EXHIBIT 11 ---------- LHS GROUP INC. COMPUTATION OF NET EARNINGS PER SHARE Third quarter ended September 30, Nine months ended September 30, --------------------------------- ------------------------------- 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Net earnings used to calculate primary and fully diluted earnings per share $ 3,734,000 $ 2,403,000 $ 6,928,000 $ 1,409,000 =========== =========== =========== =========== Number of shares used in calculation of per share data: Primary per common share information: Weighted average number of common shares outstanding during the period 24,917,589 20,000,000 22,491,948 20,000,000 Weighted average number of common equivalent shares (determined by the treasury stock method) composed of shares issuable upon exercise of stock options 1,565,406 1,977,003 1,419,294 1,977,003 ----------- ----------- ----------- ----------- Weighted average number of shares used in calculating primary earnings per share 26,482,995 21,977,003 23,911,242 21,977,003 =========== =========== =========== =========== Primary net earnings per share $ 0.14 $ 0.11 $ 0.29 $ 0.06 =========== =========== =========== =========== Fully diluted per common share information: Weighted average number of common shares outstanding during the period 24,917,589 20,000,000 22,491,948 20,000,000 Weighted average number of common equivalent shares (determined by the treasury stock method) composed of shares issuable upon exercise of stock options 1,565,399 1,977,003 1,527,278 1,977,003 ----------- ----------- ----------- ----------- Weighted average number of shares used in calculating fully diluted earnings per share 26,482,988 21,977,003 24,019,226 21,977,003 =========== =========== =========== =========== Fully diluted net earnings per share $ 0.14 $ 0.11 $ 0.29 $ 0.06 =========== =========== =========== ===========