X0303 4 2010-09-27 1 0001028318 MICRUS ENDOVASCULAR CORP MEND 0001325282 Stern Robert A 821 FOX LANE SAN JOSE CA 95131 0 1 0 0 President, COO & Secretary Common Stock 2010-09-27 4 D 0 10924 D 0 D Common Stock 2010-09-27 4 D 0 111 D 0 I By Daughter Stock Option (Right to Buy) 13.05 2010-09-27 4 D 0 6666 10.35 D 2014-06-24 Common Stock 6666 0 D Stock Option (Right to Buy) 11.42 2010-09-27 4 D 0 2606 11.98 D 2018-05-14 Common Stock 2606 0 D Stock Option (Right to Buy) 21.00 2010-09-27 4 D 0 4980 2.40 D 2017-02-27 Common Stock 4980 0 D Stock Option (Right to Buy) 10.05 2010-09-27 4 D 0 14846 13.35 D 2016-02-14 Common Stock 14846 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 23610 17.775 D 2015-02-23 Common Stock 23610 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 20369 17.775 D 2014-11-15 Common Stock 20369 0 D Stock Option (Right to Buy) 11.42 2010-09-27 4 D 0 22394 11.98 D 2018-05-14 Common Stock 22394 0 D Stock Option (Right to Buy) 21.00 2010-09-27 4 D 0 35020 2.40 D 2017-02-27 Common Stock 35020 0 D Stock Option (Right to Buy) 10.05 2010-09-27 4 D 0 57839 13.35 D 2016-02-14 Common Stock 57839 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 9722 17.775 D 2015-02-23 Common Stock 9722 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 1852 17.775 D 2014-11-15 Common Stock 1852 0 D Stock Option (Right to Buy) 1.1475 2010-09-27 4 D 0 40405 22.2525 D 2014-02-26 Common Stock 40405 0 D Stock Option (Right to Buy) 13.05 2010-09-27 4 D 0 2222 10.35 D 2014-06-24 Common Stock 2222 0 D Stock Option (Right to Buy) 17.51 2010-09-27 4 D 0 3712 5.89 D 2017-11-12 Common Stock 3712 0 D Stock Option (Right to Buy) 9.19 2010-09-27 4 D 0 11290 14.21 D 2019-05-26 Common Stock 11290 0 D Stock Option (Right to Buy) 9.19 2010-09-27 4 D 0 23710 14.21 D 2019-05-26 Common Stock 23710 0 D Stock Option (Right to Buy) 17.51 2010-09-27 4 D 0 21288 5.89 D 2017-11-12 Common Stock 21288 0 D Stock Option (Right to Buy) 1.1475 2010-09-27 4 D 0 33094 22.2525 D 2014-02-26 Common Stock 33094 0 D 3,333 shares of common stock were purchased under Micrus Endovascular Corporation's 2005 Employee Stock Purchase Plan as follows: 1,111 shares on Septmber 30, 2009, 1,111 shares on March 31, 2010 and 1,111 shares on September 23, 2010. Pursuant to the Agreement and Plan of Merger, dated as of July 11, 2010, between Micrus Endovascular Corporation, Johnson & Johnson and Cope Acquisition Corp., each share of common stock held by the reporting person was converted into the right to receive $23.40 in cash, without interest. Pursuant to the Agreement and Plan of Merger, dated as of July 11, 2010, between Micrus Endovascular Corporation, Johnson & Johnson and Cope Acquisition Corp., this stock option was converted into the right to receive an amount in cash per share subject to the stock option equal to the excess of the per share merger consideration of $23.40 over the per share exercise price of such stock option, without interest. /s/ Carolyn M. Bruguera, Attorney-in-Fact for Robert A. Stern 2010-09-28