EXHIBIT 31(a)
CERTIFICATION
I, John A. Meyer, certify that:
| 1. | I have reviewed this Annual Report on Form 10-K/A of Acxiom Corporation; 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. |
March 31, 2010
By: /s/ John A. Meyer
John A. Meyer
CEO & President