X0508 4 2025-06-04 0000885725 BOSTON SCIENTIFIC CORP BSX 0001484186 Fitzgerald Joseph Michael 300 BOSTON SCIENTIFIC WAY MARLBOROUGH MA 01752-1234 1 EVP & Group Pres, Cardiology 1 Common Stock 2025-06-04 4 M 0 56372.0000 26.1500 A 234714.0000 D Common Stock 2025-06-04 4 S 0 56372.0000 102.8814 D 178342.0000 D Common Stock 5234.0000 I By Child Stock Option (Right to Buy) 26.1500 2025-06-04 4 M 0 56372.0000 0.0000 D 2027-12-01 Common Stock 56372.0000 250000.0000 D The transactions reported in this Form 4 were effected pursuant to a pre-established Rule 10b5-1 trading plan adopted on February 27, 2025. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $102.46 to $103.42, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The reporting person disclaims beneficial ownership of the shares held by his child, and this report should not be deemed an admission that the reporting person is the beneficial owner of his child's shares for purposes of Section 16 or for any other purpose. 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 December 1, 2018, the first anniversary of the date of grant. /s/ Susan Thompson, Attorney-in-Fact 2025-06-04