Exxon Mobil CEO Rex W. Tillerson addresses reporters at a news conference at the conclusion of the Exxon Mobil Shareholders Meeting in Dallas, Texas May 27, 2009. Reuters Pictures 5 months ago

Exxon Mobil CEO Rex W. Tillerson addresses reporters at a news conference at the conclusion of the Exxon Mobil Shareholders Meeting in Dallas, Texas May 27, 2009.