LYONDELL CHEMICAL CO

CUSIP: 552078107 Class: COMMON STOCK

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

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

Q4 2007
Shares 14,298 Value ($000) $365 Avg Close — Range —
Q3 2007
Shares 17,911 Value ($000) $830 Avg Close — Range —
Q2 2007
Shares 19,416 Value ($000) $720 Avg Close — Range —
Q1 2007
Shares 14,548 Value ($000) $436 Avg Close — Range —
Q4 2006
Shares 14,298 Value ($000) $365 Avg Close — Range —