CHESAPEAKE UTILITIES CORPORATION AND SUBSIDIARIES EXHIBIT 11 COMPUTATION OF PRIMARY AND FULLY DILUTED EARNINGS PER SHARE FOR THE QUARTER FOR THE NINE MONTHS ENDED SEPTEMBER 30, ENDED SEPTEMBER 30, ------------------------ ------------------------ 1996 1995 1996 1995 ---- ---- ---- ---- Primary earnings per share calculation: Weighted average number of shares assuming primary dilution 3,803,719 3,710,054 3,784,217 3,691,866 ======================== ======================== Consolidated net (loss)/income ($390,871) $988,122 $5,090,595 $5,410,639 ======================== ======================== Total primary earnings per share ($0.10) $0.27 $1.35 $1.47 ======================== ======================== Fully diluted earings per share calculation (1): Weighted average number of shares assuming primary dilution 3,803,719 3,710,054 3,784,217 3,691,866 Contingent shares 242,171 247,287 243,427 249,487 ------------------------ ------------------------ Weighted average number of shares assuming full dilution 4,045,890 3,957,341 4,027,644 3,941,353 ======================== ======================== Consolidated net (loss)/income ($390,871) $988,122 $5,090,595 $5,410,639 Interest on convertible debt 85,438 87,484 255,775 261,907 Less: Applicable federal income taxes 33,321 34,119 99,752 102,144 ------------------------ ------------------------ Adjusted net (loss)/income ($338,754) $1,041,487 $5,246,618 $5,570,402 ======================== ======================== Fully diluted earnings per share ($0.08) $0.26 $1.30 $1.41 ======================== ======================== (1) This calculation is submitted in accordance with Regulation S-K item 601(b)(11), although it is contrary to paragraph 40 of APB Opinion No. 15, because it produces an anti-dilutive result for the quarter ended September 30, 1996.