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10-K/A - PHARMACYCLICS INCform10ka107380_06302011.htm
EX-31.1 - PHARMACYCLICS INCex311to10ka107380_06302011.htm
EX-32.1 - PHARMACYCLICS INCex321to10ka107380_06302011.htm
 
Exhibit 31.2
 
CERTIFICATION OF CHIEF FINANCIAL OFFICER
 
 
I, Rainer M. Erdtmann, certify that:
 
1.           I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of Pharmacyclics, Inc.; and
 
2.           Based on my knowledge, this 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: October 28, 2011
 
 
By:    /s/ Rainer M. Erdtmann
Rainer M. Erdtmann
Vice President, Finance and Administration and Secretary
(Principal Financial and Accounting Officer)