Sales estimates for ANSS

Yearly Sales Estimates for ANSS

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	377.1	374.6	376.05	1.029	1/31/2008
2008	502.7	481.6	493.37	7.285	2/10/2009
2009	514.7	513.4	514.355	0.546	11/6/2009
2010	572.9	557	564.974	5.196	11/6/2009
2011	642.5	620.6	632.475	9.098	11/6/2009
2012	688.5	688.5	688.5	0	8/7/2009

Quarterly Sales Estimates for ANSS

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	87	85.9	86.45	0	3/23/2007
06-2007	89	88	88.476	0.501	5/31/2007
09-2007	92	90	91	1.414	10/16/2007
12-2007	103	100.21	101.23	1.095	1/18/2008
03-2008	106.7	104.51	105.543	0.924	4/28/2008
06-2008	111	110	110.575	0.417	8/5/2008
09-2008	126.9	119.79	124.277	2.809	10/21/2008
12-2008	153.1	138.56	145.41	4.551	2/10/2009
03-2009	129	116	124.676	4.547	5/4/2009
06-2009	133	120	124.991	5.021	7/21/2009
09-2009	128.617	127	127.622	0.595	10/21/2009
12-2009	140.32	139	139.984	0.565	11/6/2009
03-2010	134.01	128.5	131.301	2.002	11/6/2009
06-2010	139.6	134	136.815	1.944	11/6/2009
09-2010	143.6	138.775	141.462	1.821	11/6/2009
12-2010	158.2	152.75	155.658	2.437	11/6/2009
03-2011	146.7	146.7	146.7	0	11/6/2009