MARATHON OIL CORP

CUSIP: 565849106 Class: COM

Choate Investment Advisors's Holding History (CIK: 0001399794)

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

Q4 2015
Shares 20,807 Value ($000) $588,630 Avg Close — Range —
Q3 2015
Shares 20,600 Value ($000) $317,240 Avg Close — Range —
Q2 2015
Shares 20,750 Value ($000) $550,705 Avg Close — Range —
Q1 2015
Shares 20,807 Value ($000) $543,271 Avg Close — Range —
Q4 2014
Shares 20,807 Value ($000) $588,630 Avg Close — Range —
Q3 2014
Shares 21,825 Value ($000) $820,402 Avg Close — Range —
Q2 2014
Shares 21,225 Value ($000) $847,302 Avg Close — Range —
Q1 2014
Shares 21,645 Value ($000) $768,830 Avg Close — Range —
Q4 2013
Shares 21,245 Value ($000) $749,949 Avg Close — Range —
Q3 2013
Shares 21,245 Value ($000) $741,026 Avg Close — Range —
Q2 2013
Shares 21,245 Value ($000) $734,652 Avg Close — Range —