EXHIBIT 11 ARTESIAN RESOURCES CORPORATION COMPUTATION OF NET INCOME PER COMMON SHARE 2004 2003 2002 ------------ ------------ ------------ Earnings Income Applicable to Common Stock Shares, $ 4,400,193 $ 3,845,323 $ 4,125,431 Class A Non-Voting and Class B Common Stock Weighted average number of shares outstanding Basic 3,936,066 3,880,159 3,533,460 Diluted 4,065,651 3,992,519 3,612,588 Net Income per Common Share, Class A Non-Voting and Class B Common Stock Basic $ 1.12 $ 0.99 $ 1.17 Diluted $ 1.08 $ 0.96 $ 1.14