SANGAMO THERAPEUTICS, INC - FORM 10-K/A - EX-31.1 - RULE 13A-14(A) CERTIFICATION OF CHIEF EXECUTIVE OFFICER - April 21, 2010

Attached files

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10-K/A - FORM 10-K AMENDMENT NO.1 - SANGAMO THERAPEUTICS, INCd10ka.htm
EX-10.4 - PATENT LICENSE AGREEMENT BETWEEN SANGAMO AND MIT - SANGAMO THERAPEUTICS, INCdex104.htm
EX-10.5 - LICENSE AGREEMENT BETWEEN SANGAMO AND THE JOHNS HOPKINS UNIVERSITY - SANGAMO THERAPEUTICS, INCdex105.htm
EX-10.3 - SUBLICENSE AGREEMENT, BY AND BETWEEN SANGAMO AND JOHNSON & JOHNSON - SANGAMO THERAPEUTICS, INCdex103.htm
EX-31.2 - RULE 13A-14(A) CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER - SANGAMO THERAPEUTICS, INCdex312.htm

Exhibit 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATE

I, Edward O. Lanphier II, certify that:

 

  1. I have reviewed this annual report on Form 10-K/A of Sangamo BioSciences, Inc.; and

 

  2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

 

Date: April 21, 2010     By:  

/s/ Edward O. Lanphier II

      Edward O. Lanphier II
     

President, Chief Executive Officer and

Director (Principal Executive Officer)

 

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