<PAGE> 1
Exhibit 11
ROY F. WESTON, INC. AND SUBSIDIARIES
STATEMENTS OF COMPUTATION OF EARNINGS PER SHARE
<TABLE>
<CAPTION>
Three Months Ended September 30,
-------------------------------
2000 1999
----------- -----------
(Thousands of Dollars)
<S> <C> <C>
BASIC
Net income $ 921 $ 94
=========== ===========
Weighted average shares outstanding 9,977,675 9,954,671
=========== ===========
Basic earnings per share $ .09 $ .01
=========== ===========
DILUTED
Net income $ 921 $ 94
=========== ===========
Weighted average number of shares used in calculating
basic earnings per share 9,977,675 9,954,671
ADD:
Dilutive impact of stock options 133,627 64,483
----------- -----------
Weighted average number of shares used in calculating
diluted earnings per share 10,111,302 10,019,154
=========== ===========
Diluted earnings per share $ .09 $ .01
=========== ===========
</TABLE>
<PAGE> 2
Exhibit 11
ROY F. WESTON, INC. AND SUBSIDIARIES
STATEMENTS OF COMPUTATION OF EARNINGS PER SHARE
<TABLE>
<CAPTION>
Nine Months Ended September 30,
-------------------------------
2000 1999
----------- -----------
(Thousands of Dollars)
<S> <C> <C>
BASIC
Net income $ 3,434 $ 556
=========== ===========
Weighted average shares outstanding 9,971,145 9,949,601
=========== ===========
Basic earnings per share $ .34 $ .06
=========== ===========
DILUTED
Net income $ 3,434 $ 556
=========== ===========
Weighted average number of shares used in calculating
basic earnings per share 9,971,145 9,949,601
ADD:
Dilutive impact of stock options 54,847 25,254
----------- -----------
Weighted average number of shares used in calculating
diluted earnings per share 10,025,992 9,974,855
=========== ===========
Diluted earnings per share $ .34 $ .06
=========== ===========
</TABLE>