CALLON PETE CO DEL

CUSIP: 13123X102 Class: COM

TETRAD CORP's Holding History (CIK: 0000883597)

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

Q1 2013
Shares 110,200 Value ($000) $408 Avg Close — Range —
Q4 2012
Shares 110,200 Value ($000) $518 Avg Close — Range —
Q3 2012
Shares 110,200 Value ($000) $678 Avg Close — Range —
Q2 2012
Shares 110,200 Value ($000) $469 Avg Close — Range —
Q1 2012
Shares 96,900 Value ($000) $610 Avg Close — Range —
Q4 2011
Shares 91,000 Value ($000) $452 Avg Close — Range —
Q3 2011
Shares 91,000 Value ($000) $352 Avg Close — Range —
Q2 2011
Shares 80,000 Value ($000) $562 Avg Close — Range —
Q1 2011
Shares 80,000 Value ($000) $622 Avg Close — Range —
Q4 2010
Shares 80,000 Value ($000) $474 Avg Close — Range —