1 EXHIBIT 11 AMERICAN BUSINESS INFORMATION, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the three and nine months ended September 30, 1997 and 1996 (In thousands, except per share amounts) Three Months Ended Nine Months Ended September 30, September 30, -------------------- -------------------- 1997 1996 1997 1996 -------- -------- -------- -------- Average shares outstanding ....................... 48,774 41,680 47,964 41,616 Net additional common equivalent shares .......... 754 -- -- -- -------- -------- -------- -------- Average number of common and common equivalent shares outstanding ............................. 49,528 41,680 47,964 41,616 ======== ======== ======== ======== Net income for per share computation ............. $ 759 $(10,608) $(44,286) $ (1,523) ======== ======== ======== ======== Net income per average common and common equivalent share outstanding .................. $ 0.02 $ (0.25) $ (0.91) $ (0.04) ======== ======== ======== ========