EXHIBIT 11 BONE CARE INTERNATIONAL, INC., AND SUBSIDIARY Statement Regarding Computation of Loss Per Share (Unaudited) Three months ended Nine Months ended ------------------ ----------------- March 31, March 31, March 31, March 31, 1999 1998 1999 1998 ---------- ---------- --------- ---------- Net loss $(1,701,800) $(1,247,380) $(4,564,069)$(3,364,976) =========== =========== =========== =========== Weighted average number of common shares 10,149,869 8,759,724 10,024,394 8,734,845 =========== =========== =========== =========== Net loss per common share - basic $ (0.17) $ (0.14) $ (0.46)$ (0.39) ====== ====== ====== ======