Document:

Additional Notes Supplement dated as of March 8, 2011

 Exhibit 4.6 
 Execution Version 
  

 
  

América Móvil, S.A.B. de C.V., 
 as Issuer 
 Radiomóvil Dipsa, S.A. de C.V., 

as Guarantor 
 The
Bank of New York Mellon, 
 as Trustee, Security Registrar, Principal Paying Agent and Transfer Agent 

and 
 The Bank of
New York Mellon (Luxembourg), S.A., 
 as Luxembourg Paying Agent and Luxembourg Transfer Agent 

 
  

ADDITIONAL NOTES SUPPLEMENT 
 Dated as of March 8, 2011 
 To 

THIRD SUPPLEMENTAL INDENTURE 
 Dated as of March 30, 2010 
  

 
 5.000% Senior
Notes due 2020 
  
  

 

  

 ADDITIONAL NOTES SUPPLEMENT, dated as of March 8, 2011 (this “Additional Notes
Supplement”), to the Third Supplemental Indenture, dated as of March 30, 2010 (the “Third Supplemental Indenture”), among América Móvil, S.A.B. de C.V., a sociedad anónima bursátil de capital
variable organized and existing under the laws of the United Mexican States (“Mexico”) (the “Company”), having its principal office at Lago Zurich 245, Edificio Telcel, Colonia Granada Ampliación, Delegación
Miguel Hidalgo, 11529, México D.F., México, Radiomóvil Dipsa, S.A. de C.V., a sociedad anónima de capital variable organized and existing under the laws of Mexico (the “Guarantor”), having its principal
office at Lago Zurich 245, Edificio Telcel, Colonia Granada Ampliación, Delegación Miguel Hidalgo, 11529, México D.F., México, The Bank of New York Mellon, a corporation duly organized and existing under the laws of the
State of New York authorized to conduct a banking business, as Trustee (the “Trustee”), Security Registrar, Principal Paying Agent and Transfer Agent, and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent (the
“Luxembourg Paying Agent”) and Luxembourg Transfer Agent, to the Indenture, dated as of September 30, 2009, among the Company, the Guarantor and the Trustee (the “Base Indenture”). 

W I T N E S S E T H: 
 WHEREAS, the Company, the Guarantor and the Trustee have executed the Base Indenture on September 30, 2009 and the Company, the Guarantor, the Trustee and the Luxembourg Paying Agent have executed
the Third Supplemental Indenture on March 30, 2010 in connection with the Company’s original issuance of U.S.$2,000,000,000 5.000% Senior Notes due 2020 (the “Initial Notes”); 

WHEREAS, the Company desires to issue an additional U.S.$124,815,000 aggregate principal amount of its 5.000% Senior Notes due 2020 (the
“Additional Notes”) in connection with its exchange offer for any and all outstanding 5.500% Senior Notes due 2019 of Teléfonos de México, S.A.B. de C.V.; 

WHEREAS, Section 201 of the Third Supplemental Indenture provides for the issuance from time to time thereunder of additional notes
by the Company with terms and conditions identical to those of the Initial Notes (except for the issue date, the date from which interest shall accrue and first be paid, the inclusion of legends restricting transfer and registration rights and,
until the exchange offer under the Registration Rights Agreement (as defined below) has been completed or a shelf registration statement has been filed, CUSIP and ISIN numbers and fungibility for trading purposes), which additional notes will be
consolidated and form a single series with the Initial Notes; 
 WHEREAS, the Company has duly authorized the execution and
delivery of this Additional Notes Supplement to create and issue the Additional Notes under the Third Supplemental Indenture and the Base Indenture; 
 WHEREAS, the Guarantor has duly authorized the execution and delivery of this Additional Notes Supplement to provide for its Guarantees of the Additional Notes; 

  

 WHEREAS, pursuant to Section 201 of the Third Supplemental Indenture, the Company, the
Guarantor, the Trustee and the Luxembourg Paying Agent are authorized to execute and deliver this Additional Notes Supplement, without the consent of any Holder; and 
 WHEREAS, all things necessary to make this Additional Notes Supplement, together with the Base Indenture and the Third Supplemental Indenture, a valid agreement of the Company and the Guarantor, in
accordance with their terms, have been done. 
 NOW, THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the Company, the Guarantor, the Trustee and the Luxembourg Paying Agent mutually covenant and agree for the equal and ratable benefit of the holders of the Additional Notes as
follows: 
 SECTION 1. Unless otherwise defined in this Additional Notes Supplement, terms defined in the Third Supplemental
Indenture are used herein as therein defined. 
 SECTION 2. The following terms have the meanings given to them in this
Section 2: 
 “Registration Default” means the occurrence of any of the events set forth in Section 2(e) of
the Registration Rights Agreement which gives rise to an obligation on the part of the Company to pay additional interest on the Additional Notes in accordance therewith. 
 “Registration Rights Agreement” means the Registration Rights Agreement, dated as of March 8, 2011, among the Company, the Guarantor and Merrill Lynch, Pierce, Fenner & Smith
Incorporated, as Dealer Manager, as such agreement may be amended from time to time. 
 SECTION 3. Except insofar as otherwise
expressly provided in this Additional Notes Supplement, all the definitions, provisions, terms and conditions of the Base Indenture and the Third Supplemental Indenture shall remain in full force and effect. The Base Indenture and the Third
Supplemental Indenture, as supplemented by this Additional Notes Supplement, are in all respects ratified and confirmed, and Base Indenture, the Third Supplemental Indenture and this Additional Notes Supplement shall be read, taken and considered as
one and the same instrument for all purposes with respect to the Additional Notes. 
 SECTION 4. The Additional Notes are being
originally issued by the Company on the date hereof in an aggregate principal amount of U.S.$124,815,000, which, together with the Guarantor’s Guarantees (in substantially the form attached as Exhibit B hereto) duly annexed thereto, shall
increase the aggregate principal amount of, and shall be consolidated and form a single series with, the Initial Notes. The Additional Notes will vote together with the Initial Notes as from March 8, 2011. 

SECTION 5. The Stated Maturity of the Additional Notes shall be March 30, 2020. The Additional Notes shall bear interest at the rate
of 5.000% per annum from March 8, 2011. 

  
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 SECTION 6. The Additional Notes shall be issued in fully registered certificated global form
without coupons, and in minimum denominations of U.S.$100,000 and integral multiples of U.S.$1,000 in excess thereof. The Additional Notes and the Trustee’s certificate of authentication shall be substantially in the form of Exhibit A
hereto. 
 SECTION 7. The terms and provisions of the Additional Notes, the form of which is set forth in Exhibit A hereto,
shall constitute, and are hereby expressly made, a part of this Additional Notes Supplement and, to the extent applicable, the Company, the Guarantor, the Trustee and the Luxembourg Paying Agent, by their execution and delivery of this Additional
Notes Supplement, expressly agree to such terms and provisions and to be bound thereby. 
 SECTION 8. The transfer certificates
for transfers from (i) Restricted Global Note to Regulation S Global Note, (ii) Restricted Global Note to Unrestricted Global Note and (iii) Regulation S Global Note or Unrestricted Global Note to Restricted Global Note shall be
substantially in the form of Exhibits C, D and E hereto, respectively. 
 SECTION 9. This Additional Notes Supplement shall be
governed by, and construed in accordance with, the law of the State of New York. The parties hereto ratify the provisions of Sections 301 and 302 of the Third Supplemental Indenture with respect to this Additional Notes Supplement, as if such
provisions were set forth in their entirety herein. 
 SECTION 10. This Additional Notes Supplement may be executed in any
number of counterparts, each of which so executed shall be an original, but all of them together represent the same agreement. 

SECTION 11. Neither the Trustee nor the Luxembourg Paying Agent shall be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Additional Notes Supplement or for or in respect of the recitals contained herein, all of which recitals are made by the Company and the Guarantor. 

[Signature page follows] 

  
 3 

 IN WITNESS WHEREOF, the parties hereto have caused this Additional Notes Supplement to be
duly executed as of the date first above written. 
  

					
	AMÉRICA MÓVIL, S.A.B. DE C.V.,
		 	as Issuer
		
	By:	 	/s/ Carlos José García Moreno Elizondo
		 	Name:	 	Carlos José García Moreno Elizondo
		 	Title:	 	Chief Financial Officer
		
	By:	 	/s/ Alejandro Cantú Jiménez
		 	Name:	 	Alejandro Cantú Jiménez
		 	Title:	 	General Counsel
	
	RADIOMÓVIL DIPSA, S.A. DE C.V.,
		 	as Guarantor
		
	By:	 	/s/ Fernando Benjamín Ocampo Carapia
		 	Name:	 	Fernando Benjamín Ocampo Carapia
		 	Title:	 	Chief Financial Officer
		
	By:	 	/s/ Alejandro Cantú Jiménez
		 	Name:	 	Alejandro Cantú Jiménez
		 	Title:	 	General Counsel
	
	THE BANK OF NEW YORK MELLON,
		 	 as Trustee, Security Registrar, Principal Paying
 Agent and Transfer Agent

		
	By:	 	/s/ Erika Walker
		 	Name:	 	Erika Walker
		 	Title:	 	Vice President
	
	THE BANK OF NEW YORK MELLON
		 	 (LUXEMBOURG) S.A.,
 as Luxembourg Paying Agent and Luxembourg
 Transfer Agent

		
	By:	 	/s/ Erika Walker
		 	Name:	 	Erika Walker
		 	Title:	 	Attorney-in-Fact

 [Signature Page to
Additional Notes Supplement for 2020 Notes] 

  

 EXHIBIT A 
 FORM OF ADDITIONAL NOTE 
 [FACE OF NOTE] 

[RESTRICTED GLOBAL NOTE][REGULATION S GLOBAL NOTE] 
 [INCLUDE IF NOTE IS A GLOBAL NOTE – THIS SECURITY IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO, AS SUPPLEMENTED BY THE THIRD SUPPLEMENTAL INDENTURE HEREINAFTER
REFERRED TO, AND IS REGISTERED IN THE NAME OF THE DEPOSITARY OR A NOMINEE OF THE DEPOSITARY, WHICH MAY BE TREATED BY AMÉRICA MÓVIL, S.A.B. DE C.V., THE TRUSTEE AND ANY AGENT THEREOF AS OWNER AND HOLDER OF THIS NOTE FOR ALL PURPOSES.]

 [INCLUDE IF NOTE IS A GLOBAL NOTE AND THE DEPOSITARY IS THE DEPOSITORY TRUST COMPANY – UNLESS THIS CERTIFICATE IS
PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (“DTC”) TO AMÉRICA MÓVIL, S.A.B. DE C.V. OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IN EXCHANGE FOR
THIS CERTIFICATE OR ANY PORTION HEREOF IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON OTHER THAN DTC OR A NOMINEE THEREOF IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS
AN INTEREST HEREIN. 
 UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR REGISTERED NOTES IN DEFINITIVE REGISTERED FORM
IN THE LIMITED CIRCUMSTANCES REFERRED TO IN THE INDENTURE, AS SUPPLEMENTED BY THE THIRD SUPPLEMENTAL INDENTURE, THIS GLOBAL NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE
DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.] 

