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| ARTICLE I DEFINITIONS; CONFLICTS.................................................................................................     | 2 |  |
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| ARTICLE II AMENDMENT OF FOURTH SUPPLEMENTAL INDENTURE........................................                                         | 2 |  |
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|                                                                                                                                  | SECTION 2.01. | Amendment of Preamble of Fourth Supplemental Indenture............................ | 2 |  |
|                                                                                                                                  | SECTION 2.02. | Addition of Exhibits to Fourth Supplemental Indenture................................... | 2 |  |
|                                                                                                                                  | SECTION 2.03. | Amendment of Section 2.01 of Fourth Supplemental Indenture....................... | 2 |  |
|                                                                                                                                  | SECTION 2.04. | Amendment of Section 3.01 of Fourth Supplemental Indenture....................... | 3 |  |
|                                                                                                                                  | SECTION 2.05. | Amendment of Section 4.02 of Fourth Supplemental Indenture....................... | 4 |  |
|                                                                                                                                  | SECTION 2.06. | Amendment of Section 4.03 of Fourth Supplemental Indenture....................... | 9 |  |
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| ARTICLE III AMENDMENT OF EXISTING INDENTURE....................................................................                       | 9 |  |
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|                                                                                                                                  | SECTION 3.01. | Amendment of Section 6.06 of Existing Indenture........................................... | 9 |  |
|                                                                                                                                  | SECTION 3.02. | Amendment of Section 6.08 of Existing Indenture........................................... | 9 |  |
|                                                                                                                                  | SECTION 3.03 | Amendment of Section 12.01 of Existing Indenture......................................... | 9 |  |
|                                                                                                                                  | SECTION 3.04. | Amendment of Sections 14.01 and 14.02 of Existing Indenture....................... | 9 |  |
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| ARTICLE IV MISCELLANEOUS............................................................................................................. | 10 |  |
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|                                                                                                                                  | SECTION 4.01. | Integral Part....................................................................................................... | 10 |  |
|                                                                                                                                  | SECTION 4.02. | Adoption, Ratification and Confirmation.......................................................... | 10 |  |
|                                                                                                                                  | SECTION 4.03. | Counterparts...................................................................................................... | 10 |  |
|                                                                                                                                  | SECTION 4.04. | Severability........................................................................................................ | 10 |  |
|                                                                                                                                  | SECTION 4.05. | Governing Law.................................................................................................. | 10 |  |
|                                                                                                                                  | SECTION 4.06. | Trustee Makes No Representation..................................................................... | 10 |  |
|                                                                                                                                  | SECTION 4.07. | Damages Limitation.......................................................................................... | 10 |  |
|                                                                                                                                  | SECTION 4.08. | U.S.A. PATRIOT Act......................................................................................... | 10 |  |

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|                     |  |
| Period              | Redemption Price |
| 2017                | 102.875% |
| 2018                | 101.917% |
| 2019                | 100.958% |
| 2020 and thereafter | 100.000% |

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|                  |  |  |  |  |
| Date of Exchange | Amount of decrease | Amount of increase | Principal amount of | Signature of |
|             | in Principal amount | in Principal amount | this Global Security | authorized signatory of Trustee or |
|             | of this Global | of this Global | following such | Securities |
|             | Security | Security | decrease or increase | Custodian |

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|                                                     |
|-----------------------------------------------------|
|                                                     |  |  |
| Dated:_____________________________________________ | Your  Signature:_____________________________________ |
|                                                | (Sign exactly as your name appears on the other side of this Security.) |
| Signature Guarantee:                                | ____________________________________________________________________                                             (Signature must be guaranteed) |

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|    |                                                                                                                                                                                                                                                                                                                                                                                                               |
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| 1. | We understand that any subsequent transfer of the Securities is subject to certain restrictions and conditions set forth in the Indenture relating to the Securities, and the undersigned agrees to be bound by, and not to resell, pledge or otherwise transfer the Securities except in compliance with, such restrictions and conditions and the Securities Act, and all applicable state securities laws. |

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| 2. | We understand that the offer and sale of the Securities have not been registered under the Securities Act, and that the Securities may not be offered, sold, pledged or otherwise transferred except as permitted in the following sentence. We agree, on our own behalf and on behalf of any accounts for which we are acting as hereinafter stated, that if we should sell, offer, pledge or otherwise transfer any Securities, we will do so only (i) to the Company or any of its subsidiaries, (ii) inside the United States in a transaction meeting the requirements of Rule 144A under the Securities Act to a person whom we reasonably believe to be a “qualified institutional buyer” (as defined in Rule 144A under the Securities Act), (iii) inside the United States to an institutional “accredited investor” within the meaning of Rule 501(a)(1), (2), (3) or (7) under the Securities Act that, prior to such transfer, furnishes (or has furnished on its behalf by a U.S. broker-dealer) to the Registrar a signed letter containing certain representations and agreements relating to the restrictions on transfer of the Securities (the form of which letter can be obtained from the Registrar), |

|    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
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| 3. | We are not acquiring the Securities for or on behalf of, and will not transfer the Securities to, any pension or welfare plan (as defined in Section 3 of the Employee Retirement Income Security Act of 1974, as amended) or plan (as defined in Section 4975 of the Internal Revenue Code of 1986, as amended), except as permitted in the section entitled “Transfer Restrictions” of the offering circular pursuant to which the Securities were sold. |

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|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4. | We understand that, on any proposed resale of any Securities, we will be required to furnish to the Registrar, the Security Custodian and the Company such legal opinions, certifications and other information as the Registrar, the Security Custodian and the Company may reasonably request to confirm |

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|    |                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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| 5. | We are an institutional “accredited investor” within the meaning of Rule 501(a)(1), (2), (3) or (7) of the Securities Act) and have such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of our investment in the Securities, and we and any accounts for which we are acting are each able to bear the economic risk of our or their investment, as the case may be. |

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| 6. | We are acquiring the Securities purchased by us for our account or for one or more accounts (each of which is an institutional “accredited investor”) as to each of which we exercise sole investment discretion. |

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|----|--------------------------------------------------------------------------------------------------------------------------|
| 7. | Capitalized terms used herein and not otherwise defined below shall have the meanings ascribed thereto in the Indenture. |

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|    |                                                                                                                                                                                                                                                                                                 |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1. | The transfer is being effected in compliance with the transfer restrictions applicable to beneficial interests in Restricted Securities and pursuant to and in accordance with the Securities Act and any applicable blue sky securities laws of any state of the United States of America, and |

|    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
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| 2. | ¨;  (i) The transfer is being effected pursuant to and in compliance with an exemption from the registration requirements of the Securities Act other than Rule 144, Rule 903 or Rule 904 and in compliance with the transfer restrictions contained in the indenture, dated as of December 1, 2009 (the “Base Indenture”), as supplemented by the fourth supplemental indenture (the “Fourth Supplemental Indenture”), dated as of September 11, 2012 and as further supplemented by the sixth supplemental indenture, dated as of August     7, 2015 (together with the Base Indenture and the Fourth Supplemental Indenture, the “Indenture”), by and among the Company, the guarantors named therein and Wells Fargo Bank, National Association (as successor in interest to The Bank of Nova Scotia Trust Company of New York), as trustee, and any applicable blue sky securities laws of any state of the United States of America and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act.  Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the transferred beneficial interest will not be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Securities and in the Indenture. |

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| 3. | Capitalized terms used herein and not otherwise defined herein shall have the meanings ascribed thereto in the Indenture. |

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