Sigma-Aldrich Corporation - Investment Calculator

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Calculate Current Value and Shares Since: August 8, 1975

Investment Date:	Original Shares:	Original Value:	Current Shares:	Current Value:	Percent Return:
Aug 8, 1975	36	$ 990.00	2,090	$149,111.26	14,961.75%

Investment of $ 990.00 on Aug 8, 1975 would yield $149,111.26 today

Adjustments

Date	Reason	Factor	Shares	Price	Value	%
Aug 8, 1975	Initial Investment		36	27.50	$990.00	0.00%
Nov 28, 1975	Dividend	0.001	36	26.25	$954.59	(3.58%)
Feb 27, 1976	Dividend	0.001	36	25.00	$909.18	(8.16%)
May 27, 1976	Dividend	0.001	36	24.50	$891.04	(10.00%)
Aug 27, 1976	Dividend	0.001	36	23.50	$854.72	(13.66%)
Dec 6, 1976	Dividend	0.002	36	23.50	$854.78	(13.66%)
Feb 25, 1977	Dividend	0.002	36	19.00	$691.16	(30.19%)
May 26, 1977	Dividend	0.002	36	20.75	$754.88	(23.75%)
Aug 30, 1977	Dividend	0.002	36	20.50	$745.84	(24.66%)
Nov 25, 1977	Dividend	0.002	36	21.00	$764.11	(22.82%)
Feb 24, 1978	Dividend	0.002	36	20.50	$745.99	(24.65%)
May 24, 1978	Dividend	0.002	36	25.50	$928.02	(6.26%)
Aug 28, 1978	Dividend	0.002	36	31.25	$1,137.35	14.88%
Nov 27, 1978	Dividend	0.003	36	29.00	$1,055.56	6.62%
Mar 5, 1979	Dividend	0.003	36	30.00	$1,092.05	10.31%
May 24, 1979	Dividend	0.003	36	34.00	$1,237.75	25.03%
Aug 27, 1979	Dividend	0.003	36	35.50	$1,292.45	30.55%
Nov 26, 1979	Dividend	0.003	36	34.75	$1,265.26	27.80%
Mar 3, 1980	Dividend	0.003	36	40.50	$1,474.74	48.96%
May 23, 1980	Dividend	0.003	36	40.25	$1,465.75	48.06%
Aug 25, 1980	Dividend	0.003	36	50.63	$1,843.86	86.25%
Dec 1, 1980	Dividend	0.004	36	55.37	$2,016.61	103.70%
Mar 2, 1981	Dividend	0.004	36	53.37	$1,943.91	96.35%
May 26, 1981	Dividend	0.004	36	64.75	$2,358.54	138.24%
Aug 26, 1981	Dividend	0.004	36	58.75	$2,140.12	116.17%
Dec 7, 1981	Dividend	0.002	36	64.37	$2,344.91	136.86%
Jan 5, 1982	Dividend	1.000	75	30.25	$2,276.79	129.98%
Mar 1, 1982	Dividend	0.004	75	28.00	$2,107.76	112.90%
May 25, 1982	Dividend	0.004	75	30.00	$2,258.63	128.14%
Aug 26, 1982	Dividend	0.004	75	29.75	$2,240.12	126.27%
Dec 15, 1982	Dividend	0.005	75	38.63	$2,909.11	193.85%
Feb 28, 1983	Dividend	0.005	75	42.63	$3,210.68	224.31%
May 25, 1983	Dividend	0.005	75	47.00	$3,540.16	257.59%
Aug 26, 1983	Dividend	0.005	75	45.25	$3,408.69	244.31%
Dec 14, 1983	Dividend	0.005	75	49.25	$3,710.40	274.79%
Feb 27, 1984	Dividend	0.005	75	44.13	$3,325.06	235.86%
May 25, 1984	Dividend	0.005	75	43.25	$3,259.15	229.21%
Aug 31, 1984	Dividend	0.005	75	48.87	$3,683.04	272.02%
