PAA NAT GAS STORAGE L P

CUSIP: 693139107 Class: COM UNIT LTD

TETRAD CORP's Holding History (CIK: 0000883597)

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

Q4 2013
Shares 240,154 Value ($000) $5,524 Avg Close — Range —
Q3 2013
Shares 240,154 Value ($000) $5,593 Avg Close — Range —
Q2 2013
Shares 240,154 Value ($000) $5,103 Avg Close — Range —
Q1 2013
Shares 240,154 Value ($000) $5,137 Avg Close — Range —
Q4 2012
Shares 240,154 Value ($000) $4,575 Avg Close — Range —
Q3 2012
Shares 240,154 Value ($000) $4,779 Avg Close — Range —
Q2 2012
Shares 240,154 Value ($000) $4,292 Avg Close — Range —
Q1 2012
Shares 240,154 Value ($000) $4,563 Avg Close — Range —
Q4 2011
Shares 240,154 Value ($000) $4,503 Avg Close — Range —
Q3 2011
Shares 270,154 Value ($000) $4,404 Avg Close — Range —
Q2 2011
Shares 270,154 Value ($000) $6,124 Avg Close — Range —
Q1 2011
Shares 270,154 Value ($000) $6,359 Avg Close — Range —
Q4 2010
Shares 130,000 Value ($000) $3,241 Avg Close — Range —
Q3 2010
Shares 130,000 Value ($000) $3,138 Avg Close — Range —
Q2 2010
Shares 100,000 Value ($000) $2,383 Avg Close — Range —