Exhibit 11.1 MILLER EXPLORATION COMPANY COMPUTATION OF EARNINGS PER COMMON SHARE Year Ended December 31, ---------------------- 2001 2000 -------- ------- (In thousands, except per share data) BASIC EARNINGS (LOSS) PER SHARE Net loss......................................... $(16,392) $ (977) Shares........................................... Weighted average shares outstanding............ 19,442 1,361 -------- ------- Basic earnings (loss) per share.................. $ (0.84) $ (0.07) ======== ======= DILUTED EARNINGS (LOSS) PER SHARE Net Loss......................................... $(16,392) $ (977) Shares........................................... Weighted average shares outstanding............ 19,442 13,361 -------- ------- Diluted earnings (loss) per share................ $ (0.84) $ (0.07) ======== =======