Marathon Oil (MRO)

Exploration and Production (“Upstream”)

Metrics apply to Mr. Hinchman and Mr. Behrman.

(a)          The comparator companies for the upstream adjusted net income per barrel measure were Hess, BP, Chevron, ConocoPhillips, Exxon Mobil, Murphy, Occidental and Royal Dutch Shell. The original list also included Kerr McGee, but Kerr McGee was excluded from the final calculation since it was acquired by Anadarko in 2006. This metric is calculated as our Exploration and Production segment income, as presented in our audited consolidated financial statements, divided by our worldwide sales volumes from continuing operations measured in barrels of oil equivalent. To ensure consistency of this metric when comparing to our peers, adjustments to peer company segment income, as presented in their audited financial statements, are sometimes necessary to exclude certain unusual items reflected in their results.

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(b)         This metric is calculated from the “Estimated Quantities of Proved Oil and Gas Reserves” table in the “Supplementary Information on Oil and Gas Producing Activities (Unaudited)” section of our Form 10-K. The metric includes the following liquid hydrocarbon and natural gas volumes from that table, as converted into barrels of oil equivalent:

·              Revisions of previous estimates;

·              Improved recovery; and

·              Extensions, discoveries and other additions.

(c)          This metric is calculated using specific costs incurred in the operations of the Exploration and Production segment as the numerator and sales volumes of the Exploration and Production segment, measured in barrels of oil equivalent, as the denominator. It incorporates costs of producing hydrocarbons for sale; therefore, certain costs such as asset value impairments, exploration expense and costs impacted by fluctuations in hydrocarbon prices are excluded.