Exhibit 11 EMCORE CORPORATION STATEMENT OF COMPUTATION OF PER SHARE AMOUNTS (In Thousands, Except Per Share Amounts) (Unaudited) Three Months Six Months Ended March 31, Ended March 31, ---------------------- ----------------------- 1998 1997 1998 1997 ---- ---- ---- ---- Income (loss) before extraordinary item................ $37 ($2,894) ($29,352) ($6,692) Extraordinary loss..................................... (256) (256) Net income (loss)...................................... $37 ($3,150) ($29,352) ($6,948) Basic earnings per share calculation: Weighted average shares outstanding: Common stock.............................. 9,328 3,825 8,189 3,405 Common stock equivalents (1).............. Basic weighted average common shares and equivalents............. 9,328 3,825 8,189 3,405 Income (loss) before extraordinary item................ $0.00 ($0.76) ($3.58) ($1.97) Extraordinary loss..................................... (0.06) (0.07) Net income (loss) per share............................ $0.00 ($0.82) ($3.58) ($2.04) Fully diluted earnings per share calculation: Weighted average shares outstanding: Common stock.............................. 9,328 3,825 8,189 3,405 Common stock equivalents (1).............. 1,220 722 Fully-diluted weighted average common shares and equivalents............. 10,548 3,825 8,189 4,127 Income (loss) before extraordinary item................ $0.00 ($0.76) ($3.58) ($1.62) Extraordinary loss..................................... (0.06) (0.06) Net income (loss) per share............................ $0.00 ($0.82) ($3.58) ($1.68) _______________________ (1) Under the provisions of Securities and Exchange Commission Staff Bulletin No. 64 ("SAB" No. 64), common stock and common stock equivalents issued by the company within one year or in contemplation of the Company's offering are treated as if they were outstanding for all periods presented prior to the Company's IPO. After the IPO is effective, the determination of common stock and equivalents has been determined on a basis consistent with FAS 128, which states "EPS shall not assume conversion exercise or contingent issuance of securities that would have an anti-dilutive effect on earnings per share."