PAA NAT GAS STORAGE L P

CUSIP: 693139107 Class: COM UNIT LTD

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

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

Q4 2013
Shares 1,500 Value ($000) $35 Avg Close — Range —
Q3 2013
Shares 1,300 Value ($000) $30 Avg Close — Range —
Q2 2013
Shares 1,200 Value ($000) $25 Avg Close — Range —