Cable Design Technologies Corporation Exhibit 11.1 Computation of Earnings per Share (In thousands, except share and per share data) Quarter Ended April 30, Nine Months Ended April 30, 1997 1996 1997 1996 Primary: Income/(loss) before extraordinary items $9,191 ($3,357) $25,269 $7,729 Extraordinary loss --- (596) --- (596) --------- ---------- ---------- -------- Net Income/(loss) $9,191 ($3,953) $25,269 $7,133 Weighted average number of shares of common stock outstanding 18,435,500 16,819,139 18,287,374 15,346,160 Assumed exercise of stock options 2,087,333 --- 2,244,448 2,682,074 --------- ---------- ---------- -------- Total shares 20,522,833 16,819,139 20,531,822 18,028,234 Primary earnings before extraordinary items per common share $0.45 ($0.20) $1.23 $0.43 Primary loss from extraordinary items --- ($0.04) --- ($0.03) --------- ---------- ---------- -------- Primary earnings/(loss) per common share $0.45 ($0.24) $1.23 $0.40 Quarter Ended April 30, Nine Months Ended April 30, 1997 1996 1997 1996 Fully diluted: Income/(loss) before extraordinary items $9,191 ($3,357) $25,269 $7,729 Extraordinary loss --- (596) --- (596) --------- ---------- ---------- -------- Net Income/(loss) $9,191 ($3,953) $25,269 $7,133 Weighted average number of shares of common stock outstanding 18,435,500 16,819,139 18,287,374 15,346,160 Assumed exercise of stock options 2,087,333 --- 2,244,448 2,708,423 --------- ---------- ---------- -------- Total shares 20,522,833 16,819,139 20,531,822 18,054,583 Fully diluted earnings before extraordinary items per common share $0.45 ($0.20) $1.23 $0.43 Fully diluted loss from extraordinary items --- ($0.04) --- ($0.03) --------- ---------- ---------- -------- Fully diluted earnings/(loss) per common share $0.45 ($0.24) $1.23 $0.40