“Performance Grant” means a Grant of Performance Shares, Performance Units or Performance-Based Restricted Stock.

Grant of Performance Restricted Stock Units. The Company hereby awards to the Participant pursuant to the Plan the number of performance restricted stock units (“Performance RSUs”) as set forth in Exhibit A. A Performance RSU constitutes an unfunded and unsecured promise of the Company to deliver (or cause to be delivered) to the Participant, subject to the terms of this Award and the Plan, one share of the Company’s common stock, par value $.01 (“Share”) for each Performance RSU that vests in accordance with the terms and conditions of Section 2 below and Exhibit A. Until delivery of the Shares, the Participant has only the rights of a general unsecured creditor of the Company, and no rights as a shareholder of the Company.

The Plan permits the grant of Cash-Based Awards, Non-Qualified Stock Options, Incentive Stock Options, Stock Appreciation Rights, Restricted Stock, Restricted Stock Units, Performance Shares, Performance Units, and Other Stock-Based Awards.

Restricted Stock Units Grant. Effective for service on or after October 1, 2008 to be granted January 1, 2009 and on the first day of each succeeding calendar quarter, each Outside Director who is then a member of the Board of Directors and served as a member of the Board for any portion of the calendar quarter ended immediately prior to such day, will be granted the number of Restricted Stock Units that will be equal to the applicable Equity Grant Amount (or the pro-rata amount based on the number of days of service in the quarter if the Outside Director did not serve the whole quarter) divided by the Fair Market Value of Common Stock for such grant date, or if the New York Stock Exchange is not open for trading on such date, the grant date shall be the next following trading date. For the last quarterly grant with respect to the last quarter of Board service, any fractional amount of the applicable Equity Grant Amount (or the pro-rata amount based on the number of days of service in the quarter if the Outside Director did not serve the whole quarter) that is not utilized in converting the grant into whole shares of Restricted Stock when added to any outstanding fractional Restricted Stock Unit shall be paid in cash when the shares are distributed pursuant to 10.(C). Effective for grants made in respect of service on or after October 1, 2010, the Restricted Stock Units are further restricted by only ratably vesting over three years, subject to accelerated full vesting upon becoming a Retired Outside Director.

“Award” means, individually or collectively, a grant under the Plan of Notes, Options, SARs, Restricted Stock, Restricted Stock Units, Performance Units, Performance Shares, Other Stock-Based Awards, or Performance Cash Awards.

I will be allowed to retain the 2017 Time-based Restricted Stock Units and the 2017 Performance-based Restricted Stock Units with a three-year performance period granted on March 2, 2017; however, the Performance-based Restricted Stock Unit grant with a one-year performance period granted on March 2, 2017, is cancelled.

“Grant” means individually or collectively, an award granted under the Plan of Incentive Stock Options or Non-Qualified Stock Options (Incentive Stock Options and Non-statutory Stock Options are collectively referred to as “Options”), Restricted Stock, Restricted Stock Units, Stock Appreciation Rights, Performance Shares, Performance Units, Performance-Based Restricted Stock, Unrestricted Stock and/or Other Stock-Based Grants (hereinafter collectively referred to as “Grants”).

Grant of Restricted Stock Units. ​ hereby grants to the Participant the number Restricted Stock Units specified in the grant summary for no cash consideration. The Restricted Stock Units shall be subject to the terms and conditions in this Agreement and the Plan. The Participant acknowledges receipt of a copy of the Plan and the Plan Prospectus. Capitalized terms not defined in this Agreement shall have the meaning ascribed to such terms in the Plan. The grant date shall be as specified on the Participant’s individual grant summary (“Grant Date”) and subject to the following terms and conditions:

Grant of Restricted Stock Units. The Company, pursuant to the ​ Second Amended and Restated 2010 Long Term Incentive Plan (the “Plan”), which is incorporated herein by reference, and subject to the terms and conditions thereof and of this Agreement, hereby grants to Awardee (also referred to as “you”) Restricted Stock Units (the “Units”). Your failure to execute and/or electronically sign and return a copy of this Agreement within 30 days of receipt shall automatically effect a cancellation and forfeiture of the Units, except as determined by the Company in its sole discretion.

Grant of Restricted Stock Units. The Company hereby grants to you, subject to the terms and conditions in this Agreement and the Plan, an Award of the number of restricted Stock Units (“Units”) specified on the cover page of this Agreement, each representing the right to receive one Share of the Company’s Stock. The Units granted to you will be credited to an account in your name maintained by the Company. This account shall be unfunded and maintained for book-keeping purposes only, with the Units simply representing an unfunded and unsecured obligation of the Company.