X0204 3 2011-09-06 0 0000885725 BOSTON SCIENTIFIC CORP BSX 0001529708 Nanavaty Maulik ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 SVP & President, Neuromodula Common Stock 45336.0000 D Deferred Stock Units 0.0000 2018-02-12 Common Stock 10784.0000 D Deferred Stock Units 0.0000 2017-02-13 Common Stock 1638.0000 D Deferred Stock Units 0.0000 2020-02-16 Common Stock 8461.0000 D Deferred Stock Units 0.0000 2019-02-24 Common Stock 6324.0000 D Deferred Stock Units 0.0000 2021-02-28 Common Stock 11348.0000 D Deferred Stock Units 0.0000 2017-10-30 Common Stock 9160.0000 D Stock Option (Right to Buy) 7.1600 2021-02-28 Common Stock 50466.0000 D Stock Option (Right to Buy) 7.4100 2020-02-16 Common Stock 48231.0000 D Stock Option (Right to Buy) 8.3000 2019-02-24 Common Stock 23458.0000 D Stock Option (Right to Buy) 12.5200 2018-02-12 Common Stock 25568.0000 D Stock Option (Right to Buy) 24.2600 2015-09-07 Common Stock 12500.0000 D Stock Option (Right to Buy) 24.4600 2016-01-03 Common Stock 9820.0000 D Includes shares acquired under the Boston Scientific Global Employee Stock Purchase Plan based upon the most current data available. The award vests in five equal installments beginning on February 12, 2009, the first anniversary of the date of grant. This amount represents the unvested portion of DSUs awarded on February 12, 2008 which will continue to vest in two installments on the anniversary of the grant date. Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. The award vests in five equal installments beginning on February 13, 2008, the first anniversary of the date of grant. This amount represents the unvested portion of DSUs awarded on February 13, 2007 which will continue to vest in one installment on the anniversary of the grant date. The award vests in five equal installments beginning on February 16, 2011, the first anniversary of the date of grant. This amount represents the unvested portion of DSUs awarded on February 16, 2010 which will continue to vest in four installments on the anniversary of the grant date. The award vests in five equal installments beginning on February 24, 2010, the first anniversary of the date of grant. This amount represents the unvested portion of DSUs awarded on February 24, 2009 which will continue to vest in three installments on the anniversary of the grant date. The award vests in five equal installments beginning on February 28, 2012, the first anniversary of the date of grant. The award vests in five equal installments beginning on October 30, 2008, the first anniversary of the date of grant. This amount represents the unvested portion of DSUs awarded on October 30, 2007 which will continue to vest in two installments on the anniversary of the grant date. Grant to the reporting person of an option to purchase 50,466 shares of common stock vesting in four annual increments beginning on February 28, 2012, the first anniversary of the grant. Grant to the reporting person of an option to purchase 48,231 shares of common stock vesting in four annual increments beginning on February 16, 2011, the first anniversary of the grant. Grant to the reporting person of an option to purchase 23,458 shares of common stock vesting in four annual increments beginning on February 24, 2010, the first anniversary of the grant. Grant to the reporting person of an option to purchase 25,568 shares of common stock vesting in four annual increments beginning on February 12, 2009, the first anniversary of the grant. Grant to the reporting person on September 7, 2005, of an option to purchase 12,500 shares of common stock. The grant is fully vested. Grant to the reporting person on January 3, 2006, of an option to purchase 9,820 shares of common stock. The grant is fully vested. /s/ Theresa R. Boni, Attorney-in-Fact 2011-09-16