IUSAA DATE CLOSING PRICE OPEN HIGH LOW VOLUME -------- ------------- -------- -------- -------- ----------- 4/07/1999 6.688 5.750 6.875 5.750 378,900 4/06/1999 5.688 6.250 6.375 5.500 274,200 4/05/1999 5.563 6.000 6.000 5.250 75,900 4/01/1999 6.000 4.500 6.750 4.500 584,300 3/31/1999 4.250 5.125 5.125 4.125 75,500 3/30/1999 5.438 5.250 5.438 5.063 9,900 3/29/1999 5.000 5.125 5.500 5.000 8,700 3/26/1999 5.375 5.500 5.625 5.250 18,000 3/25/1999 5.375 4.750 5.500 4.750 10,600 3/24/1999 4.875 4.750 4.938 4.625 24,600 3/23/1999 4.625 4.750 4.875 4.500 4,300 3/22/1999 4.750 5.688 5.688 4.563 35,400 3/19/1999 5.438 5.313 5.500 5.125 8,400 3/18/1999 5.500 5.313 5.500 5.313 5,400 3/17/1999 5.313 5.500 5.688 5.125 18,700 3/16/1999 5.500 5.750 5.750 5.500 8,600 3/15/1999 5.625 5.625 6.000 5.563 29,000 3/12/1999 5.625 5.750 5.875 5.625 2,000 3/11/1999 5.875 5.813 6.000 5.750 9,400 3/10/1999 5.875 5.875 5.875 5.875 8,400 3/09/1999 6.000 6.000 6.250 5.875 9,200 3/08/1999 6.000 6.250 6.250 5.875 25,600 3/05/1999 6.188 6.063 6.188 6.063 8,900 3/04/1999 6.000 6.063 6.188 6.000 9,300 3/03/1999 6.063 6.188 6.188 6.000 12,300 3/02/1999 6.000 6.000 6.250 6.000 9,500 3/01/1999 6.250 6.063 6.250 6.000 24,200 2/26/1999 6.000 6.125 6.188 5.875 14,000 2/25/1999 6.188 5.938 6.250 5.938 49,700 2/24/1999 6.250 6.250 6.250 6.063 13,600 2/23/1999 6.000 6.250 6.250 6.000 38,100 2/22/1999 6.063 6.000 6.250 5.875 1,081 2/19/1999 5.938 6.063 6.250 5.875 58,600 2/18/1999 6.000 5.688 6.063 5.500 52,300 2/17/1999 5.813 6.000 6.125 5.813 110,500 2/16/1999 5.938 5.750 6.125 5.750 115,500 2/12/1999 6.000 5.938 6.125 5.750 39,800 2/11/1999 5.875 5.875 6.063 5.875 38,200 2/10/1999 5.938 6.063 6.063 5.875 9,300 2/09/1999 6.000 6.188 6.188 5.875 62,700 2/08/1999 6.188 6.000 6.563 5.875 131,500 2/05/1999 5.750 5.625 5.875 5.563 112,400 2/04/1999 5.688 5.563 5.688 5.563 21,800 2/03/1999 5.625 5.563 5.750 5.563 147,100 2/02/1999 5.688 5.813 5.813 5.563 165,800 2/01/1999 5.625 5.750 5.750 5.563 176,700 1/29/1999 5.750 5.875 6.000 5.625 137,500 1/28/1999 5.688 5.625 6.000 5.375 249,200 1/27/1999 5.375 5.250 5.625 5.188 53,200 1/26/1999 5.375 6.000 6.500 5.125 106,100 1/25/1999 6.000 5.875 6.063 5.813 119,700 1/22/1999 5.750 6.000 6.063 5.750 41,100 1/21/1999 6.000 5.938 6.250 5.625 146,300 1/20/1999 6.000 5.750 6.125 5.625 46,000 1/19/1999 5.750 5.875 5.875 5.688 32,200 1/15/1999 5.625 5.875 5.875 5.625 6,800 1/14/1999 5.875 5.938 6.000 5.750 13,800 1/13/1999 5.750 6.000 6.000 5.000 42,300 1/12/1999 6.000 6.000 6.000 5.500 6,200 1/11/1999 5.875 6.000 6.500 5.375 40,500 