[INCLUDE IF NOTE IS A RESTRICTED GLOBAL NOTE (UNLESS PURSUANT TO SECTION 206 OF THE THIRD SUPPLEMENTAL INDENTURE, THE COMPANY
DETERMINES AND CERTIFIES TO THE TRUSTEE THAT THE LEGEND MAY BE REMOVED) – NONE OF THIS GLOBAL NOTE, ANY BENEFICIAL INTEREST HEREIN OR THE GUARANTEE HEREOF HAS BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE
“SECURITIES ACT”). NONE OF THIS 

  
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GLOBAL NOTE, ANY BENEFICIAL INTEREST HEREIN OR THE GUARANTEE HEREOF MAY BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (1) TO A PERSON WHO THE SELLER REASONABLY BELIEVES IS A
QUALIFIED INSTITUTIONAL BUYER WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER OR BUYERS IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 144A, (2) IN
AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (3) PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT (IF AVAILABLE) OR (4) PURSUANT TO AN EFFECTIVE REGISTRATION
STATEMENT UNDER THE SECURITIES ACT. AS A CONDITION TO REGISTRATION OF TRANSFER OF THIS GLOBAL NOTE IN ACCORDANCE WITH CLAUSE (3) ABOVE, AMÉRICA MÓVIL, S.A.B. DE C.V. OR THE TRUSTEE MAY REQUIRE DELIVERY OF ANY DOCUMENTS OR OTHER
EVIDENCE THAT IT, IN ITS DISCRETION, DEEMS NECESSARY OR APPROPRIATE TO EVIDENCE COMPLIANCE WITH THE EXEMPTION REFERRED TO IN SUCH CLAUSE (3), AND, IN EACH CASE, IN ACCORDANCE WITH ALL APPLICABLE SECURITIES LAWS OF THE STATES OF THE UNITED STATES AND
OTHER JURISDICTIONS. 
 THIS LEGEND MAY BE REMOVED SOLELY IN THE DISCRETION AND AT THE DIRECTION OF AMÉRICA MÓVIL,
S.A.B. DE C.V.] 
 [INCLUDE IF NOTE IS A REGULATION S GLOBAL NOTE (UNLESS, PURSUANT TO SECTION 206 OF THE THIRD SUPPLEMENTAL
INDENTURE, THE COMPANY DETERMINES AND CERTIFIES TO THE TRUSTEE THAT THE LEGEND MAY BE REMOVED) – NONE OF THIS GLOBAL NOTE, ANY BENEFICIAL INTEREST HEREIN OR THE GUARANTEE HEREOF HAS BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS
AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE OFFERED, SOLD OR DELIVERED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S. PERSON, UNLESS THIS GLOBAL NOTE IS REGISTERED UNDER THE SECURITIES ACT OR AN EXEMPTION FROM
THE REGISTRATION REQUIREMENTS THEREOF IS AVAILABLE. 
 THIS LEGEND MAY BE REMOVED SOLELY IN THE DISCRETION AND AT THE DIRECTION
OF AMÉRICA MÓVIL, S.A.B. DE C.V.] 

  
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 AMÉRICA MÓVIL, S.A.B. DE C.V. 

5.000% SENIOR NOTES DUE 2020 
 [If Restricted Global Note – CUSIP Number: 02364W AZ8 / ISIN Number: US02364WAZ86 / Common Code: 059845152] 
 [If Regulation S Global Note – CUSIP Number: P0280A EE7 / ISIN Number: USP0280AEE75 / Common Code: 059691805] 

 

			
	 No. [R- ][S- ]
	  	U.S.$ [•]

América Móvil, S.A.B. de C.V. (herein called the “Company,” which term includes any successor Person under the
Indenture hereinafter referred to, as supplemented by the Third Supplemental Indenture hereinafter referred to), a sociedad anónima bursátil de capital variable organized and existing under the laws of the United Mexican States
(“Mexico”), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of [•] Dollars as revised by the Schedule of Increases and Decreases in Global Note attached hereto on
March 30, 2020 (unless earlier redeemed, in which case, on the applicable Redemption Date) and to pay interest thereon from March 8, 2011 or from the most recent Interest Payment Date to which interest has been paid or duly provided for,
as the case may be, semi-annually in arrears on March 30 and September 30 of each year, commencing on March 30, 2011 at the rate of 5.000% per annum, until the principal hereof is paid or made available for payment; provided
that, upon the occurrence of a Registration Default, the per annum interest rate borne by this Note shall increase by adding 0.50% thereto, as liquidated damages and not as a penalty, for the period from the first day on which such Registration
Default occurs to but not including the first day thereafter until no Registration Default is continuing, all in accordance with the provisions of the Registration Rights Agreement and in which case the Company shall provide notice to the Trustee of
such increase in the interest rate, and shall cause the Trustee to provide appropriate notice thereof to the Holder of this Note; and provided, further, that any amount of interest on this Note which is overdue shall bear interest (to the
extent that payment thereof shall be legally enforceable) at the rate per annum then borne by this Note from the date such amount is due to but not including the day it is paid or made available for payment, and such overdue interest shall be paid
as provided in Section 306 of the Base Indenture. 
 Interest on the Notes shall be computed on the basis of a 360-day year
of twelve 30-day months. 
 The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date
shall, as provided in the Indenture, be paid to the Person in whose name this Note (or one or more Predecessor Securities) is registered at the close of business on the Regular Record Date for such interest, which shall be the March 15 and
September 15 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date; provided that any accrued and unpaid interest (including additional interest as a result of any Registration Default, if
applicable) on this Note upon the issuance of an Exchange Note in exchange for this Note shall cease to be payable to the Holder hereof and shall be payable instead on the next Interest Payment Date for such Exchange Note to the Holder thereof on
the related Regular Record Date. Any such interest not so punctually paid or duly provided for shall forthwith cease to be payable 

  
 A-3

 
to the Holder on the relevant Regular Record Date and may either be paid to the Person in whose name this Note (or one or more Predecessor Securities) is registered at the close of business on a
Special Record Date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to Holders of this Note not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful
manner not inconsistent with the requirements of any securities exchange on which this Note may be listed, and upon such notice as may be required by such exchange, all as more fully provided in the Indenture. 

Payment of the principal of and interest on this Note shall be made at the office of the Trustee or agency of the Company in the Borough
of Manhattan, The City of New York, New York and, if and for so long as the Notes are admitted to listing on the Official List of the Luxembourg Stock Exchange and trading on the Euro MTF, at the office of the Luxembourg Paying Agent, in each case
maintained for such purpose and at any other office or agency maintained by the Company for such purpose, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts
against surrender of this Note in the case of any payment due at the Maturity of the principal thereof; provided, however, that at the option of the Company payment of interest may be made by check mailed to the address of the Person entitled
thereto as such address shall appear in the Security Register; and provided, further, that all payments of the principal of and interest on this Note, the Permitted Holders of which have given wire transfer instructions to the Trustee in
writing, the Company, or its agent at least 10 Business Days prior to the applicable payment date, shall be required to be made by wire transfer of immediately available funds to the accounts specified by such Permitted Holders in such instructions.
Notwithstanding the foregoing, payment of any amount payable in respect of a Global Note shall be made in accordance with the Applicable Procedures of the Depositary. 
 Reference is hereby made to the further provisions of this Note set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place.

 Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual
signature, this Note shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
 A-4

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. 

Dated: March 8, 2011 
  

			
	AMÉRICA MÓVIL, S.A.B. DE C.V.
		
	By:	 	 
		 	Name:
		 	Title:
		
	By:	 	 
		 	Name:
		 	Title:

 This is one of the Notes
referred to in the within mentioned Indenture. 
 Dated: March 8, 2011 

 

			
	THE BANK OF NEW YORK MELLON,
		 	as Trustee
		
	By:	 	 
		 	Authorized Officer

  
 A-5

 [REVERSE OF NOTE] 
 This Note is one of a duly authorized issue of securities of the Company (herein collectively called the “Notes”), issued under an Indenture, dated as of September 30, 2009 (herein called
the “Base Indenture”) among the Company, Radiomóvil Dipsa, S.A. de C.V., a sociedad anónima de capital variable organized and existing under the laws of Mexico (herein called the “Guarantor,” which term
includes any successor Person under the Indenture), The Bank of New York Mellon, as Trustee (herein called the “Trustee,” which term includes any successor trustee under the Indenture), Security Registrar, Paying Agent and Transfer Agent,
as supplemented by the Third Supplemental Indenture dated as of March 30, 2010, as supplemented on March 8, 2011 by the Additional Notes Supplement among such parties (herein called the “Third Supplemental Indenture” and,
together with the Base Indenture, the “Indenture”), among the Company, the Guarantor, the Trustee and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent (herein called the “Luxembourg Paying Agent”) and
Luxembourg Transfer Agent, and reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Guarantor, the Trustee and the Holders of the Notes and of
the terms upon which the Notes are, and are to be, authenticated and delivered. This Note is one of the series designated on the face hereof. 
 Additional notes on terms and conditions identical to those of this Note (except for issue date, issue price and the date from which interest shall accrue and, if applicable, first be paid) may be issued
by the Company without the consent of the Holders of the Notes. The amount evidenced by such additional notes shall increase the aggregate principal amount of, and shall be consolidated and form a single series with, the Notes, in which case the
Schedule of Increases and Decreases in Global Note attached hereto will be correspondingly adjusted. 
 In any case where any
Interest Payment Date, Redemption Date or Stated Maturity of any Note shall not be a Business Day, then (notwithstanding any other provision of the Indenture or of the Notes) payment of principal and premium, if any, or interest need not be made on
such date, but may be made on the next succeeding Business Day with the same force and effect as if made on the Interest Payment Date, Redemption Date or at the Stated Maturity, as the case may be; provided that no interest shall accrue for
the period from and after such Interest Payment Date, Redemption Date or Stated Maturity, as the case may be. 
 In the event of
redemption of this Note in part only, a new Note or Notes of this series and of like tenor for the unredeemed portion hereof shall be issued in the name of the Holder hereof upon the cancellation hereof. 

