UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

FORM 10-Q

OR

For the transition period from            to           .

Commission file number: 0-17972

DIGI INTERNATIONAL INC.

(952) 912-3444

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  (X)      No (  )

Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange Act).

Yes  (X)      No (  )

On April 30, 2004, there were 21,437,694 shares of the registrant’s $.01 par value Common Stock outstanding.

INDEX

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PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

DIGI INTERNATIONAL INC.

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

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DIGI INTERNATIONAL INC.

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

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DIGI INTERNATIONAL INC.

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

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DIGI INTERNATIONAL INC.

1. BASIS OF PRESENTATION

The interim condensed consolidated financial statements included in this Form 10-Q have been prepared by Digi International Inc. (the Company or Digi), without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). Certain information and footnote disclosures, normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America, have been condensed or omitted, pursuant to such rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes thereto included in the Company’s 2003 Annual Report on Form 10-K.

The condensed consolidated financial statements presented herein reflect, in the opinion of management, all adjustments which, other than the change in accounting principle in the first quarter of fiscal year 2003 as described in Note 5, consist only of normal, recurring adjustments necessary for a fair presentation of the consolidated financial position and the consolidated results of operations and cash flows for the periods presented. The consolidated results of operations for any interim period are not necessarily indicative of results for the full year.

2. STOCK-BASED COMPENSATION

The Company applies the intrinsic-value method prescribed in Accounting Principles Board Opinion No. 25, “Accounting for Stock Issued to Employees,” and related interpretations to account for stock-based compensation. Accordingly, compensation expense for stock options granted to employees are measured as the excess, if any, of the fair value of the Company’s stock at the date of grant over the amount an employee must pay to acquire the stock. Such compensation expense, if any, is amortized on a straight-line basis over the option vesting period.

Had the Company applied the fair value recognition provisions of Financial Accounting Standards No. 123, “Accounting for Stock-Based Compensation,” for its stock options granted to employees and for the stock purchases under the employee stock purchase plan and charged operations over the option vesting periods based on the fair value of options on the date of grant, net income (loss) and net income (loss) per share would have changed to the pro forma amounts indicated below:

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

2. STOCK BASED COMPENSATION (CONTINUED)

3. RESTRUCTURING

In fiscal 2002, the Company implemented two restructuring plans resulting in workforce reductions of 88 employees worldwide. The Company recorded a charge of $1.6 million in connection with the Digi operations, consisting of $1.4 million for severance and termination costs related to the elimination of 24 positions in Minnetonka, Minnesota and 23 positions in Europe. The charge also consisted of $72,000 related to lease cancellation and office closing expenses, $29,000 of cancellation fees for automobile leases, and $0.2 million related to legal and professional fees. A second restructuring charge of $1.0 million was recorded in September 2002 for the NetSilicon operations of which $0.2 million was paid during the fourth quarter of fiscal 2002. This restructuring charge included $0.8 million for severance and termination costs related to the elimination of 41 positions primarily in Waltham, Massachusetts. The charge also consisted of $0.2 million related to office closing expenses, and $36,000 of cancellation fees related to automobile leases.

Cash outlays of $17,000 and $1.8 million were charged against the restructuring accruals during the six months ended March 31, 2004 and 2003, respectively. These cash outlays were funded by cash generated from the Company’s operations. The Company recorded a change in estimate adjustment of $0.3 million in the six months ended March 31, 2003 that was reflected as a reduction in the restructuring accrual and a corresponding increase to operating income. The change in estimate resulted primarily from favorable settlements of previously agreed to severance amounts including related legal fees. As of March 31, 2004, all accrued restructuring obligations have been fulfilled.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

3. RESTRUCTURING (CONTINUED)

4. GAIN FROM FORGIVENESS OF GRANT PAYABLE

In connection with the acquisition of ITK International, Inc. (ITK) in July 1998, the Company assumed a liability for an investment grant payable of $1.5 million to the German government relating to construction of the ITK facility in Dortmund, Germany. The investment grant contained a provision that the grant would be forgiven if ITK retained a specified number of employees in the facility for a five-year period. Because ITK was not in compliance with the minimum employment requirements of the grant at the time of the acquisition or subsequent to the acquisition, the Company continued to reflect the grant payable as a liability and to accrue interest on the principal balance of the grant.

