Exhibit 11 BONE CARE INTERNATIONAL, INC., AND SUBSIDIARY Statement Regarding Computation of Earnings Per Share (Unaudited) Three months ended September 30, September 30, 1997 1996 -------------- ------------- Net loss $ (1,008,478) $ (296,002) ============== ============= Weighted average number of common shares 8,722,382 8,707,382 ============== ============= Net loss per common share $ (0.12) $ (0.03) ============== =============