CORPORATE EXECUTIVE BRD CO

CUSIP: 21988R102 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2015
Shares 9 Value ($000) $0 Avg Close — Range —
Q4 2014
Shares 145 Value ($000) $11 Avg Close — Range —