Onyx Pharmaceuticals Announces Fourth Quarter And Year-End 2005 Financial Results Teleconference And Webcast

EMERYVILLE, Calif. — Feb. 09, 2006

Julie Wood

Onyx Pharmaceuticals, Inc. (Nasdaq: ONXX) today announced that it will webcast a teleconference with management to discuss fourth quarter and year-end 2005 financial results and provide a general business overview on Thursday, February 16, 2006, at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time).  Financial results for the fourth quarter and year ended December 31, 2021 will be released earlier that day.

Interested parties may access a live webcast of the presentation at:

or by dialing 706-758-9355 and using the passcode 4797705.  A replay of the presentation will be available on the Onyx website or by dialing 706-645-9291 and using the passcode 4797705 approximately one hour after the teleconference concludes.  The replay will be available through March 16, 2006.

Onyx Pharmaceuticals is engaged in the development of novel cancer therapies that target the molecular basis of cancer.  With its collaborators, the company is developing small molecule drugs, including Nexavar® (sorafenib) tablets with Bayer Pharmaceuticals Corporation.  For more information about Onyx’s pipeline and activities, visit the company’s website at

Nexavar® (sorafenib) tablets is a registered trademark of Bayer Pharmaceuticals Corporation.

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