Gray Madeline Bates

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ISCA, ISCB	$16.40	436	$7,150.40	18,126,101	2009-03-09	Filing
ISCA, ISCB	$17.00	298	$5,066.00	18,125,665	2009-03-05	Filing
ISCA, ISCB	$17.63	298	$5,253.74	18,125,367	2009-03-04	Filing
ISCA, ISCB	$17.75	298	$5,289.50	18,125,069	2009-03-03	Filing
ISCA, ISCB	$18.75	298	$5,587.50	18,124,771	2009-03-02	Filing
ISCA, ISCB	$19.53	302	$5,898.06	18,124,473	2009-02-26	Filing
ISCA, ISCB	$20.07	302	$6,061.14	18,124,171	2009-02-23	Filing
ISCA, ISCB	$21.40	349	$7,468.60	18,123,869	2009-02-18	Filing
ISCA, ISCB	$21.73	349	$7,583.77	18,123,520	2009-02-17	Filing
ISCA, ISCB	$21.73	349	$7,583.77	18,123,520	2009-02-17	Filing
ISCA, ISCB	$22.20	274	$6,082.80	18,123,171	2009-02-12	Filing
ISCA, ISCB	$22.20	274	$6,082.80	18,123,171	2009-02-12	Filing
ISCA, ISCB	$23.20	274	$6,356.80	18,122,897	2009-02-10	Filing
ISCA, ISCB	$24.47	274	$6,704.78	18,122,623	2009-02-09	Filing
ISCA, ISCB	$23.26	306	$7,117.56	18,122,349	2009-02-02	Filing
ISCA, ISCB	$24.75	326	$8,068.50	18,122,043	2009-01-30	Filing
ISCA, ISCB	$25.98	326	$8,469.48	18,121,717	2009-01-29	Filing
ISCA, ISCB	$26.60	326	$8,671.60	18,121,391	2009-01-26	Filing
ISCA, ISCB	$26.14	204	$5,332.56	18,121,065	2009-01-21	Filing
ISCA, ISCB	$27.15	204	$5,538.60	18,120,861	2009-01-20	Filing