<TABLE>
EXHIBIT 11
AIRGAS, INC.
EARNINGS PER SHARE CALCULATIONS
<CAPTION>
Three Months Ended
June 30,
(In thousands, except per share amounts) 2000 1999
<S> <C> <C>
Weighted Average Shares Outstanding:
Basic shares outstanding 65,100,000 69,800,000
Stock options - incremental shares 400,000 1,200,000
Contingently issuable shares 1,800,000 100,000
Diluted shares outstanding 67,300,000 71,100,000
Net earnings $9,816,000 $9,085,000
Basic earnings per share $.15 $.13
Diluted earnings per share $.15 $.13
</TABLE>