EXHIBIT 11.1 PREMIERE TECHNOLOGIES, INC. AND SUBSIDIARIES STATEMENT RE COMPUTATION OF NET INCOME (LOSS) PER SHARE FOR THE THREE MONTHS ENDED MARCH 31, 1998 AND 1997 (IN THOUSANDS, EXCEPT PER SHARE DATA) FOR THE THREE MONTHS ENDED MARCH 31 --------------------------------------------------------------- 1998 1997 ------------------------------- ----------------------------- NET WEIGHTED WEIGHTED INCOME AVERAGE NET LOSS NET AVERAGE PER SHARE NET LOSS SHARES PER SHARE INCOME SHARES AMOUNT -------- -------- --------- ------ -------- --------- (IN THOUSANDS, EXCEPT PER SHARE DATA) Basic net income (loss)......... $(10,088) 44,986 $ (0.22) $10,267 $42,323 $0.24 ======== ====== ======= ====== ====== ===== Dilutive Securities Stock options................... -- -- -- -- 3,998 -- -------- ------ ------- ------ ------ ----- Diluted net income (loss)....... $(10,088) 44,986 $ (0.22) $10,267 46,321 $0.22 ======== ====== ======= ====== ====== =====