Sales estimates for DTSI

Yearly Sales Estimates for DTSI

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	52.1	50	51.024	0.805	12/31/2007
2008	59.21	56	58.468	1.256	8/29/2008
2009	73.2	69.5	71.544	1.39	8/29/2008

Quarterly Sales Estimates for DTSI

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	21	12.6	14.431	0	5/11/2007
06-2007	15	10.37	12.054	1.65	7/13/2007
09-2007	14.1	12.8	13.386	0.553	11/2/2007
12-2007	15.9	13.8	14.992	0.644	12/31/2007
03-2008	15	14	14.413	0.344	4/22/2008
06-2008	13	11.4	12.172	0.622	6/3/2008
09-2008	14	11	12.901	1.043	8/29/2008
12-2008	19.2	14.9	17.58	1.305	8/29/2008
03-2009	20	18.4	19.125	0.797	8/8/2008
06-2009	16.2	14.8	15.366	0.737	8/8/2008
09-2009	16.3	14.3	15.333	1.001	8/8/2008
12-2009	24.1	20.6	21.933	1.892	8/8/2008