Dec 13, 1984	Dividend	0.006	75	47.37	$3,570.47	260.65%
Feb 25, 1985	Dividend	0.006	75	61.75	$4,654.82	370.18%
May 24, 1985	Dividend	0.006	75	70.25	$5,296.03	434.95%
Aug 26, 1985	Dividend	0.006	75	60.50	$4,561.47	360.75%
Dec 13, 1985	Dividend	0.003	75	80.50	$6,069.58	513.09%
Jan 3, 1986	Stock Split		226	28.25	$6,390.02	545.46%
Feb 24, 1986	Dividend	0.008	226	30.00	$6,787.56	585.61%
May 23, 1986	Dividend	0.008	226	34.75	$7,863.95	694.34%
Aug 26, 1986	Dividend	0.008	226	35.00	$7,922.23	700.23%
Dec 9, 1986	Dividend	0.009	226	38.00	$8,603.25	769.02%
Feb 23, 1987	Dividend	0.009	226	45.00	$10,190.05	929.30%
May 26, 1987	Dividend	0.009	226	43.50	$9,852.36	895.19%
Aug 26, 1987	Dividend	0.009	226	49.75	$11,269.91	1,038.38%
Dec 15, 1987	Dividend	0.010	226	36.00	$8,157.38	723.98%
Feb 24, 1988	Dividend	0.010	226	43.50	$9,859.09	895.87%
May 25, 1988	Dividend	0.010	226	44.75	$10,144.67	924.71%
Aug 26, 1988	Dividend	0.010	226	44.00	$9,976.91	907.77%
Dec 14, 1988	Dividend	0.011	226	46.00	$10,432.96	953.83%
Feb 27, 1989	Dividend	0.011	226	47.25	$10,719.02	982.73%
May 25, 1989	Dividend	0.011	226	50.25	$11,402.14	1,051.73%
Aug 28, 1989	Dividend	0.011	226	49.25	$11,177.79	1,029.07%
Dec 13, 1989	Dividend	0.013	227	57.25	$12,996.30	1,212.76%
Feb 26, 1990	Dividend	0.013	227	56.50	$12,828.88	1,195.85%
May 25, 1990	Dividend	0.013	227	65.50	$14,875.26	1,402.55%
Aug 27, 1990	Dividend	0.013	227	56.75	$12,890.95	1,202.12%
Dec 12, 1990	Dividend	0.007	227	56.50	$12,835.72	1,196.54%
Jan 3, 1991	Stock Split		454	30.50	$13,858.03	1,299.80%
Feb 25, 1991	Dividend	0.014	454	34.50	$15,681.73	1,484.01%
May 24, 1991	Dividend	0.014	454	38.00	$17,278.88	1,645.34%
Aug 26, 1991	Dividend	0.014	454	40.50	$18,421.90	1,760.80%
Dec 13, 1991	Dividend	0.016	455	43.50	$19,793.59	1,899.35%
Feb 24, 1992	Dividend	0.016	455	47.25	$21,507.05	2,072.43%
May 26, 1992	Dividend	0.016	455	48.50	$22,083.13	2,130.62%
Aug 26, 1992	Dividend	0.016	455	48.00	$21,862.59	2,108.34%
Dec 15, 1992	Dividend	0.018	455	57.00	$25,970.08	2,523.24%
Feb 23, 1993	Dividend	0.018	455	47.00	$21,422.19	2,063.86%
May 25, 1993	Dividend	0.018	455	48.50	$22,114.14	2,133.75%
Aug 26, 1993	Dividend	0.018	456	50.00	$22,806.34	2,203.67%
Dec 9, 1993	Dividend	0.021	456	46.38	$21,164.58	2,037.84%
Feb 23, 1994	Dividend	0.021	456	52.00	$23,738.56	2,297.84%
May 25, 1994	Dividend	0.021	456	42.25	$19,297.00	1,849.19%
Aug 26, 1994	Dividend	0.021	457	34.50	$15,766.74	1,492.60%
Dec 9, 1994	Dividend	0.023	457	32.75	$14,977.26	1,412.85%
