BOSTON SCIENTIFIC CORP

On November 14, 2024, Ellen Zane, anindependent member of our Board of Directors, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Zane’s plan covers the sale of 13,586 shares of our common stock. Transactions under Ms. Zane’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Zane’s plan will terminate on the earlier of February 24, 2026 or the date all shares subject to the plan have been sold.

On November 15, 2024, Michael F. Mahoney, our Chairman and Chief Executive Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mahoney’s plan covers the sale of 493,328 shares of our common stock, including 316,856 shares to be acquired upon exercise of stock options. Transactions under Mr. Mahoney’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mahoney’s plan will terminate on the earlier of June 6, 2025, or the date all shares subject to the plan have been sold.

On November 21, 2024, Vance R. Brown, our Senior Vice President, General Counsel and Corporate Secretary, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brown’s plan covers the sale of 19,304 shares of our common stock. Transactions under Mr. Brown’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Brown’s plan will terminate on the earlier of May 30, 2025 or the date all shares subject to the plan have been sold.

On November 21, 2024, Jeffrey B. Mirviss, our Senior Vice President and President, Peripheral Interventions, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mirviss’ plan covers the sale of up to 11,107 shares of our common stock, including up to 8,419 shares to be acquired upon vesting of restricted share units. Transactions under Mr. Mirviss’ plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mirviss’ plan will terminate on the earlier of May 21, 2025 or the date all shares subject to the plan have been sold.

On November 29, 2024, Emily M. Woodworth, our Senior Vice President, Global Controller and Chief Accounting Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Woodworth’s plan covers the sale of up to 18,973 shares of our common stock, including up to 3,281 shares to be acquired upon vesting of restricted share units and 13,167 shares to be acquired upon the exercise of stock options. Transactions under Ms. Woodworth’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Woodworth’s plan will terminate on the earlier of August 29, 2025 or the date all shares subject to the plan have been sold.