CONSTELLATION ENERGY GROUP INC

CUSIP: 210371100 Class: COM

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

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

Q4 2010
Shares 14,140 Value ($000) $433 Avg Close — Range —
Q3 2010
Shares 12,137 Value ($000) $391 Avg Close — Range —
Q2 2010
Shares 12,137 Value ($000) $391 Avg Close — Range —
Q1 2010
Shares 5,520 Value ($000) $193 Avg Close — Range —
Q3 2008
Shares 17,744 Value ($000) $431 Avg Close — Range —
Q1 2008
Shares 3,490 Value ($000) $308 Avg Close — Range —
Q4 2007
Shares 15,590 Value ($000) $1,073 Avg Close — Range —
Q3 2007
Shares 26,025 Value ($000) $2,232 Avg Close — Range —
Q2 2007
Shares 15,590 Value ($000) $1,358 Avg Close — Range —
Q1 2007
Shares 15,590 Value ($000) $1,355 Avg Close — Range —
Q4 2006
Shares 15,590 Value ($000) $1,073 Avg Close — Range —