During 2000, the Company applied for a waiver of the employment provision in the investment grant, based on unforeseeable developments in the European market that resulted in a smaller workforce. The waiver of the investment grant payable was approved in May 2002 by the German government. Accordingly, during fiscal 2002, the Company reversed the portion of the investment grant payable and the related accrued interest payable that related to the period of time from the initial waiver through September 30, 2002. The forgiven principal portion of the investment grant of $1.1 million was recorded as a component of operating loss for fiscal 2002 and the reversal of the accrued interest payable of $0.5 million was recorded as a component of other income. The Company’s consolidated balance sheet as of September 30, 2002 still reflected an investment grant payable and accrued interest payable of $0.5 million and $6,000, respectively representing the remaining liability that would occur if the Company failed to remain in the building through August 30, 2003.

During the six months ended March 31, 2003, the Company recognized a $67,000 gain from the investment grant payable as a component of operating income related to the portion of the grant payable that was forgiven as a result of remaining in the building through March 31, 2003. As of September 30, 2003, there were no remaining amounts reflected in investment grant payable or accrued interest payable related to the investment grant as the Company fulfilled the terms of the waiver granted by the German government by remaining in the building through August 2003.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

5.

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS – CHANGE IN ACCOUNTING PRINCIPLE

In June 2001, the Financial Accounting Standards Board (FASB) issued Statements of Financial Accounting Standards No. 141, “Business Combinations” (FAS 141), and No. 142, “Goodwill and Other Intangible Assets” (FAS 142). FAS 141 eliminated the pooling-of-interests method of accounting for business combinations, requiring that all business combinations initiated after June 30, 2001 be accounted for using the purchase method. FAS 142 provided that goodwill and other intangible assets with indefinite lives are no longer amortized, but rather are reviewed for impairment at least annually and more frequently in certain circumstances using a two-step process. The first step is to identify a potential impairment and, in transition, this step must be measured as of the beginning of the fiscal year. The second step of the goodwill impairment test measures the amount of the impairment loss (measured as of the beginning of the year of adoption), if any, and must be completed by the end of the Company’s fiscal year. In addition, FAS 142 expanded the disclosure requirements about goodwill and other intangible assets in the years subsequent to their acquisition. The Company adopted the provisions of FAS 142 as of October 1, 2002.

In connection with the adoption of FAS 142, the Company engaged a third-party appraiser to assist management in determining the fair value of each of the Company’s three reporting units as of October 1, 2002 as part of the Company’s adoption of FAS 142 effective that date. Based on this valuation, which utilized a discounted cash flow valuation technique and considered fair values indicated by both the income approach and the market approach, the Company concluded that an impairment was indicated. Accordingly, the Company, with the assistance of the third-party appraiser, measured the fair values of the individual assets and liabilities of each reporting unit and determined that there was a total goodwill impairment of $43.9 million, which the Company recorded as a charge in the first quarter of fiscal 2003. The impairment was attributable primarily to an impairment of the carrying value of goodwill related to the acquisition of NetSilicon of $38.5 million and goodwill related to the Central Data Corporation (CDC) and INXTECH acquisitions of $3.4 million and $2.0 million, respectively. Management believes the impairment resulted from significant changes in the Company’s expected future cash flows that resulted from a decline in anticipated future revenues due both to the general downturn in the worldwide economy and to a severe downturn in the networking and communications and semiconductor sectors of the technology industry. As a result of the downturn in expected future revenues and a substantial decline in the Company’s market capitalization during fiscal 2002, the indicated fair values of the Company’s reporting units had declined substantially since the acquisitions of NetSilicon, CDC and INXTECH. The charge is reported as a cumulative effect of a change in accounting principle. There was no income tax effect associated with this impairment charge.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

5.

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS – CHANGE IN ACCOUNTING PRINCIPLE (CONTINUED)

Amortized identifiable intangible assets as of March 31, 2004 and September 30, 2003 are comprised of the following (in thousands):

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

5.

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS – CHANGE IN ACCOUNTING PRINCIPLE (CONTINUED)

Amortization expense for the three and six months ended March 31, 2004 and 2003 is as follows:

The changes in the carrying amount of goodwill for the six months ended March 31, 2004 and 2003 are as follows:

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS CONTINUED)

5.

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS – CHANGE IN ACCOUNTING PRINCIPLE (CONTINUED)

The Company recorded a goodwill impairment charge of $38.5 million related to the NetSilicon reporting unit and $5.4 million related to the Digi reporting unit upon adoption of FAS 142 in the first quarter of fiscal 2003, based upon the implied fair value of goodwill as determined pursuant to FAS 142.

