Twin Disc, Inc., Appoints Harold M. Stratton II to Its Board of Directors

RACINE, Wisc.--Aug. 4, 2004--Twin Disc, Inc. , today announced that Harold M. Stratton II has been appointed as a director to replace Paul J. Powers who is retiring when his term expires in October, 2004. Mr. Stratton's appointment is effective immediately and he will stand for re-election at the annual shareholders' meeting in October.

Mr. Stratton, a graduate of St. Lawrence University and the University of Notre Dame, is Chairman and Chief Executive Officer of Strattec Security Corporation. While once a part of Briggs and Stratton Corporation, Strattec has been a separate company since 1995, having achieved sales of $197 million in 2003. Strattec Security designs, develops, manufactures and markets mechanical and electro-mechanical locks and related security/access control products for global automotive manufacturers.

Michael E. Batten, Chairman and Chief Executive Officer of Twin Disc, stated: "We are sorry to see Paul leave the Board, and we will miss him. Paul has advised our Company well throughout his 14 years of service as a director. We are pleased to have Harry join our Board as he brings a wealth of business experience and expertise to Twin Disc."

Twin Disc, Inc., designs, manufactures and internationally distributes heavy-duty off-highway power transmission equipment for the construction, industrial, government, marine, agricultural and energy and natural resources markets.

This press release may contain statements that are forward looking as defined by the Securities and Exchange Commission in its rules, regulations and releases. The Company intends that such forward-looking statements be subject to the safe harbors created thereby. All forward-looking statements are based on current expectations regarding important risk factors including those identified in the Company's most recent periodic report and other filings with the Securities and Exchange Commission. Accordingly, actual results may differ materially from those expressed in the forward-looking statements, and the making of such statements should not be regarded as a representation by the Company or any other person that the results expressed therein will be achieved.