Sales estimates for KLAC

Yearly Sales Estimates for KLAC

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	2715	2688.6	2705.399	5.979	7/22/2007
2008	2507.61	2500	2502.686	2.622	7/28/2008
2009	1633	1513.7	1541.775	26.866	7/21/2009
2010	1840.9	1198.1	1662.957	167.998	11/4/2009
2011	2535.5	1627	2070.03	290.284	11/4/2009
2012	2660	2297	2478.5	256.679	10/30/2009

Quarterly Sales Estimates for KLAC

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	716	700	708.991	0	4/5/2007
06-2007	715	702.4	710.55	4.104	7/22/2007
09-2007	690	673	681.9	4.87	10/15/2007
12-2007	705	630	641.036	21.432	1/5/2008
03-2008	588.1	580	584.714	2.382	4/9/2008
06-2008	575	569	570.577	1.878	7/28/2008
09-2008	525.7	515	518.762	3.664	10/24/2008
12-2008	420	380	396.533	13.317	1/21/2009
03-2009	400	288	309.964	30.166	4/21/2009
06-2009	330	275	300.676	15.212	7/21/2009
09-2009	350	279.4	327.441	17.625	10/27/2009
12-2009	445.5	277.5	418.236	48.645	11/5/2009
03-2010	493.2	294.1	438.03	73.533	11/4/2009
06-2010	564.7	281.5	459.31	84.103	11/4/2009
09-2010	570	342.7	460.6	86.586	10/30/2009
12-2010	610	420	503.1	71.544	10/30/2009
03-2011	640	455	540.95	76.29	10/30/2009