Exhibit 31.1
CERTIFICATE OF THE CHIEF EXECUTIVE OFFICER
I, Paolo Pucci, certify that:
1. I have reviewed this Amendment No. 1 to Quarterly Report on Form 10-Q/A of ArQule, 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;
Date: January 14, 2011 |
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| /s/ PAOLO PUCCI |
| Paolo Pucci |
| Chief Executive Officer |
| (Principal Executive Officer) |