PETROHAWK ENERGY CORP

CUSIP: 716495106 Class: COM

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q1 2008
Shares 110,999 Value ($000) $2,238 Avg Close — Range —
Q4 2007
Shares 192,669 Value ($000) $2,215 Avg Close — Range —
Q3 2007
Shares 187,069 Value ($000) $3,071 Avg Close — Range —
Q2 2007
Shares 187,069 Value ($000) $2,966 Avg Close — Range —
Q1 2007
Shares 187,069 Value ($000) $2,463 Avg Close — Range —
Q4 2006
Shares 192,669 Value ($000) $2,215 Avg Close — Range —