Sales estimates for XCO

Yearly Sales Estimates for XCO

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	1006.1	903	960.35	45.397	1/30/2008
2008	1306	1279.5	1295.166	13.895	1/23/2009
2009	1039.77	883.9	981.167	69.683	11/5/2009
2010	965.48	866	903.37	43.276	11/5/2009
2011	1294.17	1159.2	1226.685	95.438	11/5/2009

Quarterly Sales Estimates for XCO

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	163.3	148.9	155.783	0	5/9/2007
06-2007	277.9	261.2	269.55	11.808	7/5/2007
09-2007	284.6	271.8	278.2	9.05	10/5/2007
12-2007	287.8	272	282.266	8.9	1/30/2008
03-2008	305.2	292	299.766	6.902	4/9/2008
06-2008	328	310.6	320.133	8.818	6/27/2008
09-2008	344	319.9	330.433	12.333	10/13/2008
12-2008	309	299.7	304.366	4.65	1/23/2009
03-2009	281.5	273	276.5	4.444	4/27/2009
06-2009	274	250.6	263.866	12.01	7/24/2009
09-2009	242.4	125.2	213.078	49.607	10/21/2009
12-2009	220.7	199	208.663	11.042	11/5/2009
03-2010	211.29	190.5	200.895	14.7	11/5/2009
06-2010	229.68	211.7	220.69	12.713	11/5/2009
09-2010	250.95	233.6	242.275	12.268	11/5/2009
12-2010	273.57	260.6	267.085	9.171	11/5/2009
03-2011	271.4	271.4	271.4	0	10/12/2009