DATE CLOSING PRICE OPEN HIGH LOW VOLUME -------- ------------- -------- -------- -------- ----------- 9/19/97 53.625 53.375 54.750 52.750 994,400 9/18/97 53.000 54.875 56.375 52.875 2,672,700 9/17/97 54.000 59.500 59.500 53.250 2,304,200 9/16/97 58.500 58.250 58.875 56.875 867,100 9/15/97 57.000 59.000 60.625 56.875 887,500 9/12/97 58.125 58.750 59.250 56.313 1,023,800 9/11/97 58.375 60.250 61.250 57.625 1,006,700 9/10/97 59.938 59.750 61.250 59.500 1,355,600 9/09/97 59.500 56.688 59.750 56.688 2,113,900 9/08/97 56.563 56.125 56.875 56.000 1,121,900 9/05/97 53.875 54.000 54.500 53.000 860,900 9/04/97 53.250 54.375 55.000 52.750 1,511,400 9/03/97 55.063 57.000 57.125 54.625 1,337,400 9/02/97 56.875 57.125 57.750 56.188 740,500 8/29/97 56.625 56.500 58.000 56.000 844,800 8/28/97 56.625 56.625 57.500 56.250 1,160,700 8/27/97 57.000 57.625 58.000 56.250 1,255,000 8/26/97 57.250 57.250 58.000 56.688 1,313,300 8/25/97 57.875 55.875 58.750 54.750 3,256,100 8/22/97 55.000 56.125 56.875 54.250 4,979,300 8/21/97 59.250 60.750 62.125 59.000 1,567,000 8/20/97 60.250 58.250 60.250 58.000 2,380,800 8/19/97 57.875 56.500 58.625 55.500 4,041,200 8/18/97 55.875 59.000 59.000 52.625 5,632,400 8/15/97 59.125 60.000 61.625 57.625 5,478,700 8/14/97 62.375 64.625 65.000 62.375 1,136,000 8/13/97 63.938 65.750 66.375 63.000 1,725,700 8/12/97 63.500 64.250 66.750 63.375 1,898,200 8/11/97 63.688 64.250 64.500 62.375 1,047,800 8/08/97 64.188 65.500 65.500 62.500 1,483,300 8/07/97 66.188 69.250 69.500 65.250 1,512,500 8/06/97 68.875 69.438 71.125 68.125 1,199,800 8/05/97 69.250 67.125 69.875 65.500 1,941,800 8/04/97 67.250 62.625 68.250 62.250 2,843,300 8/01/97 63.000 65.000 65.000 62.500 938,000 7/31/97 65.188 64.875 66.000 64.000 1,775,600 7/30/97 63.250 64.250 64.500 62.000 1,535,700 7/29/97 61.875 62.125 63.125 60.625 1,759,000 7/28/97 60.000 63.750 64.625 58.750 2,888,300 7/25/97 62.125 62.750 65.250 57.500 5,433,000 7/24/97 62.250 64.750 65.000 61.375 4,151,500 7/23/97 66.000 70.250 71.000 64.875 2,606,800 7/22/97 69.750 72.750 72.750 67.000 9,489,900 7/21/97 77.250 77.500 78.500 76.000 1,033,600 7/18/97 77.500 76.250 77.500 74.000 954,800 7/17/97 75.563 77.875 78.000 74.375 775,300 7/16/97 77.750 75.500 78.500 74.250 892,500 7/15/97 74.375 74.438 75.688 72.750 436,100 7/14/97 73.875 71.500 75.125 71.000 911,300 7/11/97 70.750 69.000 72.000 68.625 660,300 7/10/97 68.750 68.438 69.875 67.625 475,400 7/09/97 68.250 65.500 69.000 65.375 859,600 7/08/97 65.188 65.500 66.000 63.500 874,400 7/07/97 64.750 67.500 67.500 64.750 836,600 7/03/97 66.625 68.750 69.750 66.000 763,100 7/02/97 66.750 64.750 68.000 64.375 2,071,700 7/01/97 61.625 63.000 63.125 60.250 589,700 6/30/97 63.125 61.750 64.500 60.875 839,900 6/27/97 61.750 61.750 62.250 61.000 335,500 6/26/97 61.875 61.875 62.250 60.250 1,115,500 |