PEPCO HOLDINGS INC

CUSIP: 713291102 Class: COM

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

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

Q4 2015
Shares 136,295 Value ($000) $3,545 Avg Close — Range —
Q3 2015
Shares 52,852 Value ($000) $1,280 Avg Close — Range —
Q2 2015
Shares 6,768 Value ($000) $182 Avg Close — Range —
Q1 2015
Shares 1,996 Value ($000) $54 Avg Close — Range —
Q2 2014
Shares 2,163 Value ($000) $59 Avg Close — Range —
Q4 2013
Shares 2,590 Value ($000) $50 Avg Close — Range —
Q3 2013
Shares 2,890 Value ($000) $53 Avg Close — Range —