Gray Madeline Bates

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ISCA, ISCB	$25.40	393	$9,982.20	18,131,717	2009-07-08	Filing
ISCA, ISCB	$25.74	413	$10,630.62	18,131,324	2009-07-02	Filing
ISCA, ISCB	$25.98	425	$11,041.50	18,130,911	2009-06-24	Filing
ISCA, ISCB	$25.79	425	$10,960.75	18,130,486	2009-06-23	Filing
ISCA, ISCB	$26.44	150	$3,966.00	18,130,061	2009-06-09	Filing
ISCA, ISCB	$26.23	185	$4,852.55	18,129,911	2009-06-05	Filing
ISCA, ISCB	$25.84	185	$4,780.40	18,129,726	2009-06-03	Filing
ISCA, ISCB	$22.57	353	$7,967.21	18,129,541	2009-05-13	Filing
ISCA, ISCB	$24.88	373	$9,280.24	18,129,188	2009-05-07	Filing
ISCA, ISCB	$24.88	373	$9,280.24	18,128,815	2009-05-06	Filing
ISCA, ISCB	$23.64	373	$8,817.72	18,128,442	2009-05-05	Filing
ISCA, ISCB	$22.64	370	$8,376.80	18,128,069	2009-04-24	Filing
ISCA, ISCB	$22.43	370	$8,299.10	18,127,699	2009-04-22	Filing
ISCA, ISCB	$19.64	301	$5,911.64	18,127,329	2009-04-15	Filing
ISCA, ISCB	$20.00	301	$6,020.00	18,127,028	2009-04-13	Filing
ISCA, ISCB	$20.19	881	$17,787.39	18,126,727	2009-04-07	Filing
ISCA, ISCB	$21.40	961	$20,565.40	18,125,846	2009-03-23	Filing
ISCA, ISCB	$20.35	995	$20,248.25	18,124,885	2009-03-18	Filing
ISCA, ISCB	$18.30	436	$7,978.80	18,123,890	2009-03-11	Filing
ISCA, ISCB	$17.67	436	$7,704.12	18,126,537	2009-03-10	Filing