Exhibit 11.1 INTERCARDIA, INC. STATEMENT RE COMPUTATION OF NET LOSS PER SHARE (Dollars in thousands, except per share data) Year Ended September 30, ------------------------------------------ 1998 1997 1996 ------------ ------------ ------------ Net loss per Consolidated Statements of Operations $ (19,146) $ (17,803) $ (3,560) ============ ============ ============ Weighted average number of common shares and common share equivalents outstanding - basic and diluted 7,113,054 6,981,708 6,062,498 ============ ============ ============ Net loss per common share - basic $ (2.69) $ (2.55) $ (0.59) ============ ============ ============ Net loss per common share - diluted $ (2.69) $ (2.55) $ (0.59) ============ ============ ============