Sales estimates for BOKF

Yearly Sales Estimates for BOKF

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	1045	958.22	1001.61	61.362	12/26/2007
2008	1114.28	1062.45	1077.381	20.191	12/18/2008
2009	1220.6	1179.4	1195.749	18.147	11/9/2009
2010	1257.966	1215.4	1228.249	17.598	11/9/2009
2011	1348.488	1225.1	1272.397	53.122	11/9/2009

Quarterly Sales Estimates for BOKF

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	223	221.82	222.41	0	3/13/2007
06-2007	232.08	232.08	232.08	0	4/18/2007
09-2007	244.53	244.53	244.53	0	7/18/2007
12-2007	251.79	251.79	251.79	0	12/24/2007
03-2008	254.57	251.9	253.09	1.358	4/3/2008
06-2008	267.6	257.9	263.03	4.874	7/2/2008
09-2008	287.9	272.4	280.037	6.389	9/26/2008
12-2008	289.8	282.8	286.804	2.977	12/18/2008
03-2009	291	283.88	285.366	3.149	4/2/2009
06-2009	304.26	294.9	298.984	4.037	7/8/2009
09-2009	304.2	294.6	297.655	3.812	10/1/2009
12-2009	306	300	303.386	2.182	11/9/2009
03-2010	305.2	295.65	300.57	3.587	11/9/2009
06-2010	313.188	301.7	305.611	4.403	11/9/2009
09-2010	319.191	303.1	309.69	6.128	11/9/2009
12-2010	323.867	302.2	312.373	8.392	11/9/2009