Amortization expense related to identifiable intangible assets amounted to $1.4 million and $2.8 million for the three and six months ended March 31, 2004. Estimated amortization expense for the remainder of fiscal 2004 and the five succeeding fiscal years is as follows (in thousands):

6. INCOME TAXES

In March 2003, the Company reversed the valuation allowance associated with its German net operating loss carryforwards. The valuation allowance was reversed based upon current and anticipated future taxable income generated by the Company’s German operations. The portion of the valuation allowance related to the German net operating loss carryforwards that were expected to be utilized by the Company during fiscal 2003 were accounted for by reducing the effective income tax rate during fiscal 2003. The portion of the valuation allowance related to the German net operating loss carryforwards that were expected to be utilized by the Company during periods subsequent to September 30, 2003 were accounted for as a discrete event and resulted in an income tax benefit of $1.4 million being recorded during the three month period ended March 31, 2003.

7. COMPREHENSIVE INCOME (LOSS)

The components of total comprehensive income (loss) are shown below. Comprehensive income (loss) includes net income (loss) and foreign currency translation adjustments that are charged or credited to stockholders’ equity.

Comprehensive income (loss) for the three and six months ended March 31, 2004 and 2003 was as follows (in thousands):

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS CONTINUED)

8. NET INCOME (LOSS) PER SHARE

Basic net income (loss) per share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share is computed by dividing net income (loss) by the weighted average number of common and common equivalent shares outstanding during the period. The Company’s only common equivalent shares are those that result from dilutive common stock options.

The following table is a reconciliation of the numerators and denominators in the net income (loss) per share calculations (in thousands except per share data):

Options to purchase 1,928,975 and 2,070,475 shares for the three and six month periods ended March 31, 2004, respectively, and options to purchase 5,735,938 shares for both the three and six month periods ended March 31, 2003 were not included in the computation of diluted earnings per share because the options’ exercise price was greater than the average market price of common shares and therefore their effect would be anti-dilutive whether or not the Company generated net income.

Pursuant to Statement of Financial Accounting Standards No. 128, “Earnings per Share,” income before cumulative effect of accounting change has been used in determining whether potentially dilutive common shares should be included in the calculation of diluted income per share for the six months ended March 31, 2003, even though there was a net loss for the period.

9. SEGMENT INFORMATION

The Company operates in two reportable segments consisting of the Connectivity Solutions Segment and the Device Networking Solutions Segment.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

9. SEGMENT INFORMATION (CONTINUED)

Connectivity Solutions — Connectivity solutions are used by businesses to create, customize, and control retail operations, industrial automation, and other applications. The primary product lines include multi- port serial adaptors, terminal servers, and Universal Serial Bus (USB) connectivity. This reporting segment is comprised of two operating units. The operating segments include the USB products associated with the Company’s Inside Out Networks subsidiary, and the products associated with all other operations of the Company, excluding NetSilicon and the Device Server product line. The Company’s Connectivity Solutions segment has operating facilities located in Minnetonka, Minnesota; Dortmund, Germany and the Inside Out Networks facilities in Austin, Texas and Long Beach, California.

Device Networking Solutions – Device Networking Solutions are integrated hardware and software solutions for manufacturers and integrators who want to build network-ready products and solutions. This family of solutions integrates network-enabled microprocessors (specialized computer chips), an operating system, networking software, development tools, and a high level of technical support. The primary product lines include device servers, integrated microprocessor and printer controller boards. In addition, the Company licenses software products that are embedded into electronic devices to enable Internet and Web-based communications. The operations of NetSilicon and the Device Server product line comprise this segment and are located in Waltham, Massachusetts; Tokyo, Japan; Dortmund, Germany; and Minnetonka, Minnesota.

Summary financial data by business segment are presented below for the three and six months ended March 31, 2004 and 2003:

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

9. SEGMENT INFORMATION (CONTINUED)

The Company considers operating income (loss) to be the primary measure by which it measures the operating performance of each segment. A reconciliation of the Company’s consolidated segment operating income (loss) to consolidated income before income taxes and cumulative effect of accounting change follows:

The Company adopted the provisions of FAS 142 (see Note 5) on October 1, 2002. In connection with the adoption of FAS 142, the Company recorded a goodwill impairment charge of $43.9 million in the first quarter of fiscal 2003, attributable to an impairment of the carrying value of goodwill related to the NetSilicon acquisition and other acquisitions. The Company recorded a goodwill impairment charge related to the Device Networking Solutions and Connectivity Solutions segments of $38.5 million and $5.4 million, respectively. The charge is reported as a cumulative effect of a change in accounting principle.

