Exhibit 11.1 AXION, INC. COMPUTATION OF NET INCOME (LOSS) PER SHARE (IN THOUSANDS, EXCEPT NET INCOME (LOSS) PER SHARE) SIX MONTHS ENDED YEARS ENDED DECEMBER 31, JUNE 30, ----------------------------------------------------------------- 1993 1994 1995 1995 1996 ----------------------------------------------------------------- Net income (loss) $(3,966) $1,428 $7,887 $3,175 $4,422 ----------------------------------------------------------------- Shares Common shares 1,573 1,562 1,589 1,579 1,605 Dilutive common equivalent shares Preferred shares -- 6,156 6,738 6,736 6,741 Stock options (1) -- 472 480 484 564 ----------------------------------------------------------------- Total 1,573 8,190 8,807 8,799 8,910 ----------------------------------------------------------------- Net income (loss) per share $(2.52) $0.17 $0.90 $0.36 $0.50 ================================================================= - -------- (1) Based on the treasury stock method using average fair value in each period.