CORE MARK HOLDING CO INC

CUSIP: 218681104 Class: COMMON STOCK

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q1 2015
Shares 146,513 Value ($000) $9,424 Avg Close — Range —
Q4 2014
Shares 175,687 Value ($000) $10,880 Avg Close — Range —
Q3 2014
Shares 177,847 Value ($000) $9,433 Avg Close — Range —
Q2 2014
Shares 220,804 Value ($000) $10,075 Avg Close — Range —
Q1 2014
Shares 146,297 Value ($000) $10,620 Avg Close — Range —
Q4 2013
Shares 123,726 Value ($000) $9,394 Avg Close — Range —
Q3 2013
Shares 94,826 Value ($000) $6,299 Avg Close — Range —
Q2 2013
Shares 94,156 Value ($000) $5,978 Avg Close — Range —