10. INVENTORIES

Inventories are stated at the lower of cost or market, with cost determined on the first-in, first-out method. Inventories at March 31, 2004 and September 30, 2003 consisted of the following (in thousands):

11. FINANCIAL GUARANTEES

The Company, in general, warrants its products to be free from defects in material and workmanship under normal use and service for a period of one to five years from the date of receipt. The Company has the option to repair or replace products it deems defective due to material or workmanship. Estimated warranty costs are accrued in the period that the related revenue is recognized based upon an estimated average per unit repair or replacement cost applied to the estimated number of units under warranty. These estimates are based upon historical warranty

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

11. FINANCIAL GUARANTEES (CONTINUED)

incidence and are evaluated on an ongoing basis to ensure the adequacy of the warranty reserve. The following table summarizes the activity associated with the product warranty liability accrual for the three and six month periods ended March 31, 2004 and 2003 (in thousands):

The Company is not responsible and does not warrant that custom software versions created by original equipment manufacturer (OEM) customers based upon the Company’s software source code will function in a particular way, conform to any specifications, are fit for any particular purpose and does not indemnify these customers from any third-party liabilities as it relates to or arises from any customization or modifications made by the OEM customer.

The Company maintained a line of credit in Europe with Deutsche Bank through September 30, 2003. Borrowings under the line of credit were limited to and collateralized by an amount maintained in a time deposit in a New York Deutsche Bank account. The principal amount of the time deposit was $1.3 million and was included in marketable securities at September 30, 2003. Upon maturity, on December 23, 2003, the Company chose to withdraw the time deposit and cancel the related line of credit arrangement as management believes there are sufficient funds available from operations. There was no outstanding balance on the line of credit as of September 30, 2003.

The Company paid off all outstanding long-term debt in the amount of $5.5 million during the fourth quarter of fiscal 2003. During the fourth quarter of fiscal 2003, the Company entered into a short-term borrowing agreement in the amount of 1.7 million Euros ($2.0 million). This short-term borrowing was paid in full in January 2004.

12. RECENT ACCOUNTING DEVELOPMENTS

In January 2003, the FASB issued Interpretation No. 46 “Consolidation of Variable Interest Entities,” which addressed accounting for special-purpose and variable interest entities. This interpretation was effective for financial statements issued after December 31, 2002. In December 2003, the FASB issued Interpretation No. 46R “Consolidation of Variable Interest Entities,” which addresses accounting for special-purpose and variable interest entities and which superseded Interpretation 46. The effective date of this interpretation is the end of the first reporting period that ends after March 15, 2004, unless the entity is considered to be a special-purpose entity in which case, the effective date is the end of the first reporting period that ends after December 15, 2003. Companies that have adopted Interpretation No. 46 prior to the

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

12. RECENT ACCOUNTING DEVELOPMENTS (CONTINUED)

effective date of Interpretation No. 46R will either continue to apply Interpretation No. 46 until the effective date of Interpretation No. 46R or apply the provisions of Interpretation No. 46R at an earlier date. The Company adopted the provisions of Interpretation No. 46 during fiscal 2003. The adoption of this interpretation did not have an impact on the Company’s consolidated financial position or results of operations. The Company adopted Interpretation No. 46R effective March 15, 2004. The adoption of Interpretation No. 46R did not have an impact on the Company’s consolidated financial position or results of operations.

13. LEGAL PROCEEDINGS

On April 19, 2002, a consolidated amended class action complaint was filed in the United States District Court for the Southern District of New York. The complaint, which supersedes three virtually identical complaints that had been filed from August 7, 2001 to August 31, 2001, is captioned “In re NETsilicon, Inc. Initial Public Offering Securities Litigation” (21 MC 92, 01 Civ. 7281 (SAS)). The complaint names as defendants NetSilicon, certain of its officers, certain underwriters involved in NetSilicon’s initial public offering (“IPO”), and the Company, and asserts, among other things, that NetSilicon’s IPO prospectus and registration statement violated federal securities laws because they contained material misrepresentations and/or omissions regarding the conduct of NetSilicon’s IPO underwriters in allocating shares in NetSilicon’s IPO to the underwriters’ customers, and that NetSilicon and the two named officers engaged in fraudulent practices with respect to this underwriters’ conduct. The action seeks damages, fees and costs associated with the litigation, and interest. The Company believes that the claims against the Company are without merit and has defended the litigation vigorously. Pursuant to a stipulation between the parties, the two named officers were dismissed from the lawsuit, without prejudice, on October 9, 2002. On July 15, 2002, the Company, along with over 300 other publicly traded companies that have been named in substantially similar lawsuits, filed a collective motion to dismiss the complaint on various legal grounds common to all or most of the issuer defendants. On February 19, 2003, the Court denied the Company’s motion to dismiss.

