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FORM AW APPLICATION FOR WITHDRAWAL
BioTime, Inc.
6121 Hollis Street
Emeryville, California 94608
November 2, 2005
Securities and Exchange Commission
450 5th Street, N.W.
Washington, D.C. 20549-0306
     
     RE:
  BioTime, Inc.
Amendment No. 1 to Registration Statement on Form S-2
File No. 333-128083
Request for Withdrawal
Ladies/Gentlemen:
     BioTime, Inc. hereby applies for the withdrawal of Amendment No. 1 to Registration Statement on Form S-2, File No. 333-128083 filed on October 24, 2005. We request that the withdrawal of Amendment No. 1 be effective upon this filing. We understand that the Registration Statement had been declared effective as of October 17, 2005. We will promptly re-file the amendment as Post-Effective Amendment No. 1.
     Should you have any comments please contact our legal counsel, Richard S. Soroko at (415) 927-5200.
         
  Very truly yours,


BioTime, Inc.
 
 
  By:   s/Judith Segall    
    Judith Segall, Vice President,   
    Secretary and Member, Office of the President*   
 
         
     
  By:   s/Hal Sternberg    
    Hal Sternberg, Vice President   
    and Member, Office of the President*   
 
         
     
  By:   s/Harold Waitz    
    Harold Waitz, Vice President   
    and Member, Office of the President*   
 
 
 
  By:   s/Steven Seinberg    
    Steven Seinberg,   
    Chief Financial Officer   
 
     *The Office of the President is composed of three executive officers of the registrant who collectively exercise the powers of the Chief Executive Officer.

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