Pain Therapeutics Files Form 8-K Regarding Correspondence From Pfizer, Inc.

Pain Therapeutics Files Form 8-K Regarding Correspondence From Pfizer, Inc.

AUSTIN, Texas, May 10, 2013 (GLOBE NEWSWIRE) -- Pain Therapeutics, Inc.
(Nasdaq:PTIE) announced today that yesterday it received correspondence from
Pfizer, Inc. (NYSE:PFE).

This correspondence is available at: http://investor.paintrials.com/sec.cfm.

The company furnished the correspondence with the Securities and Exchange
Commission pursuant to the submission of a Current Report on Form 8-K.

About Pain Therapeutics, Inc.

Pain Therapeutics, Inc. is a biopharmaceutical company that develops novel
drugs.The FDA has not approved any of our drug candidates for commercial
sale. For more information, please visit www.paintrials.com.

CONTACT: For More Information Contact:
        
         Peter S. Roddy
         Vice President and Chief Financial Officer
         Pain Therapeutics, Inc.
         proddy@paintrials.com
         (512) 501-2450
 
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