Onyx Software Announces Strong Preliminary Q3 Results
Management Changes Also Announced

BELLEVUE, Wash. - Onyx® Software Corporation (NASDAQ: ONXS) worldwide leader in successful CRM, today announced preliminary financial results for the quarter ended Sept. 30, 2002. For the third quarter of 2002, the company expects to report revenue in the range of $18.5 million, including license revenues of approximately $7 million.

Pro forma operating results, excluding amortization of intangibles and any restructuring charges, are expected to be in the range of break-even to slight profitability. The company expects to report final results later this month.

"We continue to compete for and win business from both new and existing customers based on our ability to deliver successful, cost-effective CRM," said Brent Frei, CEO and co-founder of Onyx Software. An existing customer expanded its Onyx deployment in the third quarter with a purchase that exceeded 10 percent of revenue. "Our aggressive focus on expense control, coupled with strategic investments in marketing and sales, has allowed us to make progress in managing our business toward profitability."

The company also announced today that Leslie Rechan, president and chief operating officer, will leave Onyx effective Oct. 4, 2002, to pursue other opportunities. Frei has reassumed the responsibilities previously held by Rechan. The company does not intend to fill the COO role at this time.

"I want to thank Les for his commitment and contribution to Onyx," Frei said. "The past 18 months have been challenging for virtually every technology company, and I appreciate the passion Les has shown for our business throughout that period."

About Onyx Software
Onyx Software Corp., 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 info@onyx.com.

This press release contains forward-looking statements, including statements about our expected financial results for the third quarter of 2002 and other statements about our plans, objectives, intentions and expectations. 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 our actual results include, but are not limited to, the risk that our quarterly accounting review procedures or developments after the date of this release result in changes to our results announced in this release, our ability to manage our business to profitability in future fiscal periods, our current intention to not fill the now-vacant executive management position and the "Important Factors That May Affect Our Business, Our Results of Operations and Our Stock Price" described in our quarterly 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. We undertake 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:

Rosemary Moothart Investor Relations Director Onyx Software (425) 519-4068

Bob Craig Onyx Software 617-314-6846

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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