Cost Basis Information
Marathon Petroleum Corporation merger with Andeavor – October 1, 2018
On October 1, 2018, Marathon Petroleum Corporation acquired all of the outstanding shares of Andeavor common stock. Pursuant to the Agreement and Plan of Merger, Andeavor stockholders could make an election for each outstanding share of Andeavor common stock to be cancelled in exchange for either $152.27 of cash or 1.87 shares of MPC common stock.
For reference, stockholders of record of Andeavor who validly elected to receive the stock consideration of 1.87 shares of MPC common stock per share of Andeavor common stock, and stockholders of record of Andeavor who failed to make a valid election prior to the 5:00 p.m. Eastern Daylight Time deadline on September 27, 2018, each received per share of Andeavor common stock, subject to rounding, 1.62685156 shares of MPC common stock and $19.799044, with cash in lieu of any fractional share of MPC common stock at the rate of $84.36 per share.
Andeavor (formerly Tesoro Corporation) acquisition of Western Refining, Inc. – June 1, 2017
Marathon Petroleum Corporation spin-off from Marathon Oil Corporation - June 30, 2011
On June 30, 2011, Marathon Petroleum Corporation became an independent company following a spin-off from Marathon Oil Corporation. The holders of Marathon Oil Corporation common stock received one share of Marathon Petroleum Corporation common stock for every two shares of Marathon Oil Corporation common stock held on June 27, 2011. Cost basis information related to the spin-off.