Exhibit 15 Price Waterhouse LLP 160 Federal Street Boston, MA 02110 May 12, 1995 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Dear Sirs: We are aware that M/A-COM, Inc. has included our report dated April 27, 1995 (issued pursuant to the provisions of Statements on Auditing Standards Nos. 42 and 71) in the Prospectuses constituting part of its Registration Statements on Form S-3 (No. 2-99637) and Form S-8 (Nos. 2-17757; 2-25410; 2- 31632; 2-47195; 2-53255; 2-53257; 2-68734; 2-68809; 2-69195; 2-69202; 2- 69259; 2-70247; 2-71043; 2-72234; 2-72235; 2-76292; 2-81497; 2-81907; 2- 92614; 2-92616; 2-92617; 33-10913; 33-10916; 33-33372; 33-35845; 33-36846; 33- 44212). We are also aware of our responsibilities under the Securities Act of 1933. Very truly yours, PRICE WATERHOUSE LLP