X0304 4 2012-02-03 0 0000933974 BROOKS AUTOMATION INC BRKS 0001220160 HEADLEY MARTIN S C/O BROOKS AUTOMATION, INC. 15 ELIZABETH DRIVE CHELMSFORD MA 01824 0 1 0 0 EVP & Chief Financial Officer Common Stock 2012-02-03 4 F 0 3405 11.00 D 481967 D Common Stock 2012-02-04 4 F 0 3381 11.07 D 478586 D Forfeiture of shares by the reporting person to satisfy the reporting person's obligations with respect to withholding taxes in connection with the vesting on February 3, 2012 of 10,000 shares of restricted stock held by the reporting person. Forfeiture of shares by the reporting person to satisfy the reporting person's obligations with respect to withholding taxes in connection with the vesting on February 4, 2012 of 10,666 shares of restricted stock held by the reporting person. /s/ Jean M. Hutchison, attorney-in-fact for Martin S. Headley 2012-02-07