denominated in Canadian Dollars, the rate per annum equal to the Canadian Dealer Offered Rate (“CDOR”) or, if CDOR is unavailable, a comparable or successor rate which rate is approved by the [[Person A:Person]], as published on the applicable Bloomberg screen page (or such other commercially available source providing such quotations as may be designated by the [[Person A:Person]] from time to time) at or about 10:00 a.m. (Toronto, Ontario time) on the Rate Determination Date with a term equivalent to such Interest Period;

annum equal to the London Interbank Offered Rate or a comparable or successor rate, which rate is approved by the Lender (“LIBOR”), as published on the applicable Bloomberg screen page (or such other commercially available source providing quotations as may be designated by the Lender from time to time) at approximately 11:00 a.m., London time, two Business Days prior to the commencement of such Interest Period, for Dollar deposits (for delivery on the first day of such Interest Period) with a term equivalent to such Interest Period; and

“Exchange Rate” means on any day, with respect to any Alternative Currency, the rate at which such Alternative Currency may be exchanged into Dollars, as set forth at approximately 11:00 a.m. (London time) on such day on the Bloomberg Key Cross-Currency Rates Page for such Alternative Currency. In the event that such rate does not appear on any Bloomberg Key Cross-Currency Rates Page, the Exchange Rate shall be determined by reference to such other publicly available service for displaying exchange rates as may be agreed upon by the Administrative Agent and ESI, or, in the absence of such agreement, such Exchange Rate shall instead be the arithmetic average of the spot rates of exchange of the Administrative Agent in the market where its foreign currency exchange operations in respect of such Alternative Currency are then being conducted, at or about 10:00 a.m. (London time) on such date for the purchase of Dollars for delivery two Business Days later; provided that, if at the time of any such determination, for any reason, no such spot rate is being quoted, the Administrative Agent, after consultation with ESI, may use any reasonable method it deems appropriate to determine such rate, and such determination shall be conclusive absent manifest error.

both executed and delivered pursuant to Section 2(a) hereof on a day that is not a Trading Day or # both executed and delivered pursuant to Section 2(a) hereof on a Trading Day prior to the opening of “regular trading hours” (as defined in Rule 600(b) of Regulation NMS promulgated under the federal securities laws) on such Trading Day, # at the option of the Holder, either # the VWAP on the Trading Day immediately preceding the date of the applicable Notice of Exercise or # the Bid Price of the Ordinary Shares on the principal Trading Market as reported by Bloomberg L.P. (“Bloomberg”) as of the time of the Holder’s execution of the applicable Notice of Exercise if such Notice of Exercise is executed during “regular trading hours” on a Trading Day and is delivered within two (2) hours thereafter (including until two (2) hours after the close of “regular trading hours” on a Trading Day) pursuant to Section 2(a) hereof or # the VWAP on the date of the applicable Notice of Exercise if the date of such Notice of Exercise is a Trading Day and such Notice of Exercise is both executed and delivered pursuant to Section 2(a) hereof after the close of “regular trading hours” on such Trading Day;

“Reinvestment Yield” means, with respect to the Called Principal of any Note, 0.50% over the yield to maturity implied by the yield(s) reported as of 10:00 a.m. (New York City time) on the second Business Day preceding the Settlement Date with respect to such Called Principal, on the display designated as “Page PX1” (or such other display as may replace Page PX1) on Bloomberg Financial Markets for the most recently issued actively traded on-the-run U.S. Treasury securities (“Reported”) having a maturity equal to the Remaining Average Life of such Called Principal as of such Settlement Date. If

“U.K. Swing Line Overnight Dollar Rate” means, for any day, the annual rate of interest equal to LIBOR, or a comparable or successor rate which rate is approved by the Administrative Agent, for overnight deposits in Dollars, as published on the applicable Bloomberg screen page (or such other commercially available source providing such quotations as may be designated by the Administrative Agent from time to time) at approximately 11:00 a.m. (London time) on such day; provided, that, if such rate shall be less than zero, such rate shall be deemed to be zero for all purposes of this Agreement.

