X0202 4 2006-10-30 0 0000859737 HOLOGIC INC HOLX 0000902336 STEIN JAY A 35 CROSBY DRIVE BEDFORD MA 01730 1 1 0 0 Chief Technology Officer Common Stock 2006-10-30 4 A 0 2070 0 A 333764 D These shares represent restricted stock units (RSUs) awarded to the Reporting person under the Hologic, Inc. Second Amended and Restated 1999 Stock Incentive Plan and are held in the Hologic, Inc. Supplemental Executive Retirement Plan. The RSUs vest on the earlier to occur of (i) October 30, 2009; (ii) the death or disability of the Reporting Peron; or (iii) a Change of Control. Once vested, each RSU entitles the Reporting Person to one share of the Company, par value $0.01 per share and notional dividend equivalents, if any. Jay Stein 2006-11-01