X0303 4 2009-05-18 0000885725 BOSTON SCIENTIFIC CORP BSX 0001209527 PAUL DONOVAN ONE BOSTON SCIENTIFIC PLACE NATICK MA 01760-1537 1 SVP, Corporate Comm Common Stock 2009-05-18 4 M 0 2200 0 A 21241 D Common Stock 2009-05-18 4 F 0 699 8.83 D 20542 D Deferred Stock Units 0 2009-05-18 4 M 0 2200 0 D Common Stock 2200 50788 D Each deferred stock unit represents the Company's commitment to issue one share of Boston Scientific common stock. Shares of common stock will be issued to the reporting person in four equal annual installments beginning on May 17, 2008, the second anniversary of the award, provided the reporting person continues to be an employee of Boston Scientific or in limited other circumstances. Reflects multiple DSU awards with independent vesting schedules. /s/ Lawrence J. Knopf, Attorney-in-fact 2009-05-20