X0202 4 2007-09-25 1 0000766430 AMERICAN TECHNICAL CERAMICS CORP amk 0001179363 SPENCE CHESTER E C/O AMERICAN TECHNICAL CERAMICS 1 NORDEN LANE HUNTINGTON STATION NY 11746 1 0 0 0 Common Stock 2007-09-25 4 D 0 11500 24.75 D 0 D Options 5 2007-09-25 4 D 0 5000 19.75 D 2012-06-27 Common Stock 5000 0 D Options 5.35 2007-09-25 4 D 0 5000 19.4 D 2013-06-29 Common Stock 5000 0 D Options 8.79 2007-09-25 4 D 0 5000 15.96 D 2014-06-30 Common Stock 5000 0 D Options 10.1 2007-09-25 4 D 0 5000 14.65 D 2015-06-29 Common Stock 5000 0 D Options 13.2 2007-09-25 4 D 0 5000 11.55 D 2016-06-29 Common Stock 5000 0 D 1 The dispositions reported in this Form 4 were in connection with the merger of the issuer with Admiral Byrd Acquisition Sub, Inc., a wholly-owned subsidiary of AVX Corporation, pursuant to that certain Agreement and Plan of Merger, dated as of June 15, 2007, by and among the issuer, AVX Corporation and Admiral Byrd Acquisition Sub, Inc. (the "Merger"), in exchange for the right to receive a cash payment equal to $24.75 per share. These options, which became fully vested on June 28, 2006 were converted in connection with the Merger in exchange for the right to receive a cash payment of $98,750, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option. These options, which became fully vested on June 30, 2007 were converted in connection with the Merger in exchange for the right to receive a cash payment of $97,000, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option. These options, which provided for vesting in four equal annual installments commencing on July 1, 2004, were accelerated and became fully vested, and were converted in connection with the Merger in exchange for the right to receive a cash payment of $79,800, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option. These options, which provided for vesting in four equal annual installments commencing on June 30, 2005, were accelerated and became fully vested, and were converted in connection with the Merger in exchange for the right to receive a cash payment of $73,250, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option. These options, which provided for vesting in four equal annual installments commencing on June 30, 2006, were accelerated and became fully vested, and were converted in connection with the Merger in exchange for the right to receive a cash payment of $57,750, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option. /S/CHESTER SPENCE 2007-09-25