Avalon to Release Fourth Quarter and Full Year 2005 Financial Results on March 7, 2006

GERMANTOWN, Md., Feb. 28  /PRNewswire-FirstCall/ -- Avalon Pharmaceuticals, Inc. (Nasdaq: AVRX; ArcaEx(R)) today announced that it is scheduled to release financial results for the fourth quarter and full year of 2005, on Tuesday, March 7, 2006 after the close of the U.S. financial markets.  The Company will host a conference call on Wednesday, March 8, 2006 at 8:00 a.m. Eastern Time to provide a company update and discuss the financial results for the quarter. Interested investors, analysts, members of the media and the general public can listen to the call live over the Internet from the investor section of the Company's website or by dialing the numbers listed below.

   Conference Call Details:
   ------------------------
   Dial-In:    866-202-3048 (U.S.)
               617-213-8843 (International)
               Passcode:  38984860

   Webcast:    Please go to http://www.avalonrx.com/, Investors, within
               15 minutes prior to the call and select the webcast link.
               The conference call replay will be available through April
               30, 2006 on Avalon's website (http://www.avalonrx.com/).

  About Avalon Pharmaceuticals


Avalon Pharmaceuticals is a biopharmaceutical company focused on the discovery and development of small molecule therapeutics. Avalon seeks to discover and develop novel therapeutics through the use of a comprehensive, innovative and proprietary suite of technologies based upon large-scale gene expression analysis which it calls AvalonRx(R). Avalon Pharmaceuticals was established in 1999 and is headquartered in Germantown, Maryland. 

First Call Analyst: 

FCMN Contact: 

DATASOURCE: Avalon Pharmaceuticals, Inc.



CONTACT:  Gary Lessing, Executive Vice President and CFO, Avalon

Pharmaceuticals, [phone], or fax, [phone], or





Web site:  http://www.avalonrx.com/ 

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