1/08/1999 5.750 6.625 7.000 5.500 70,800 1/07/1999 6.500 5.250 8.500 5.188 242,300 1/06/1999 5.313 5.125 5.375 5.000 17,400 1/05/1999 5.375 5.625 5.625 5.125 30,400 1/04/1999 5.375 4.875 5.500 4.875 47,000 12/31/1998 4.875 4.500 5.375 4.000 71,700 12/30/1998 4.250 4.625 4.625 4.250 21,100 12/29/1998 4.500 4.375 4.625 4.250 6,100 12/28/1998 4.250 4.250 4.500 4.250 19,300 12/24/1998 4.313 4.000 4.375 3.875 19,800 12/23/1998 4.000 4.375 4.375 3.875 28,100 12/22/1998 4.531 4.688 4.688 4.500 15,000 12/21/1998 4.688 4.625 4.688 4.500 18,000 12/18/1998 4.688 4.563 4.813 4.563 7,500 12/17/1998 4.625 4.438 4.875 4.438 40,400 12/16/1998 4.625 5.063 5.063 4.375 32,600 12/15/1998 5.000 4.750 5.625 4.625 115,200 12/14/1998 4.563 5.250 5.500 4.438 38,600 12/11/1998 5.125 5.000 5.125 5.000 128,800 12/10/1998 5.000 5.438 5.500 5.000 24,100 12/09/1998 5.500 5.125 5.500 5.000 26,800 12/08/1998 5.000 5.125 5.125 5.000 4,700 12/07/1998 5.000 5.000 5.125 4.813 16,300 12/04/1998 5.125 5.125 5.125 4.875 32,100 12/03/1998 5.000 4.875 5.375 4.875 36,500 12/02/1998 4.625 4.563 4.875 4.500 72,400 12/01/1998 4.500 5.000 5.125 4.250 30,000 11/30/1998 5.375 5.500 5.625 5.125 40,300 11/27/1998 5.750 6.125 6.125 5.750 7,400 11/25/1998 5.750 5.625 6.000 5.250 34,500 11/24/1998 5.750 6.125 6.125 5.750 8,400 11/23/1998 6.000 6.250 6.250 5.750 25,300 11/20/1998 6.188 6.750 6.750 6.063 20,400 11/19/1998 6.625 6.750 6.875 6.500 49,300 11/18/1998 6.563 6.375 6.688 6.000 26,200 11/17/1998 6.000 6.375 6.375 5.875 16,900 11/16/1998 6.500 6.750 7.000 6.125 37,300 11/13/1998 6.375 6.125 7.000 6.125 71,400 11/12/1998 5.875 6.063 6.063 5.875 19,500 11/11/1998 5.750 6.000 6.125 5.750 34,600 11/10/1998 6.000 4.625 6.000 4.500 40,600 11/09/1998 4.625 4.500 4.625 4.375 87,600 11/06/1998 4.500 4.688 4.688 4.500 224,500 11/05/1998 4.563 4.500 4.688 4.500 48,300 11/04/1998 4.500 4.500 4.625 4.250 376,600 11/03/1998 4.281 4.063 4.500 3.688 206,700 11/02/1998 3.875 4.188 4.250 3.875 87,300 10/30/1998 3.750 4.125 4.125 3.688 117,000 10/29/1998 3.750 3.625 4.500 3.625 93,400 10/28/1998 3.500 3.625 3.750 3.000 859,600 10/27/1998 3.875 4.125 4.125 3.875 9,600 10/26/1998 4.063 4.125 4.125 3.938 30,900 10/23/1998 4.000 3.938 4.063 3.750 40,800 10/22/1998 4.063 4.000 4.375 4.000 270,300 10/21/1998 3.875 3.875 4.000 3.875 23,000 10/20/1998 3.875 4.125 4.125 3.813 689,100 10/19/1998 4.000 4.000 4.313 3.750 59,000 10/16/1998 4.125 4.125 4.500 4.125 53,500 10/15/1998 4.375 3.938 4.500 3.938 518,000 10/14/1998 3.938 3.875 4.000 3.750 38,100 10/13/1998 3.750 3.500 4.000 3.313 78,900 |