William C. France Family Trust Dated November 4, 2004

Insider Trading: Purchases
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ISCA, ISCB $23.00 56 Large Shareholder, Other 17,691,101 2011-09-26 Filing
ISCA, ISCB $24.17 40 Large Shareholder, Other 17,918,424 2011-09-02 Filing
ISCA, ISCB $23.77 57 Large Shareholder, Other 17,918,384 2011-08-09 Filing
ISCA, ISCB $29.69 141 Large Shareholder, Other 17,918,327 2011-07-11 Filing
ISCA, ISCB $30.92 125 Large Shareholder, Other 17,918,186 2011-07-07 Filing
ISCA, ISCB $29.63 125 Large Shareholder, Other 17,918,061 2011-07-05 Filing
ISCA, ISCB $28.81 40 Large Shareholder, Other 17,917,936 2011-05-31 Filing
ISCA, ISCB $29.70 195 Large Shareholder, Other 17,917,896 2011-05-09 Filing
ISCA, ISCB $30.97 287 Large Shareholder, Other 17,917,701 2011-04-20 Filing
ISCA, ISCB $30.70 287 Large Shareholder, Other 17,917,414 2011-04-19 Filing
ISCA, ISCB $30.25 287 Large Shareholder, Other 17,917,127 2011-04-18 Filing
ISCA, ISCB $30.99 239 Large Shareholder, Other 17,916,840 2011-04-15 Filing
ISCA, ISCB $29.64 79 Large Shareholder, Other 17,916,601 2011-03-24 Filing
ISCA, ISCB $27.39 33 Large Shareholder, Other 17,916,522 2011-03-01 Filing
ISCA, ISCB $29.39 32 Large Shareholder, Other 17,916,489 2011-02-23 Filing
ISCA, ISCB $29.10 131 Large Shareholder, Other 17,916,457 2011-01-28 Filing
ISCA, ISCB $29.00 131 Large Shareholder, Other 17,916,326 2011-01-26 Filing
ISCA, ISCB $29.10 121 Large Shareholder, Other 17,916,195 2011-01-21 Filing
ISCA, ISCB $28.50 121 Large Shareholder, Other 17,916,074 2011-01-19 Filing
ISCA, ISCB $25.83 63 Large Shareholder, Other 17,915,953 2011-01-10 Filing