If an Event of Default with respect to Notes shall occur and be continuing, the principal of all of the Notes may be declared due and
payable in the manner and with the effect provided in the Indenture. 
 All payments of principal and interest in respect of the
Notes shall be made after withholding or deduction for any present or future taxes, duties, assessments or governmental charges of whatever nature imposed, levied, collected, withheld or assessed by or on behalf of

  
 A-6

 
Mexico or any authority therein or thereof having power to tax (“Mexican Taxes”). In the event of any withholding or deduction for any Mexican Taxes, the Company shall pay such
additional amounts (“Additional Amounts”) as will result in receipt by the Holders of Notes on the respective due dates of such amounts as would have been received by them had no such withholding or deduction (including for any Mexican
Taxes payable in respect of Additional Amounts) been required, except that no such Additional Amounts shall be payable with respect to any payment on a Note to the extent: 

(i) that any such taxes, duties, assessments or other governmental charges are imposed solely because of (A) a
connection between the Holder and Mexico other than the ownership or holding of such Note and the mere receipt of payments with respect to such Note or (B) failure by the Holder or any other Person to comply with any certification,
identification or other reporting requirement concerning the nationality, residence, identity or connection with Mexico of the Holder or any beneficial owner of such Note if compliance is required by law, regulation or by an applicable income tax
treaty to which Mexico is a party, as a precondition to exemption from, or reduction in the rate of, the tax, assessment or other governmental charge and we have given the Holders at least 30 days’ notice prior to the first payment date with
respect to which such certification, identification or reporting requirement is required to the effect that Holders will be required to provide such information and identification; 

(ii) of any such taxes, duties, assessments or other governmental charges with respect to such Note presented for payment
more than 15 days after the date on which such payment became due and payable or the date on which payment thereof is duly provided for and notice thereof given to Holders, whichever occurs later, except to the extent that the Holder of such Note
would have been entitled to such Additional Amounts on presenting such Note for payment on any date during such 15-day period; 
 (iii) of estate, inheritance, gift or other similar taxes, assessments or other governmental charge imposed with respect to such Note; 

(iv) of any tax, duty, assessment or other governmental charge payable otherwise than by deduction or withholding from
payments on such Note; 
 (v) of any payment on such Note to a Holder who is a fiduciary or partnership or a
person other than the sole beneficial owner of any such payment, to the extent that a beneficiary or settlor with respect to such fiduciary, a member of such a partnership or the beneficial owner of such payment would not have been entitled to the
Additional Amounts had such beneficiary, settlor, member or beneficial owner been the Holder of such Note; and 

(vi) of any tax, duty, assessment or governmental charge imposed on a payment to an individual and required to be made
pursuant to any law implementing or complying with, or introduced in order to conform to, any European Union Directive on the taxation of savings. 

  
 A-7

 For purposes of the provisions described in Clause (i) above, the term
“Holder” of any Note means the direct nominee of any beneficial owner of such Note, which holds such beneficial owner’s interest in such Note. Notwithstanding the foregoing, the limitations on the Company’s obligation to pay
Additional Amounts set forth in Clause (i)(B) above shall not apply (a) if the provision of information, documentation or other evidence described in such Clause (i)(B) would be materially more onerous, in form, in procedure or in the substance
of information disclosed, to a Holder or beneficial owner of a Note (taking into account any relevant differences between U.S. and Mexican law, regulation or administrative practice) than comparable information or other reporting requirements
imposed under U.S. tax law (including the United States - Mexico Income Tax Treaty), regulations (including proposed regulations) and administrative practice or (b) unless the provision of the information, documentation or other evidence
described in such Clause (i)(B) is expressly required by the applicable Mexican regulations and the Company cannot obtain such information, documentation or other evidence on its own through reasonable diligence and the Company otherwise would meet
the requirements for application of the applicable Mexican regulations. In addition, such Clause (i)(B) shall not be construed to require that a non-Mexican pension or retirement fund or a non-Mexican financial institution or any other Person
register with the Ministry of Finance and Public Credit for the purpose of establishing eligibility for an exemption from or reduction of Mexican withholding tax. 
 The Company shall provide the Trustee with the constancia or other relevant documentation, if any (which may consist of certified copies of such documentation), satisfactory to the Trustee
evidencing the payment of Mexican Taxes in respect of which the Company has paid any Additional Amounts. Copies of such documentation shall be made available to the Holders of the Notes or any Paying Agent, as applicable, upon request therefor.

 The Company shall pay all stamp, issue, registration, documentary or other similar duties, if any, which may be imposed by
Mexico or any governmental entity or political subdivision therein or thereof, or any taxing authority of or in any of the foregoing, with respect to the Indenture or the Third Supplemental Indenture or the issuance of the Notes. 

All references herein and in the Indenture or the Guarantees, to principal, premium, if any, or interest or any other amount payable in
respect of any Note shall be deemed to include all Additional Amounts, if any, payable in respect of such principal, premium, interest or other amount payable, unless the context otherwise requires, and express mention of the payment of Additional
Amounts in any provision hereof shall not be construed as excluding reference to Additional Amounts in those provisions hereof where such express mention is not made. 
 In the event that Additional Amounts actually paid with respect to the Notes pursuant to the preceding paragraphs are based on rates of deduction or withholding of withholding taxes in excess of the
appropriate rate applicable to the Holder of such Notes, and, as a result thereof such Holder is entitled to make claim for a refund or credit of such excess from the authority imposing such withholding tax, then such Holder shall, by accepting such
Notes, be deemed to have assigned and transferred all right, title, and interest to any such claim for a refund or credit of such excess to the Company. However, by making such assignment, the Holder makes no

  
 A-8

 
representation or warranty that the Company will be entitled to receive such claim for a refund or credit and incurs no other obligation with respect thereto. 

All references herein and in the Indenture to principal in respect of any Note shall be deemed to mean and include any Redemption Price
payable in respect of such Note pursuant to any redemption right hereunder (and all references to the Stated Maturity of the principal in respect of any Note shall be deemed to mean and include the Redemption Date with respect to any such Redemption
Price), and all references to principal, premium, interest or Additional Amounts shall be deemed to mean and include any amount payable in respect hereof pursuant to Section 1009 of the Indenture. 

The Company may, at its option, redeem the Notes upon not less than 30 nor more than 60 days’ notice, at any time: 

(i) in whole but not in part at a Redemption Price equal to the sum of (A) 100% of the outstanding principal amount of the Notes,
(B) accrued and unpaid interest on the principal amount of the Notes to but not including the Redemption Date and (C) any Additional Amounts which would otherwise be payable thereon up to but not including the Redemption Date, solely if,
as a result of any amendment to, or change in, the laws (or any rules or regulations thereunder) of Mexico or any political subdivision or taxing authority thereof or therein affecting taxation or any amendment to or change in an official
interpretation or application of such laws, rules or regulations, which amendment to or change of such laws, rules or regulations becomes effective on or after March 23, 2010, the Company would be obligated, after making reasonable endeavors to
avoid such requirement, to pay Additional Amounts in excess of the Additional Amounts that the Company would be obligated to pay if payments made on the Notes were subject to withholding or deduction of Mexican Taxes at the rate of 4.9%;
provided, however, that (1) no notice of redemption pursuant to this clause (i) may be given earlier than 90 days prior to the earliest date on which the Company would be obligated to pay such Additional Amounts if a payment
on the Notes were then due and (2) at the time such notice of redemption is given, the Company’s obligation to pay such Additional Amounts remains in effect; and 
 (ii) in whole or in part, at a Redemption Price equal to the greater of (1) 100% of the outstanding principal amount of the Notes being redeemed and (2) the sum of the present values of the
remaining scheduled payments of principal and interest thereon (exclusive of interest accrued to the Redemption Date) discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the
Treasury Rate plus 20 basis points, plus, in the case of (1) and (2), accrued and unpaid interest on the principal amount of such Notes to but not including the Redemption Date. 

For purposes of clause (ii) above, the following terms shall have the specified meanings: 

“Treasury Rate” means, with respect to any Redemption Date, the rate per annum equal to the semi-annual equivalent yield to
maturity or interpolated maturity (on a day count basis) of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such
Redemption Date. 

  
 A-9

 “Comparable Treasury Issue” means the United States Treasury security or
securities selected by an Independent Investment Banker as having an actual or interpolated maturity comparable to the remaining term of the Notes to be redeemed that would be utilized, at the time of selection and in accordance with customary
financial practice, in pricing new issues of corporate debt securities of a comparable maturity to the remaining term of such Notes. 
 “Independent Investment Banker” means one of the Reference Treasury Dealers appointed by the Company. 
 “Comparable Treasury Price” means, with respect to any Redemption Date, (x) the average of the Reference Treasury Dealer Quotations for such Redemption Date, after excluding the highest and
lowest such Reference Treasury Dealer Quotations or (y) if the Trustee obtains fewer than four such Reference Treasury Dealer Quotations, the average of all such quotations. 

“Reference Treasury Dealer” means Citigroup Global Markets Inc., Goldman, Sachs & Co. and J.P. Morgan Securities Inc.,
or their respective Affiliates which are primary United States government securities dealers and two other leading primary United States government securities dealers in New York City reasonably designated by the Company; provided, however, that if
any of the foregoing shall cease to be a primary United States government securities dealer in New York City (a “Primary Treasury Dealer”), the Company shall substitute therefor another Primary Treasury Dealer. 

“Reference Treasury Dealer Quotation” means, with respect to each Reference Treasury Dealer and any Redemption Date, the
average, as determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Trustee by such Reference Treasury Dealer at 3:30 p.m.
(New York time) on the third Business Day preceding such Redemption Date. 
 The Indenture permits, with certain exceptions as
therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the Guarantor, on the one hand, and the rights of the Holders of the Notes, on the other hand, at any time by the Company, the Guarantor
and the Trustee with the consent of the Holders of a majority in principal amount of the Notes at the time Outstanding. The Indenture also contains provisions (i) permitting the Holders of a majority in principal amount of the Notes at the time
Outstanding, on behalf of the Holders of all Notes, to waive compliance by the Company with certain provisions of the Indenture and (ii) permitting the Holders of a majority in principal amount of the Notes at the time Outstanding, on behalf of
the Holders of all Notes, to waive certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Note shall be conclusive and binding upon such Holder and upon all future Holders of this Note and
of any Note issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Note. 
 As provided in and subject to the provisions of the Indenture, the Holder of this Note shall not have the right to institute any proceeding with respect to the Indenture or for the appointment of a
receiver or trustee, or for any other remedy thereunder, unless such Holder 

  
 A-10

 
shall have previously given the Trustee written notice of a continuing Event of Default with respect to the Notes, the Holders of not less than 25% in principal amount of the Notes at the time
Outstanding shall have made written request to the Trustee to institute proceedings in respect of such Event of Default as Trustee and offered the Trustee indemnity reasonably satisfactory to it, and the Trustee shall not have received from the
Holders of a majority in principal amount of Notes at the time Outstanding a direction inconsistent with such request, and shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity.
The foregoing shall not apply to any suit instituted by the Holder of this Note for the enforcement of any payment of principal hereof or premium, if any, and/or interest hereon on or after the respective due dates expressed herein. 

No reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of and premium, if any, and interest on this Note at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth (including, without limitation, the restrictions on
transfer under Section 202 of the Third Supplemental Indenture and Sections 202 and 304 of the Base Indenture), the transfer of this Note is registrable in the Security Register, upon surrender of this Note for registration of transfer at the
office of the Trustee or agency of the Company in any place where the principal, premium and interest on this Note are payable, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company, the Guarantor
and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Notes of this series and of like tenor, of authorized denominations and for the same aggregate principal amount,
shall be issued to the designated transferee or transferees. 
 The Notes are issuable only in registered form without coupons
in denominations of U.S.$100,000 and integral multiples of U.S.$1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Notes are exchangeable for a like aggregate principal amount of Notes of like
tenor of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall be
made for any such registration of transfer or exchange, but the Company or the Trustee may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 

Prior to due presentment of this Note for registration of transfer, the Company, the Guarantor, the Trustee and any agent of the Company,
the Guarantor or of the Trustee may treat the Person in whose name this Note is registered as the owner hereof for all purposes, whether or not this Note is overdue, and neither the Company, the Guarantor, the Trustee nor any such agent shall be
affected by notice to the contrary. 
 This Note is a Global Note and is subject to the provisions of the Indenture relating to
Global Securities, including the limitations in Section 202 of the Third Supplemental Indenture and Sections 202 and 304 of the Base Indenture on transfers and exchanges of Global Notes. 

  
 A-11

 This Note, the Guarantees and the Indenture shall be governed by, and construed in
accordance with, the laws of the State of New York. 
 All terms used in this Note which are defined in the Indenture shall have
the meanings assigned to them in the Indenture. 
  

 
 ABBREVIATIONS

 The following abbreviations, when used in the inscription of the face of this Note, shall be construed as though they were
written out in full according to applicable laws or regulations: 
  

			
	 TEN COM - as tenants in common
	  	UNIF GIFT MIN ACT—_______________
		  	(Cust)
		
	 TEN ENT - as tenants by the entireties
	  	Custodian_______________under Uniform
		  	(Minor)                          
          
		
	 JT TEN – as joint tenants with right of

survivorship and not as tenants in

common
	  	Gifts to Minors Act______________
	  	
		
		  	(State)

 Additional abbreviations may also
be used 
 though not in the above list. 
  

 

  
 A-12

 SCHEDULE OF INCREASES OR DECREASES IN GLOBAL NOTE 

The following increases or decreases in this Global Note have been made: 

 

																	
	 Date of
 Transfer or
 Exchange
	  	Amount of decrease
in Principal
Amount
of this
Global Note	 	  	Amount of increase
in Principal
Amount
of this
Global Note	 	  	Principal Amount of
this Global
Note
following such
decrease or increase	 	  	Signature of
authorized
signatory of

Trustee or 
Note Custodian	 
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			
		  				  				  				  			

  
 A-13

 EXHIBIT B 
 FORM OF GUARANTEE 
 GUARANTEE 

OF 

RADIOMÓVIL DIPSA, S.A. DE C.V. 
 Radiomóvil Dipsa, S.A. de C.V., a sociedad anónima de capital variable organized and existing under the laws of Mexico (the “Guarantor”), hereby fully and unconditionally
guarantees (such guarantee being referred to herein as the “Guarantee”), in accordance with the terms of the Indenture, dated as of September 30, 2009 (herein called the “Base Indenture,” which term shall have the meaning
assigned to it in such instrument, as supplemented by the Third Supplemental Indenture, dated as of March 30, 2010, as supplemented on March 8, 2011 by the Additional Notes Supplement among such parties (the “Third Supplemental
Indenture” and, together with the Base Indenture, the “Indenture”), among América Móvil, S.A.B. de C.V., the Guarantor, The Bank of New York Mellon, as Trustee, Security Registrar, Principal Paying Agent and Transfer
Agent, and the Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent and Luxembourg Transfer Agent, the full and punctual payment when due, whether at maturity, upon redemption, by acceleration or otherwise, of the principal of,
premium, if any, and interest on, and any other amounts due under the Notes and all other obligations of the Company under the Indenture including, without limitation, if any such payment is subject to withholding for or on account of any taxes,
duties, assessments or other governmental charges imposed with respect thereto by a Mexican taxing authority, payments of additional amounts to the Holders of the Note to which this Guarantee is annexed so that the net amount received by such Holder
equals the amount that would have been received absent such withholding, subject to the limitations provided in Section 203 of the Third Supplemental Indenture. Capitalized terms used but not defined herein shall have the respective meanings
given to them in the Indenture. 
 The obligations of the Guarantor to the Holders and to the Trustee pursuant to this Guarantee
and the Indenture shall be limited to the maximum amount as shall, after giving effect to all other liabilities (fixed and contingent) of the Guarantor, result in the obligations of the Guarantor under the Guarantees not constituting a fraudulent
conveyance or fraudulent transfer under applicable law. 
 The obligations of the Guarantor to the Holders and to the Trustee
pursuant to this Guarantee and the Indenture are expressly set forth, to the extent and in the manner provided, in Article Eleven of the Indenture, as supplemented by the Third Supplemental Indenture, and reference is hereby made to such Indenture
for the precise terms of the Guarantee therein made. 

  
 B-1

 This Guarantee shall not be valid or obligatory for any purpose until the certificate of
authentication on the Note to which this Guarantee is annexed shall have been executed by the Trustee under the Indenture by the manual signature of one of its authorized signatories. 

This Guarantee shall be governed by, and construed in accordance with, the laws of the State of New York. 

This Guarantee is subject to release upon the terms set forth in the Indenture. 

  
 B-2

 IN WITNESS WHEREOF, the Guarantor has caused this Guarantee to be duly executed. 

 

			
	RADIOMÓVIL DIPSA, S.A. de C.V.
		
	By:	 	 
		 	Name:
		 	Title:
		
	By:	 	 
		 	Name:
		 	Title:

  
 B-3

 EXHIBIT C 
 FORM OF TRANSFER CERTIFICATE 
 FOR TRANSFER FROM RESTRICTED GLOBAL

 NOTE TO REGULATION S GLOBAL NOTE 
 (Transfers pursuant to § 206(b)(i) 
 of the Third Supplemental
Indenture) 
 The Bank of New York Mellon 
     as Trustee 
  

	 	Re:	5.000% Senior Notes due 2020 of 

	 	 	América Móvil, S.A.B. de C.V. (the “Notes”) 

 Reference is hereby made to the Additional Notes Supplement, dated as of March 8, 2011 (the “Additional Notes Supplement”), to the Third Supplemental Indenture, dated as of March 30,
2010 (the “Supplemental Indenture”), among América Móvil, S.A.B. de C.V., as Issuer (the “Issuer”), Radiomóvil Dipsa, S.A. de C.V., as Guarantor (the “Guarantor”), The Bank of New York Mellon, as
Trustee (the “Trustee”), Security Registrar, Principal Paying Agent and Transfer Agent, and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent and Luxembourg Transfer Agent, to the Indenture dated as of
September 30, 2009 among the Issuer, the Guarantor and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Additional Notes Supplement. 

This letter relates to U.S.$         principal amount of Notes which are evidenced by one or
more Restricted Global Notes (CUSIP No.: 02364W AZ8; ISIN No.: US02364WAZ86) and held with the Depositary in the name of [INSERT NAME OF TRANSFEROR] (the “Transferor”). The Transferor has requested a transfer of such beneficial interest in
the Notes to a person who shall take delivery thereof in the form of an equal principal amount of Notes evidenced by one or more Regulation S Global Notes (CUSIP No.: P0280A EE7; Common Code: 059691805; ISIN No.: USP0280AEE75), which amount,
immediately after such transfer, is to be held with the Depositary. 
 In connection with such request and in respect of such
Notes, the Transferor does hereby certify that such transfer has been effected pursuant to and in accordance with Rule 903 or Rule 904 (as applicable) under the Securities Act or Rule 144, and accordingly the Transferor does hereby further certify
that: 
 (i) If the transfer is being effected pursuant to Rule 903 and Rule 904: 

 

	 	(1)	the offer of the Notes was not made to a Person in the United States; 

  

	 	(2)	either: 

 (A) at
the time the buy order was originated, the transferee was outside the United States or the Transferor and any Person acting on its behalf reasonably believed that the transferee was outside the United States, or 

(B) the transaction was executed in, on or through the facilities of a designated offshore securities market and neither
the Transferor nor any Person 

  
 C-1

 
acting on its behalf knows that the transaction was pre-arranged with a buyer in the United States; 
  

	 	(3)	no directed selling efforts have been made in contravention of the requirements of Rule 903(b) or 904(b) of Regulations S, as applicable; 

 

	 	(4)	the transaction is not part of a plan or scheme to evade the registration requirements of the Securities Act; and 

 

	 	(5)	upon completion of the transaction, the beneficial interest being transferred as described above is to be held with the Depositary through Euroclear or Clearstream,
Luxembourg or both. 

 (ii) If the transfer is being effected pursuant to Rule 144, the Notes are
being transferred in a transaction permitted by Rule 144. 
 This certificate and the statements contained herein are made for
your benefit and the benefit of the Issuer, the Guarantor and the initial purchasers, if any, of the initial offering of such Notes being transferred. Terms used in this certificate and not otherwise defined in the Additional Notes Supplement have
the meanings set forth in Regulation S or Rule 144. 
  

			
	[Insert Name of Transferor]
		
	By:	 	 
		 	Name:
		 	Title:

 Dated: 

 

	cc:	América Móvil, S.A.B. de C.V. 

	 	Radiomóvil Dipsa, S.A. de C.V. 

  
 C-2

 EXHIBIT D 
 FORM OF TRANSFER CERTIFICATE 
 FOR TRANSFER FROM RESTRICTED GLOBAL

 NOTE TO UNRESTRICTED GLOBAL NOTE 
 (Transfers Pursuant to § 206(b)(ii) 
 of the Third Supplemental
Indenture) 
 The Bank of New York Mellon 
     as Trustee 
  

	 	Re:	5.000% Senior Notes due 2020 of 

	 	 	América Móvil, S.A.B. de C.V. (the “Notes”) 

 Reference is hereby made to the Additional Notes Supplement, dated as of March 8, 2011 (the “Additional Notes Supplement”), to the Third Supplemental Indenture, dated as of March 30,
2010 (the “Supplemental Indenture”), among América Móvil, S.A.B. de C.V., as Issuer (the “Issuer”), Radiomóvil Dipsa, S.A. de C.V., as Guarantor (the “Guarantor”), The Bank of New York Mellon, as
Trustee (the “Trustee”), Security Registrar, Principal Paying Agent and Transfer Agent, and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent and Luxembourg Transfer Agent, to the Indenture as of September 30,
2009 among the Issuer, the Guarantor and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Additional Notes Supplement. 
 This letter relates to U.S.$         principal amount of Notes which are evidenced by one or more Restricted Global Notes (CUSIP No.: 02364W AZ8; ISIN No.:
US02364WAZ86) and held with the Depositary in the name of [INSERT NAME OF TRANSFEROR] (the “Transferor”). The Transferor has requested a transfer of such beneficial interest in the Notes to a Person that shall take delivery thereof in the
form of an equal principal amount of Notes evidenced by one or more Unrestricted Global Notes (CUSIP No.:     ). 
 In connection with such request and in respect of such Notes, the Transferor does hereby certify that such transfer has been effected pursuant to and in accordance with either (i) Rule 903 or Rule
904 (as applicable) under the Securities Act, or (ii) Rule 144, and accordingly the Transferor does hereby further certify that: 
 (i) If the transfer has been effected pursuant to Rule 903 and Rule 904: 
 (1) the offer of the Notes was not made to a Person in the United States; 
 (2) either: 
 (A) at the time the buy order was originated, the
transferee was outside the United States or the Transferor and any Person acting on its behalf reasonably believed that the transferee was outside the United States, or 

(B) the transaction was executed in, on or through the facilities of a designated offshore securities market and neither
the Transferor nor any Person acting on its behalf knows that the transaction was pre-arranged with a buyer in the United States; 

  
 D-1

 (3) no directed selling efforts have been made in contravention of the
requirements of Rule 903(b) or 904(b) of Regulation S, as applicable; and 
 (4) the transaction is not part of a
plan or scheme to evade the registration requirements of the Securities Act. 
 (ii) If the transfer has been
effected pursuant to Rule 144, the Notes have been transferred in a transaction permitted by Rule 144. 
 This certificate and
the statements contained herein are made for your benefit and the benefit of the Issuer, the Guarantor and the initial purchasers, if any, of the initial offering of such Notes being transferred. Terms used in this certificate and not otherwise
defined in the Additional Notes Supplement have the meanings set forth in Regulation S under the Securities Act. 
  

