EXHIBIT 11 AIR & WATER TECHNOLOGIES CORPORATION COMPUTATION OF PER SHARE EARNINGS (in thousands except per share amounts) Three Months Ended Six Months Ended April 30, April 30, 1995 1994 1995 1994 --------- ---------- --------- --------- Primary Earnings (Loss) Per Share: 1. Income (loss) from continuing operations $ (3,581) $ (18,791) $ (10,974) $ (49,565) 2. Less preferred dividends (825) - (1,650) - --------- ---------- --------- --------- 3. Income (loss) from continuing operations applicable to common shareholders (4,406) (18,791) (12,624) (49,565) 4. Income (loss) from discontinued operations - (34,956) - (41,579) 5. Extraordinary item - - - - --------- ---------- --------- --------- 6. Net loss applicable to common shareholders (4,406) (53,747) (12,624) (91,144) --------- ---------- --------- --------- 7. Weighted average shares outstanding 32,018 25,065 32,018 24,940 --------- ---------- --------- --------- 8. Earnings (loss) per share from continuing operations (3/7) $ (.14) $ (.75) $ (.39) $ (1.99) 9. Earnings (loss) per share from discontinued operations (4/7) - (1.39) - (1.66) 10. Loss per share on extraordinary item (5/7) - - - - --------- ---------- --------- --------- 11. Net loss per share $ (.14) $ (2.14) $ (.39) $ (3.65) ========= ========== ========= ========= Fully Diluted Earnings (Loss) Per Share: 12. Line 3. above $ (4,406) $ (18,791) $ (12,624) $ (49,565) 13. Add back preferred dividends 825 - 1,650 - 14. Add back interest, on assumed conversion of the Company's 8% Convertible Debentures 2,300 2,300 4,600 4,600 --------- ---------- --------- --------- 15. Income (loss) from continuing operations (1,281) (16,491) (6,374) (44,965) 16. Income (loss) from discontinued operations - (34,956) - (41,579) 17. Extraordinary item - - - - --------- ---------- --------- --------- 18. Net income (loss) $ (1,281) $ (51,447) $ (6,374) $ (86,544) --------- ---------- --------- --------- 19. Weighted average shares outstanding (Line 7) 32,018 25,065 32,018 24,940 20. Add additional shares issuable upon assumed conversion of preferred shares from date 4,800 - 4,800 - of issuance 21. Add additional shares issuable upon assumed conversion of the Company's 8% Convertible Debentures 3,833 3,833 3,833 3,833 --------- ---------- --------- --------- 22. Adjusted weighted average shares outstanding 40,651 28,898 40,651 28,773 --------- ---------- --------- --------- 23. Earnings (loss) per share from continuing operations (15/22) $ (.03) $ (.57) $ (.16) $ (1.56) 24. Earnings (loss) per share from discontinued operations (16/22) - (1.21) - (1.45) 25. Loss per share from extraordinary item (17/22) - - - - --------- ---------- --------- --------- 26. Net income (loss) per share (12/15)* $ (.03) $ (1.78) $ (.16) $ (3.01) ========= ========== ========= ========= - -------- * Fully diluted earnings (loss) per share are not presented as the assumed conversion of the Company's 8% Convertible Debentures is antidilutive.