Item 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

We incorporate by reference in this Item 12 the information relating to ownership of our common stock by certain persons contained under the headings "Common Stock Ownership-Common Stock Ownership of Management" and "Common Stock Ownership-Common Stock Ownership by Certain Other Persons" from our 2018 Proxy Statement.

The following table provides certain information as of December 31, 2017 concerning the shares of our common stock that may be issued under existing equity compensation plans. For more information on these plans, see "Note 10—Shareholders' Equity" in the notes to the accompanying consolidated financial statements.

Includes 11,046,846 shares authorized for issuance under the 2011 Incentive Plan, all of which are available for issuance pursuant to grants of full-value stock awards. Also includes 50,462 shares authorized under the Amended and Restated 2005 Incentive Plan and 106,836 shares authorized under the 2000 Director Option Plan. We do not intend to issue shares under either the Amended and Restated 2005 Incentive Plan or the 2000 Director Option Plan.