Exhibit 31.1
CERTIFICATION
OF
CHIEF EXECUTIVE OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, James G. Carlson, Chairman, Chief Executive Officer and President of AMERIGROUP Corporation, certify that:
| 1. | I have reviewed this Amendment No. 1 to Quarterly Report on Form 10-Q/A for the three and six month period ended June 30, 2012 of AMERIGROUP Corporation; |
| 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 periods covered by this report. |
| Date: August 3, 2012 | /s/ JAMES G. CARLSON | |
| James G. Carlson | ||
| Chairman, Chief Executive Officer and President | ||
