PETROHAWK ENERGY CORP

CUSIP: 716495106 Class: COM

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2011
Shares 2,500 Value ($000) $62 Avg Close — Range —
Q1 2011
Shares 3,000 Value ($000) $74 Avg Close — Range —
Q4 2010
Shares 3,000 Value ($000) $55 Avg Close — Range —