The purposes of this American Electric Power Company, Inc. Stock Unit Accumulation Plan For Non-Employee Directors (the “Plan”) are to enable the Company to attract and retain qualified persons to serve as Non-Employee Directors, to solidify the common interests of its Non-Employee Directors and shareholders by enhancing the equity interest of Non-Employee Directors in the Company, and to encourage the highest level of Non-Employee Director performance by providing such Non-Employee Directors with a proprietary interest in the Company’s performance and progress by providing a portion of the compensation of the Non-Employee Directors in deferred Stock Units.