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EXCEL - IDEA: XBRL DOCUMENT - PHARMACYCLICS INCFinancial_Report.xls
EX-31.1 - PHARMACYCLICS INCex311to10q07380_03312012.htm
EX-31.2 - PHARMACYCLICS INCex312to10q07380_03312012.htm
EX-10.2 - PHARMACYCLICS INCex102to10q07380_03312012.htm
EX-10.1 - PHARMACYCLICS INCex101to10q07380_03312012.htm
10-Q - PHARMACYCLICS INCform10q07380_03312012.htm
Exhibit 32.1
 
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
 
In connection with the Quarterly Report of Pharmacyclics, Inc., a Delaware corporation (the “Company”), on Form 10-Q for the quarter ended March 31, 2012 as filed with the Securities and Exchange Commission (the “Report”), I, Robert W. Duggan, Chairman of the Board and Chief Executive Officer
of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350), that to my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
 
/s/ ROBERT W. DUGGAN
 
Robert W. Duggan
 
Chairman of the Board and Chief Executive Officer
 
May 10, 2012
 
 
 

CERTIFICATION PURSUANT TO
 18 U.S.C. SECTION 1350
 
In connection with the Quarterly Report of Pharmacyclics, Inc, a Delaware corporation (the “Company”), on Form 10-Q for the quarter ended March 31, 2012 as filed with the Securities and Exchange Commission (the “Report”), I, Rainer M. Erdtmann, Vice President, Finance and Administration and Secretary of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350), that to my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
/s/ RAINER M. ERDTMANN
 
Rainer M. Erdtmann
 
Vice President, Finance and Administration
and Secretary (Principal Accounting and Financial Officer)
 
May 10, 2012