			
	[Insert Name of Transferor]
		
	By:	 	 
		 	Name:
		 	Title:

 Dated: 

 

	cc:	América Móvil, S.A.B. de C.V. 

	 	Radiomóvil Dipsa, S.A. de C.V. 

  
 D-2

 EXHIBIT E 
 FORM OF TRANSFER CERTIFICATES 
 FOR TRANSFER FROM REGULATION S GLOBAL

 NOTE OR UNRESTRICTED GLOBAL NOTE 
 TO RESTRICTED GLOBAL NOTE 
 (Transfers Pursuant to § 206(b)(iii)

 of the Third Supplemental Indenture) 
 [Transferor Certificate] 
 The Bank of New York Mellon 

    as Trustee 
  

	 	Re:	5.000% Senior Notes due 2020 of 

	 	 	América Móvil, S.A.B. de C.V. (the “Notes”) 

 Reference is hereby made to the Additional Notes Supplement, dated as of March 8, 2011 (the “Additional Notes Supplement”), to the Third Supplemental Indenture, dated as of March 30,
2010 (the “Supplemental Indenture”), among América Móvil, S.A.B. de C.V., as Issuer (the “Issuer”), Radiomóvil Dipsa, S.A. de C.V., as Guarantor (the “Guarantor”), The Bank of New York Mellon, as
Trustee (the “Trustee”), Security Registrar, Principal Paying Agent and Transfer Agent, and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg Paying Agent and Luxembourg Transfer Agent, to the Indenture as of September 30,
2009 among the Issuer, the Guarantor and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Additional Notes Supplement. 
 This letter relates to U.S.$         principal amount of Notes which are evidenced by one or more [Regulation S Global Notes (CUSIP No.: P0280A EE7; Common
Code: 059691805; ISIN No.: USP0280AEE75)] [Unrestricted Global Notes (CUSIP No.:                     ] and held with the Depositary in the name of
[INSERT NAME OF TRANSFEROR] (the “Transferor”). The Transferor has requested a transfer of such beneficial interest in the Notes to a person that shall take delivery thereof (the “Transferee”) in the form of an equal principal
amount of Notes evidenced by one or more Restricted Global Notes (CUSIP No.: 02364W AZ8; ISIN No.: US02364WAZ86). 
 In
connection with such request and in respect of such Notes, the Transferor does hereby certify that: 
 (1) such transfer is
being effected in accordance with all applicable securities laws of any state of the United States or any other jurisdiction; 

(2) the Notes are being transferred in accordance with Rule 144A to a transferee whom the Transferor reasonably believes is a qualified
institutional buyer within the meaning of Rule 144A and is purchasing the Notes for its own account or any account with respect to which the transferee exercises sole investment discretion, in each case in a transaction meeting the requirements of
Rule 144A; and 
 (3) it has notified the transferee that it has relied on Rule 144A as a basis for the exemption from the
registration requirements of the Securities Act used in connection with the transfer. 

  
 E-1

 This certificate and the statements contained herein are made for your benefit and the
benefit of the Issuer, the Guarantor and the initial purchasers, if any, of the initial offering of such Notes being transferred. 
  

			
	[Insert Name of Transferor]
		
	By:	 	 
		 	Name:
		 	Title:

 Dated: 

 

	cc:	América Móvil, S.A.B. de C.V. 

	 	Radiomóvil Dipsa, S.A. de C.V. 

  
 E-2Registration Rights Agreement dated as of March 8, 2011

 Exhibit 4.9 
 Execution Copy 
  

 
  

REGISTRATION RIGHTS AGREEMENT 
 Dated as of March 8, 2011 
 among 

AMÉRICA MÓVIL, S.A.B. de C.V., 
 RADIOMÓVIL DIPSA, S.A. de C.V. 
 and 

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED, 
 as Dealer Manager 
  
  

 

 REGISTRATION RIGHTS AGREEMENT dated as of March 8, 2011 (this
“Agreement”) is entered into by and among América Móvil, S.A.B. de C.V. (the “Company”), a sociedad anónima bursátil de capital variable organized under the laws of the United
Mexican States (“Mexico”), Radiomóvil Dipsa, S.A. de C.V. (the “Guarantor”), a sociedad anónima de capital variable, organized under the laws of Mexico, and Merrill Lynch, Pierce,
Fenner & Smith Incorporated, as Dealer Manager (the “Dealer Manager”). 
 The Company, the Guarantor
and the Dealer Manager are parties to the Dealer Manager Agreement dated February 2, 2011 (the “Dealer Manager Agreement”), which provides for the issuance by the Company of its 5.750% Senior Notes due 2015 (the “2015
Notes”) and its 5.000% Senior Notes due 2020 (the “2020 Notes” and, together with the 2015 Notes, the “Notes”) in an exchange offer to holders of the 5.50% Senior Notes due 2015 and 5.500% Senior Notes due
2019 of Teléfonos de México, S.A.B. de C.V. (together, the “Telmex Notes”), respectively, to exchange their Telmex Notes for the Notes. The Notes will be guaranteed as to the payment of principal, premium, if any,
interest and other amounts payable pursuant to the applicable Indenture (as defined below) by the Guarantor (the “Guarantees”). As an inducement to the holders of the Telmex Notes to participate in the exchange offer, the Company
and the Guarantor have agreed to provide to the holders of the Notes and their direct and indirect transferees the registration rights set forth in this Agreement. 
 In consideration of the foregoing, the parties hereto agree as follows: 
 1.
Definitions. As used in this Agreement, the following terms shall have the following meanings: 

“2015 Indenture” means the Indenture dated as of March 9, 2004 among the Company, the Guarantor and
The Bank of New York Mellon (as successor to JPMorgan Chase Bank), as trustee, as supplemented by the Fourth Supplemental Indenture, dated as of November 3, 2004, among the Company, the Guarantor and The Bank of New York Mellon (as successor to
JPMorgan Chase Bank), as trustee, security registrar, principal paying agent and transfer agent, and the Additional Notes Supplement thereto dated as of the date hereof, as amended from time to time in accordance with the terms thereof. 

“2020 Indenture” means the Indenture dated as of September 30, 2009 among the Company, the Guarantor
and The Bank of New York Mellon, as trustee, as supplemented by the Second Supplemental Indenture, dated as of March 30, 2010, among the Company, the Guarantor, The Bank of New York Mellon, as trustee, security registrar, principal paying agent
and transfer agent, and The Bank of New York Mellon (Luxembourg) S.A., as Luxembourg paying agent and transfer agent, and the Additional Notes Supplement thereto dated as of the date hereof, as amended from time to time in accordance with the terms
thereof. 

  
 1 

 “Business Day” means any day that is not a Saturday, Sunday
or other day on which commercial banks in New York City or Mexico City are authorized or required by law, regulation or executive order to remain closed. 
 “Company” shall have the meaning set forth in the preamble and shall also include the Company’s successors. 

“Dealer Manager” shall have the meaning set forth in the preamble. 

“Dealer Manager Agreement” shall have the meaning set forth in the preamble. 

“Depositary” means The Depository Trust Company until a successor Depositary should have become
Depositary pursuant to the applicable provisions of the applicable Indenture, and the thereafter “Depositary” should mean such successor Depositary. 
 “Euro MTF” means the Euro MTF, the alternative market of the Luxembourg Stock Exchange. 
 “Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended. 
 “Exchange Dates” shall have the meaning set forth in Section 2(a)(ii) hereof. 
 “Exchange Notes” means the 5.750% Senior Notes due 2015 issued by the Company under the 2015 Indenture and the 5.000% Senior Notes due 2020 issued by the Company under the 2020 Indenture
containing terms substantially identical to the 2015 Notes and the 2020 Notes, respectively (except that (i) interest thereon shall accrue from the last date to which interest has been paid or duly provided for on the Notes of such series or,
if no such interest has been paid or duly provided for, from the Settlement Date, (ii) the transfer restrictions and legends relating to restrictions on ownership and transfer thereof as a result of the issuance of the Notes of such series
without registration under the Securities Act shall be eliminated and (iii) each of the 5.750% Senior Notes due 2015 and the 5.000% Senior Notes due 2020 shall be represented by one or more global Exchange Notes in book-entry form unless
exchanged for Exchange Notes in definitive certificated form under the limited circumstances provided in the applicable Indenture) to be offered to Holders of the Registrable Notes of such series in exchange for such Registrable Notes pursuant to
the Exchange Offer. 

  
 2 

 “Exchange Offer” means the exchange offer by the Company
and the Guarantor of Exchange Notes for Registrable Notes pursuant to Section 2(a) hereof. 

“Exchange Offer Registration” means a registration under the Securities Act effected pursuant to
Section 2(a) hereof. 
 “Exchange Offer Registration Statement” means an exchange offer
registration statement on Form F-4 (or, if applicable, on another appropriate form) and all amendments and supplements to such registration statement, in each case including the Prospectus contained therein, all exhibits thereto and any document
incorporated by reference therein. 
 “Free Writing Prospectus” means each free writing
prospectus (as defined in Rule 405 under the Securities Act) prepared by or on behalf of the Company or used or referred to by the Company in connection with the offer or sale of Notes or Exchange Notes. 

“Guarantees” shall have the meaning set forth in the preamble. 

