Exhibit 11 LUNAR CORPORATION AND SUBSIDIARIES Statement Regarding Computation of Earnings Per Share (Unaudited) Three months ended September 30, September 30, 1997 1996 ------------- ------------- Net income $2,012,993 $2,900,962 ============= ============= Weighted average shares outstanding 8,715,833 8,513,892 Stock options calculated according to the treasury stock method 405,776 558,403 Weighted average number of common and common-equivalent shares outstanding 9,121,609 9,072,295 ============= ============ Net income per common and common-equivalent shares $0.22 $0.32 ===== =====