Exhibit 11 Page 1 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, 1996 02/01/96 to 33 6,812,922 224,826,426 03/04/96 03/05/96 to 2 6,809,422 13,618,844 03/06/96 03/07/96 to 12 6,802,922 81,635,064 03/18/96 03/19/96 to 43 6,796,122 292,233,246 04/30/96 90 612,313,580 6,803,484 0 6,803,484 Quarter Ended April 30, 1995 02/01/95 to 28 6,949,822 194,595,016 02/28/95 03/01/95 to 1 6,946,922 6,946,922 03/01/95 03/02/95 to 1 6,945,922 6,945,922 03/02/95 03/03/95 to 3 6,943,922 20,831,766 03/05/95 03/06/95 to 1 6,942,722 6,942,722 03/06/95 03/07/95 to 1 6,936,522 6,936,522 03/07/95 03/08/95 to 2 6,934,822 13,869,644 03/09/95 03/10/95 to 4 6,932,822 27,731,288 03/13/95 03/14/95 to 1 6,932,322 6,932,322 03/14/95 03/15/95 to 1 6,931,322 6,931,322 03/15/95 03/16/95 to 4 6,929,822 27,719,288 03/19/95 03/20/95 to 1 6,928,822 6,928,822 03/20/95 03/21/95 to 1 6,928,322 6,928,322 03/21/95 03/22/95 to 1 6,927,822 6,927,822 03/22/95 03/23/95 to 1 6,927,322 6,927,322 03/23/95 03/24/95 to 3 6,911,322 20,733,966 03/26/95 03/27/95 to 35 6,901,322 241,546,270 04/30/95 89 616,375,258 6,925,565 3,358 6,928,923 Nine Months Ended April 30, 1996 08/01/95 to 8 6,901,322 55,210,578 08/08/95 08/09/95 to 63 6,841,322 431,003,286 10/10/95 10/11/95 to 1 6,814,922 6,814,922 10/11/95 10/12/95 to 145 6,812,922 987,873,690 03/04/06 03/05/06 to 2 6,809,422 13,618,844 03/06/06 03/07/96 to 12 6,802,922 81,635,064 03/18/96 03/19/96 to 43 6,796,122 292,233,246 04/30/96 273 1,868,389,630 6,818,940 0 6,818,940 Nine Months Ended April 30, 1995 08/01/94 to 8 6,951,822 55,614,576 08/08/94 08/09/95 to 204 6,949,822 1,417,763,688 02/28/95 12/01/94 to 90 6,949,822 625,483,980 02/28/95 03/01/95 to 1 6,946,922 6,946,922 03/01/95 03/02/95 to 1 6,945,922 6,945,922 03/02/95 03/03/95 to 3 6,943,922 20,831,766 03/95/95 03/06/95 to 1 6,942,722 6,942,722 03/06/95 03/07/95 to 1 6,936,522 6,936,522 03/07/95 03/08/95 to 2 6,934,822 13,869,644 03/09/95 03/10/95 to 4 6,932,822 27,731,288 03/13/95 03/14/95 to 1 6,932,322 6,932,322 03/14/95 03/15/95 to 1 6,931,322 6,931,322 03/15/95 03/16/95 to 4 6,929,822 27,719,288 03/19/95 03/20/95 to 1 6,928,822 6,928,822 03/20/95 03/21/95 to 1 6,928,322 6,928,322 03/21/95 03/22/95 to 1 6,927,822 6,927,822 03/22/95 03/23/95 to 1 6,927,322 6,927,322 03/23/95 03/24/95 to 3 6,911,322 20,733,966 03/26/95 03/27/95 to 30 6,901,322 241,546,270 04/30/95 273 1,895,158,506 6,941,973 Assuming exercise of options reduced by the number of shares which could have been purchased with the proceeds from exercise of such options. 5,736 6,947,709