For retirements after January 1, 2011, the Specified Rate means the average of the daily closing On-The-Run Long Bond rates as displayed by the Bloomberg Professional Financial System at screen “GT 30 GVT” (or any successor screen), for the five year period ending on the last day of the second full calendar month preceding the month in which a Participant's Termination of Employment occurs; provided, however that while 30-Year Treasury Bonds are issued by the U.S. Treasury, the Specified Rate shall be the monthly average annual yield of 30-Year United States Treasury Bonds for constant maturities as published by the Federal Reserve Bank ending for the five year period ending with the month in which a Participant's Termination of Employment occurs.

Purchase and Sale. Seller agrees to sell the Subject Shares to the Purchaser, and the Purchaser agrees to purchase the Subject Shares on the Closing Date (as defined in Section 2 below). The purchase price for the Subject Shares shall be $59.5389 per share, which represents the Volume Weighted Average Price for the Class A common stock, par value $0.01 per share, of the Company for the three (3) trading-day period ending February 23, 2015 as reported by Bloomberg, resulting in a total Purchase Price of $33,937,173.00 due to the Seller from the Purchaser (the “Purchase Price”), and which shall be payable in cash at the closing of such sale in accordance with the provisions of Section 3 hereof.

Interest Period in Dollars, determined as of approximately 11:00 a.m. (London, England time) two (2) Business Days prior to the beginning of such Interest Period (as set forth by Bloomberg Information Service or any successor thereto or any other commercially available service selected by the [[Administrative Agent:Organization]] which provides quotations of LIBOR); and # a Base Rate Loan, the rate per annum determined by the [[Administrative Agent:Organization]] to be LIBOR (for delivery on the first day of such Interest Period) with a term of one month in Dollars, determined as of approximately 11:00 a.m. (London, England time) two (2) Business Days prior to the beginning of such Interest Period (as set forth by Bloomberg Information Service or any successor thereto or any other commercially available service selected by the [[Administrative Agent:Organization]] which provides quotations of LIBOR). In the event that the [[Administrative Agent:Organization]] determines that LIBOR is not available, the “Eurodollar Base Rate” shall be determined by reference to the rate per annum equal to the offered quotation rate to first class banks in the London interbank market by SVB for deposits (for delivery on the first day of the relevant Interest Period) in Dollars of amounts in same day funds comparable to the principal amount of the applicable Loan of the [[Administrative Agent:Organization]], in its capacity as a [[Organization A:Organization]], for which the Eurodollar Base Rate is then being determined with maturities comparable to such period, in the case of a Eurodollar Loan, and of one month, in the case of a Base Rate Loan, as of approximately 11:00 a.m. (London, England time) two (2) Business Days prior to the beginning of such Interest Period.

“Option Value” means the value of a Common Stock Equivalent based on the Black Scholes Option Pricing model obtained from the “OV” function on Bloomberg determined as of # the Trading Day prior to the public announcement of the issuance of the applicable Common Stock Equivalent, if the issuance of such Common Stock Equivalent is publicly announced or # the Trading Day immediately following the issuance of the applicable Common Stock Equivalent if the issuance of such Common Stock Equivalent is not publicly announced, for pricing purposes and reflecting # a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to the remaining term of the applicable Common Stock Equivalent as of the applicable date of determination, # an expected volatility equal to the greater of 100% and the 100 day volatility obtained from the HVT function on Bloomberg as of # the Trading Day immediately following the public announcement of the applicable Common Stock Equivalent if the issuance of such Common Stock Equivalent is publicly announced or # the Trading Day immediately following the issuance of the applicable Common Stock Equivalent if the issuance of such Common Stock Equivalent is not publicly announced, # the underlying price per share used in such calculation shall be the highest VWAP of the Common Stock during the period beginning on the Trading Day prior to the execution of definitive documentation relating to the issuance of the applicable Common Stock Equivalent and ending on # the Trading Day immediately following the public announcement of such issuance, if the issuance of such Common Stock Equivalent is publicly announced or # the Trading Day immediately following the issuance of the applicable Common Stock Equivalent if the issuance of such Common Stock Equivalent is not publicly announced, # a zero cost of borrow and # a 360 day annualization factor.