CHESAPEAKE UTILITIES CORPORATION AND SUBSIDIARIES EXHIBIT 11 COMPUTATION OF PRIMARY AND FULLY DILUTED EARNINGS PER SHARE FOR THE QUARTER FOR THE SIX MONTHS ENDED JUNE 30, (1) ENDED JUNE 30, ------------------------ ------------------------ 1996 1995 1996 1995 ---- ---- ---- ---- Primary earnings per share calculation: Weighted average number of shares assuming primary dilution 3,790,533 3,693,016 3,774,356 3,682,586 ======================== ======================== Consolidated net income $832,457 $764,085 $5,481,466 $4,422,516 ======================== ======================== Total primary earnings per share $0.22 $0.21 $1.45 $1.20 ======================== ======================== Fully diluted earings per share calculation (1): Weighted average number of shares assuming primary dilution 3,790,533 3,693,016 3,774,356 3,682,586 Contingent shares 242,761 248,245 245,408 250,607 ------------------------ ------------------------ Weighted average number of shares assuming full dilution 4,033,294 3,941,261 4,019,764 3,933,193 ======================== ======================== Consolidated net income $832,457 $764,085 $5,481,466 $4,422,516 Interest on convertible debt 84,948 86,867 170,803 174,423 Less: Applicable federal income taxes 33,130 33,878 66,613 68,025 ------------------------ ------------------------ Adjusted net income $884,275 $817,074 $5,585,656 $4,528,914 ======================== ======================== Fully diluted earnings per share $0.22 $0.21 $1.39 $1.15 ======================== ======================== (1) This calculation is submitted in accordance with Regulation S-K item 601(b)(11).