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

FORM 10-Q

(Mark One)

For the quarterly period ended July 31, 2002

OR

For the transition period from                              to                             

Commission file number 000-26209

Ditech Communications Corporation
(Exact name of registrant as specified in its charter)

825 East Middlefield Road
Mountain View, California 94043
(650) 623-1300
(Address, including zip code, and telephone number, including area code, of registrant's executive offices)

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 past 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to the filing requirements for the past 90 days.

As of August 26, 2002, 30,343,047 shares of the Registrant's common stock were outstanding.

DITECH COMMUNICATIONS CORPORATION

TABLE OF CONTENTS

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PART I. FINANCIAL INFORMATION

ITEM I. Financial Statements

Ditech Communications Corporation
Condensed Consolidated Statements of Operations
(in thousands, except per share data)
(unaudited)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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Ditech Communications Corporation
Condensed Consolidated Balance Sheets
(in thousands)
(unaudited)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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Ditech Communications Corporation
Condensed Consolidated Statements of Cash Flows
(in thousands)
(unaudited)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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DITECH COMMUNICATIONS CORPORATION
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(unaudited)

1.    DESCRIPTION OF BUSINESS

        Ditech Communications Corporation (the "Company") designs, develops and markets echo cancellation equipment and optical communications products for use in building and expanding telecommunications and cable communications networks. The Company has established a direct sales force that sells its products in the U.S. and internationally, as well as utilizing value added resellers, distributors and original equipment manufacturers internationally.

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

        The condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated. The accompanying condensed consolidated financial statements as of July 31, 2002, and for the three month periods ended July 31, 2002 and 2001, together with the related notes, are unaudited but include all adjustments (consisting only of normal recurring adjustments) which, in the opinion of management, are necessary for a fair presentation, in all material respects, of the financial position and the operating results and cash flows for the interim date and periods presented. Results for the interim period ended July 31, 2002 are not necessarily indicative of results for the entire fiscal year or future periods. These condensed consolidated financial statements should be read in conjunction with the financial statements and related notes thereto for the year ended April 30, 2002, included in the Company's Annual Report on Form 10-K, filed with the Securities and Exchange Commission on July 29, 2002, file number 000-26209.

Computation of Loss per Share

        Basic loss per share is calculated based on the weighted average number of shares of common stock outstanding during the period less shares subject to repurchase, which are considered contingently issuable shares. Diluted loss per share is calculated excluding common stock equivalents (stock options and shares subject to repurchase) as their effect is anti-dilutive.

Comprehensive Income (Loss)

        There was no difference between the Company's net loss and its total comprehensive loss for the three month period ended July 31, 2001. For the three month period ended July 31, 2002, comprehensive loss was $48,022,000 and included the impact of foreign currency translation adjustments related to it's the Company's international operations, net of tax.

Reclassifications

        Certain items in the condensed consolidated financial statements for the three months ended July 31, 2001 have been reclassified to conform to classifications used in the current fiscal year.

Recent Accounting Pronouncements

        In July 2001, the Financial Accounting Standards Board (FASB) issued FASB Statement No. 142 (SFAS 142), "Goodwill and Other Intangible Assets." SFAS 142 changes the accounting for goodwill from an amortization method to an impairment-only approach. Upon adoption of SFAS 142, amortization of goodwill, including goodwill recorded in past business combinations, ceased. Instead,

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goodwill is being tested annually and/or whenever events or circumstances occur indicating that goodwill might be impaired. The Company adopted SFAS 142 on May 1, 2002. See Note 4 for a complete discussion of the impacts of adoption of this new standard.

3.    BALANCE SHEET ACCOUNTS

        Inventories comprised (in thousands, unaudited):

        Accrued expenses comprised (in thousands, unaudited):

        Accrued professional services at April 30, 2002 included $679,000 of professional fees related to the sale of the Company's echo cancellation software technology and related assets to TI in April 2002.

4.    ACCOUNTING FOR GOODWILL

        The changes in the carrying amount of goodwill for the three months ended July 31, 2002 are as follows (in thousands, unaudited):

        The reclassification of acquisition related intangible asset primarily relates to the net book value of the workforce intangible as it no longer meet the definition of a discrete intangible asset under the provisions of SFAS 142. This reclassification was made as part of the Company's adoption of SFAS 142.

        The Company performed a transitional impairment test of its goodwill and intangible assets as of May 1, 2002. Due to the continuing soft telecommunications market and the depressed values of telecommunications equipment provider stocks, the Company recorded a transitional goodwill impairment loss of $36.8 million which was recorded as a cumulative effect of an accounting change in the Company's Consolidated Statement of Operations. The fair value of the optical reporting unit giving rise to the transitional impairment loss was estimated using a combination of the expected present value of future cash flows and a market value approach.

        Due to the adoption of SFAS 142, the Company ceased amortizing goodwill effective May 1, 2002. Had SFAS 142 been in effect in the first quarter of fiscal 2002, the Company would not have recorded

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goodwill amortization expense of $5.2 million. The following table summarizes (in thousands, unaudited) the Company's net loss adjusted to exclude goodwill amortization expense and the related tax effect, as if amortization had ceased effective May 1, 2001. The net loss for the three months ended July 31, 2002 includes the transitional impairment loss of $36.8 million related to adoption of SFAS 142.

5.    Reportable Segments and Geographic Information

        The Company's management makes decisions and allocates resources to the two operating segments based on the gross profits for each segment. The Company does not allocate operating expenses or assets to segments, as management does not use this information to measure the performance of, or to allocate resources to, the echo cancellation and optical communications segments. Accordingly, the Company has presented only revenue and gross profit by segment.

        Segment information comprises (in thousands, unaudited):

        Geographic revenue information comprises (in thousands, unaudited):

        Sales for the three months ended July 31, 2002 included two customers that represented greater than 10% of total revenue (48.7% and 21.2%). Sales for the three months ended July 31, 2001 included four customers that that represented greater than 10% of total revenue (21.2%, 12.4%, 11.6% and 10.7%).

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        As of July 31, 2002 and April 30, 2002, the Company maintained its long-lived assets in the following countries (in thousands, unaudited):

6.    SUBSEQUENT EVENT

        On August 7, 2002, the Company entered into a credit facility with a bank. Borrowings under this facility may be used to fund equipment purchases of up to $5 million as well as operating expenses of up to $2 million. Qualifying equipment purchases made through February 7, 2003 can be funded through the equipment portion of this facility and payments are due in 36 equal monthly installments beginning March 2003. Advances under the equipment line bear interest at prime plus 0.50%. The revolving line of credit expires on August 7, 2003 and advances under the line bear interest at prime plus 0.25%. The credit facility is collateralized by substantially all of the Company's current and future assets and provides for certain financial covenants including but not limited to: maintenance of a minimum cash balance with the bank of $10 million; a minimum quick ratio of 2.00 to 1.00; minimum tangible net worth of $75 million plus 50% of all proceeds from the sale of subordinated debt or equity securities subsequent to August 7, 2002; and minimum quarterly unrestricted cash of at least $30 million. The facility also restricts the payment of dividends and limits the Company's ability to dispose of all or substantially all of its assets or to merge with another company.

