-18- Exhibit 11 American Safety Insurance Group, Ltd. and subsidiaries Computation of Earnings Per Share Three Months Ended Six Months Ended -------------------- ----------------- June 30 June 30 June 30 June 30 1998 1999 1998 1999 ------ ------ ------ ----- Basic: Earnings Available to Common Shareholders................................. $1,581,827 $1,441,397 $2,605,560 $3,160,575 ========== ========== ========== ========== Weighted Average Common Shares Outstanding.................................. 6,044,914 6,064,010 5,241,784 6,070,823 Basic Earnings Per Common Shares ...................................... $ .26 $ .24 $ .50 $ .52 ========== ========== ========== ========== Diluted: Earnings Available to Common Shareholders................................. $1,581,827 $1,441,397 $2,605,560 $3,160,575 ========== ========== ========== ========== Weighted Average Common Shares Outstanding.................................. 6,044,914 6,064,010 5,241,784 6,070,823 Weighted Average Common Shares Equivalents Associated with Options...................................... 130,236 23,799 105,617 29,118 Total Weighted Average Common Shares....................................... 6,175,150 6,087,809 5,347,401 6,099,941 ========== ========= ========= ========= Diluted Earnings per Common Shares....................................... $ .26 $ .24 $ .49 $ .52 ========== ========== ========== ==========