Marathon Oil Corp. (NYSE: MRO) is providing additional information on completed, announced and potential divestitures and acquisitions.

As previously announced, Marathon Oil anticipates divestitures of $1.5 billion to $3 billion over the period of 2011 through 2013 in an ongoing effort to optimize the company’s portfolio for profitable growth. To date, the company has entered into agreements for approximately $1.1 billion in divestitures, of which more than $700 million have been completed.

Included in the $1.1 billion noted above is the pending sale of the company’s Alaska Cook Inlet assets ...