MICROCHIP TECHNOLOGY INCORPORATED AND SUBSIDIARIES EXHIBIT 11 - COMPUTATION OF NET INCOME PER SHARE (in thousands, except per share amounts) Three Months Ended Nine Months Ended December 31, December 31, ------------------------------ --------------------------- 1996 1995 1996 1995 ------------ ------------ ---------- --------- Net income $ 14,755 $ 5,765 $ 34,567 $ 30,033 ============ ============ ========== ========= Weighted average shares: Common shares outstanding 51,189 50,847 51,274 50,576 Common equivalent shares representing shares issuable upon exercise of stock options(1) 3,405 4,272 2,927 4,231 ------------ ------------ ---------- --------- Total weighted average shares - primary 54,594 55,119 54,201 54,807 ============ ============ ========== ========= Incremental common equivalent shares (calculated using the higher of end of period or average market value)(2) 297 ----- 808 75 ------------ ------------ ---------- --------- Total weighted average shares - fully diluted 54,891 55,119 55,009 54,882 ============ ============ ========== ========= Primary net income per common and common equivalent share $ 0.27 $ 0.10 $ 0.64 $ 0.55 ============ ============ ========== ========= Fully diluted net income per common and common equivalent share $ 0.27 $ 0.10 $ 0.63 $ 0.55 ============ ============ ========== ========= - -------- 1 Amount calculated using the treasury stock method and fair market values for stock. 2 This calculation is submitted in accordance with Regulation S-K Item 601(b)(11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%. 21