B Thomas Perkins

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
CORE	$34.45	100	$3,445.00	28,239	2011-01-18	Filing
CORE	$34.45	300	$10,334.01	28,339	2011-01-18	Filing
CORE	$34.45	500	$17,222.50	28,639	2011-01-18	Filing
CORE	$34.44	1,600	$55,108.96	29,139	2011-01-18	Filing
CORE	$34.44	143	$4,924.92	30,739	2011-01-18	Filing
CORE	$34.38	520	$17,877.60	30,882	2011-01-18	Filing
CORE	$34.35	602	$20,678.70	31,402	2011-01-18	Filing
CORE	$34.34	104	$3,571.26	32,004	2011-01-18	Filing
CORE	$34.33	501	$17,199.33	32,108	2011-01-18	Filing
CORE	$34.30	181	$6,208.30	32,609	2011-01-18	Filing
CORE	$34.29	500	$17,145.00	32,790	2011-01-18	Filing
CORE	$34.28	177	$6,067.56	33,290	2011-01-18	Filing
CORE	$34.27	417	$14,290.59	33,467	2011-01-18	Filing
CORE	$34.26	100	$3,426.00	33,884	2011-01-18	Filing
CORE	$34.25	1,311	$44,901.75	33,984	2011-01-18	Filing
CORE	$34.24	1,100	$37,664.00	35,295	2011-01-18	Filing
CORE	$34.23	100	$3,423.00	36,395	2011-01-18	Filing
CORE	$34.23	100	$3,422.50	36,495	2011-01-18	Filing
CORE	$34.21	100	$3,421.00	36,595	2011-01-18	Filing
CORE	$28.42	1,500	$42,628.05	19,480	2010-09-15	Filing