Sales estimates for CENX

Yearly Sales Estimates for CENX

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	1803	1798.2	1800.416	2.42	1/11/2008
2008	2017	1921	1962.212	30.975	2/4/2009
2009	894.8	874.3	881.606	8.027	11/23/2009
2010	1043.2	966	1005.25	33.037	10/28/2009
2011	1497.1	1497.1	1497.1	0	10/28/2009
2012	1682.1	1682.1	1682.1	0	10/28/2009

Quarterly Sales Estimates for CENX

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	420.2	420.2	420.2	0	4/5/2007
06-2007	470.1	443.1	455.8	13.57	7/12/2007
09-2007	453.3	453.3	453.3	0	10/5/2007
12-2007	432.2	432.2	432.2	0	1/5/2008
03-2008	459.3	438	450.075	8.859	4/7/2008
06-2008	552.8	524	541.925	12.775	7/24/2008
09-2008	581	542.3	560.75	18.555	10/17/2008
12-2008	449	397.6	413.925	23.889	1/29/2009
03-2009	232	227.9	229.95	2.899	3/13/2009
06-2009	202	190	194.066	6.871	6/15/2009
09-2009	228	208	219.666	10.408	10/13/2009
12-2009	252.4	241	246.7	8.061	10/28/2009
03-2010	240.9	240.9	240.9	0	10/28/2009
06-2010	244.9	244.9	244.9	0	10/28/2009
09-2010	250.9	250.9	250.9	0	10/28/2009
12-2010	257	257	257	0	10/28/2009
03-2011	362.6	362.6	362.6	0	10/28/2009