CONSTANT CONTACT INC

CUSIP: 210313102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2015
Shares 9,800 Value ($000) $287 Avg Close — Range —
Q1 2015
Shares 1,471 Value ($000) $56 Avg Close — Range —
Q3 2014
Shares 890 Value ($000) $24 Avg Close — Range —
Q4 2013
Shares 1,721 Value ($000) $53 Avg Close — Range —
Q3 2013
Shares 4,310 Value ($000) $102 Avg Close — Range —
Q2 2013
Shares 16,266 Value ($000) $261 Avg Close — Range —