Exhibit 11 OIL-DRI CORPORATION OF AMERICA Computation of Weighted Average Number of Shares Outstanding Average Shares- (Weighted Number Number of Shares) Number of Shares Weighted of Days Quarter End Period Days Outstanding Shares As Adjusted April 30, 1995 02/01/95 to 2/28/95 28 6,949,822 194,595,016 03/01/95 to 3/01/95 1 6,946,922 6,946,922 03/02/95 to 3/02/95 1 6,945,922 6,945,922 03/03/95 to 3/05/95 3 6,943,922 20,831,766 03/06/95 to 3/06/95 1 6,942,722 6,942,722 03/07/95 to 3/07/95 1 6,936,522 6,936,522 03/08/95 to 3/09/95 2 6,934,822 13,869,644 03/10/95 to 3/13/95 4 6,932,822 27,731,288 03/14/95 to 3/14/95 1 6,932,322 6,932,322 03/15/95 to 3/15/95 1 6,931,322 6,931,322 03/16/95 to 3/19/95 4 6,929,822 27,719,288 03/20/95 to 3/20/95 1 6,928,822 6,928,822 03/21/95 to 3/21/95 1 6,928,322 6,928,322 03/22/95 to 3/22/95 1 6,927,822 6,927,822 03/23/95 to 3/23/95 1 6,927,322 6,927,322 03/24/95 to 3/26/95 3 6,911,322 20,733,966 03/27/95 to 4/30/95 35 6,901,322 241,546,270 89 616,375,258 6,925,565 Assuming exercise of options reduced by the number of shares which could have been purchased with the proceeds from exercise of such options. 3,358 6,928,923 April 30, 1995 02/01/94 to 3/21/94 49 6,998,285 342,915,965 03/22/94 to 4/30/94 40 6,999,966 279,998,640 89 622,914,605 6,999,041 Assuming exercise of options reduced by the number of shares which could have been purchased with the proceeds from exercise of such options. 15,954 7,014,995