X0303 4 2009-10-27 0000885725 BOSTON SCIENTIFIC CORP BSX 0000901430 ABELE JOHN E ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 Common Stock 2009-10-27 4 S 0 50000 8.4436 D 4287749 I By LLC Common Stock 2009-10-27 4 S 0 50000 8.4296 D 4237749 I By LLC Common Stock 18234781 D Common Stock 400000 I By Spouse Common Stock 351098 I By Trust Forward Sale Contract (obligation to sell) 0 2009-10-27 4 J 0 50000 0 A 2010-10-27 2010-10-27 Common Stock 50000 50000 D The weighted average sales price is reported as stock sales were aggregated for reporting purposes. The per share transaction price ranged from $8.58 to $8.36. The reporting person will provide, upon request from an appropriate party, the per share sales volumes and prices. Shares held by a limited liability company of which the reporting person holds 100% membership interest. The weighted average sales price is reported as stock sales were aggregated for reporting purposes. The per share transaction price ranged from $8.51 to $8.40. The reporting person will provide, upon request from an appropriate party, the per share sales volumes and prices. 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. Under the variable prepaid forward sale contract reported on this form, the reporting person will deliver to an unaffiliated commercial bank up to 50,000 shares of the Issuer's common stock depending on market prices at maturity on October 27, 2010. If the market price per share at maturity is equal to or less than the floor price of $8.4193 per share, the reporting person will deliver 50,000 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 but not less than 35,700 shares. In exchange, the bank is obligated to pay $357,820.25 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 50,000 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 2009-10-29