Feb 23, 1995	Dividend	0.023	457	36.75	$16,816.83	1,598.67%
May 25, 1995	Dividend	0.023	457	45.75	$20,945.53	2,015.71%
Aug 30, 1995	Dividend	0.023	458	48.00	$21,985.94	2,120.80%
Dec 13, 1995	Dividend	0.028	458	50.50	$23,143.64	2,237.74%
Feb 28, 1996	Dividend	0.028	458	58.38	$26,767.57	2,603.80%
May 30, 1996	Dividend	0.028	458	57.38	$26,321.67	2,558.76%
Aug 28, 1996	Dividend	0.028	458	54.00	$24,783.80	2,403.41%
Dec 12, 1996	Dividend	0.016	459	60.38	$27,719.13	2,699.91%
Jan 3, 1997	Stock Split		918	30.63	$28,123.12	2,740.72%
Feb 27, 1997	Dividend	0.031	919	30.63	$28,151.82	2,743.62%
May 29, 1997	Dividend	0.031	920	30.25	$27,831.28	2,711.24%
Aug 28, 1997	Dividend	0.031	920	32.56	$29,985.33	2,928.82%
Dec 11, 1997	Dividend	0.035	921	37.81	$34,852.42	3,420.45%
Feb 26, 1998	Dividend	0.035	922	39.44	$36,387.18	3,575.47%
May 28, 1998	Dividend	0.035	923	37.50	$34,629.63	3,397.94%
Aug 28, 1998	Dividend	0.035	924	27.44	$25,371.98	2,462.83%
Dec 11, 1998	Dividend	0.036	925	28.63	$26,505.82	2,577.36%
Feb 25, 1999	Dividend	0.036	927	26.44	$24,511.87	2,375.95%
May 27, 1999	Dividend	0.036	928	31.50	$29,236.48	2,853.18%
Aug 30, 1999	Dividend	0.036	929	32.50	$30,198.26	2,950.33%
Dec 13, 1999	Dividend	0.039	930	29.00	$26,982.15	2,625.47%
Feb 28, 2000	Dividend	0.039	931	23.06	$21,491.51	2,070.86%
May 30, 2000	Dividend	0.039	933	34.63	$32,310.66	3,163.70%
Aug 30, 2000	Dividend	0.039	934	29.44	$27,504.42	2,678.23%
Dec 13, 2000	Dividend	0.041	935	37.56	$35,129.09	3,448.39%
Mar 1, 2001	Dividend	0.041	936	43.63	$40,844.83	4,025.74%
May 30, 2001	Dividend	0.041	936	46.52	$43,588.96	4,302.93%
Aug 29, 2001	Dividend	0.041	937	44.69	$41,912.91	4,133.63%
Dec 12, 2001	Dividend	0.043	938	40.22	$37,760.54	3,714.20%
Feb 27, 2002	Dividend	0.043	939	45.31	$42,579.18	4,200.93%
May 29, 2002	Dividend	0.043	940	48.56	$45,673.25	4,513.46%
Aug 28, 2002	Dividend	0.043	941	49.72	$46,804.26	4,627.70%
Dec 11, 2002	Dividend	0.045	942	49.21	$46,366.53	4,583.49%
Feb 26, 2003	Dividend	0.045	943	43.25	$40,793.31	4,020.54%
May 28, 2003	Dividend	0.045	944	52.23	$49,305.67	4,880.37%
Aug 28, 2003	Dividend	0.080	945	55.12	$52,109.39	5,163.58%
Nov 26, 2003	Dividend	0.080	946	54.13	$51,249.09	5,076.68%
Feb 26, 2004	Dividend	0.085	948	57.19	$54,226.71	5,377.45%
May 27, 2004	Dividend	0.085	949	57.51	$54,610.72	5,416.24%
Aug 30, 2004	Dividend	0.085	951	56.12	$53,371.51	5,291.06%
Nov 29, 2004	Dividend	0.085	952	59.92	$57,066.24	5,664.27%
Feb 25, 2005	Dividend	0.095	953	62.63	$59,737.65	5,934.11%
