1 EXHIBIT 11 NOVAMETRIX MEDICAL SYSTEMS INC. STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS QUARTER ENDED QUARTER ENDED 07-28-96 07-30-95 -------- -------- PRIMARY EARNINGS PER SHARE: Weighted average number of shares of Common Stock outstanding 6,663,326 5,851,621 Net effect of dilutive common stock equivalents (1) 1,497,726 2,244,456 Total weighted average number of shares of Common Stock and dilutive common --------- ----------- stock equivalents outstanding 8,161,052 8,096,077 ========== ========== Net income $ 647,874 $ 388,167 PER COMMON SHARE AMOUNTS (2): $ .08 $ .05 ========== ========== (1) Common stock equivalents consist of the Company's Preferred Stock, stock options, warrants and shares subscribed under the Company's Employee Stock Purchase Plan. The computation of dilutive common stock equivalents is based on the if-converted method for the Preferred Stock and on the treasury stock method for the other common stock equivalents using the average market price for the primary earnings per share computations and the higher of average or period-end market price for the fully diluted earnings per share computations. (2) Fully diluted earnings per share are not materially different than primary earnings per share. Page 14 of 15