“Guarantor” shall have the meaning set forth in the preamble and shall also include the Guarantor’s
successors. 
 “Holder” means any holder of the Notes, for so long as it owns any Registrable
Notes, and each of its successors, assigns and direct and indirect transferees who become owners of Registrable Notes under the applicable Indenture; provided that, for purposes of Sections 4 and 5 hereof, the term “Holders” shall
include Participating Broker-Dealers. 
 “Indenture” means the 2015 Indenture or the 2020
Indenture, as applicable. 
 “Issuer Information” shall have the meaning set forth in
Section 5(a) hereof. 
 “Majority Holders” means the Holders of a majority of the aggregate
principal amount of a series of outstanding Registrable Notes; provided that, whenever the consent or approval of Holders of a specified percentage of a series of Registrable Notes is required hereunder, Registrable Notes or Exchange Notes
owned directly or indirectly by the Company or any of its affiliates (as such term is defined in Rule 405 under the Securities Act) shall not be counted in determining whether such consent or approval was given by the Holders of such required
percentage or amount. 

  
 3 

 “Participating Broker-Dealers” shall have the meaning set
forth in Section 4(a) hereof. 
 “Person” means an individual, partnership, limited
liability company, corporation, trust or unincorporated organization, or a government or agency or political subdivision thereof. 
 “Prospectus” means the prospectus included in a Registration Statement, including any preliminary prospectus, and any such prospectus as amended or supplemented by any prospectus
supplement, including a prospectus supplement with respect to the terms of the offering of any portion of the Registrable Notes covered by a Shelf Registration Statement, and by all other amendments and supplements to such prospectus, and in each
case including any document incorporated by reference therein. 
 “Registrable Notes” means all
of the Notes; provided that the Notes of a series shall cease to be Registrable Notes when (i) a Registration Statement with respect to the Notes of such series shall have become effective under the Securities Act and such Notes shall
have been disposed of pursuant to such Registration Statement, (ii) such Notes shall have ceased to be outstanding or (iii) such Notes have been exchanged for Exchange Notes which have been registered pursuant to an Exchange Offer
Registration Statement upon consummation of the Exchange Offer relating to such series of Notes unless, in the case of any Exchange Notes referred to in this clause (iii), such Exchange Notes are held by a Participating Broker-Dealer or otherwise
are not freely tradable without any limitations or restrictions under the Securities Act (in which case such Exchange Notes will be deemed to be Registrable Notes until expiration of the period specified in Section 4(b) hereof). 

“Registration Expenses” means any expenses and costs incident to performance of or compliance by the
Company and the Guarantor with this Agreement, including without limitation: (i) all SEC or Financial Industry Regulatory Authority registration and filing fees, (ii) all fees and expenses incurred in connection with compliance with state
securities or blue sky laws in jurisdictions designated pursuant to Section 3(e) hereof (including reasonable and documented fees and disbursements of counsel for any Underwriters or Holders in connection with blue sky qualification of any
Exchange Notes or any Registrable Notes), (iii) all expenses of any Persons in preparing or assisting in preparing, word processing, printing and distributing any Registration Statement, any Prospectus, any Free Writing Prospectus and any
amendments or supplements thereto, any underwriting agreements, securities sales agreements or other similar agreements and any other documents relating to the performance of and compliance with this Agreement, (iv) any rating agency fees,
(v) all fees 

  
 4 

 
and disbursements relating to the qualification of each Indenture under applicable securities laws, (vi) the fees and disbursements of the Trustee and its counsel, (vii) the fees and
disbursements of U.S. and Mexican and other counsel to the Company and Guarantor, and, in the case of a Shelf Registration Statement, the reasonable and documented fees and expenses of one U.S. counsel and, if applicable, one Mexican counsel, for
the Holders, the Underwriters and the Dealer Manager (which counsel shall be Simpson Thacher & Bartlett LLP and Mijares, Angoitia, Cortés y Fuentes, S.C. or such other counsel as may be selected by the Majority Holders of the series
of Registrable Notes covered by such Shelf Registration Statement and which counsel may also be counsel for the Dealer Manager), (viii) all fees relating to the listing of any Exchange Notes or any Registrable Notes on the Luxembourg Stock
Exchange for trading on the Euro MTF, (ix) the fees and disbursements of the independent public accountants of the Company and the Guarantor; however, the term “Registration Expenses” shall exclude fees and expenses of counsel for the
Underwriters (other than fees and expenses set forth in clauses (ii) and (vii) above) or the Holders and underwriting discounts and commissions and transfer taxes, if any, relating to the sale or disposition of Registrable Notes by a
Holder. 
 “Registration Statement” means any registration statement of the Company and the
Guarantor that covers any Exchange Notes or any Registrable Notes pursuant to the provisions of this Agreement and all amendments and supplements to any such registration statement, including post-effective amendments, in each case including each
Prospectus contained therein, all exhibits thereto and any document incorporated by reference therein. 

“Rule 144” means Rule 144 under the Securities Act, as such Rule may be amended from time to time, or any
successor provision to such Rule. 
 “Rule 144A” means Rule 144A under the Securities Act, as
such Rule may be amended from time to time, or any successor provision to such Rule. 
 “SEC”
means the U.S. Securities and Exchange Commission. 
 “Securities Act” means the U.S. Securities
Act of 1933, as amended from time to time. 
 “Settlement Date” shall have the meaning set forth
in the Dealer Manager Agreement. 
 “Shelf Effectiveness Period” shall have the meaning set
forth in Section 2(b) hereof. 

  
 5 

 “Shelf Registration” means a registration effected pursuant
to Section 2(b) hereof. 
 “Shelf Registration Statement” means a “shelf”
registration statement of the Company and the Guarantor that covers all the Registrable Notes of a series (but no other securities unless approved by the Holders whose Registrable Notes are to be covered by such Shelf Registration Statement) on an
appropriate form under Rule 415 under the Securities Act, or any similar rule that may be adopted by the SEC, and all amendments and supplements to such registration statement, including post-effective amendments, in each case including each
Prospectus contained therein, all exhibits thereto and any document incorporated by reference therein. 

“Trust Indenture Act” means the U.S. Trust Indenture Act of 1939, as amended from time to time, and any
rules, regulations and forms promulgated thereunder. 
 “Trustee” means the Trustee with respect
to each series of Notes under each Indenture. 
 “Underwriter” shall have the meaning set forth
in Section 3 hereof. 
 “Underwritten Offering” means an offering in which Registrable
Notes are sold to an Underwriter for reoffering to the public. 
 For purposes of this Agreement, all references in this
Agreement to: (i) any Registration Statement, preliminary prospectus or Prospectus or any amendment or supplement to any of the foregoing shall be deemed to include the version filed with the SEC pursuant to its EDGAR; (ii) financial
statements and schedules and other information which is “contained,” “included” or “stated” in any Registration Statement or Prospectus (or other similar references) shall be deemed to mean and include all such
financial statements and schedules and other information which is incorporated or deemed to be incorporated by reference in such Registration Statement or Prospectus, as the case may be; (iii) amendments or supplements to any Registration
Statement or Prospectus shall be deemed to mean and include the filing of any document under the Exchange Act which is incorporated or deemed to be incorporated by reference in such Registration Statement or Prospectus, as the case may be;
(iv) Rule 144, Rule 144A or Rule 405 under the Securities Act, and all references to any sections or subsections thereof or terms defined therein, shall be deemed to mean and include any successor provisions thereto; and
(v) “days” (but not to Business Days) means calendar days. 
 For purposes of this Agreement, all references to
“Notes,” “Exchange Notes” or “Registrable Notes” shall be deemed to include the related Guarantees of 

  
 6 

 
such Notes, Exchange Notes or Registrable Notes by the Guarantor pursuant to the applicable Indenture, except where otherwise indicated or the context otherwise requires. 

2. Registration Under the Securities Act. (a) To the extent not prohibited by any applicable law or applicable
interpretations of the Staff of the SEC and except in the circumstances contemplated by Section 2(b)(i) hereof, the Company and the Guarantor shall use their reasonable best efforts to (i) cause to be filed with the SEC one or more
Exchange Offer Registration Statements covering an offer to the Holders to exchange all Registrable Notes for Exchange Notes as soon as practicable following the Settlement Date, (ii) cause such Exchange Offer Registration Statement or
Statements to become effective under the Securities Act as soon as practicable following filing with the SEC and (iii) have such Exchange Offer Registration Statement or Statements remain effective until the earlier of (A) 120 days after
the closing of the Exchange Offer relating to the series of Registrable Notes covered by such Exchange Offer Registration Statement and (B) such time as all Participating Broker-Dealers no longer own any Registrable Notes of such series. The
Company and the Guarantor shall use their reasonable best efforts to commence each Exchange Offer promptly after the related Exchange Offer Registration Statement is declared effective by the SEC and to complete such Exchange Offer not later than 60
days after such effective date. For purposes of this Agreement, an Exchange Offer for a series of Notes shall be deemed completed upon the earlier to occur of (i) the Company and the Guarantor having exchanged Exchange Notes for all outstanding
Registrable Notes of such series (other than those held by Holders that are ineligible to participate in such Exchange Offer) pursuant to such Exchange Offer and (ii) the Company and the Guarantor having exchanged, pursuant to such Exchange
Offer, Exchange Notes for all Registrable Notes of such series that have been properly tendered and not withdrawn before the expiration of such Exchange Offer; provided, however, that the Company and the Guarantor may, in their
discretion, accept tenders of Registrable Notes of such series for Exchange Notes subsequent to the date the Company and the Guarantor consummate such Exchange Offer with respect to Registrable Notes of such series tendered as of the date of initial
consummation, and the Exchange Offer shall be deemed to have been consummated for such series of Notes notwithstanding any such extension of the tender period. 
 The Company and the Guarantor shall commence each Exchange Offer by mailing the related Prospectus, appropriate letters of transmittal and other accompanying documents to each Holder of Registrable Notes
of the series covered by such Exchange Offer stating, in addition to such other disclosures as are required by applicable law: 

  
 7 

 (i) that such Exchange Offer is being made pursuant to this Agreement and
that all Registrable Notes of such series validly tendered and not properly withdrawn will be accepted for exchange; 
 (ii) the dates of acceptance for exchange (which shall be a period of at least 20 Business Days from the date such notice is mailed) (the “Exchange Dates”); 

(iii) that any Registrable Note of such series not tendered will remain outstanding and continue to accrue interest but
will not retain any rights under this Agreement; 
 (iv) that any Holder electing to have a Registrable Note of
such series exchanged pursuant to such Exchange Offer will be required to surrender such Registrable Note, together with the appropriate letters of transmittal, to the institution and at the address (located in New York City) and in the manner
specified in the notice, prior to the close of business on the last Exchange Date; and 
 (v) that any Holder
will be entitled to withdraw its election, not later than the close of business on the last Exchange Date, in the manner specified in such notice. 
 As a condition to participating in an Exchange Offer, a Holder of Registrable Notes of the series covered by such Exchange Offer will be required to represent to the Company and the Guarantor that
(i) any Exchange Notes to be received by it will be acquired in the ordinary course of its business, (ii) at the time of the commencement of such Exchange Offer it has no arrangement or understanding with any Person to participate in the
distribution (within the meaning of the Securities Act) of the Exchange Notes to be issued in such Exchange Offer in violation of the provisions of the Securities Act, (iii) it is not an “affiliate” (within the meaning of Rule 405
under Securities Act) of the Company or the Guarantor and (iv) if such Holder is a broker-dealer, that it will receive any Exchange Notes to be issued in such Exchange Offer for its own account in exchange for Registrable Notes that were
acquired as a result of market-making or other trading activities, and that it will deliver, to the extent required by applicable law or regulation or SEC pronouncement, a Prospectus in connection with any resale of such Exchange Notes. 