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

        The following discussion and analysis should be read in conjunction with our Consolidated Financial Statements and Notes thereto for the year ended April 30, 2002, included in our Annual Report on Form 10-K, filed with the Securities and Exchange Commission on July 29, 2002. The discussion in this Report on Form 10-Q contains forward-looking statements that involve risks and uncertainties, such as statements of our plans, objectives, expectations and intentions. Our actual results could differ materially from those discussed here. See "Future Growth and Operating Results Subject to Risk" at the end of this Item 2 for factors that could cause future results to differ materially.

Overview

        We design, develop and market equipment used in building and expanding telecommunications networks. Our products fall into two categories, echo cancellation equipment and equipment that enables and facilitates communications over fiber optic networks. To date, the majority of our revenue has been derived from sales of our echo cancellation products. Since entering the echo cancellation market, we have continued to refine our echo cancellation product to meet the needs of the ever-changing telecommunications marketplace. We are currently selling our fifth generation echo cancellation product, which began production shipments in the fourth quarter of fiscal 2001. We began sales of our first optical communications product in September 1996. Since that time our optical communications products have also evolved to meet the changing needs of our customers. The current optical amplifier technology began shipment in fiscal 2001. Our optical business is also in the process of taking a major step forward from being a subsystem provider to offering a complete optical switching and transport system, known as Titanium. However, Titanium remains under development, and we currently are unable to predict when, if ever, we will receive any revenue from this product.

        Since completing our initial public offering in June 1999, we have completed three acquisitions. All of these acquisitions were done to bring needed technical skills into our research and development groups to aid in new product introductions.

        On February 1, 2000, we completed our acquisition of substantially all of the assets of Telinnovation in exchange for a total of 1,200,000 shares of common stock. The acquisition was accounted for as a purchase. The total value of the acquisition of approximately $69 million was accounted for in three discrete components. The first, approximately $9 million related to purchased research and development, was written off in the fourth quarter of fiscal 2000. Next, approximately $37 million related to developed technology and goodwill was capitalized and was being amortized to expense over its estimated life of 5 years. The remaining $23 million relates to restricted shares, the cost of which was recorded as deferred stock compensation and was being charged to compensation expense in our research and development operations over the three year vesting period of the shares, assuming the holders of the restricted shares remain in our employ during the vesting period. In April 2002, we sold the echo cancellation software technology and related assets, including the goodwill and purchased technology, and the deferred stock compensation, previously recorded as part of our acquisition of Telinnovation, to TI for a nominal gain.

        On July 25, 2000, we completed our acquisition of Atmosphere Networks Inc. in exchange for a total of 841,897 shares of common stock and assumption of outstanding options with a collective aggregate value of $73.4 million, and $7.9 million of cash. Acquisition costs totaled approximately $680,000. The acquisition was accounted for as a purchase. The total value of the acquisition of approximately $82 million comprises approximately $15.0 million in net assets, $1.5 million associated with the value of the established workforce and $65.4 million of goodwill. The goodwill and established workforce costs were capitalized and were being amortized over their estimated lives of four years. Effective May 1, 2002, we adopted SFAS 142, which replaces the amortization of goodwill with a regular evaluation of the remaining unamortized balance of goodwill for impairment. Upon adoption,

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we recorded a transitional impairment of the unamortized goodwill balance associated with this acquisition of $36.8 million, which has been reported as a cumulative effect of accounting change.

        We generally recognize product revenue when: persuasive evidence of a definitive agreement exists; shipment to the customer has occurred, title and all risks and rewards of ownership have passed to the customer; acceptance terms, if any have been fulfilled; no significant contractual obligations remain outstanding; the fee is fixed or determinable; and collection is reasonably assured. If any of these conditions are not satisfactorily met, revenue from that transaction is deferred until all conditions are met. We offer a warranty, ranging from one year to five years, on all of our products. The warranty generally provides that we will repair or replace any defective product within one year to five years from the invoice date. We accrue for warranty costs at the time we recognize product revenue, based on our experience.

        To date, the majority of our revenue has been derived from sales of our echo cancellation products. We derived approximately 70% of our revenue from the sale of our echo cancellation products in the first three months of fiscal 2003 and 66% and 86% of our revenue from the sale of our echo cancellation products in fiscal years 2002 and 2001, respectively. We expect that a majority of our revenue will continue to come from sales of our echo cancellation products for the foreseeable future.

        Historically the majority of our sales have been to customers in the U.S. These customers accounted for approximately 85% of our revenue in the first three months of fiscal 2003 and 80% and 83% of our revenue in fiscal years 2002 and 2001, respectively. However, sales to some of our customers in the U.S. may result in our products eventually being deployed internationally, especially in the case of any original equipment manufacturer that distributes overseas. To date, substantially all of our international sales have been export sales and denominated in U.S. dollars.

        Our revenue historically has come from a small number of customers. Our five largest customers accounted for over 80% of our revenue in the first three months of fiscal 2003 and 65% and 70% of our revenue in fiscal years 2002 and 2001, respectively. Qwest, our largest customer for the past few years, accounted for only 1% of our sales in the first three months of fiscal 2003, as compared to 20% and 47% of our revenue in fiscal 2002 and 2001, respectively, when overall revenue levels were much higher.

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RESULTS OF OPERATIONS

        The following table sets forth, for the periods indicated, the components of the results of operations, as reflected in our statement of operations, as a percentage of sales.

THREE MONTHS ENDED JULY 31, 2002 AND 2001.

        Revenue.    Revenue in the first quarter of fiscal 2003 was $10.9 million compared to $15.3 million in the first quarter of fiscal 2002. The decline was due to a slowdown in infrastructure spending within our industry, which impacted our business starting in the third quarter of fiscal 2001 and continues through the present. Revenue from echo cancellation products was $7.6 million in the first quarter of fiscal 2003, down 32% from $11.1 million in the first quarter of fiscal 2002, due primarily to the continued slow capital spending patterns in the telecommunications industry. Revenue from optical products was $3.3 million in the first quarter of fiscal 2003, a decrease of 20% from $4.1 million in the first quarter of fiscal 2002, as our optical products were also impacted by the slowdown in telecommunications spending.

