WARREN RES INC

CUSIP: 93564A100 Class: COM

TETRAD CORP's Holding History (CIK: 0000883597)

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

Q1 2013
Shares 173,300 Value ($000) $556 Avg Close — Range —
Q4 2012
Shares 173,300 Value ($000) $487 Avg Close — Range —
Q3 2012
Shares 173,300 Value ($000) $527 Avg Close — Range —
Q2 2012
Shares 173,300 Value ($000) $416 Avg Close — Range —
Q1 2012
Shares 152,500 Value ($000) $497 Avg Close — Range —
Q4 2011
Shares 143,300 Value ($000) $467 Avg Close — Range —
Q3 2011
Shares 143,300 Value ($000) $341 Avg Close — Range —
Q2 2011
Shares 125,000 Value ($000) $476 Avg Close — Range —
Q1 2011
Shares 100,000 Value ($000) $509 Avg Close — Range —
Q4 2010
Shares 100,000 Value ($000) $452 Avg Close — Range —