As soon as practicable after the last Exchange Date, the Company and the Guarantor shall: 

  
 8 

 (i) accept for exchange Registrable Notes of such series or portions thereof
validly tendered and not properly withdrawn pursuant to such Exchange Offer; and 
 (ii) deliver, or cause to be
delivered, to the Trustee for cancellation all Registrable Notes or portions thereof so accepted for exchange by the Company in such Exchange Offer and issue, and cause the Trustee to promptly authenticate and deliver to each Holder, Exchange Notes
equal in principal amount to the principal amount of the Registrable Notes surrendered by such Holder. 
 The Company and the
Guarantor shall use their reasonable best efforts to complete each Exchange Offer as provided above and shall comply with the applicable requirements of the Securities Act, the Exchange Act and other applicable laws and regulations in connection
with each Exchange Offer. 
 (b) In the event that (i) the Company and the Guarantor determine that an Exchange Offer
Registration provided for in Section 2(a) hereof is not permitted or may not be completed as soon as practicable after the last Exchange Date because it would violate any applicable law or applicable interpretations of the Staff of the SEC, or
because the Exchange Notes received by Holders in such Exchange Offer are not, or would not be upon receipt, transferable by each such Holder without need for further compliance with Section 5 of the Securities Act (except for the requirement
to deliver a Prospectus in connection with any resale by a Participating Broker-Dealer) or (ii) such Exchange Offer is not for any other reason completed by June 30, 2011, the Company and the Guarantor shall use their reasonable best
efforts to cause to be filed as soon as practicable after such determination, date or request, as the case may be, a Shelf Registration Statement providing for the sale of all such Registrable Notes by the Holders thereof and to have such Shelf
Registration Statement become effective under the Securities Act; provided that, if the foregoing requirement to file a Shelf Registration Statement arises on a date more than one year after the date of this Agreement, no such Shelf
Registration Statement shall be required to be filed to the extent the Registrable Securities have been sold pursuant to Rule 144 or have become freely tradable by Persons other than “affiliates” (as defined in Rule 144) of the Company
pursuant to Rule 144, in each case, under circumstances in which any legend borne by the Securities relating to restrictions on transferability thereof is permanently removed, the Securities do not bear a restricted CUSIP number and such Securities
are permanently eligible to be sold pursuant to Rule 144. 
 The Company and the Guarantor agree to use their reasonable best
efforts to keep any such Shelf Registration Statement continuously effective for a period of not less than 90 days with respect to the Registrable Notes covered by such Shelf Registration Statement or such shorter period that will terminate when all
such 

  
 9 

 
Registrable Notes have been sold (A) pursuant to such Shelf Registration Statement or (B) beginning on the date that is more than one year after the date of this Agreement, pursuant to
Rule 144 or have become freely tradable by Persons other than “affiliates” (as defined in Rule 144) of the Company pursuant to Rule 144, in each case, under circumstances in which any legend borne by the Securities relating to restrictions
on transferability thereof is permanently removed, the Securities do not bear a restricted CUSIP number and such Securities are permanently eligible to be sold pursuant to Rule 144 (the “Shelf Effectiveness Period”). The Company and
the Guarantor further agree to supplement or amend such Shelf Registration Statement, the related Prospectus and any Free Writing Prospectus if required by the rules, regulations or instructions applicable to the registration form used by the
Company and the Guarantor for such Shelf Registration Statement or by the Securities Act or by any other rules and regulations thereunder for shelf registration or if reasonably requested by a Holder of such Registrable Notes with respect to
information relating to such Holder, and to use their reasonable best efforts to cause any such amendment to become effective and such Shelf Registration Statement, Prospectus or Free Writing Prospectus, as the case may be, to become usable as soon
as thereafter practicable. The Company and the Guarantor agree to furnish to the Holders of Registrable Notes of such series copies of any such supplement or amendment promptly after its being used or filed with the SEC. 

(c) The Company and the Guarantor shall pay all Registration Expenses in connection with each registration provided in Sections 2(a) and
2(b) hereof. Each Holder shall pay all underwriting discounts and commissions and transfer taxes, if any, relating to the sale or disposition of such Holder’s Registrable Notes pursuant to any Shelf Registration Statement. 

(d) An Exchange Offer Registration Statement pursuant to Section 2(a) hereof will not be deemed to have become effective unless it
has been declared effective by the SEC. A Shelf Registration Statement pursuant to Section 2(b) hereof will not be deemed to have become effective unless it has been declared effective by the SEC or becomes automatically effective upon filing
with the SEC as provided by Rule 462 under the Securities Act. Any obligation to file with the SEC a Shelf Registration Statement pursuant to Section 2(b) hereof will be deemed to be satisfied if the Company has previously filed a registration
statement with the SEC that may be used without limitation or restriction for the purposes contemplated by Section 2(b) hereof. 
 (e) In the event that either the Exchange Offer relating to a series of Notes is not completed or the Shelf Registration Statement relating to such series, if required hereby, has not become effective
under the Securities Act on or prior to June 30, 2011 (July 30, 2011 solely in the case of a Shelf Registration Statement required pursuant to Section 2(b)(iii) hereof), the interest rate on the Registrable Notes of such series will be
increased by 0.50% per annum until an Exchange Offer relating to 

  
 10 

 
the Notes of such series is completed or a Shelf Registration Statement relating to the Notes of such series, if required hereby, becomes effective under the Securities Act, at which time the
increased interest shall cease to accrue. 
 If a Shelf Registration Statement has become effective under
the Securities Act and thereafter either ceases to be effective or the Prospectus contained therein ceases to be usable at any time during the Shelf Effectiveness Period, and such failure to remain effective or usable exists for more than 30 days
(whether or not consecutive) in any 12-month period (two suspensions not to exceed 30 days each in any 365-day period in the case of a suspension described in Section 3 hereof), then the interest rate on the Registrable Notes of the series
covered by such Shelf Registration Statement will be increased by 0.50% per annum commencing on the 31st day in such 12-month period and ending on such date that such Shelf Registration Statement has again become effective under the Securities Act or such Prospectus again becomes usable, at which time the
increased interest shall cease to accrue; provided, however, that if such Prospectus ceases to be usable because audited financial statements are required to be filed with the SEC and incorporated by reference in such Shelf Registration
Statement to comply with the undertaking of the Company and the Guarantor pursuant to Item 512(a)(4) of Regulation S-K (or any successor provision), such a suspension shall not be a suspension for purposes of the foregoing provision unless and
to the extent its duration exceeds 60 days. 
 3. Registration Procedures. In connection with their obligations pursuant
to Sections 2(a) and 2(b) hereof, the Company and the Guarantor shall as expeditiously as possible: 
 (a) prepare and file with
the SEC a Registration Statement or Registration Statements on the appropriate form under the Securities Act, which form shall (i) be selected by the Company, (ii) in the case of a Shelf Registration, be available for the sale of the
Registrable Notes by selling Holders thereof and (iii) comply as to form in all material respects with the requirements of the applicable form and include all financial statements and other information required by the SEC to be filed therewith;
and use their reasonable best efforts to cause each such Registration Statement to become effective and remain effective for the applicable period in accordance with Section 2 hereof; 

(b) prepare and file with the SEC such amendments and post-effective amendments to each Registration Statement as may be necessary to
keep such Registration Statement effective for the applicable period in accordance with Section 2 hereof and cause each Prospectus to be supplemented by any required prospectus supplement and, as so supplemented, to be filed pursuant to Rule
424 under the Securities Act; and keep each Prospectus current during the period described in Section 

  
 11 

 
4(3) of and Rule 174 under the Securities Act that is applicable to transactions by brokers or dealers with respect to Registrable Notes or Exchange Notes; 

(c) to the extent any Free Writing Prospectus is used, file with the SEC any Free Writing Prospectus that is required to be filed by the
Company or the Guarantor with the SEC in accordance with the Securities Act and to retain any Free Writing Prospectus not required to be filed; 
 (d) in the case of a Shelf Registration, furnish to each Holder of Registrable Notes of the series covered by such Shelf Registration, to U.S. counsel for the Dealer Manager, to counsel for such Holders
and to each Underwriter of an Underwritten Offering of Registrable Notes of such series, if any, without charge, as many copies of each Prospectus, including each preliminary Prospectus or Free Writing Prospectus, and any amendment or supplement
thereto as they may reasonably request, in order to facilitate the sale or other disposition of such Registrable Notes thereunder; and the Company and the Guarantor consent to the use of such Prospectus, preliminary Prospectus or Free Writing
Prospectus and any amendment or supplement thereto in accordance with applicable law by each of the selling Holders of Registrable Notes of such series and any such Underwriters in connection with the offering and sale of the Registrable Notes
covered by and in the manner described in such Prospectus, preliminary Prospectus or Free Writing Prospectus or any amendment or supplement thereto in accordance with applicable law; 

(e) use their reasonable best efforts to register or qualify the Registrable Notes under all applicable state securities or blue sky laws
of such jurisdictions as a majority of the Holders of Registrable Notes of each series covered by a Registration Statement shall reasonably request in writing by the time the applicable Registration Statement has become effective under the
Securities Act; cooperate with the Holders in connection with any filings required to be made with the Financial Industry Regulatory Authority; and do any and all other acts and things that may be reasonably necessary or advisable to enable each
Holder to complete the disposition in each such jurisdiction of the Registrable Notes owned by such Holder; provided that neither the Company nor the Guarantor shall be required to (i) qualify as a foreign corporation or other entity or
as a dealer in securities in any such jurisdiction where it would not otherwise be required to so qualify, (ii) file any general consent to service of process in any such jurisdiction, (iii) subject itself to taxation in any such
jurisdiction if it is not otherwise so subject or (iv) make any changes to its estatutos sociales or to any agreement between it and its shareholders; 
 (f) in the case of a Shelf Registration, notify each Holder of Registrable Notes of the series covered by such Shelf Registration, counsel for such Holders and counsel for the Dealer Manager promptly and,
if requested by any such Holder or counsel, confirm such advice in writing (i) when a Registration Statement 

