BELLEVUE, Wash. - Onyx® Software Corporation (NASDAQ: ONXS) has scheduled its second quarter 2001 earnings release and conference call for Tuesday, July 24, 2001 after the market close.

The Onyx Software earnings conference call is scheduled to start promptly at 4:15 pm Eastern (1:15 pm Pacific.) We suggest that you access the call 10-15 minutes prior to the start time by signing on at http://investor.onyx.com. The call will be archived and available for replay at this same URL. Alternatively, you can participate by phone.

When: Tuesday, July 24, 2001
Time: 4:15 p (Eastern) / 1:15p (Pacific)
Dial-In: 1-800-946-0705
International Dial-In: 1-719-457-2637
Replay: 1-719-457-0820 (available through midnight, July 31)
Passcode: 427078

About Onyx Software
Onyx Software Corp. (NASDAQ: ONXS) is a global supplier of customer relationship management (CRM) enterprise applications that power a company's entire business world, connecting sales, marketing and service organizations with customers, prospects and partners. Through an innovative mix of Internet technology, strategic services and customer commitment, Onyx helps companies create the seamless, branded customer experiences they need to forge competitive advantage and build real business value. Its reliable, scalable, flexible, holistic solutions enable companies to attract, acquire and retain customers and partners across all channels and touch points. Onyx customers include American Express, Broadwing, Commerce One, Credit Suisse, Dreyfus, FirstWorld Communications, Portland Trail Blazers, Prudential Investments and Sierra Health Services. Get more information at 888-ASK-ONYX, 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 quarterly report on form 10-Q for the period ending March 31, 2001. 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 Corporation in the United States and other countries.

Contact:

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

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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