X0202 4 2006-09-21 0 0001172052 SAFETY INSURANCE GROUP INC SAFT 0001214342 LORANGER DANIEL D 20 CUSTOM HOUSE STREET BOSTON MA 02110 0 1 0 0 VP - MIS & CIO Common Stock 2006-09-21 2006-09-21 4 M 0 3877 13.03 A 287661 D Common Stock 2006-09-21 2006-09-21 4 S 0 3877 46.8257 D 283784 D Non-Qualified Stock Options (right to buy) 13.03 2006-09-21 2006-09-21 4 M 0 3877 0 D 2006-03-31 2013-03-31 Common Stock 3877 0 D The transactions reported on this Form 4 were made pursuant to a written trading plan adopted in accordance with Rule 10b5-1 on 3/29/06. The reporting person was granted options to purchase 58,175 shares of common stock on March 31, 2003. These options vested in three annual installments of 30% on March 31, 2004, 30% on March 31, 2005 and the remaining 40% on March 31, 2006. Options have been previously exercised and reported by the reporting person with respect to 54,298 shares. /s/Daniel D. Loranger 2006-09-25