ARENA RESOURCES INC

CUSIP: 040049108 Class: COMMON STOCK

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

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

Q1 2010
Shares 36,058 Value ($000) $1,204 Avg Close — Range —
Q4 2009
Shares 24,921 Value ($000) $1,074 Avg Close — Range —
Q3 2009
Shares 24,681 Value ($000) $876 Avg Close — Range —