In June 2003, the Company, implementing the determination made by a special independent committee of the Board of Directors, elected to participate in a proposed settlement agreement with the plaintiffs in this litigation. If ultimately approved by the Court, this proposed settlement would result in a dismissal, with prejudice, of all claims in the litigation against the Company and against any of the other issuer defendants who elect to participate in the proposed settlement, together with the current or former officers and directors of participating issuers who were named as individual defendants. The proposed settlement does not provide for the resolution of any claims against the underwriter defendants, and the litigation as against those defendants is continuing. The proposed settlement provides that the class members in the class action cases brought against the participating issuer defendants will be guaranteed a recovery of $1 billion by insurers of the participating issuer defendants. If recoveries totaling $1 billion or more are obtained by the class members from the underwriter defendants, however, the monetary obligations to the class members under the proposed settlement will be satisfied. In addition, the Company and any other participating issuer defendants will be required to assign to the class members certain claims that they may have against the underwriters of their IPOs.

The proposed settlement contemplates that any amounts necessary to fund the settlement or settlement-related expenses would come from participating issuers’ directors and officers liability insurance policy proceeds as opposed to funds of the participating issuer defendants themselves. A participating issuer defendant could be required to contribute to the costs of the settlement if that issuer’s insurance coverage were insufficient to pay that issuer’s allocable share of the settlement costs. The Company expects that its insurance proceeds will be

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

13. LEGAL PROCEEDINGS (CONTINUED)

sufficient for these purposes and that it will not otherwise be required to contribute to the proposed settlement. Consummation of the proposed settlement is conditioned upon, among other things, negotiating, executing, and filing with the Court final settlement documents, and final approval by the Court. Formal settlement documents for submission to the Court are currently being drafted. If the proposed settlement described above is not consummated, the Company intends to continue to defend the litigation vigorously. The litigation process is inherently uncertain and unpredictable, however, and there can be no guarantee as to the ultimate outcome of this pending lawsuit. The Company maintains liability insurance for such matters that provides for coverage of up to a maximum of $10 million per occurrence. The Company expects that the liability insurance will be adequate to cover any potential unfavorable outcome, less the applicable deductible amount of $250,000 per claim. As of March 31, 2004, the Company has accrued a liability for the deductible amount of $250,000 which the Company believes reflects the amount of loss that is probable. The Company believes the insurance claim will be approved based on discussion with representatives of the insurance company. In the event the Company has losses that exceed the limits of the liability insurance, such losses could have a material effect on the business, or consolidated results of operations or financial condition of the Company.

In the normal course of business, the Company is subject to various claims and litigation, including patent and intellectual property claims. Management of the Company expects that these various litigation items will not have a material adverse effect on the consolidated results of operations or financial condition of the Company.

SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

This Form 10-Q contains certain statements that are “forward-looking statements” as that term is defined under the Private Securities Litigation Reform Act of 1995, and within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.

The words “believe,” “anticipate,” “intend,” “estimate,” “target,” “may,” “will,” “expect,” “plan,” “project,” “should,” or “continue” or the negative thereof or other expressions, which are predictions of or indicate future events and trends and which do not relate to historical matters, identify forward-looking statements. Such statements are based on information available to management as of the time of such statements and relate to, among other things, expectations of the business environment in which the Company operates, projections of future performance, perceived opportunities in the market and statements regarding the Company’s mission and vision. Forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual results, performance or achievements of the Company to differ materially from anticipated future results, performance or achievements expressed or implied by such forward-looking statements. The Company undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

The future operating results and performance trends of the Company may be affected by a number of factors, including, without limitation, those described under “Risk Factors” in the Company’s annual report on Form 10-K for the year ended September 30, 2003. Those risk factors, and other risks, uncertainties and assumptions identified from time to time in the Company’s filings with the Securities and Exchange

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SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995 (CONTINUED)

Commission, including without limitation, its annual report on Form 10-K, its quarterly reports on Form 10-Q and its registration statements, could cause the Company’s actual future results to differ materially from those projected in the forward-looking statements as a result of the factors set forth in the Company’s various filings with the Securities and Exchange Commission and of changes in general economic conditions, changes in interest rates and/or exchange rates and changes in the assumptions used in making such forward-looking statements.

