

        In November 2002, the FASB issued FASB Interpretation No. 45 (FIN 45), "Guarantor's Accounting and Disclosure Requirements for Guarantees, Including Indirect Guarantees of Indebtedness of Others, an interpretation of SFAS Nos. 5, 57, and 107 and Rescission of FASB Interpretation No. 34." FIN 45 clarifies the requirements of SFAS No. 5, "Accounting for Contingencies," relating to the guarantor's accounting for, and disclosure of, the issuance of certain types of guarantees. FIN 45 requires that, upon issuance of a guarantee, the guarantor must recognize a liability for the fair value of the obligation. FIN 45 is applicable to guarantees that encompass guarantees based on changes in an underlying asset, liability or equity security, guarantees that are made on behalf of another entity's performance, certain indemnification agreements and indirect guarantees of the indebtedness of others. The recognition and measurement provisions of FIN 45 are effective prospectively for guarantees issued or modified after December 31, 2002. The disclosure requirements are effective for reporting periods ending after December 15, 2002. The Company has made the required disclosures in the consolidated financial statements as of December 28, 2002. The adoption of FIN 45 did not have any material effect on the Company's consolidated financial statements.

        In November 2002, the EITF reached final consensus on EITF Issue No. 00-21, "Accounting for Revenue Arrangements with Multiple Deliverables." EITF Issue No. 00-21 addresses certain aspects of a vendor's accounting for arrangements under which it will perform multiple revenue-generating activities. It provides additional guidance as to how revenue should be measured and allocated to the separate units of accounting. EITF Issue No. 00-21 is effective prospectively for revenue arrangements entered into during fiscal periods beginning after June 15, 2003. The adoption of EITF Issue No. 00-21 did not have a material effect on the Company's consolidated financial statements.

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Item 3. Quantitative and Qualitative Disclosure About Market Risk

        Certain of our financial instruments are subject to market risks, including interest rate risk and foreign currency exchange rates.

        The fair value of long-term fixed interest rate debt is subject to interest rate risk. In addition, the fair value of our senior convertible debentures would be impacted by our stock price. The estimated fair value of our long-term debt at September 27, 2003 was $200.5 million. Fair values were determined from available market prices, using current interest rates and terms to maturity.

        During 2002, we terminated our then existing revolving credit facility and repaid all of our variable-rate term loans. Our senior convertible debentures accrue interest at an initial rate of 3.5%, which will be reset (but not below the initial rate of 3.5% or above 5.25%) on August 1, 2007, August 1, 2012 and August 1, 2016. Fluctuations in interest rates will not affect the interest payable on the senior convertible debentures, which is fixed through August 1, 2007.

        We generally do not use financial instruments for trading or other speculative purposes.

        We also have exposure to foreign currency exchange rate fluctuations for the cash flows received from our foreign affiliates. This risk is mitigated by the fact that their operations are principally conducted in their respective local currencies.

Item 4. Controls and Procedures.

        Based on their evaluation, required by paragraph (b) of Rules 13a-15 or 15d-15, promulgated under the Securities Exchange Act of 1934 (the "Exchange Act"), the Company's principal executive officer and principal financial officer have concluded that the Company's disclosure controls and procedures as defined in Rules 13a-15(e) or 15d-15(e) of the Exchange Act are effective as of September 27, 2003 to ensure that information required to be disclosed by the Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms.

        There were no changes in the Company's internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of the Exchange Act Rules 13a-15 or 15d-15 that occurred during the quarter ended September 27, 2003 that materially affected, or were reasonably likely to materially affect, the Company's internal control over financial reporting.

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Part II. Other Information

Item 6. Exhibits and Reports on Form 8-K

        (a)   Exhibits.

        (b)   Reports on Form 8-K.

The Company filed a Current Report on Form 8-K on July 29, 2003 reporting, pursuant to Item 9 (Regulation FD Disclosure), its financial results for the quarter ended June 28, 2003.

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SIGNATURES

        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.

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QuickLinks

Part I. Financial Information
Item 1. Financial Statements