BP PLC

Ticker: BP CUSIP: 055622104 Class: SPONSORED ADR

TETRAD CORP's Holding History (CIK: 0000883597)

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

Q1 2013
Shares 15,600 Value ($000) $661 Avg Close — Range —
Q4 2012
Shares 15,600 Value ($000) $650 Avg Close — Range —
Q3 2012
Shares 15,600 Value ($000) $661 Avg Close — Range —
Q2 2012
Shares 15,600 Value ($000) $632 Avg Close — Range —
Q1 2012
Shares 13,800 Value ($000) $621 Avg Close — Range —
Q4 2011
Shares 13,000 Value ($000) $556 Avg Close — Range —
Q3 2011
Shares 13,000 Value ($000) $469 Avg Close — Range —
Q2 2011
Shares 11,500 Value ($000) $509 Avg Close — Range —
Q1 2011
Shares 11,500 Value ($000) $508 Avg Close — Range —
Q4 2010
Shares 11,500 Value ($000) $508 Avg Close — Range —