EXHIBIT 11.1:

OIL-DRI CORPORATION OF AMERICA
Computation of Net Income Per Share
(in thousands except for per share amounts)

	Year Ended July 31
	2009		2008		2007
Net income available to stockholders	$	9,586	$	9,039	$	7,660
(numerator)
Shares Calculation
(denominator)
Average shares outstanding –
Basic Common		5,146	5,068		4,902
Average shares outstanding –
Basic Class B Common		1,874	1,854		1,834
Effect of Dilutive Securities:
Potential Common Stock relating
To stock options		222		293		292
Average shares outstanding –
Assuming dilution		7,242	7,215		7,028
Net Income Per Share:
Basic Common	$	1.44	$	1.38	$	1.22
Net Income Per Share:
Basic Class B Common	$	1.17	$	1.11	$	0.90
Net Income Per Share:
Diluted	$	1.32	$	1.25	$	1.09

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