PAA NAT GAS STORAGE L P

CUSIP: 693139107 Class: COM UNIT LTD

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2013
Shares 1,680 Value ($000) $39 Avg Close — Range —
Q3 2013
Shares 1,980 Value ($000) $46 Avg Close — Range —