Onyx Software Schedules 2005 Q1 Earnings Call and Annual Shareholders

    Business Editors

    BELLEVUE, Wash.--(BUSINESS WIRE)--May 3, 2005--Onyx(R) Software Corporation (NASDAQ:ONXS) will hold its quarterly conference call to discuss final results for the first quarter of 2005 on Wednesday, May 4, 2005 at 4:30 p.m. Eastern time. The live broadcast Onyx Software's quarterly conference call will be available online at www.onyx.com or www.companyboardroom.com. The call will be archived and available for replay for one week. Alternatively, you can participate by phone.

First Quarter Earnings Call When: Wednesday, May 4, 2005 Time: 4:30 p.m. Eastern/1:30 p.m. Pacific Web Access: www.onyx.com or www.companyboardroom.com Dial-In: 1-800-901-5217 International Dial-In: 1-617-786-2964 Passcode: 69971377 Replay: 1-617-801-6888 (available 6:30 p.m. May 4, 2005 through March 18, 2005 11:59 p.m. Eastern) Passcode: 43353638

    The company also announced that its annual meeting will be held at 10:00 a.m. (Pacific) on Thursday, June 9, 2005 at Onyx's executive offices, 1100 - 112th Avenue NE, Suite 100, in Bellevue, Washington.

    About Onyx Software

    Onyx Software Corporation (Nasdaq:ONXS) is a worldwide leader in customer process software and solutions for the enterprise. Onyx provides flexible solutions that enable organizations to automate, manage, and evolve their customer processes quickly and cost-effectively for strategic advantage. By providing an integrated suite of customer process automation applications encompassing customer management, process management, and analytics capabilities, Onyx enables enterprises to reduce costs, increase productivity and grow revenue. Major companies are aligning their customer-facing departments and managing their customer processes with Onyx software - companies such as Amway Corporation, Delta Dental, Mellon Financial Corporation, The Regence Group and State Street Corporation. More information can be found at (888) ASK-ONYX, info@onyx.com or http://www.onyx.com/.

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

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CONTACT: Onyx Software Corporation Mark Lamb, 425-519-4034 markl@onyx.com

KEYWORD: WASHINGTON INDUSTRY KEYWORD: HARDWARE COMPUTERS/ELECTRONICS SOFTWARE EARNINGS CONFERENCE CALLS SOURCE: Onyx Software Corporation

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