CRITICAL ACCOUNTING POLICIES

The Company’s discussion and analysis of its financial condition and results of operations are based upon the Company’s consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, the disclosure of contingent assets and liabilities and the values of purchased assets and assumed liabilities in acquisitions. The Company bases its estimates on historical experience and various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.

The Company believes the following critical accounting policies affect its more significant judgments and estimates used in the preparation of its consolidated financial statements.

REVENUE RECOGNITION

The Company’s revenues are derived primarily from the sale of products to its distributors, OEM customers and other strategic end user customers, and to a lesser extent from the sale of software licenses, fees associated with technical support, training, professional and engineering services, and royalties. The Company recognizes revenue when persuasive evidence of an arrangement exists, delivery has occurred, the sales price is fixed or determinable, collectibility is probable and there are no post-delivery obligations other than warranty. Under these criteria, product revenue is generally recognized upon shipment of product to customers, including OEMs, distributors and other strategic end user customers. During the fourth quarter of fiscal 2003, the Company entered into a distribution agreement with a new distributor. The Company has no prior history with this distributor upon which to base estimated reserves for future returns and pricing adjustments. Under this arrangement, product deliveries will be recognized as revenue when the products are sold by this distributor through to the end user customer until the Company has adequate historical experience to estimate sales returns and pricing adjustments, at which time sales will be recognized upon shipment to this distributor. During the first half of fiscal 2004, $0.5 million of revenue was recognized as a result of sales to end user customers by this distributor. Sales to all other authorized domestic distributors and OEMs are made with certain rights of return and price protection provisions. Estimated reserves for future returns and pricing adjustments are established by the Company based on an analysis of historical patterns of returns and price protection claims as well as an analysis of authorized returns compared to received returns, current on-hand inventory at distributors, and distribution sales for the current period. Estimated reserves for future returns and price protection are charged against revenues in the same period as the corresponding sales are recorded. Material differences between the

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CRITICAL ACCOUNTING POLICIES (CONTINUED)

REVENUE RECOGNITION (CONTINUED)

historical trends used to determine estimated reserves and actual returns and pricing adjustments could result in a material change to the Company’s consolidated results of operations or financial position. The Company has applied consistent methodologies for estimating reserves for future returns and pricing adjustments for all periods presented. As of March 31, 2004 the reserve for future returns and pricing adjustments was $2.3 million compared to $2.5 million at September 30, 2003.

The Company offers rebates to authorized domestic and international distributors and authorized resellers. The rebates are incurred based on the level of sales the respective distributors and resellers make to end user customers, and are charged to operations as a reduction in revenue in the same period as the corresponding sales.

The Company also generates revenue from the sale of software licenses, fees associated with technical support, training, professional and engineering services, and royalties. Revenue from software maintenance obligations is deferred and recognized at the time the service is provided or over the life of the underlying service or support contract, if applicable. Unearned software maintenance and unearned nonrecurring engineering services revenue is included in deferred revenue on the balance sheet. Generally, the Company recognizes revenue under agreements for nonrecurring engineering services using the percentage-of-completion method of accounting based on the ratio of actual labor hours incurred to total estimated labor hours for individual contracts. However, the Company defers revenues from nonrecurring engineering services until delivery if, at the inception of the arrangement, there is uncertainty about delivery and/or the costs of delivery cannot be accurately estimated.

The Company’s software development tools and development boards often include multiple elements — hardware, software, post-contract customer support, limited training and basic hardware design review. The Company’s customers purchase these products and services during their product development process in which they use the tools to build network connectivity into the devices they are manufacturing. The Company recognizes revenue related to these multiple element arrangements in accordance with Statement of Position (SOP) No. 97-2 “Software Revenue Recognition,” as amended by SOP 98-4, “Deferral of the Effective Date of Certain Provisions of SOP 97-2.” Revenue related to the sale of these development products is allocated to the various elements based on vendor-specific objective evidence of fair value as determined by the price charged for each element when sold separately.

