1 EXHIBIT 11 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES STATEMENT OF NET INCOME PER SHARE ($ in thousands, except per share) (Unaudited) THREE MONTHS ENDED NINE MONTHS ENDED MARCH 31, MARCH 31, ------------------ ----------------- 1996 1995 1996 1995 -------- ------- ------- ------- PRIMARY INCOME PER SHARE Computation for statement of operations Net income per statement of operations $ 7,623 $ 2,305 $15,997 $ 7,889 ======= ======= ======= ======= Common shares outstanding 17,843 17,493 17,843 17,493 Adjustment to weighted average common shares outstanding: Add dilutive effect of: Employee Options 1,647 1,149 1,485 950 ------- ------- ------- ------- Weighted average common shares and common equivalent shares outstanding, as adjusted 19,490 18,642 19,328 18,443 ======= ======= ======= ======= Net income per common share, as adjusted $ .39 $ .12 $ .83 $ .43 ======= ======= ======= ======= FULLY DILUTED INCOME PER SHARE Net income applicable to common stock as shown in primary computation above $ 7,623 $ 2,305 $15,997 $ 7,889 ======= ======= ======= ======= Common shares outstanding 17,843 17,493 17,843 17,493 Adjustment to weighted average common shares outstanding: Add fully dilutive effect of: Employee Options 1,704 1,353 1,721 1,236 ------- ------- ------- ------- Weighted average common shares and common equivalent shares outstanding, as adjusted 19,547 18,846 19,564 18,729 ======= ======= ======= ======= Fully diluted net income per common share $ .39 $ .12 $ .82 $ .42 ======= ======= ======= ======= _________ (A) The calculations for the Nine Months Ended March 31, 1996 and 1995, are submitted in accordance with Regulation S-K Item 601(b)(11).