EXHIBIT 11.1 EDEN BIOSCIENCE CORPORATION STATEMENT RE: COMPUTATION OF PER SHARE LOSS FOR THE THREE MONTHS AND SIX MONTHS ENDED JUNE 30, 2001 AND 2002 BASIC AND DILUTED NET LOSS PER SHARE: COMPUTATIONS FOR THREE MONTHS ENDED: Three Months Ended June 30, 2001 Three Months Ended June 30, 2002 -------------------------------------- -------------------------------------- Shares Outstanding Shares Outstanding ----------------------- ----------------------- Weighted Weighted Total Average Total Average ---------- ---------- ---------- ---------- Net loss $ (7,869,775) $ (4,709,684) Common stock shares outstanding at beginning of period 23,927,346 23,927,346 24,217,640 24,217,640 Issued during the period: Exercise of warrants 11,839 1,041 - - Exercise of stock options 20,133 13,429 1,000 450 Exercise under employee stock purchase plan 18,029 11,887 29,682 19,897 ---------- ---------- ---------- ---------- Shares outstanding at end of period 23,977,347 23,953,703 23,953,703 24,248,322 24,237,987 24,237,987 ========== ========== ------------ ========== ========== ------------ Basic and diluted net loss per share $ (0.33) $ (0.19) ============ ============ COMPUTATIONS FOR SIX MONTHS ENDED: Six Months Ended June 30, 2001 Six Months Ended June 30, 2002 -------------------------------------- -------------------------------------- Shares Outstanding Shares Outstanding ----------------------- ----------------------- Weighted Weighted Total Average Total Average ---------- ---------- ---------- ---------- Net loss $(10,340,296) $(10,214,401) Common stock shares outstanding at beginning of period 23,894,680 23,894,680 24,099,944 24,099,944 Issued during the period: Exercise of warrants 11,839 523 - - Net effect of exercise of stock options 52,799 29,934 118,696 92,563 Exercise under employee stock purchase plan 18,029 5,976 29,682 10,003 ---------- ---------- ---------- ---------- Shares outstanding at end of period 23,977,347 23,931,113 23,931,113 24,248,322 24,202,510 24,202,510 ========== ========== ------------ ========== ========== ------------ Basic and diluted net loss per share $ (0.43) $ (0.42) ============ ============