SIGNATURES

     Pursuant to the requirements of the Securities Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: November 12, 2004	CYTOKINETICS, INCORPORATED (Registrant)
	/s/ James H. Sabry
	James H. Sabry President, Chief Executive Officer and Director (principal executive officer)

	/s/ Sharon Surrey-Barbari
	Sharon Surrey-Barbari Senior Vice President, Finance and Chief Financial Officer (principal financial officer)

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