EXHIBIT 11.1 LYCOS, INC. Computation of Shares Used in Computing Basic and Diluted Net Income (Loss) Per Share (Unaudited) (In thousands, except per share amounts) Three Months Ended Nine Months Ended April 30, April 30, --------------------------------- ----------------------------- 2000 1999 2000 1999 ----------------- --------------- -------------- ------------- Common stock, beginning of period....... 108,864 89,587 98,506 79,810 Weighted average common shares issued during the period, net........ 1,085 223 5,587 8,855 Common stock options and warrants using the treasury stock method............. 6,295 -- 5,665 -- ----------------- ----------------------------------------------- 116,244 89,810 109,758 88,665 ================= =============================================== Net income (loss).......................... $ 122,410 $ (13,229) $ 60,495 $(30,668) ================= =============================================== Basic net income (loss) per share.......... $ 1.11 $ (0.15) $ 0.58 $ (0.35) ================= =============================================== Diluted net income (loss) per share........ $ 1.05 $ (0.15) $ 0.55 $ (0.35) ================= =============================================== 20