13. Merger Agreement Description of Agreement and Plan of Merger On February 13, 2013, AMR, US Airways Group, Inc., a Delaware corporation (US Airways Group), and AMR Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of AMR (Merger Sub), entered into an Agreement and Plan of Merger (the Merger Agreement), providing for a business combination of AMR and US Airways Group. The Merger Agreement provides that, upon the terms and subject to the conditions set forth in the Merger Agreement, Merger Sub will merge with and into US Airways Group (the Merger), with US Airways Group surviving as a wholly owned subsidiary of AMR. AMR and US Airways Group anticipate that immediately following the merger closing, AMR will change its name to American Airlines Group Inc. (AAG). Following the Merger, AAG will own, directly or indirectly, all of the equity interests of American, US Airways Group and their direct and indirect subsidiaries. The Merger Agreement and the transactions contemplated thereby, including the Merger, are subject to the approval of the Bankruptcy Court, and are to be effected pursuant to a plan of reorganization (the Plan) of the Debtors in connection with the Chapter 11 Cases. The Plan was filed on April 15, 2013, and is subject to confirmation and consummation in accordance with the requirements of the Bankruptcy Code. Subject to the terms and conditions of the Merger Agreement, which has been approved by the boards of directors of the respective parties, upon completion of the Merger, US Airways Group stockholders will receive one share of common stock of AAG (AAG Common Stock) for each share of US Airways Group common stock. The aggregate number of shares of AAG Common Stock issuable to holders of US Airways Group equity instruments (including stockholders and holders of convertible notes, options, stock appreciation rights and restricted stock units) will represent 28% of the diluted capitalization of AAG after giving effect to the Plan. The remaining 72% diluted equity ownership of AAG