        Geographically, our first quarter fiscal 2003 revenue remained primarily domestic at 85% of total worldwide revenue, which is relatively consistent with the past few fiscal years. The slowdown in capital spending in the telecommunications industry we first experienced in the latter half of fiscal 2001 and throughout fiscal 2002 has continued into fiscal 2003, and we anticipate it will continue to have a substantial effect on our revenues for the foreseeable future. We expect that sales of our echo cancellation products will remain the source of the majority of our revenue at least through fiscal 2003.

        Cost of Goods Sold.    Cost of goods sold consists of direct material costs, personnel costs for test and quality assurance, costs of licensed technology incorporated into our products, provisions for inventory and warranty expenses and other indirect costs. Cost of goods sold decreased to $5.1 million in the first quarter of fiscal 2003 from $6.9 million in the first quarter of fiscal 2002 due to the decline in sales of both our echo cancellation and optical products.

        Gross Profit.    Gross margin decreased to 53% in the first quarter of fiscal 2003 from 55% in the first quarter of fiscal 2002. The primary factor contributing to the decline in gross margin was the

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relatively fixed manufacturing overhead costs, which represented a larger percentage of revenue as revenue declined. Overall product mix had a limited impact on margins as declines in echo cancellation product margins and a decline in the mix of higher margin echo cancellers towards lower margin optical products was substantially offset by improvements in margins on our optical products. Gross margins for echo cancellation products declined to 57% in the first quarter of fiscal 2003 from 60% in the first quarter of fiscal 2002, due to an increase in fixed costs as a percentage of revenue and a decrease in the average selling price of certain products. Gross margins for optical communications products increased to 45% in the first quarter of fiscal 2003 from 40% in the same period of the prior fiscal year, related primarily to the shift in the mix of optical products towards higher margin units and cost reductions in certain key optical components.

        Sales and Marketing.    Sales and marketing expenses primarily consist of personnel costs, including commissions and costs associated with customer service, travel, trade shows and outside consulting services. Sales and marketing expenses decreased to $4.2 million in the first quarter of fiscal 2003 from $4.7 million in the first quarter of fiscal 2002. While we continued to develop marketing programs to support the introduction of our Titanium product, we were able to reduce travel and related expenses as we reduced discretionary spending in this area. We expect that sales and marketing spending will remain relatively flat in the coming quarter.

        Research and Development.    Research and development expenses primarily consist of personnel costs, contract consultants, equipment and supplies used in the development of echo cancellation and optical communications products, as well as amortization of deferred stock compensation associated with the Telinnovation and Atmosphere acquisitions. Research and development expenses increased to $11.8 million in the first quarter of fiscal 2003 from $11.7 million in the first quarter of fiscal 2002. The increase is related to increased personnel costs, materials costs and depreciation, which aggregated an increase of approximately $3.1 million, associated with new product research and development efforts primarily for our optical communications product lines, principally our Titanium optical system. These increases were substantially offset by a decline in costs related to echo cancellation software development (principally amortization of deferred stock compensation) due to the sale of our echo cancellation software technology to Texas Instruments (TI) in April 2002 and reduced consulting costs as consultants were replaced by employees, together which aggregated approximately $2.9 million in spending reductions. Year over year, headcount in the optical research and development groups has increased to 124 employees at the end of the first quarter of fiscal 2003 from 91 employees at the end of the first quarter last year. Most of the employment growth has been in the area of optical engineers. Research and development expenses for the first quarter of fiscal 2003, and fiscal 2002 included $0.7 and $3.1 million, respectively, of amortization of deferred stock compensation associated with the Telinnovation and Atmosphere acquisitions. Approximately $1.9 million of the decline in stock compensation is related to sale of our echo cancellation software technology and the transfer of the software engineers to TI in April 2002, resulting in no amortization charges with respect to our acquisition of Telinnovation in the first quarter of fiscal 2003, and the remainder being attributable to the decline in stock compensation for employee terminations from our acquisition of Atmosphere Networks. We expect research and development expenses to decline in the second quarter of fiscal 2003 from the levels in the first quarter of 2003 as the level of prototype spending begins to decline.

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        General and Administrative.    General and administrative expenses primarily consist of personnel costs for corporate officers, finance and human resources personnel, as well as insurance, legal, accounting and consulting costs. General and administrative expenses of $1.5 million in the first quarter of fiscal 2003 were nominally more than the same period in the prior fiscal year. We expect general and administrative expenses to remain relatively flat for the foreseeable future.

        Amortization of Goodwill and Other Intangible Assets.    Amortization expense was eliminated in its entirety in the first quarter of 2003, a decline of $6.5 million from the first quarter of fiscal 2002. The elimination was due to two factors: first, the sale of our echo cancellation software technology in April 2002 resulted in the elimination of amortization related to the goodwill ($568,000) and intangibles ($1.3 million) from our acquisition of Telinnovation; and second, the balance was due to the elimination of amortization related to goodwill ($4.5 million) and the employee intangible ($93,000) associated with our acquisition of Atmosphere, upon adoption of SFAS 142. See Note 4 of our financial statements included in Item 1 above for changes to the accounting treatment for goodwill and other intangible assets prescribed by SFAS 142.

        Other Income (Expense).    Other income (expense) consists of interest income on our invested cash and cash equivalent balances, offset by a nominal amount of interest expense attributable to our capital leases. Other income decreased to $474,000 in the first quarter of fiscal 2003 from $1.0 million in the same period of the prior fiscal year. The decrease was primarily attributable to lower interest rates reducing our earnings on invested balances.

        Income Taxes.    Income taxes consist of federal, state and foreign income taxes. The effective tax rate in the first quarter of fiscal 2003 was a provision of 0.4% and was a benefit of 27.0% in the first quarter of fiscal 2002. The low provision rate for the first quarter of fiscal 2003 is due to taxes on our international operations. In the fourth quarter of fiscal 2002, we discontinued recording tax benefits associated with our domestic operating losses due to uncertainty about the recoverability of our net operating loss carry forward position. We will continue to not record any benefit from these operating loss carry forwards until such time as we have generated a sufficient pattern of profitability. As such, we would expect to continue to report a limited tax provision for the foreseeable future related to our international operations.

        Cumulative Effect of Accounting Change.    The $36.8 million reported in the first quarter of fiscal 2003 represents the transitional impairment loss for previously recorded goodwill, which we recorded in connection with our adoption of SFAS 142 effective May 1, 2002. There was no accounting change in the same period last year.

STOCK-BASED COMPENSATION

        We recorded deferred compensation of $1,320,000 as of April 30, 1999, as a result of stock options granted in fiscal 1999. We are amortizing the deferred compensation to general and administrative expense over the corresponding vesting period of the stock options. We amortized approximately $47,000 and $78,000 of this deferred compensation in the first quarter of fiscal 2003, and fiscal 2002, respectively.

