Sales estimates for DUK

Yearly Sales Estimates for DUK

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	14699.6	12641	13517.016	776.366	1/5/2008
2008	14040.7	13036	13416.316	382.285	2/3/2009
2009	14914.4	12786	13597.223	780.766	11/16/2009
2010	17569	13437.4	14563.037	1331.788	11/19/2009
2011	15777	14096	14826.6	636.727	11/16/2009
2012	15697	15697	15697	0	8/5/2009

Quarterly Sales Estimates for DUK

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	3479.5	3479.5	3479.5	0	3/23/2007
06-2007	4674.3	3325	3999.65	954.099	7/5/2007
09-2007	3897.3	3897.3	3897.3	0	10/1/2007
12-2007	4066.4	3469.2	3767.8	422.284	1/5/2008
03-2008	4034	3467.4	3750.7	400.646	4/5/2008
06-2008	3747.9	3033	3390.45	505.51	6/18/2008
09-2008	4715.2	3691	4203.1	724.218	10/14/2008
12-2008	3966.7	3072.7	3579.8	458.96	1/6/2009
03-2009	4279.8	3423	3867.6	429.317	4/23/2009
06-2009	4100	3300	3700	565.685	7/24/2009
09-2009	4563.2	3942.5	4252.85	438.901	10/15/2009
12-2009	4527.1	4126.2	4326.65	283.479	11/5/2009
03-2010	4191.5	4191.5	4191.5	0	11/19/2009
06-2010	4294.7	4294.7	4294.7	0	11/19/2009
09-2010	4743.3	4743.3	4743.3	0	11/19/2009
12-2010	4341.5	4341.5	4341.5	0	11/19/2009