EXHIBIT 11 AIR & WATER TECHNOLOGIES CORPORATION COMPUTATION OF PER SHARE EARNINGS (in thousands except per share amounts) [CAPTION] Three Months Ended Nine Months Ended July 31, July 31, 1994 1993 1994 1993 ---- ---- ---- ---- Primary Earnings (Loss) Per Share: 1. Income (loss) from continuing operations $(119,801) $ 602 $(172,716) $ 2,388 2. Less preferred dividends ( 416) - ( 416) - --------- --------- ---------- ------ 3. Income (loss) from continuing operations applicable to common shareholders (120,217) 602 (173,132) 2,388 4. Income (loss) from discontinued operations - 1,388 (38,229) 2,956 5. Extraordinary item (8,000) - (8,000) - --------- -------- --------- ------ 6. Net income (loss) applicable to common shareholders $(128,217) $ 1,990 $(219,361) $ 5,344 --------- -------- --------- ------ 7. Weighted Average shares Outstanding 28,710 24,813 26,210 24,814 --------- -------- --------- ------ 8. Earnings (loss) per share from continuing operations (3/7) $ (4.19) $ .02 $ (6.61) $ .10 9. Earnings (loss) per share from discontinued operations (4/7) - .06 (1.46) .12 10. Loss per share on extraordinary item (5/7) (.28) - (.30) - --------- -------- --------- ------ 11. Net income (loss) per share $ (4.47) $ .08 $ (8.37) $ .22 ======== ======== ========= ====== Fully Diluted Earnings (Loss) Per Share: 12. Line 3. above $(120,217) $ 602 $(173,132) $ 2,388 13. Add back preferred dividends 416 - 416 - 14. Add back interest, net of tax, on assumed conversion of the Company's 8% Convertible Debentures 2,300 2,300 6,900 6,900 --------- -------- -------- ------ 15. Income (loss) from continuing operations (117,501) 2,902 (165,816) 9,288 16. Income (loss) from discontinued operations - 1,388 (38,229) 2,956 17. Extraordinary item (8,000) - (8,000) - --------- ------- -------- ------ 18. Net income (loss) $(125,501) $ 4,290 $(212,045) 12,244 --------- -------- -------- ------ 19. Weighted average shares outstanding (Line 7) 28,710 24,813 26,210 24,814 20. Add additional shares issuable upon assumed conversion of preferred shares from date of issuance 2,452 - 826 - 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 34,995 28,646 30,869 28,647 --------- -------- -------- ------ 23. Earnings (loss) per share from continuing operations (15/22)* $ (3.36) $ .10 $ (5.37) $ .33 24. Earnings (loss) per share from discontinued operations (16/22) - .05 (1.24) .10 25. Loss per share from extraordinary item (17/22) (.23) - (.26) - --------- ------- -------- ------ 25. Net income (loss) per share (18/22)* $ (3.59) $ .15 $ (6.87) $ .43 ========= ======= ======== ======= * Fully diluted earnings (loss) per share are not presented as the assumed conversion of the Company's Convertible Preferred and Convertible Debentures is anti-dilutive.