Sales estimates for ALTR

Yearly Sales Estimates for ALTR

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	1262.45	1244.26	1250.207	3.704	1/15/2008
2008	1408	1367.4	1375.778	10.944	1/26/2009
2009	1145.4	1095	1135.745	14.027	11/19/2009
2010	1350	1247	1312.525	26.049	11/19/2009
2011	1500	1339	1429	67.985	11/19/2009
2012	1522.2	1522.2	1522.2	0	11/13/2009
2013	1517.1	1517.1	1517.1	0	7/14/2009

Quarterly Sales Estimates for ALTR

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	345	305	314.643	0	3/7/2007
06-2007	315	311	313.5	1.432	7/18/2007
09-2007	329.1	317.2	324.216	3.923	10/5/2007
12-2007	322	305	310.661	4.004	1/15/2008
03-2008	327	325	326.166	0.6	4/5/2008
06-2008	349.8	344	346.805	1.601	7/1/2008
09-2008	357.3	352.7	354.958	1.153	10/7/2008
12-2008	347	314.8	321.146	7.526	1/26/2009
03-2009	264.2	245	256.767	5.097	4/14/2009
06-2009	280.6	264.5	276.42	4.531	5/25/2009
09-2009	286	270.8	280.078	5.793	9/9/2009
12-2009	315	279	306.524	10.3	11/19/2009
03-2010	330	309.254	317.49	4.968	11/19/2009
06-2010	345	316	328.222	7.704	11/19/2009
09-2010	341.1	300	329.788	10.388	11/19/2009
12-2010	350	315	337.111	10.085	11/19/2009
03-2011	360	329	344.5	21.92	11/19/2009