ONYX Pharmaceuticals, Inc. (ONXX) President and Chief Executive Officer to Ring the NASDAQ Stock Market Closing Bell


ADVISORY, Dec. 16, 2009 (GLOBE NEWSWIRE) --



 What:
 ONYX Pharmaceuticals, Inc. (ONXX) will visit the NASDAQ MarketSite
 in New York City's Times Square.

 In honor of the occasion, N. Anthony Coles, M.D., President and
 Chief Executive Officer, will preside over the NASDAQ Closing
 Bell.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Thursday, December 17th, 2009 at 3:45 p.m. to 4:00 p.m. ET

 Contacts:
 Julie Wood
 (510) 597-6505
 jwood@onyx-pharm.com

 NASDAQ MarketSite:
 Robert Madden
 (646) 441-5045
 Robert.Madden@NASDAQOMX.com

Feed Information:

The Closing Bell is available from 3:50 p.m. to 4:05 p.m. on AMC-3/C-3 (ul 5985V; dl 3760H). The feed can also be found on Ascent fiber 1623. If you have any questions, please contact Robert Madden at (646) 441-5045.

Radio Feed:

An audio transmission of the Closing Bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Ascent fiber 1623 as well.

Facebook and Twitter:

For multimedia features such as exclusive content, photo postings, status updates and video of bell ceremonies please visit our Facebook page at:

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Webcast:

A live webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx

Photos:

To obtain a high-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice.

About Onyx Pharmaceuticals, Inc. (ONXX):

Onyx Pharmaceuticals, Inc. is a biopharmaceutical company committed to improving the lives of people with cancer. The company, in collaboration with Bayer HealthCare Pharmaceuticals, Inc., is developing and marketing Nexavar(R) (sorafenib) tablets, a small molecule drug that is currently approved for the treatment of liver cancer and advanced kidney cancer. Additionally, Nexavar is being investigated in several ongoing trials in a variety of tumor types. Beyond Nexavar, Onyx has established a development pipeline of anticancer compounds at various stages of clinical testing, including carfilzomib, a next-generation proteasome inhibitor, that is currently being evaluated in multiple clinical trials for the treatment of patients with relapsed or relapsed/refractory multiple myeloma and solid tumors. ONX 0801, a targeted alpha-folate inhibitor, is currently in Phase 1 testing. For more information about Onyx, visit the company's website at www.onyx-pharm.com.

About NASDAQ OMX:

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with over 3,700 listed companies. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market, NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and exchange-traded funds. NASDAQ OMX technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com. *Please follow NASDAQ OMX on Facebook (http://www.facebook.com/pages/NASDAQ-OMX/108167527653) and Twitter (http://www.twitter.com/nasdaqomx).

NDAQA