X0306 4 2023-02-15 0000885725 BOSTON SCIENTIFIC CORP BSX 0001484186 Fitzgerald Joseph Michael 300 BOSTON SCIENTIFIC WAY MARLBOROUGH MA 01752-1234 1 EVP & Group Pres, Cardiology Common Stock 2023-02-15 4 M 0 4615.0000 0.0000 A 214442.0000 D Common Stock 2023-02-15 4 F 0 2488.0000 47.2900 D 211954.0000 D Common Stock 68057.0000 I By 401(k) Common Stock 4344.0000 I By Child Deferred Stock Units 2023-02-15 4 M 0 4615.0000 0.0000 D 2023-02-15 Common Stock 4615.0000 0.0000 D Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. Balance reflects the most current data available with regard to share holdings in the Company's 401(k) Retirement Savings Plan. 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. Shares of common stock will be issued to the reporting person in five equal annual installments beginning on February 15, 2019, the first anniversary of the date of grant. /s/ Susan Thompson, Attorney-in-Fact 2023-02-16