CORE MARK HOLDING CO INC

CUSIP: 218681104 Class: COMMON STOCK

WYNNEFIELD CAPITAL INC's Holding History (CIK: 0001251567)

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

Q3 2013
Shares 405,010 Value ($000) $26,576 Avg Close — Range —
Q2 2013
Shares 550,000 Value ($000) $34,290 Avg Close — Range —