Fort Worth, Texas-based XTO Energy Inc. (NYSE: XTO), a subsidiary of Irving, Texas-based Exxon Mobil Corp. (NYSE: XOM), has commenced a cash tender offer for any and all of its outstanding debt securities with a total principal amount outstanding of approximately $3.831 billion.

The redemptions consist of approximately $346.9 million of 7.5% senior notes due 2012; approximately $550 million of 5.9% senior notes due 2012; approximately $386.27 million of 6.25% senior notes due 2013; approximately $400 million of 4.625% of senior notes due 2013; approximately $500 million of 5.75% senior notes due 2013; approximately $500 million of senior notes due 2014; approximately $348 million of 5% senior notes due 2015; approximately $400 million of 5.3% senior notes due 2015; and approximately $400 million of 5.65% senior notes due 2016.

XTO has retained Barclays Capital Inc. and J.P. Morgan Securities LLC as dealer managers.