REPORT DATE:		28-Jul-08			
					
					
CUSIP	SECURITY DESCRIPTION	PMT DATE	      INT PMT FACTOR	 PRIN PMT FACTOR	PRIN BAL FACTOR
					
784582AQ1	SMS TRUST 1998-A A-2	07/28/2008	0.007651280	0.012630284	0.232858419
784582AR9	SMS TRUST 1998-A SUB 	07/28/2008	0.008030447	0.000000000	1.000000000
784582AT5	SMS TRUST 1999-A A-2	07/28/2008	0.007979891	0.008846994	0.138712924
784582AU2	SMS TRUST 1999-A SUB 	07/28/2008	0.008738224	0.000000000	1.000000000
784582AW8	SMS TRUST 1999-B A-2	07/28/2008	0.007954613	0.009070509	0.203861431
784582AX6	SMS TRUST 1999-B SUB 	07/28/2008	0.008561280	0.000000000	1.000000000
784582BA5	SMS TRUST 2000-A A-2	07/28/2008	0.007828224	0.012522417	0.272239423
784582BB3	SMS TRUST 2000-A SUB 	07/28/2008	0.008738225	0.000000000	1.000000000
784582BD9	SMS TRUST 2000-B A-2	07/28/2008	0.007853502	0.010069986	0.190831226
784582BE7	SMS TRUST 2000-B SUB 	07/28/2008	0.009117391	0.000000000	1.000000000