ALLOWANCE FOR DOUBTFUL ACCOUNTS

The Company maintains an allowance for doubtful accounts, which reflects the estimate of losses that may result from the inability of some of the Company’s customers to make required payments. The estimate for the allowance for doubtful accounts is based on known circumstances regarding collectibility of customer accounts and historical collections experience. If the financial condition of one or more of the Company’s customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. Material differences between the historical trends used to estimate the allowance for doubtful accounts and actual collection experience could result in a material change to the Company’s consolidated results of operations or financial position. As of March 31, 2004 the allowance for doubtful accounts was $1.0 million, consistent with the balance at September 30, 2003.

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CRITICAL ACCOUNTING POLICIES (CONTINUED)

INVENTORY

Inventories are stated at the lower of cost or fair market value, with cost determined on the first-in, first-out method. Fair value for raw materials is based on replacement cost and for other inventory classifications based on net realizable value. The Company reduces the carrying value of its inventories for estimated excess and obsolete inventories equal to the difference between the cost of inventory and its estimated realizable value based upon assumptions about future product demand and market conditions. If actual product demand or market conditions are less favorable than those projected by management, additional inventory write-downs may be required that could result in a material change to the Company’s consolidated results of operations or financial position. The Company has applied consistent methodologies for the net realizable value of inventories. As of March 31, 2004 the reserve for excess and obsolete inventory was $3.2 million compared to $4.0 million at September 30, 2003.

IDENTIFIABLE INTANGIBLE ASSETS AND GOODWILL

Purchased proven technology, license agreements, covenants not to compete and other identifiable intangible assets are recorded at fair value when acquired in a business acquisition, or at cost when not purchased in a business combination. Goodwill represents the excess of cost over the fair value of identifiable assets acquired and is not amortized. However, goodwill is subject to an impairment assessment at least annually which may result in a charge to operations if the fair value of the reporting unit in which the goodwill is reported declines. Purchased in-process research and development costs are expensed upon consummation of the related business acquisition. All other identifiable intangible assets are amortized on a straight-line basis over their estimated useful lives of four to ten years. Useful lives for identifiable intangible assets are estimated at the time of acquisition based on the periods of time from which the Company expects to derive benefits from the intangible assets. Methods of amortization reflect the pattern in which the asset is consumed.

Identifiable intangible assets are reviewed at least annually for impairment, or whenever events or circumstances indicate that the asset’s undiscounted expected future cash flows are not sufficient to recover the carrying value amount. The Company measures impairment loss by utilizing a discounted cash flow valuation technique using fair values indicated by the income approach. Impairment losses, if any, are recorded currently. To the extent that the Company’s undiscounted future cash flows were to decline substantially, such an impairment charge could result. There are certain assumptions inherent in projecting the recoverability of the Company’s identifiable intangible assets and fair value of goodwill. If actual experience differs from the assumptions made the consolidated results of operations or financial position of the Company could be materially impacted. The Company last performed its annual goodwill impairment assessment for its NetSilicon and Inside Out Networks reporting units as of June 30, 2003. Since the calculated fair value of each reporting unit exceeded book value, there was no impairment identified. Goodwill of $5.8 million remains on the Company’s balance sheet as of March 31, 2004 (see Note 5).

INCOME TAXES

Deferred tax assets and liabilities are recorded based on Statement of Financial Accounting Standards No. 109, “Accounting for Income Taxes” (FAS 109). The amount of deferred tax assets and liabilities actually realized could be impacted by differences in the timing or amount of future reversals of existing deferred tax liabilities or changes in the amounts of future taxable income. If management determines that it is

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CRITICAL ACCOUNTING POLICIES (CONTINUED)

INCOME TAXES (CONTINUED)

more likely than not that a deferred tax asset will not be realized, a valuation allowance would be required, and would be reflected as income tax expense at the time that any such change in estimated future taxable income is determined. The Company has determined that a valuation allowance is not required as of March 31, 2004.

Tax credits are accounted for under the flow-through method, which recognizes the benefit in the year in which the credit is utilized.

The Company operates in multiple tax jurisdictions both in the U.S. and outside the U.S. Accordingly, the Company must determine the appropriate allocation of income to each of these jurisdictions. This determination requires the Company to make several estimates and assumptions. Tax audits associated with the allocation of this income, and other complex issues, may require an extended period of time to resolve and could result in adjustments to the Company’s income tax balances that are material to the consolidated financial position and results of operations.

