MARATHON OIL CORP

CUSIP: 565849106 Class: COM

Northwest & Ethical Investments L.P.'s Holding History (CIK: 0002033536)

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

Q2 2011
Shares 36,500 Value ($000) $1,923 Avg Close — Range —
Q1 2011
Shares 29,000 Value ($000) $1,546 Avg Close — Range —
Q4 2010
Shares 9,000 Value ($000) $333 Avg Close — Range —
Q3 2010
Shares 9,000 Value ($000) $298 Avg Close — Range —
Q2 2010
Shares 9,000 Value ($000) $280 Avg Close — Range —