Gray Madeline Bates

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ISCA, ISCB	$23.00	56	$1,288.00	18,157,770	2011-09-26	Filing
ISCA, ISCB	$24.17	40	$966.80	18,157,714	2011-09-02	Filing
ISCA, ISCB	$23.77	57	$1,354.89	18,157,674	2011-08-09	Filing
ISCA, ISCB	$29.69	141	$4,186.29	18,157,617	2011-07-11	Filing
ISCA, ISCB	$30.92	125	$3,865.00	18,157,476	2011-07-07	Filing
ISCA, ISCB	$29.63	125	$3,703.75	18,157,351	2011-07-05	Filing
ISCA, ISCB	$28.81	40	$1,152.40	18,157,226	2011-05-31	Filing
ISCA, ISCB	$29.70	195	$5,791.50	18,157,186	2011-05-09	Filing
ISCA, ISCB	$30.97	287	$8,888.39	18,156,991	2011-04-20	Filing
ISCA, ISCB	$30.70	287	$8,810.90	18,156,704	2011-04-19	Filing
ISCA, ISCB	$30.25	287	$8,681.75	18,156,417	2011-04-18	Filing
ISCA, ISCB	$30.99	239	$7,406.61	18,156,130	2011-04-15	Filing
ISCA, ISCB	$29.64	79	$2,341.56	18,155,891	2011-03-24	Filing
ISCA, ISCB	$27.39	33	$903.87	18,155,812	2011-03-01	Filing
ISCA, ISCB	$29.39	32	$940.48	18,155,779	2011-02-23	Filing
ISCA, ISCB	$29.10	131	$3,812.10	18,155,747	2011-01-28	Filing
ISCA, ISCB	$29.00	131	$3,799.00	18,155,616	2011-01-26	Filing
ISCA, ISCB	$29.10	121	$3,521.10	18,155,485	2011-01-21	Filing
ISCA, ISCB	$28.50	121	$3,448.50	18,155,364	2011-01-19	Filing
ISCA, ISCB	$25.83	63	$1,627.29	18,155,243	2011-01-10	Filing