EXHIBIT 11 AMERICAN BUSINESS INFORMATION, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the three and six months ended June 30, 1996 and 1995 (In thousands, except per share amounts) Three Months Ended Six Months Ended June 30 June 30 ------------------ ------------------- 1997 1996 1997 1996 ---- ---- ---- ---- Average shares outstanding................................. 24,339 20,801 23,776 20,792 Net additional common equivalent shares.................... 115 202 115 202 ------- ------- -------- ------- Average number of common and common equivalent shares outstanding....................................... 24,454 21,003 23,891 20,994 ======= ======= ======== ======= Net income for per share computation....................... $ 2,910 $ 4,376 $(44,286) $ 9,085 ======= ======= ======== ======= Net income per average common and common equivalent share outstanding............................ $ 0.12 $ 0.21 $ (1.85) $ 0.43 ======= ======= ======== =======