X0508 4 2025-02-11 0000885725 BOSTON SCIENTIFIC CORP BSX 0001868243 Brown Vance R 300 BOSTON SCIENTIFIC WAY MARLBOROUGH MA 01752-1234 1 SVP, GC and Corp. Secretary 0 Common Stock 2025-02-11 4 A 0 14708.0000 0.0000 A 53583.0000 D Common Stock 2025-02-11 4 F 0 6350.0000 105.9800 D 47233.0000 D On February 16, 2022, the reporting person was awarded a target number of performance share units under the Company's 2022 Total Shareholder Return Performance Share Program, with the actual number to be earned by the reporting person to be based on the Company's total shareholder return performance percentile relative to that of the other companies in the S&P 500 Health Care Index over the three-year performance cycle comprising the three-year period ended December 31, 2024 and subject to the completion of the concurrent three-year individual service period. On February 11, 2025, the number of performance share units as to which the performance criteria had been satisfied was determined and the individual service period was satisfied. /s/ Susan Thompson, Attorney-in-Fact 2025-02-13