OVERVIEW

Digi operates in the communications technology sector, which is characterized by rapid technological advances and evolving industry standards. The market can be significantly affected by new product introductions and marketing activities of industry participants.

The Company operates in two reportable segments, the Connectivity Solutions segment and the Device Networking Solutions segment. The Connectivity Solutions segment includes products that are mature and are in flat to declining markets as well as products that have recently been introduced and are in growing markets. The Company anticipates that declining sales of products in the mature product lines within this segment will be offset by increasing sales of growth products in this segment, resulting in flat to slightly increasing sales levels quarter over quarter. Net sales for the three month period ended March 31, 2004 increased slightly and net sales for the six month period ended March 31, 2004 declined slightly compared to the same periods a year ago. Improved margins and lower operating costs resulted in an increase in Connectivity Solution segment operating income in both the three and six month periods ended March 31, 2004 compared to the same periods a year ago. The Company’s strategy is to focus on key applications, customers and markets to efficiently manage the migration from mature products and applications to other newer technologies.

The Company expects continued long-term growth in the Device Networking Solutions segment. Net sales in the Device Networking segment increased during the three and six month periods ended March 31, 2004 compared to the same periods a year ago. The timing and amount of Digi’s continued research and development activity related to next generation chip development has resulted in an increase in operating loss during the three month period ended March 31, 2004 compared to the same period a year ago while operating loss for the six month period ended March 31, 2004 remained relatively flat compared to the same period a year ago. The Company believes the complementary nature of the NetSilicon device connectivity products, along with a line of embeddable modules and controllers, will provide an expanded

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OVERVIEW (CONTINUED)

range of products and technology in the future and will allow customers to migrate from an external box to a board or module and eventually to a fully integrated chip without making major changes to their software platforms.

The Company finances its operations principally with funds generated from operations and has a strong operating expense management and asset management focus. The Company intends to continue its efforts to reduce its expense to revenue ratio and to closely monitor its working capital and asset turnover measures.

Significant events impacting the Company’s operations during the three and six month periods ended March 31, 2003 included the adoption of FAS 142 on October 1, 2002 and the reversal of the valuation allowance associated with its German net operating loss carryforwards in March 2003. In connection with the adoption of FAS 142, the Company recorded a goodwill impairment charge of $43.9 million. The charge was recorded as a cumulative effect of a change in accounting principle. The valuation allowance was reversed based upon current and anticipated future taxable income generated by the Company’s German operations. The portion of the valuation allowance related to the German net operating loss carryforwards that were expected to be utilized by the Company during fiscal 2003 were accounted for by reducing the effective income tax rate during fiscal 2003. The portion of the valuation allowance related to the German net operating loss carryforwards that were expected to be utilized by the Company during periods subsequent to September 30, 2003 were accounted for as a discrete event and resulted in an income tax benefit of $1.4 million being recorded during the three month period ended March 31, 2003.

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CONSOLIDATED RESULTS OF OPERATIONS

The following table sets forth selected information derived from the Company’s interim condensed consolidated statements of operations expressed as percentages of net sales and as a percentage of changes from period-to-period for the periods indicated:

(1)

Intangibles amortization is included in general and administrative expenses in the Condensed Consolidated Statement of Operations

“N/M” means not meaningful

NET SALES

Net sales for the three and six months ended March 31, 2004 were $27.3 million and $53.6 million compared to net sales of $25.5 million and $51.0 million for the three and six months ended March 31, 2003. Net sales increased by $1.8 million, or 7.2%, and $2.6 million, or 5.1% in the three and six-month periods ended March 31, 2004 compared to the same periods in the prior fiscal year. Fluctuation in foreign currency rates had a favorable impact on net sales of $0.5 million and $1.1 million in the three and six-month periods ended March 31, 2004 (see Item 3, “Quantitative and Qualitative Disclosures About Market Risk”). The Company competes for customers on the basis of product performance in relation to compatibility, support, quality and reliability, product development capabilities, price and availability. As the customer and product mix has changed, the Company has experienced a slight reduction in the average selling price of its products. Volume fluctuations, in addition to customer and product mix changes, are the primary reason for changes in net sales.

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NET SALES (CONTINUED)

The following tables set forth revenue by segment, for the three and six months periods ended March 31, 2004 and March 31, 2003, expressed in thousands of dollars and as a percentage of net sales: