EXHIBIT 11 CARDIOTECH INTERNATIONAL, INC. & SUBSIDIARY STATEMENT REGARDING COMPUTATION OF LOSS PER COMMON SHARE FOR THE THREE MONTHS FOR THE SIX MONTHS ENDED SEPTEMBER 30, ENDED SEPTEMBER 30, 1997 1996 1997 1996 --------------- ---------------- --------------- ---------------- Net Loss $ (375,073) $ (376,784) $ (817,670) $ (901,295) =============== ================ =============== ================ Number of Shares Outstanding 4,272,916 4,244,116 4,272,916 2,831,491 at beginning of the period Effect of Shares issued in June 1996 to PolyMedica Corporation - - - 856,980 Effect of Shares issued in July 1996 for Services - 12,522 - 6,330 --------------- ---------------- --------------- ---------------- Weighted average number of shares outstanding 4,272,916 4,256,638 4,272,916 3,694,801 =============== ================ =============== ================ Loss per common share $ (0.09) $ (0.09) $ (0.19) $ (0.24) =============== ================ =============== ================ 1