X0303 4 2010-05-11 0000885725 BOSTON SCIENTIFIC CORP BSX 0000901430 ABELE JOHN E ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 Common Stock 2010-05-11 4 A 0 18997 0 A 13162718 D Common Stock 4416949 I By LLC Common Stock 400000 I By Spouse Common Stock 351098 I By Trust Forward Sale Contract (obligation to sell) 2010-05-11 4 J 0 490000 0 A 2012-05-11 2012-05-11 Common Stock 490000 490000 D Annual grant of restricted stock vesting upon the expiration of non-employee director's current term of office. Reflects a value of $125,000 divided by the closing price of common stock on the date of the grant. Common stock held by a limited liability company of which reporting person holds 100% membership interest. Common stock held by the reporting person's wife. The reporting person disclaims beneficial ownership of these shares. Common stock held by trust for the benefit of the reporting person's child of which the reporting person is a trustee. The reporting person disclaims beneficial ownership of these shares. On March 1, 2010, the reporting person entered into a Rule 10b5-1 trading plan with an unaffiliated commercial bank to execute a series of variable prepaid forward sale contracts. Under the contract reported on this form, the reporting person will deliver to the bank up to 490,000 shares of the Issuer's common stock depending on market prices at maturity on May 11, 2012. If the market price per share at maturity is equal to or less than the floor price of $6.5618 per share, the reporting person will deliver 490,000 shares to the bank. If the market price per share at maturity is greater than the floor price, the reporting person will deliver a fewer number of shares. In exchange, the bank is obligated to pay $2,234,620.99 to the reporting person two business days after the date of the contract. At the option of the reporting person, the contract may be settled at maturity by delivering cash in lieu of stock. The reporting person pledged 490,000 shares of the Issuer's common stock to secure its obligations under the contract and retains dividends and voting rights in the shares during the term of the pledge. /s/ Lawrence J. Knopf, Attorney-in-fact 2010-05-13