FIRST SHENANGO BANCORP, INC EXHIBIT 11 Statement Regarding Computation of Primary Earnings Per Share Three Months and Year Ended December 31, 1996, 1995 and 1994 Three months ended December 31, Year Ended December 31, ------------------------------------- ------------------------------------ 1996 1995 1994 1996 1995 1994 ------------ ----------- --------- --------- ---------- ---------- Weighted average common shares outstanding 2,343,098 2,343,098 2,343,098 2,343,098 2,343,098 2,342,324 Net effect of dilutive stock options 79,841 79,050 47,575 77,318 68,793 49,991 Average unallocated ESOP shares (74,728) (86,156) (101,138) (74,863) (87,177) (101,138) Average MSBP shares in plan reserve (10,367) (9,012) (9,012) (9,938) (9,012) (7,888) Weighted average treasury shares purchases (162,442) (29,768) (4,185) (78,614) (25,223) (1,055) ------------ ---------- --------- --------- ----------- --------- Common stock equivalents 2,175,402 2,297,212 2,276,338 2,257,001 2,290,479 2,282,234 ============ ========== ========= ========= ========== ========== Net earnings $1,152,474 $ 804,013 $679,722 $3,009,997 $3,079,186 $2,273,123 ============ ========== ========= ========== ========== ========== Per share amount $.53 $.35 $.30 $1.33 $1.34 $1.00 ============ ========== ========= ========== ========== ========== Earnings per share have been computed on the treasury stock method in using average market price for the common stock equivalents (options). The Company accounts for the 112,412 shares acquired by the Employee Stock Ownership Plan ("ESOP") in accordance with Statement of Position 93-6; shares controlled by the ESOP are not considered in the weighted average shares outstanding until the shares are committed for allocation. 22