ADVANCED AERODYNAMICS & STRUCTURES, INC. (A Development Stage Enterprise) Statement Re: Computation of Per Share Earnings For the Three Months Ended For the Six Months Ended --------------------------------------------------------------------------------- 1996 1997 1996 1997 --------------------------------------------------------------------------------- Net loss $(1,005,000) $(1,358,000) $(1,346,000) $(1,877,000) --------------------------------------------------------------------------------- Weighted average number of Class B Common Stock shares outstanding 2,000,000 2,000,000 2,000,000 2,000,000 Common Stock equivalents from the issuance of Bridge Warrants computed using the treasury stock method 1,400,000 1,400,000 Weighted average number of Class A Common Stock shares outstanding 6,900,000 6,900,000 --------------------------------------------------------------------------------- 3,400,000 8,900,000 3,400,000 8,900,000 ================================================================================= Net loss per share ($.30) ($.15) ($.40) ($.21) =================================================================================