Exhibit 11.1 PREMIERE TECHNOLOGIES, INC. AND SUBSIDIARIES STATEMENT RE COMPUTATION OF NET INCOME (LOSS) PER SHARE FOR THE YEAR ENDED DECEMBER 31, 1998, 1997 AND 1996 (IN THOUSANDS) For the Years Ended December 31 ----------------------------------------------------------------------------------- 1998 1997 1996 ---------------------------- ---------------------------- ------------------------- Weighted Weighted Net Weighted Net Average Net Loss Average Income Net Average Income Net Loss Shares Per Share Net Loss Shares Per Share Income Shares Per Share -------- -------- --------- -------- -------- --------- ------ -------- --------- (in thousands, except per share data) Net income (loss)....... $(74,206) -- $ -- $(25,375) -- $ -- $3,458 -- $ -- Less: Preferred stock dividends.............. -- -- -- -- -- -- 29 -- -- -------- ------ ------ -------- ------ ------ ------ ------ ----- Basic net income (loss)................. $(74,206) 44,325 $(1.67) $(25,375) 32,443 $(0.78) $3,429 27,670 $0.12 Dilutive Securities Stock options.......... -- -- -- -- -- -- -- 3,618 0.01 Series A convertible redeemable 8% cumulative preferred stock.................. -- -- -- -- -- -- -- -- -- -------- ------ ------ -------- ------ ------ ------ ------ ----- Diluted net income (loss)................. $(74,206) 44,325 $(1.67) $(25,375) 32,443 $(0.78) $3,429 31,288 $0.11 ======== ====== ====== ======== ====== ====== ====== ====== ===== 1