MCMORAN EXPLORATION CO

CUSIP: 582411104 Class: CMN

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2013
Shares 781,545 Value ($000) $12,779,000 Avg Close — Range —
Q4 2012
Shares 694,913 Value ($000) $11,153,000 Avg Close — Range —