Optional Redemption The Notes will be redeemable, at the Company’s option, in whole at any time or in part from time to time, on or after May 1, 2009 and prior to maturity, upon not less than 30 nor more than 60 days’ prior notice mailed by first class mail to each Holder’s last address as it appears in the Note Register, at the following Redemption Prices (expressed in percentages of principal amount), plus accrued and unpaid interest, if any, to the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date that is on or prior to the Redemption Date to receive interest due on an Interest Payment Date), if redeemed during the 12-month period commencing May 1 of the years set forth below: Year Redemption Price 2009 104.688 % 2010 102.344 % 2011 100.000 % In addition, at any time prior to May 1, 2008, the Company may redeem up to 35% of the principal amount of the Notes with the Net Cash Proceeds of one or more Equity Offerings by (1) the Company or (2) Grupo TFM to the extent the Net Cash Proceeds thereof are contributed to the Company or used to purchase Capital Stock (other than Disqualified Stock) of the Company from the Company, at a Redemption Price equal to 109.375% of the principal amount thereof, plus accrued and unpaid interest and liquidated damages thereon (as determined by the Company), if any, to the Redemption Date; provided, however, that after giving effect to any such redemption: (1) at least 65% of the original aggregate principal amount of the Notes remains outstanding; and (2) any such redemption must be made within 60 days of such Equity Offering and must be made in accordance with the provisions of the Article Three. Upon completion of the Exchange Offer, the Company may also redeem any Notes which were not exchanged in the Exchange Offer in an amount up to 1% of the original aggregate principal amount of the Notes issued at a redemption price of 100% of their principal amount plus accrued and unpaid interest thereon, if any, to the Redemption Date.