1 EXHIBIT 11 NOVAVAX, INC. AND SUBSIDIARIE COMPUTATION OF NET LOSS PER COMMON SHARE (Unaudited) Three months ended Six months ended June 30, June 30, -------- -------- 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Net loss $(1,133,941) $(1,384,835) $(2,343,563) $(2,596,017) ============ ============ ============ ============ Weighted average of common shares outstanding 11,891,507 9,992,987 11,389,929 9,967,962 ============ ============ ============ ============ Net loss per common share outstanding $ (.10) $ (.14) $ (.21) $ (.26) ============ ============ ============ ============ Common stock equivalents were not included in the above as they are antidilutive. 12