X0306 4 2017-01-01 0000885725 BOSTON SCIENTIFIC CORP BSX 0001529708 Nanavaty Maulik 300 BOSTON SCIENTIFIC WAY MARLBOROUGH MA 01752-1234 1 SVP & Pres, Neuromodulation Common Stock 2017-01-01 4 M 0 13619.0000 0.0000 A 189746.0000 D Common Stock 2017-01-01 4 F 0 5446.0000 21.6300 D 184300.0000 D Performance Share Units 2017-01-01 4 M 0 13619.0000 0.0000 D 2016-12-31 2016-12-31 Common Stock 13619.0000 0.0000 D On February 24, 2014, the reporting person was awarded a target number of performance share units under the Company's 2014 Free Cash Flow Performance Share Program, the actual number of which to be earned by the reporting person based on the Company's 2014 adjusted free cash flow measured against its 2014 financial plan over the one-year performance period ending December 31, 2014 and subject to the completion of a three-year individual service period (inclusive of the performance period). On February 23, 2015, 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 vested in whole upon the completion of the individual service period that ended on December 31, 2016. Includes shares acquired under the Boston Scientific Global Employee Stock Purchase Plan based upon the most current data available. Each performance share unit represents the Company's commitment to issue one share of Boston Scientific common stock. /s/ Vance R. Brown, Attorney-in-fact 2017-01-04