X0306 4 2013-02-28 0000885725 BOSTON SCIENTIFIC CORP BSX 0001529708 Nanavaty Maulik ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 SVP & Pres, Neuromodulation Common Stock 2013-02-28 4 M 0 2269.0000 0.0000 A 77121.0000 D Common Stock 2013-02-28 4 F 0 833.0000 7.3900 D 76288.0000 D Deferred Stock Units 2013-02-28 4 A 0 16914.0000 0.0000 A 2018-02-28 Common Stock 16914.0000 16914.0000 D Deferred Stock Units 0.0000 2013-02-28 4 M 0 2269.0000 0.0000 D 2021-02-28 Common Stock 2269.0000 6809.0000 D Performance Share Units 2013-02-28 4 A 0 15525.0000 0.0000 A 2014-12-31 2014-12-31 Common Stock 15525.0000 15525.0000 D Stock Option (Right to Buy) 7.3900 2013-02-28 4 A 0 44035.0000 0.0000 A 2023-02-28 Common Stock 44035.0000 44035.0000 D Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. Includes shares acquired under the Boston Scientific Global Employee Stock Purchase Plan based upon the most current data available. Shares of common stock will be issued to the reporting person in five equal annual installments beginning on February 28, 2014, the first anniversary of the date of grant. Shares of common stock will be issued to the reporting person in five equal annual installments beginning on February 28, 2012, the first anniversary of the date of grant. Each performance share unit represents the Company's commitment to issue one share of Boston Scientific common stock. On February 27, 2012, the reporting person was awarded a target number of performance share units under the Company's 2012 Free Cash Flow Performance Share Program, the actual number of which to be earned by the reporting person based on the Company's 2012 adjusted free cash flow measured against its 2012 financial plan over the one-year performance period ending December 31, 2012 and subject to the completion of a three-year individual service period (inclusive of the performance period). On February 28, 2013, the number of the target performance share units as to which the performance criteria had been satisfied was determined. The performance share units so determined will vest in whole on December 31, 2014 upon the completion of the individual service period. Grant to the reporting person of an option to purchase a specified number of shares of common stock vesting in four equal annual installments beginning on February 28, 2014, the first anniversary of the date of grant. /s/ Conor Kilroy, Attorney-in-Fact 2013-03-04