William C. France Family Trust Dated November 4, 2004

Insider Trading: Purchases
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ISCA, ISCB $25.25 200 Large Shareholder, Other 17,915,890 2010-12-17 Filing
ISCA, ISCB $25.10 282 Large Shareholder, Other 17,915,690 2010-12-09 Filing
ISCA, ISCB $23.50 202 Large Shareholder, Other 17,915,408 2010-11-30 Filing
ISCA, ISCB $23.12 91 Large Shareholder, Other 17,915,206 2010-11-17 Filing
ISCA, ISCB $23.22 91 Large Shareholder, Other 17,915,115 2010-11-16 Filing
ISCA, ISCB $22.84 191 Large Shareholder, Other 17,915,024 2010-10-29 Filing
ISCA, ISCB $22.64 240 Large Shareholder, Other 17,914,833 2010-10-14 Filing
ISCA, ISCB $23.26 240 Large Shareholder, Other 17,914,593 2010-10-12 Filing
ISCA, ISCB $24.25 169 Large Shareholder, Other 17,914,353 2010-10-07 Filing
ISCA, ISCB $25.50 169 Large Shareholder, Other 17,914,184 2010-10-06 Filing
ISCA, ISCB $25.00 84 Large Shareholder, Other 17,914,015 2010-09-22 Filing
ISCA, ISCB $22.73 136 Large Shareholder, Other 17,913,931 2010-08-25 Filing
ISCA, ISCB $24.00 153 Large Shareholder, Other 17,913,795 2010-08-19 Filing
ISCA, ISCB $26.05 241 Large Shareholder, Other 17,913,642 2010-08-06 Filing
ISCA, ISCB $26.00 258 Large Shareholder, Other 17,913,401 2010-07-28 Filing
ISCA, ISCB $25.40 235 Large Shareholder, Other 17,913,143 2010-07-21 Filing
ISCA, ISCB $25.00 200 Large Shareholder, Other 17,912,908 2010-07-20 Filing
ISCA, ISCB $25.30 192 Large Shareholder, Other 17,912,708 2010-07-01 Filing
ISCA, ISCB $26.07 13,170 Large Shareholder, Other 17,912,516 2010-06-30 Filing
ISCA, ISCB $27.75 386 Large Shareholder, Other 17,899,346 2010-06-14 Filing