Exhibit 31a

CERTIFICATION

I, Michael E. Batten, certify that:

1. I have reviewed this quarterly report on Form 10-Q/A, Amendment No. 1, of Twin Disc, Incorporated;

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; and

Date:  May 10, 2012	/s/ MICHAEL E. BATTEN
	Michael E. Batten
	Chairman and Chief Executive Officer