        Associated with the acquisition of Telinnovation in February 2000, we recorded $23 million of deferred compensation related to 400,000 restricted shares granted to the Telinnovation employees. These restricted shares were tied to the employees' continuing employment with Ditech. The deferred compensation was being amortized as research and development expense over the three-year vesting period of the restricted shares. As part of the disposition of our echo software technology to TI, TI became the custodian of these restricted shares and will release them to the Telinnovation employees, who now work for TI, as they are earned. Should a former Telinnovation employee leave their employment prior to earning their restricted shares, the shares would be forfeited to TI. Because all

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former Telinnovation employees have left our employment and are now working for TI, the net deferred stock compensation of $6.1 million remaining on April 15, 2002 was written off as part of the sale transaction. Therefore, there was no amortization recorded in the first quarter of fiscal 2003 nor will there be any future amortization related to deferred stock compensation associated with our acquisition of Telinnovation. We amortized approximately $1.9 million of this deferred compensation in the first quarter of fiscal 2002.

        Associated with the acquisition of Atmosphere on July 25, 2000, we recorded $2.4 million of deferred compensation related to unvested options assumed in the acquisition. This amount has been reduced from time to time due to option cancellations associated with employee terminations. This deferred compensation is being amortized to research and development expense over the remaining terms of the original twenty-four month vesting period of the options. In connection with the acquisition of Atmosphere, we issued nonqualified stock options for approximately 750,000 shares of our common stock at a price equal to a 50% discount from the market value of the stock on its grant date of August 1, 2000. The discount was recorded as deferred compensation of $17.3 million in August 2000. Subsequent to recording this deferred compensation in August 2000, the gross amount of deferred compensation has been reduced from time to time for the impact of option cancellations due to employee terminations. The net deferred compensation is being amortized to research and development expense over the remaining term of the original forty-eight month vesting period of the options. The Atmosphere-related deferred compensation expense totaled approximately $718,000 in the first quarter of fiscal 2003 and approximately $1.2 million in the first quarter of fiscal 2002.

LIQUIDITY AND CAPITAL RESOURCES

        Since March 1997, we have satisfied the majority of our liquidity requirements through cash flow generated from operations, funds received upon exercise of stock options and the proceeds from our initial and follow-on public offerings in fiscal 2000.

        Operating activities used $6.3 million in cash in the first quarter of fiscal 2003, primarily due to the net loss for the quarter, net of non-cash items including deprecation, amortization of stock compensation and the cumulative effect of the accounting change related to the transitional impairment of goodwill. Further offsetting the net loss for the period was a $2.4 million change in assets and liabilities resulting from reductions in accounts receivable and inventories and increased levels of deferred revenue and accounts payable, offset in part by increased accrued expenses and other. In the first quarter of fiscal 2002 we generated $3.7 million in cash from operations despite the net loss for the quarter, primarily due to $9.4 million of collections of accounts receivable and a $2.0 million reduction in inventories, partially offset by an increase in income taxes receivable and other current assets and reductions in accrued expenses and accounts payable.

        Investing activities used $3.1 million, primarily related to purchases of lab and test equipment associated with our preparation for the introduction of our new Titanium product. In the first quarter of fiscal 2002, we used $1.9 million primarily due to purchases of property and equipment and approximately $884,000 of tangible assets and intellectual property purchased from Ilotron Limited in June of 2001.

        Financing activities generated $572,000 in the first quarter of fiscal 2003and $858,000 in the first quarter of fiscal 2002, primarily due to funding related to semiannual employee stock purchase plans.

        As of July 31, 2002, we had cash and cash equivalents of $97.1 million as compared to $105.9 million at April 30, 2002. In August 2002, we recovered over $15 million of tax refunds related to the carry back of our operating losses in fiscal 2002 to prior tax years. Also in August 2002, we established a line of credit to borrow up to $5.0 million for purchases of fixed assets and $2 million for operating purposes, for which no borrowings were outstanding as of July 31, 2002. This line of credit expires on August 7, 2003. The credit facility is collateralized by substantially all of our current and

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future assets and requires that we maintain certain financial covenants in order to be able to draw down on it.

        We have no material commitments other than obligations under operating leases, particularly our facility leases and normal purchases of inventory, capital equipment and operating expenses, such as materials for research and development and consulting. We currently occupy approximately 61,000 square feet in the two buildings that form our Mountain View headquarters. This facility lease expires in June 2006. We also lease a research and development facility in Australia and one in the United Kingdom, each of which contains approximately 6,000 square feet with lease terms that expire in April 2005 and October 2011, respectively. We believe that the space under the combined leases is adequate to meet our needs for at least the next twelve months. The annual rental payments for these lease commitments are approximately $2 million per year for each of the next four fiscal years and approximately $1 million in total, thereafter. At July 31, 2002, we had approximately $10 million of open purchase orders related to purchases of inventory, capital equipment and operating expenses substantially all of which will be received over the next three to nine months.

        We believe that we will be able to satisfy our cash requirements for at least the next twelve months from our existing cash and the recovery of income taxes receivable, as well as the line of credit that was established in August 2002. Our ability to fund our operations beyond the next twelve months will be dependent on the amount of research and development activities that we devote to the development of Titanium, the acceptance of our new Titanium product and the overall demand of the telecommunications providers for new capital equipment. Should our customers' capital spending patterns not recover by the end of fiscal 2003, we could need to find additional sources of cash during fiscal 2004 or reduce our spending to protect our cash reserves.

Future Growth and Operating Results Subject to Risk

        Our business and the value of our stock are subject to a number of risks, which are set out below. If any of these risks actually occur, our business, financial condition or operating results could be materially adversely affected, which would likely have a corresponding impact on the value of our common stock. These risk factors should be carefully reviewed.

        WE DEPEND ON A LIMITED NUMBER OF CUSTOMERS FOR OUR PRODUCTS, THE LOSS OF ANY ONE OF WHICH COULD CAUSE OUR REVENUE TO DECREASE.

        Our revenue historically has come from a small number of customers. A customer may stop buying our products or significantly reduce its orders for our products for a number of reasons, including the acquisition of a customer by another company or a delay in a scheduled product introduction. If this happens, our revenue could be greatly reduced, which would materially and adversely affect our business. Our five largest customers accounted for over 80% of our revenue in the first three months of fiscal 2003 and 65% and 70% of our revenue in fiscal 2002 and 2001, respectively. For example, Qwest, our largest customer for the past few years, accounted for only 1% of our revenue in the first three months of fiscal 2003 and only 9% of our sales in fiscal 2002, time periods in which revenues were substantially less than in recent prior periods, as compared to 47% of our revenue in fiscal 2001.

