Attached files
| file | filename |
|---|---|
| 10-K/A - PHARMACYCLICS INC | form10ka07380_06302010.htm |
| EX-32.1 - PHARMACYCLICS INC | ex321to10ka07380_06302010.htm |
| EX-31.2 - PHARMACYCLICS INC | ex312to10ka07380_06302010.htm |
Exhibit 31.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
CERTIFICATION
I, Robert W. Duggan, certify that:
1. I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of Pharmacyclics, Inc.;
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.
| /s/ Robert W. Duggan | |
|
Robert W. Duggan
Chairman of the Board and Chief Executive Officer (Principal Executive Officer)
|
October 26, 2010