X0303 4 2010-02-12 1 0000885725 BOSTON SCIENTIFIC CORP BSX 0001209527 PAUL DONOVAN ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 SVP, Corporate Communications Common Stock 2010-02-12 4 M 0 6413 0 A 32415 D Common Stock 2010-02-12 4 M 0 3993 0 A 36408 D Common Stock 2010-02-12 4 F 0 1268 7.39 D 35140 D Common Stock 2010-02-12 4 F 0 2037 7.39 D 33103 D Deferred Stock Units 0 2010-02-12 4 M 0 3993 0 D Common Stock 3993 38795 D Deferred Stock Units 0 2010-02-12 4 M 0 6413 0 D Common Stock 6413 32382 D Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. The award vests in five equal annual installments commencing on February 12, 2009, the first anniversary of the date of grant. Reflects multiple DSU awards with independent vesting schedules. These retention incentive awards vest in two equal annual installments commencing on February 12, 2009, the first anniversary of the date of grant. /s/ Lawrence J. Knopf, Attorney-in-fact 2010-02-17