EXHIBIT 15 Awareness Letter of Independent Accountants Securities and Exchange Commission Washington, D.C. RE: Twin Disc, Incorporated We are aware that our report dated October 11, 1995 on our review of interim financial information of Twin Disc, Incorporated for the three-month periods ended September 30, 1995 and 1994 and included in the Company's quarterly report on Form 1O-Q for the quarter then ended, is incorporated by reference in the registration statements of Twin Disc, Incorporated on Form S-8 (Twin Disc, Incorporated 1988 Incentive Stock Option Plan and Twin Disc, Incorporated 1988 Non-Qualified Stock Option Plan for Officers, Key Employees and Directors). Pursuant to Rule 436(c) under the Securities Act of 1933, this report should not be considered a part of the registration statement prepared or certified by us within the meaning of Sections 7 and 11 of that Act. /S/ - --------------------------------------- Coopers & Lybrand Milwaukee, Wisconsin October 24, 1995