X0306 4 2017-02-28 0000885725 BOSTON SCIENTIFIC CORP BSX 0001629277 Sorenson John Bradley 300 BOSTON SCIENTIFIC WAY MARLBOROUGH MA 01752-1234 1 SVP, Manuf & Sup Chn Common Stock 2017-02-28 4 M 0 5413.0000 0.0000 A 25749.0000 D Common Stock 2017-02-28 4 F 0 1819.0000 24.5500 D 23930.0000 D Deferred Stock Units 2017-02-28 4 A 0 6109.0000 0.0000 A 2022-02-28 Common Stock 6109.0000 6109.0000 D Deferred Stock Units 2017-02-28 4 M 0 5413.0000 0.0000 D 2018-02-28 2018-02-28 Common Stock 5413.0000 5413.0000 D Performance Share Units 2017-02-28 4 A 0 9097.0000 0.0000 A 2018-12-31 2018-12-31 Common Stock 9097.0000 9097.0000 D Stock Option (Right to Buy) 24.5500 2017-02-28 4 A 0 19762.0000 0.0000 A 2027-02-28 Common Stock 19762.0000 19762.0000 D Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. Shares of common stock will be issued to the reporting person in five equal annual installments beginning on February 28, 2018, 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, 2014, 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 22, 2016, the reporting person was awarded a target number of performance share units under the Company's 2016 Free Cash Flow Performance Share Program, the actual number of which to be earned by the reporting person based on the Company's 2016 adjusted free cash flow measured against its 2016 financial plan over the one-year performance period ending December 31, 2016 and subject to the completion of a three-year individual service period (inclusive of the performance period). On February 28, 2017, 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 upon the completion of the individual service period that ends on December 31, 2018. 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, 2018, the first anniversary of the date of grant. /s/ Vance R. Brown, Attorney-in-fact 2017-03-02