Onyx Software Among Fastest-Growing Technology Companies In Independent Rankings
Company Recognized by Software Magazine, Washington State Technology Fast 50

BELLEVUE, Wash. - Onyx® Software Corp. (NASDAQ: ONXS), worldwide leader in CRM success, today announced it has, once again, been recognized as one of the fastest-growing technology companies by both Software Magazine and the Washington State Technology Fast 50. Onyx placed 195th and 30th, respectively, in the independent rankings. This marks the third consecutive year Onyx has been recognized by Software Magazine and the fourth consecutive year it has been named to the Washington State Technology Fast 50.

"Our business vision and design philosophy have always centered on CRM success," said Brent Frei, CEO and co-founder of Onyx. "In an era of economic uncertainty and disillusionment with technology vendors, Onyx stands out. If a company takes care of its customers and offers technology that makes a bottom-line difference, it should always be in business and positioned for continued growth."

The Software 500 is Software Magazine's annual compendium of software and services suppliers. It is a comprehensive look at the enterprise software landscape, encompassing both public and private companies that develop business software and services. The ranking is based on total worldwide software and services revenue for 2001. The financial information is based on the calendar year and was gathered from Software Magazine's vendor survey, public documents and industry analysts.

The Washington State Technology Fast 50, now in its seventh year, annually recognizes the 50 fastest-growing technology companies in Washington state, based on percentage of revenue growth over a five-year period. Designees can be public or private companies and encompass all industry segments.

Onyx has also been nominated for consideration in the Technology Fast 500, which honors the fastest-growing technology companies in the United States. The Technology Fast 500 companies will receive their rankings on Oct. 16.

About Onyx Software
Onyx Software Corp. (Nasdaq: ONXS), worldwide leader in delivering successful CRM, offers a fast, cost-effective, usable solution that shares critical information among employees, customers and partners through three role-specific, Web services-based portals. The Onyx approach delivers real-world success by aligning CRM technology with business objectives, strategies and processes. Companies rely on Onyx across multiple departments to create a superior customer experience and a profitable bottom line. Onyx serves customers worldwide in a variety of industries, including financial services, healthcare, high technology and the public sector. Customers include Agile Software Corp., Credit Suisse, Delta Dental Plans of California and Pennsylvania, Dreyfus Corp., Fluke Networks, Inc., Ingenix Health Intelligence, The Regence Group, The Seattle Mariners and Suncorp. More information can be found at 888-ASK-ONYX, or email info@onyx.com.

This press release contains forward-looking statements. Forward-looking statements are based on the opinions and estimates of management at the time the statements are made and are subject to risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements. The words "believe," "expect," "intend," "anticipate," variations of such words and similar expressions identify forward-looking statements, but their absence does not mean that the statement is not forward-looking. These statements are not guarantees of future performance and are subject to risks, uncertainties and assumptions that are difficult to predict. Factors that could affect Onyx's actual results include, but are not limited to the "Important Factors That May Affect Our Business, Our Results of Operations and Our Stock Price" described in our annual report on form 10-Q for the period ended June 30, 2002. Readers are cautioned not to place undue reliance upon these forward-looking statements that speak only as to the date of this release. Onyx undertakes no obligation to update publicly any forward-looking statements to reflect new information, events or circumstances after the date of this release or to reflect the occurrence of unanticipated events.

Onyx is a registered trademark of Onyx Software Corp. in the United States and other countries. Other product or service names mentioned herein are the trademarks of their respective owners.

Contact:

Bob Craig Onyx Software 617-314-6846

Jamey Chown Waggener Edstrom Telephone: 425.638.7000

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MEDIA CONTACTS

Americas / Corporate Headquarters Mitch Briggs Public Relations Coordinator Consona Corporation Telephone: 317.249.1620 Mobile: 317.829.4210 Europe, Middle East, Africa Richard Furby Managing Director, Onyx UK Telephone: +44 (0) 1344 322 199 Fax: +44 (0) 1344 489 035 Japan Daisuke Sawamura Director, Professional Services Telephone: +81 03 5215 7311