        Additionally, due to continuing difficult economic conditions, many operators in the telecommunications industry have experienced financial difficulties, dramatically reducing their capital expenditures and, in some cases, resulting in their filing for bankruptcy or becoming acquired by other operators. We expect this trend to continue, which may result in our dependence on an even smaller customer base.

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        OUR OPERATING RESULTS HAVE FLUCTUATED SIGNIFICANTLY IN THE PAST, AND WE ANTICIPATE THAT THEY MAY CONTINUE TO DO SO IN THE FUTURE, WHICH COULD ADVERSELY AFFECT OUR STOCK PRICE.

        Our quarterly operating results have fluctuated significantly in the past and may fluctuate in the future as a result of several factors, some of which are outside of our control. If revenue declines in a quarter, as we experienced in the second half of fiscal 2001 and again in the second quarter of fiscal 2002, our operating results will be adversely affected because many of our expenses are relatively fixed. In particular, sales and marketing, research and development and general and administrative expenses do not change significantly with variations in revenue in a quarter. Adverse changes in our operating results could adversely affect our stock price.

OUR REVENUE MAY VARY FROM PERIOD TO PERIOD.

        Factors that could cause our revenue to fluctuate from period to period include:

•

changes in capital spending in the telecommunications industry and larger macroeconomic trends;



•

the timing or cancellation of orders from, or shipments to, existing and new customers;



•

delays outside of our control in obtaining necessary components from our suppliers;



•

delays outside of our control in the installation of products for our customers;



•

the timing of new product and service introductions by us, our customers, our partners or our competitors;



•

competitive pressures;



•

variations in the mix of products offered by us; and



•

variations in our sales or distribution channels.

        In particular, sales of our echo cancellation products, which historically have accounted for the vast majority of our revenue, have typically come from our major customers ordering large quantities when they deploy a switching center. Consequently, we may get one or more large orders in one quarter from a customer and then no orders in the next quarter. As a result, our revenue may vary significantly from quarter to quarter.

        Our customers may delay orders for our existing products in anticipation of the release of our or our competitors' new products. Further, if our or our competitors' new products substantially replace the functionality of our existing products, our existing products may become obsolete, and we could be forced to sell them at reduced prices or even at a loss.

        Revenue can vary period to period if planned dates of new product introductions are missed and the product release occurs in a later quarter. As an example of this risk, we had initially planned to begin production shipment of the international version of our OC-3 echo canceller, the STM-1, in the second quarter of calendar 2001. However due to our schedule delays and prolonged customer testing of this new product, we did not ship any units for revenue in fiscal 2002. We expect our first production shipment will now occur in the first half of fiscal 2003.

        In addition, the sales cycle for our products is typically lengthy. Before ordering our products, our customers perform significant technical evaluations, which typically last up to 90 days in the case of our echo cancellation products and up to 180 days in the case of our optical communications products. Once an order is placed, delivery times can vary depending on the product ordered, with delivery times for optical communications products exceeding those for our echo cancellation products. As a result, revenue

17

        forecasted for a specific customer for a particular quarter may not occur in that quarter. Because of the potential large size of our customers' orders, this would adversely affect our revenue for the quarter.

OUR EXPENSES MAY VARY FROM PERIOD TO PERIOD.

        Many of our expenses do not vary with our revenue. Factors that could cause our expenses to fluctuate from period to period include:

•

the extent of marketing and sales efforts necessary to promote and sell our products;



•

the timing and extent of our research and development efforts;



•

the availability and cost of key components for our products; and



•

the timing of personnel hiring.

        If we incur such additional expenses in a quarter in which we do not experience increased revenue, our profitability would be adversely affected and we may even incur losses for that quarter, as we have continued to experience since the third quarter of fiscal 2001.

        IF WE DO NOT SUCCESSFULLY DEVELOP AND INTRODUCE OUR NEW PRODUCTS, OUR PRODUCTS MAY BECOME OBSOLETE.

        We operate in an industry that experiences rapid technological change, and if we do not successfully develop and introduce our new products and our existing products become obsolete due to product introductions by competitors, our revenues will decline. Our ability to maintain and increase revenue in the future will depend primarily on:

•

continued acceptance of our Broadband and OC-3 Echo Cancellation Systems and of our Quasar and Orion optical subsystems;



•

our successful introduction of STM-1 and a next generation echo cancellation system; and



•

our successful introduction of Titanium, our new optical system product.

        However, we may not be able to successfully produce or market our new products in commercial quantities, complete product development when anticipated, or increase sales. These risks are of particular concern when a new generation product is introduced. As a result, while we believe we will achieve our product introduction dates, they may be delayed. For example, we originally expected our international version of our fifth generation echo cancellation system, the STM-1, to be available in the second quarter of calendar 2001. We now expect production shipments of the STM-1 to occur in the first half of fiscal 2003. Additionally, in fiscal 2002, sales of our fourth generation echo cancellers and our broadband system have generated the majority of our echo revenue while sales of our fifth generation, OC-3, echo cancellation system fell short of our expectations due to a sudden decline in projected demand in the second quarter of fiscal 2002 from our primary targeted customer for this product, Qwest.

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        Additionally, we have invested heavily in the development of our Titanium product and, if we are unable to introduce it or introduction is delayed due to technical or other difficulties, including the inability to obtain components on a timely basis, or it does not achieve market acceptance due to the weak economic conditions and capital spending in the telecommunications industry, then we would not be able to recover our costs in developing this product. Due to the continued softness in the telecommunications market for large switching and transport systems, we no longer believe that we will receive any revenue from our new Titanium system in fiscal 2003. Although we believe we can attain our revenue goals for the current fiscal year without Titanium sales, a further protracted delay in customers ordering this product could adversely impact revenue growth in fiscal 2004.

        We have in the past experienced, and in the future may experience, similar unforeseen delays in the development of our new products. We must devote a substantial amount of resources in order to develop and achieve commercial acceptance of our new echo cancellation and optical communications and optical systems products. We may not be able to address evolving demands in these markets in a timely or effective way. Even if we do, customers in these markets may purchase or otherwise implement competing products.

        WE ANTICIPATE THAT AVERAGE SELLING PRICES FOR OUR PRODUCTS WILL DECLINE IN THE FUTURE, WHICH COULD ADVERSELY AFFECT OUR PROFITABILITY.

        We expect that the price we can charge our customers for our products will decline as new technologies become available and as competitors lower prices either as a result of reduced manufacturing costs or a strategy of cutting margins to achieve or maintain market share. As a result, we may face reduced profitability and perhaps losses in future periods. We expect price reductions to be more pronounced in the market for our echo cancellation products, at least in the near term, due to more established competition for these products. While we intend to reduce our manufacturing costs in an attempt to maintain our margins and to introduce enhanced products with higher selling prices, we may not execute these programs on schedule. In addition, our competitors may drive down prices faster or lower than our planned cost reduction programs. Even if we can reduce our manufacturing costs, many of our operating costs will not decline immediately if revenue decreases due to price competition.

        IF WE ARE NOT ABLE TO DEVELOP SUBSTANTIAL REVENUE FROM SALES OF OUR OPTICAL COMMUNICATIONS PRODUCTS, OUR ABILITY TO GROW OUR BUSINESS MAY BE SUBSTANTIALLY IMPAIRED.

        To date, the majority of our revenue has been derived from sales of our echo cancellation products. If we are not able to develop substantial revenue from sales of our optical communications products, our ability to grow our business may be substantially impaired due to the relatively small size of the overall echo cancellation market as compared to the optical market. We derived approximately 70% of our revenue from the sale of our echo cancellation products in the first three months of fiscal 2003 and 66% and 86% of our revenue from the sale of our echo cancellation products in fiscal 2002 and 2001, respectively. We expect that a majority of our revenue will continue to come from sales of our echo cancellation products for the foreseeable future.

        To date, the vast majority of our optical revenue has come from a few customers, one of whom is located in the Far East. Due to our dependence on such a small number of optical customers at this time and the political and economic volatility in certain parts of the Far East, our optical revenue could be subject to abrupt and unanticipated changes in demand. Until we can diversify our optical revenue stream, both in terms of customer and geographic mix, we may experience unexpected adverse swings in optical revenue from quarter to quarter.

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        WE FACE INTENSE COMPETITION, WHICH COULD ADVERSELY AFFECT OUR ABILITY TO MAINTAIN OR INCREASE SALES OF OUR PRODUCTS.

        The markets for our echo cancellation and optical communications products are intensely competitive, continually evolving and subject to rapid technological change. We may not be able to compete successfully against current or future competitors, including our customers. Certain of our customers also have the ability to internally produce the equipment that they currently purchase from us. In such cases, we also compete with their internal product development capabilities. We expect that competition in each of the echo cancellation and optical networking markets will increase in the future. We may not have the financial resources, technical expertise or marketing, manufacturing, distribution and support capabilities to compete successfully.

        In our echo cancellation business, we face competition from two major direct competitors, Tellabs and Natural Microsystems (NMS). The other competition in the echo cancellation market comes from voice switch manufacturers. These manufacturers don't sell echo cancellation products or compete in the open echo cancellation market, but they integrate echo cancellation functionality within their switches, either as hardware modules or as software running on chips. The current trend in the customer base (carriers) is not to deploy echo cancellation within voice switches, and thereby favor external echo cancellation solutions, a reversal of this trend and a widespread adoption of internal echo cancellation solutions could present a competitive threat to us if the net result was the elimination of demand for our echo cancellation system products. With the down turn in spending in the telecommunications industry, service providers appear to be exploring these alternative sources of echo cancellation more thoroughly, while they wait for more robust capital spending budgets to return. If our customers decide to design these alternative sources of echo cancellation into their future network expansion, it could adversely impact the speed and duration of our echo sales recovery.

        In our nascent optical systems business, new technology breakthroughs by our competitors may impact acceptance of our product in the market and future revenues.

        Most of our competitors and potential competitors have substantially greater name recognition and technical, financial and marketing resources than we do. Such competitors may undertake more extensive marketing campaigns, adopt more aggressive pricing policies and devote substantially more resources to developing new products than we will.

        IF WE DO NOT RETAIN KEY PERSONNEL FROM ACQUISITIONS, WE MAY NOT BE ABLE TO REALIZE THE BENEFITS WE EXPECT FROM OUR ACQUISITIONS.

        We believe the Atmosphere and Ilotron acquisitions provide us with expanded opportunities in the rapidly growing optical communications market. However, our ability to successfully execute in this new market is greatly dependent on our ability to retain key personnel. Although we believe that we have provided significant incentives directly linked to continued employment, there is no guarantee that these key employees will remain in our employment until after we have successfully penetrated these markets.

        WE NOW LICENSE OUR ECHO CANCELLATION SOFTWARE FROM TI, AND IF WE DO NOT RECEIVE THE LEVEL OF SUPPORT WE EXPECT FROM TI, IT COULD ADVERSELY AFFECT OUR ECHO CANCELLATION SYSTEMS BUSINESS.

        In April 2002, we sold our echo cancellation software technology and future revenue streams from our licenses of technology acquired from Telinnovation to TI, in return for cash and a long-term license of the echo cancellation software. Although the licensing agreement has strong guarantees of support for the software used in our products, if TI were to breach that agreement in some fashion, and not deliver complete and timely support to us, this could adversely affect our success in the echo cancellation systems business.

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        IF TI LICENSES ITS ECHO CANCELLATION SOFTWARE TO OTHER ECHO CANCELLATION SYSTEMS COMPANIES, THIS COULD INCREASE THE COMPETITIVE PRESSURES ON OUR ECHO CANCELLATION SYSTEMS BUSINESS.

        Under the terms of the sale agreement of our echo cancellation software to TI, TI is precluded from licensing the software to other echo cancellation systems companies for a period of two years and to NMS and Tellabs for a period of four years. If TI were to license its echo cancellation software to other echo cancellation systems companies after two years, this could increase the level of competition and adversely affect our success in our echo cancellation systems business.

        IF WE DO NOT REDUCE MANUFACTURING COSTS OF OUR PRODUCTS TO RESPOND TO ANTICIPATED DECREASING AVERAGE SELLING PRICES, OUR ABILITY TO GENERATE PROFITS COULD BE ADVERSELY AFFECTED.

        In order to respond to increasing competition and our anticipation that average selling prices will decrease, we are attempting to reduce manufacturing costs of our new and existing products. If we do not reduce manufacturing costs and average selling prices decrease, our operating results will be adversely affected. We may not be able to successfully reduce the cost of manufacturing our products due to a number of factors, including:

        WE RELY ON A LIMITED SOURCE OF MANUFACTURING. Manufacturing of our echo cancellation products and the electronic printed circuit board assemblies for our optical networking products is currently outsourced to a small number of contract manufacturers. We believe that our current contract manufacturing relationships provide us with competitive manufacturing costs for our products. However, if we or these contract manufacturers terminate any of these relationships, or if we otherwise establish new relationships, we may encounter problems in the transition of manufacturing to another contract manufacturer, which could temporarily increase our manufacturing costs and cause production delays.

        WE HAVE NO COMMERCIAL MANUFACTURING EXPERIENCE WITH OUR NEW PRODUCTS. To date we have manufactured our newer optical communications products in our facilities but not in commercial quantities. We will need to outsource the manufacturing of these products once we begin to commercially manufacture them. We may experience delays and other problems during the transition to outsourcing the manufacture of these products.

        WE OPERATE IN AN INDUSTRY EXPERIENCING RAPID TECHNOLOGICAL CHANGE, WHICH MAY MAKE OUR PRODUCTS OBSOLETE.

        Our future success will depend on our ability to develop, introduce and market enhancements to our existing products and to introduce new products in a timely manner to meet our customers' requirements. The echo cancellation and optical communications markets we target are characterized by:

•

rapid technological developments;



•

frequent enhancements to existing products and new product introductions;



•

changes in end user requirements; and



•

evolving industry standards.

        WE MAY NOT BE ABLE TO RESPOND QUICKLY AND EFFECTIVELY TO THESE RAPID CHANGES. The emerging nature of these products and their rapid evolution will require us to continually improve the performance, features and reliability of our products, particularly in response to competitive product offerings. We may not be able to respond quickly and effectively to these developments. The introduction or market acceptance of products incorporating superior technologies or the emergence of alternative technologies and new industry standards could render our existing

21

products, as well as our products currently under development, obsolete and unmarketable. In addition, we may have only a limited amount of time to penetrate certain markets, and we may not be successful in achieving widespread acceptance of our products before competitors offer products and services similar or superior to our products. We may fail to anticipate or respond on a cost-effective and timely basis to technological developments, changes in industry standards or end user requirements. We may also experience significant delays in product development or introduction. In addition, we may fail to release new products or to upgrade or enhance existing products on a timely basis.

        WE MAY NEED TO MODIFY OUR PRODUCTS AS A RESULT OF CHANGES IN INDUSTRY STANDARDS. The emergence of new industry standards, whether through adoption by official standards committees or widespread use by service providers, could require us to redesign our products. If such standards become widespread, and our products are not in compliance, our current and potential customers may not purchase our products. The rapid development of new standards increases the risk that our competitors could develop and introduce new products or enhancements directed at new industry standards before us.

        IF INCUMBENT AND EMERGING COMPETITIVE SERVICE PROVIDERS AND THE TELECOMMUNICATIONS INDUSTRY AS A WHOLE EXPERIENCE A CONTINUED DOWNTURN OR REDUCTION IN GROWTH RATE, THE DEMAND FOR OUR PRODUCTS WILL DECREASE, WHICH WILL ADVERSELY AFFECT OUR BUSINESS.

        We have experienced, and continue to experience, as have other companies in our sector, a slowdown in infrastructure spending by our customers. This trend of lower capital spending in the telecommunications industry contributed to the decline in our revenues, beginning in the second half of fiscal 2001 and continuing to the present. If this trend continues, it will continue to have a negative effect on our operating results. Our success will depend in large part on continued development and expansion of voice and data communications networks. We are subject to risks of growth constraints due to our current and planned dependence on emerging competitive and privatized overseas service providers. These potential customers may be constrained for a number of reasons, including their limited capital resources, changes in regulation and consolidation.

        SOME OF THE KEY COMPONENTS USED IN OUR PRODUCTS ARE CURRENTLY AVAILABLE ONLY FROM SOLE SOURCES, THE LOSS OF WHICH COULD DELAY PRODUCT SHIPMENTS.

        We rely on certain vendors as the sole source of certain key components that we use in our echo cancellation and optical communications products. We have no guaranteed supply arrangements with these vendors. Any extended interruption in the supply of these components would affect our ability to meet scheduled deliveries of our echo cancellation products to customers. If we are unable to obtain a sufficient supply of these components, we could experience difficulties in obtaining alternative sources or in altering product designs to use alternative components. Resulting delays or reductions in product shipments could damage customer relationships, and we could lose customers and orders.

22

        SOME SUPPLIERS OF KEY COMPONENTS MAY REDUCE THEIR INVENTORY LEVELS WHICH COULD RESULT IN LONGER LEAD TIMES FOR FUTURE COMPONENT PURCHASES AND ANY DELAYS IN FILLING OUR DEMAND MAY REDUCE OR DELAY OUR EXPECTED PRODUCT SHIPMENTS AND REVENUES.

        Although we believe there are currently ample supplies of components for our products, it is possible that in the near-term component manufacturers may reduce their inventory levels and require firm orders before they manufacture components. This reduction in stocking levels could lead to extended lead times in the future. If we are unable to procure our planned quantities of material from all prospective suppliers, and if we cannot use alternative components, we could experience revenue delays or reductions and potential harm to customer relationships. An example of this risk occurred in the third quarter of fiscal 2001 as two vendors supplying us with components used in our OC-3 product did not meet our total demand, which contributed to our revenue shortfall in that quarter.

        WE MAY EXPERIENCE UNFORESEEN PROBLEMS AS WE DIVERSIFY OUR INTERNATIONAL CUSTOMER BASE, WHICH WOULD IMPAIR OUR ABILITY TO GROW OUR BUSINESS.

        Historically, we have sold mostly to customers in North America. We are continuing to execute on our plans to expand our international presence through the establishment of new relationships with established international OEMs, value-added resellers and distributors. However, we may still be required to hire additional personnel for the overseas market and incur other unforeseen expenditures. Our planned expansion overseas may not be successful. As we expand our sales focus further into international markets, we will face new and complex issues that we may not have faced before, such as expanded risk to currency fluctuations, manufacturing overseas and broadened import/export controls, which will put additional strain on our management personnel. In the past, substantially all of our international sales have been denominated in U.S. dollars; however, in the future, we may be forced to denominate a greater amount of international sales in foreign currencies. Additionally, the number of installations we will be responsible for is likely to increase as a result of our continued international expansion. In the past, we have experienced difficulties installing one of our echo cancellation products overseas. In addition, we may not be able to establish more relationships with OEMs, value-added resellers and distributors. If we do not, our ability to increase sales could be materially impaired.

        IF WE LOSE THE SERVICES OF ANY MEMBER OF OUR SENIOR MANAGEMENT OR KEY TECHNICAL PERSONNEL, OR ARE UNABLE TO RETAIN OR ATTRACT ADDITIONAL TECHNICAL PERSONNEL, OUR ABILITY TO CONDUCT AND EXPAND OUR BUSINESS WILL BE IMPAIRED.

        We depend heavily on Tim Montgomery, our Chairman, President and Chief Executive Officer, and on other key management and technical personnel, for the conduct and development of our business and the development of our products. Recently, we have attempted to mitigate some of this risk through some key hires. However, there is no guarantee that if we lost the services of one or more of these people for any reason, that it would not adversely affect our ability to conduct and expand our business and to develop new products. We believe that our future success will depend in large part upon our continued ability to attract, retain and motivate highly skilled employees, who are in great demand. However, we may not be able to do so.

        OUR ABILITY TO COMPETE SUCCESSFULLY WILL DEPEND, IN PART, ON OUR ABILITY TO PROTECT OUR INTELLECTUAL PROPERTY RIGHTS, WHICH WE MAY NOT BE ABLE TO PROTECT.