May 27, 2005	Dividend	0.095	955	60.24	$57,548.64	5,713.00%
Aug 30, 2005	Dividend	0.095	956	61.49	$58,833.55	5,842.78%
Nov 29, 2005	Dividend	0.095	958	66.06	$63,297.01	6,293.64%
Feb 27, 2006	Dividend	0.105	959	64.77	$62,161.58	6,178.95%
May 30, 2006	Dividend	0.105	961	68.97	$66,293.20	6,596.29%
Aug 30, 2006	Dividend	0.105	962	72.55	$69,835.19	6,954.06%
Nov 29, 2006	Dividend	0.105	963	76.39	$73,632.56	7,337.63%
Jan 3, 2007	Dividend	1.000	1,977	38.89	$76,900.20	7,667.70%
Jan 3, 2007	Stock Split		1,977	38.89	$76,900.20	7,667.70%
Feb 27, 2007	Dividend	0.115	1,982	41.35	$81,991.94	8,182.02%
May 30, 2007	Dividend	0.115	1,988	43.29	$86,066.75	8,593.61%
Aug 29, 2007	Dividend	0.115	1,993	44.75	$89,198.08	8,909.91%
Nov 28, 2007	Dividend	0.115	1,997	52.50	$104,875.02	10,493.44%
Feb 27, 2008	Dividend	0.130	2,002	56.89	$113,904.26	11,405.48%
May 28, 2008	Dividend	0.130	2,006	57.94	$116,266.83	11,644.13%
Aug 28, 2008	Dividend	0.130	2,011	57.82	$116,286.90	11,646.15%
Nov 26, 2008	Dividend	0.130	2,017	42.55	$85,837.51	8,570.46%
Feb 26, 2009	Dividend	0.145	2,025	35.12	$71,141.24	7,085.99%
May 28, 2009	Dividend	0.145	2,031	48.00	$97,525.49	9,751.06%
Aug 28, 2009	Dividend	0.145	2,037	51.23	$104,382.75	10,443.71%
Nov 27, 2009	Dividend	0.145	2,043	53.06	$108,406.87	10,850.19%
Feb 25, 2010	Dividend	0.160	2,050	47.36	$97,088.10	9,706.88%
May 27, 2010	Dividend	0.160	2,056	53.81	$110,638.61	11,075.62%
Aug 30, 2010	Dividend	0.160	2,062	52.74	$108,767.56	10,886.63%
Nov 29, 2010	Dividend	0.160	2,067	63.78	$131,865.72	13,219.77%
Feb 25, 2011	Dividend	0.180	2,073	62.89	$130,397.79	13,071.50%
May 27, 2011	Dividend	0.180	2,078	69.76	$145,015.44	14,548.03%
Aug 30, 2011	Dividend	0.180	2,084	64.36	$134,164.23	13,451.95%
Nov 29, 2011	Dividend	0.180	2,090	61.06	$127,660.31	12,794.98%
Feb 7, 2012	Current Investment		2,090	71.32	$149,111.26	14,961.75%

The Investment Calculator page and related information is provided by Mergent, a third party service. Sigma-Aldrich Corporation does not maintain this page and is not responsible for the accuracy, completeness or timeliness of the information. The results are for illustrative purposes only and should not be relied on for investment purposes. The timing and price of dividend reinvestments, taxes, commissions and other factors may affect the values shown. Please note that historical investment performance is not intended to indicate future performance.

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