1 EXHIBIT 11 ---------- COMPUTATION OF PER SHARE EARNINGS --------------------------------- ALLEN TELECOM INC. ------------------ (Amounts in Thousands) Net income and common shares used in the calculations of earnings per common share were computed as follows: THREE MONTHS ENDED MARCH 31, ---------------------------------- 1998 1997 -------------- --------------- Income: - ------- Net income applicable to Common stock - Basic and Diluted $ 6,338 $ 7,026 ============== =============== Common Shares: - -------------- Weighted average common shares outstanding- Basic 27,160 26,650 Assumed exercise of stock options 250 380 -------------- --------------- Common shares - Diluted 27,410 27,030 ============== ===============