Date Contract #Units $Volume Low High Ave. Last 12/22/97 MS130aH 0 0.000 - - - - 12/22/97 MS130aL 0 0.000 - - - - 12/23/97 MS130aH 0 0.000 - - - - 12/23/97 MS130aL 1 0.600 0.600 0.600 0.600 0.600 12/24/97 MS130aH 0 0.000 - - - - 12/24/97 MS130aL 0 0.000 - - - 0.600 12/25/97 MS130aH 0 0.000 - - - - 12/25/97 MS130aL 0 0.000 - - - 0.600 12/26/97 MS130aH 1 0.600 0.600 0.600 0.600 0.600 12/26/97 MS130aL 1 0.300 0.300 0.300 0.300 0.300 12/27/97 MS130aH 0 0.000 - - - 0.600 12/27/97 MS130aL 1 0.300 0.300 0.300 0.300 0.300 12/28/97 MS130aH 0 0.000 - - - 0.600 12/28/97 MS130aL 0 0.000 - - - 0.300 12/29/97 MS130aH 0 0.000 - - - 0.600 12/29/97 MS130aL 0 0.000 - - - 0.300 12/30/97 MS130aH 0 0.000 - - - 0.600 12/30/97 MS130aL 0 0.000 - - - 0.300 12/31/97 MS130aH 0 0.000 - - - 0.600 12/31/97 MS130aL 0 0.000 - - - 0.300 01/01/98 MS130aH 0 0.000 - - - 0.600 01/01/98 MS130aL 0 0.000 - - - 0.300 01/02/98 MS130aH 0 0.000 - - - 0.600 01/02/98 MS130aL 0 0.000 - - - 0.300 01/03/98 MS130aH 0 0.000 - - - 0.600 01/03/98 MS130aL 0 0.000 - - - 0.300 01/04/98 MS130aH 0 0.000 - - - 0.600 01/04/98 MS130aL 0 0.000 - - - 0.300 01/05/98 MS130aH 1 0.800 0.800 0.800 0.800 0.800 01/05/98 MS130aL 1 0.600 0.600 0.600 0.600 0.600 01/06/98 MS130aH 0 0.000 - - - 0.800 01/06/98 MS130aL 0 0.000 - - - 0.600 01/07/98 MS130aH 0 0.000 - - - 0.800 01/07/98 MS130aL 1 0.450 0.450 0.450 0.450 0.450 01/08/98 MS130aH 0 0.000 - - - 0.800 01/08/98 MS130aL 0 0.000 - - - 0.450 01/09/98 MS130aH 1 0.600 0.600 0.600 0.600 0.600 01/09/98 MS130aL 0 0.000 - - - 0.450 01/10/98 MS130aH 0 0.000 - - - 0.600 01/10/98 MS130aL 0 0.000 - - - 0.450 01/11/98 MS130aH 0 0.000 - - - 0.600 01/11/98 MS130aL 0 0.000 - - - 0.450 01/12/98 MS130aH 16 3.300 0.200 0.300 0.206 0.300 01/12/98 MS130aL 4 2.800 0.700 0.700 0.700 0.700 01/13/98 MS130aH 10 5.890 0.589 0.589 0.589 0.589 01/13/98 MS130aL 28 14.000 0.500 0.500 0.500 0.500 01/14/98 MS130aH 0 0.000 - - - 0.589 01/14/98 MS130aL 2 1.000 0.500 0.500 0.500 0.500 01/15/98 MS130aH 2 1.900 0.950 0.950 0.950 0.950 01/15/98 MS130aL 6 2.400 0.400 0.400 0.400 0.400 01/16/98 MS130aH 20 19.940 0.997 0.997 0.997 0.997 01/16/98 MS130aL 20 7.250 0.350 0.375 0.363 0.350 01/17/98 MS130aH 0 0.000 - - - 0.997 01/17/98 MS130aL 0 0.000 - - - 0.350 01/18/98 MS130aH 0 0.000 - - - 0.997 01/18/98 MS130aL 0 0.000 - - - 0.350 01/19/98 MS130aH 0 0.000 - - - 0.997 01/19/98 MS130aL 0 0.000 - - - 0.350