EXHIBIT 11 CONNECTICUT NATURAL GAS CORPORATION AND SUBSIDIARIES ----------------------------------------------------- COMPUTATION OF CONSOLIDATED PRIMARY AND FULLY DILUTED EARNINGS PER SHARE ------------------------------------------------------------------------- (Thousands of Dollars Except for Shares and Per Share Date) Fiscal Year Ended September 30, -------------------------------------------------------------------- 1998 1997 1996 1995 1994 ---------- ---------- ---------- ---------- ---------- Net income applicable to common stock: Income $ 15,196 $ 17,075 $ 18,995 $ 17,019 $ 17,703 Less-Preferred stock dividends 61 62 63 62 66 ---------- ---------- ---------- ---------- ---------- Net income applicable to common stock $ 15,135 $ 17,013 $ 18,932 $ 16,957 $ 17,637 ========== ========== ========== ========== ========== Weighted average number of shares of common stock outstanding during the year Basic 8,871,349 10,632,001 10,146,932 9,926,980 9,539,695 Restricted Stock Plan 51,616 51,758 28,612 32,389 38,104 ---------- ---------- ---------- ---------- ---------- Fully Diluted 8,922,965 10,683,759 10,175,544 9,959,369 9,577,799 ========== ========== ========== ========== ========== Net income per share of common stock - Basic $1.71 $1.60 $1.87 $1.71 $1.85 ===== ===== ===== ===== ===== Fully Diluted $1.70 $1.59 $1.86 $1.70 $1.84 ===== ===== ===== ===== =====