X0303 4 2010-09-27 1 0001028318 MICRUS ENDOVASCULAR CORP MEND 0001325284 Ruppel Edward F Jr 821 FOX LANE SAN JOSE CA 95131 0 1 0 0 SVP and Corp. Compliance Ofcr. Common Stock 2010-09-27 4 D 0 3744 D 0 D Stock Option (Right to Buy) 9.61 2010-09-27 4 D 0 3646 13.79 D 2019-02-05 Common Stock 3646 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 8082 17.775 D 2014-11-15 Common Stock 8082 0 D Stock Option (Right to Buy) 11.42 2010-09-27 4 D 0 6175 11.98 D 2018-05-14 Common Stock 6175 0 D Stock Option (Right to Buy) 11.42 2010-09-27 4 D 0 13825 11.98 D 2018-05-14 Common Stock 13825 0 D Stock Option (Right to Buy) 12.06 2010-09-27 4 D 0 11829 11.34 D 2016-06-30 Common Stock 11829 0 D Stock Option (Right to Buy) 12.06 2010-09-27 4 D 0 13171 11.34 D 2016-06-30 Common Stock 13171 0 D Stock Option (Right to Buy) 13.05 2010-09-27 4 D 0 22222 10.35 D 2014-06-24 Common Stock 22222 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 7469 17.775 D 2015-02-23 Common Stock 7469 0 D Stock Option (Right to Buy) 9.61 2010-09-27 4 D 0 8854 13.79 D 2019-02-05 Common Stock 8854 0 D Stock Option (Right to Buy) 16.77 2010-09-27 4 D 0 20243 6.63 D 2020-01-14 Common Stock 20243 0 D Stock Option (Right to Buy) 9.19 2010-09-27 4 D 0 17372 14.21 D 2019-05-26 Common Stock 17372 0 D Stock Option (Right to Buy) 16.77 2010-09-27 4 D 0 4757 6.63 D 2020-01-14 Common Stock 4757 0 D Stock Option (Right to Buy) 9.19 2010-09-27 4 D 0 7628 14.21 D 2019-05-26 Common Stock 7628 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 10308 17.775 D 2015-02-23 Common Stock 10308 0 D Stock Option (Right to Buy) 5.625 2010-09-27 4 D 0 3028 17.775 D 2014-11-15 Common Stock 3028 0 D 808 shares of common stock were purchased under Micrus Endovascular Corporation's 2005 Employee Stock Purchase Plan as follows: 565 shares on March 31, 2010 and 243 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 Edward F. Ruppel, Jr. 2010-09-28