        We rely on a combination of patents, trade secrets, copyright and trademark laws, nondisclosure agreements and other contractual provisions and technical measures to protect our intellectual property rights. Nevertheless, such measures may not be adequate to safeguard the technology underlying our

23

echo cancellation and optical communications products. In addition, employees, consultants and others who participate in the development of our products may breach their agreements with us regarding our intellectual property, and we may not have adequate remedies for any such breach. In addition, we may not be able to effectively protect our intellectual property rights in certain countries. We may, for a variety of reasons, decide not to file for patent, copyright or trademark protection outside of the United States. We also realize that our trade secrets may become known through other means not currently foreseen by us. Notwithstanding our efforts to protect our intellectual property, our competitors may be able to develop products that are equal or superior to our products without infringing on any of our intellectual property rights.

        OUR PRODUCTS EMPLOY TECHNOLOGY THAT MAY INFRINGE ON THE PROPRIETARY RIGHTS OF THIRD PARTIES, WHICH MAY EXPOSE US TO LITIGATION.

        Although we do not believe that our products infringe the proprietary rights of any third parties, third parties may still assert infringement or invalidity claims (or claims for indemnification resulting from infringement claims) against us. Such assertions could materially adversely affect our business, financial condition and results of operations. In addition, irrespective of the validity or the successful assertion of such claims, we could incur significant costs in defending against such claims.

        ACQUISITIONS AND INVESTMENTS MAY ADVERSELY AFFECT OUR BUSINESS.

        From time to time, we review acquisition and investment prospects that would complement our existing product offerings, augment our market coverage, secure supplies of critical materials or enhance our technological capabilities. Acquisitions or investments could result in a number of financial consequences, including:

•

potentially dilutive issuances of equity securities;



•

large one-time write-offs;



•

reduced cash balances and related interest income;



•

higher fixed expenses which require a higher level of revenues to maintain gross margins;



•

the incurrence of debt and contingent liabilities; and



•

amortization expenses related to other acquisition related intangible assets and impairment of goodwill.

        Furthermore, acquisitions involve numerous operational risks, including:

•

difficulties in the integration of operations, personnel, technologies, products and the information systems of the acquired companies;



•

diversion of management's attention from other business concerns;



•

diversion of resources from our existing businesses, products or technologies;



•

risks of entering geographic and business markets in which we have no or limited prior experiences; and



•

potential loss of key employees of acquired organizations.

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Item 3—Quantitative and Qualitative Disclosures About Market Risk

        There have been no material changes in the market risk of our investment portfolio from April 30, 2002, the end of our last fiscal year. Our exposure to market risk for a change in interest rates relates primarily to our investment portfolio. We do not use derivative financial instruments and our investment portfolio only includes highly liquid instruments. As a result of the short-term duration of the financial instruments in our investment portfolio, we do not believe that our financial instruments are materially sensitive to changes in interest rates. Our cash and cash equivalents as of July 31, 2002 of $97.1 million all have maturities of 30 days or less and bear an average interest rate of 1.85%. The estimated fair value of our cash and cash equivalents approximates the principal amounts of the underlying securities based on the short maturities of these financial instruments.

        To date, substantially all of our sales are denominated in U.S. dollars. As only a small amount of foreign bills are paid in currencies other than the U.S. dollar, our foreign exchange risk is considered immaterial to our consolidated financial position, results of operations or cash flows.

25

Part II. OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

        We are subject to legal claims and proceedings that arise in the normal course of our business. While the outcome of these matters is currently not determinable, we do not expect that the ultimate costs to resolve these matters will have a material adverse effect on our financial position, results of operations or cash flows.

ITEM 2.    CHANGES IN SECURITIES AND USE OF PROCEEDS

        None.

ITEM 3.    DEFAULTS ON SENIOR SECURITIES

        None.

ITEM 4.    SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

        None.

ITEM 5.    OTHER INFORMATION

        Not Applicable.

26

ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K

(a)

The exhibits listed below are required by Item 601 of Regulation S-K.

(1)

Incorporated by reference from the exhibit with corresponding number from Ditech's Annual Report on Form 10-K for the fiscal year ended April 30, 2000, filed July 31, 2000.

(2)

Incorporated by reference from the exhibit with corresponding number from Ditech's Current Report on Form 8-K, filed August 8, 2000.

(3)

Incorporated by reference from the exhibit with corresponding number from Ditech's Report on Form 8-K, filed April 30, 2002.

(4)

Incorporated by reference from the exhibit with corresponding number from Ditech's Quarterly Report on Form 10-Q for the quarter ended October 31, 2000, filed December 13, 2000.

(5)

Incorporated by reference from the exhibit with corresponding number from Ditech's Annual Report on Form 10-K for the fiscal year ended April 30, 2002, filed July 29, 2002.

(6)

Incorporated by reference from the exhibit with corresponding title from Ditech's Current Report on Form 8-K, filed March 30, 2001.

(7)

Incorporated by reference from the exhibits with corresponding descriptions from Ditech's Registration Statement (No. 333-75063), declared effective on June 9, 1999.

(b)  Reports on Form 8-K

        Ditech filed no reports on Form 8-K during the first quarter of fiscal 2003.

27

SIGNATURE

        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.

28

EXHIBIT LIST

(1)

Incorporated by reference from the exhibit with corresponding number from Ditech's Annual Report on Form 10-K for the fiscal year ended April 30, 2000, filed July 31, 2000.

(2)

Incorporated by reference from the exhibit with corresponding number from Ditech's Current Report on Form 8-K, filed August 8, 2000.

(3)

Incorporated by reference from the exhibit with corresponding number from Ditech's Report on Form 8-K, filed April 30, 2002.

(4)

Incorporated by reference from the exhibit with corresponding number from Ditech's Quarterly Report on Form 10-Q for the quarter ended October 31, 2000, filed December 13, 2000.

(5)

Incorporated by reference from the exhibit with corresponding number from Ditech's Annual Report on Form 10-K for the fiscal year ended April 30, 2002, filed July 29, 2002.

(6)

Incorporated by reference from the exhibit with corresponding title from Ditech's Current Report on Form 8-K, filed March 30, 2001.

(7)

Incorporated by reference from the exhibits with corresponding descriptions from Ditech's Registration Statement (No. 333-75063), declared effective on June 9, 1999.

29

QuickLinks

ITEM I. Financial Statements

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

Item 3—Quantitative and Qualitative Disclosures About Market Risk

ITEM 2. CHANGES IN SECURITIES AND USE OF PROCEEDS
ITEM 3. DEFAULTS ON SENIOR SECURITIES
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
ITEM 5. OTHER INFORMATION

ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K