  
 12 

 
relating to such series of Notes has become effective and when any post-effective amendment thereto has been filed and becomes effective, when any Free Writing Prospectus has been filed or any
amendment or supplement to the related Prospectus or any Free Writing Prospectus has been filed, (ii) of any request by the SEC or any state securities authority for amendments and supplements to a Registration Statement, Prospectus or any Free
Writing Prospectus relating to such series of Notes or for additional information after such Registration Statement has become effective, (iii) of the issuance by the SEC or any state securities authority of any stop order suspending the
effectiveness of a Registration Statement relating to such series of Notes or the initiation of any proceedings for that purpose, including the receipt by the Company of any notice of objection of the SEC to the use of a Shelf Registration Statement
or any post-effective amendment thereto pursuant to Rule 401(g)(2) under the Securities Act, (iv) of the happening of any event during the period a Shelf Registration Statement relating to such series of Notes is effective that makes any
statement made in such Registration Statement or the related Prospectus or any Free Writing Prospectus untrue in any material respect or that requires the making of any changes in such Registration Statement or Prospectus or any Free Writing
Prospectus in order to make the statements therein not misleading and (v) of any determination by the Company or the Guarantor that a post-effective amendment to a Registration Statement relating to such series of Notes or any amendment or
supplement to the related Prospectus or any Free Writing Prospectus would be appropriate; 
 (g) use their reasonable best
efforts to obtain the withdrawal of any order suspending the effectiveness of a Registration Statement or, in the case of a Shelf Registration, the resolution of any objection of the SEC pursuant to Rule 401(g)(2), including by filing an amendment
to such Shelf Registration Statement on the proper form, at the earliest possible moment and provide immediate notice to each Holder of Notes of the series covered by such Registration Statement of the withdrawal of any such order; 

(h) use all reasonable efforts to obtain the consent or approval of each Mexican or U.S. governmental agency or authority, whether
federal or state that may be required to effect each Exchange Offer and the offering and sale of Exchange Notes; 
 (i) in the
case of a Shelf Registration, furnish to each Holder of Registrable Notes covered by such Shelf Registration, without charge, at least one conformed copy of each Registration Statement relating to such series of Notes and any post-effective
amendment thereto (without any documents incorporated therein by reference or exhibits thereto, unless requested); 
 (j) in the
case of a Shelf Registration, cooperate with the selling Holders of Registrable Notes covered by such Shelf Registration to facilitate the timely preparation and delivery of certificates representing Registrable Notes of such series to

  
 13 

 
be sold and not bearing any restrictive legends and enable such Registrable Notes to be issued in such denominations and registered in such names (consistent with the provisions of the applicable
Indenture) as the selling Holders may reasonably request at least one Business Day prior to the closing of any sale of any such Registrable Notes; 
 (k) in the case of a Shelf Registration, upon the occurrence of any event contemplated by Section 3(f)(v) hereof, use their reasonable best efforts to prepare and file with the SEC a supplement or
post-effective amendment to a Registration Statement or the related Prospectus or any Free Writing Prospectus or any document incorporated therein by reference or file any other required document so that, as thereafter delivered (or, to the extent
permitted by law, made available) to purchasers of the Registrable Notes of the series covered by such Shelf Registration, such Prospectus or Free Writing Prospectus, as the case may be, will not contain any untrue statement of a material fact or
omit to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; and the Company and the Guarantor shall notify the Holders of such
Registrable Notes to suspend use of the Prospectus or any Free Writing Prospectus as promptly as practicable after the occurrence of such an event, and such Holders hereby agree to suspend use of the Prospectus or any Free Writing Prospectus, as the
case may be, until the Company and the Guarantor have amended or supplemented the Prospectus or the Free Writing Prospectus, as the case may be, to correct such misstatement or omission; 

(l) if reasonably requested by the Dealer Manager or Holders and their respective counsel, a reasonable time prior to the filing of any
Registration Statement, any Prospectus, any Free Writing Prospectus, any amendment to a Registration Statement or amendment or supplement to a Prospectus or a Free Writing Prospectus or of any document that is to be incorporated by reference into a
Registration Statement, a Prospectus or a Free Writing Prospectus after initial filing of a Registration Statement (and prior to the completion of an Exchange Offer in the case of an Exchange Offer Registration Statement), provide copies of such
document to the Dealer Manager and U.S. counsel for the Dealer Manager (and, in the case of a Shelf Registration Statement, to the Holders of Registrable Notes and their counsel) and make such of the representatives of the Company and the Guarantor
as shall be reasonably requested by the Dealer Manager or such counsel (and, in the case of a Shelf Registration Statement, the Holders of Registrable Notes or their counsel) available for discussion of such document; and, in such event, the Company
and the Guarantor shall not, at any time after initial filing of a Registration Statement, use or file any Prospectus, any Free Writing Prospectus, any amendment of or supplement to a Registration Statement or a Prospectus or a Free Writing
Prospectus, or any document that is to be incorporated by reference into a Registration Statement, a Prospectus or a Free Writing Prospectus, of which the Dealer Manager and such counsel (and, in the case of a Shelf Registration Statement, the
Holders of Registrable Notes and their 

  
 14 

 
counsel) shall not have previously been advised and furnished a copy or to which the Dealer Manager or such counsel (and, in the case of a Shelf Registration Statement, the Holders or their
counsel) shall reasonably and timely object; 
 (m) obtain CUSIP and ISIN numbers for all Exchange Notes or Registrable Notes,
as the case may be, not later than the effective date of a Registration Statement, and provide the Trustee with printed or word-processed certificates for the Exchange Notes or Registrable Notes, as the case may be, in a form eligible for deposit
with the Depositary; 
 (n) take all reasonable action necessary to ensure that the Exchange Notes of the relevant series, at
the time of the consummation of each Exchange Offer (or as soon as reasonably practicable thereafter), are admitted to listing on the Luxembourg Stock Exchange and trading on the Euro MTF or the New York Stock Exchange; 

(o) cause each Indenture to be qualified under the Trust Indenture Act in connection with the registration of the Exchange Notes or
Registrable Notes, as the case may be; cooperate with the Trustee and the Holders to effect such changes to each Indenture as may be required for such Indenture to be so qualified in accordance with the terms of the Trust Indenture Act; and execute,
and use their reasonable best efforts to cause the Trustee to execute, all documents as may be required to effect such changes and all other forms and documents required to be filed with the SEC to enable each Indenture to be so qualified in a
timely manner; 
 (p) in the case of a Shelf Registration, make available for inspection by a representative of Holders of
Registrable Notes of the series covered by such Shelf Registration that confirm to the Company and the Guarantor that it is their current intention to sell Registrable Notes pursuant to a Shelf Registration (an “Inspector”), any
Underwriter participating in any disposition pursuant to such Shelf Registration Statement, and counsel and accountants designated by such Holders, at reasonable times and in a reasonable manner, all pertinent financial and other records, documents
and properties of the Company and the Guarantor as may be reasonably requested by any such Inspector, Underwriter, counsel or accountant in connection with a Shelf Registration Statement, and cause the respective officers, directors and employees of
the Company and the Guarantor to supply such information; provided that if any such information is identified in writing by the Company and the Guarantor as being confidential or proprietary, each Person receiving such information shall use
such Person’s reasonable best efforts to protect the confidentiality of such information to the extent such action is otherwise not inconsistent with, an impairment of or in derogation of the substantial and necessary rights and interests of
any Inspector, Holder or Underwriter; and 

  
 15 

 (q) if reasonably requested by any Holder of Registrable Notes covered by a Registration
Statement, promptly incorporate in a Prospectus supplement or post-effective amendment such information with respect to such Holder as such Holder reasonably requests to be included therein and make all required filings of such Prospectus supplement
or such post-effective amendment as soon as the Company has received notification of the matters to be incorporated in such filing. 
 In the case of a Shelf Registration Statement, the Company and the Guarantor may require each Holder of Registrable Notes of the series of Registrable Notes covered by the Shelf Registration to furnish to
the Company or the Guarantor, as the case may be, such information regarding such Holder and the proposed disposition by such Holder of such Registrable Notes as the Company or the Guarantor may from time to time reasonably request in writing.

 In the case of any Registration Statement, each Holder of Registrable Notes covered thereby agrees that, upon receipt of any
notice from the Company or the Guarantor to the effect of the happening of any event of the kind described in Section 3(f)(iii) or 3(f)(iv) hereof or that the Prospectus included in any Registration Statement cannot be used for any other
reason, such Holder will forthwith discontinue disposition of its Registrable Notes pursuant to such Registration Statement until such Holder’s receipt of the copies of the supplemented or amended Prospectus and any Free Writing Prospectus
contemplated by Section 3(k) hereof and, if so directed by the Company and the Guarantor, such Holder will deliver to the Company and the Guarantor all copies in its possession, other than permanent file copies then in such Holder’s
possession, of the Prospectus and any Free Writing Prospectus covering such Registrable Notes that is current at the time of receipt of such notice. The Company and the Guarantor may give any such notice only twice during any 365-day period and any
such suspensions shall not exceed 30 days for each suspension and there shall not be more than two suspensions in effect during any 365-day period; provided, however, that if the Prospectus ceases to be usable because audited financial
statements are required to be filed with the SEC and incorporated by reference in the Shelf Registration Statement to comply with the undertaking of the Company and the Guarantor pursuant to Item 512(a)(4) of Regulation S-K (or any successor
provision), such a suspension shall not be a suspension for purposes of the foregoing provision unless and to the extent its duration exceeds 60 days. 
 If the Company and the Guarantor shall give any such notice to suspend the disposition of Registrable Notes pursuant to any Registration Statement, the Company and the Guarantor shall extend the period
during which such Registration Statement shall be maintained effective pursuant to this Agreement by the number of days during the period from and including the date of the giving of such notice to and including the date when the Holders shall have
received copies of the supplemented or 

  
 16 

 
amended Prospectus or any Free Writing Prospectus necessary to resume such dispositions. 
 The Holders of Registrable Notes covered by a Shelf Registration Statement who desire to do so may sell such Registrable Notes in an Underwritten Offering. In any such Underwritten Offering, the
investment banker or investment bankers and manager or managers (the “Underwriters”) that will administer the offering will be selected by the Majority Holders of the Registrable Notes of the series included in such offering.

 4. Participation of Broker-Dealers in Exchange Offer. (a) The Staff of the SEC has taken the position that any
broker-dealer that receives Exchange Notes for its own account in an Exchange Offer in exchange for Notes that were acquired by such broker-dealer as a result of market-making or other trading activities (a “Participating
Broker-Dealer”) may be deemed to be an “underwriter” within the meaning of the Securities Act and must deliver a prospectus meeting the requirements of the Securities Act in connection with any resale of such Exchange Notes.

 The Company and the Guarantor understand that it is the Staff’s position that if the Prospectus contained in an Exchange
Offer Registration Statement includes a plan of distribution containing a statement to the above effect and the means by which Participating Broker-Dealers may resell such Exchange Notes, without naming the Participating Broker-Dealers or specifying
the amount of Exchange Notes owned by them, such Prospectus may be delivered by Participating Broker-Dealers to satisfy their prospectus delivery obligation under the Securities Act in connection with resales of Exchange Notes for their own
accounts, so long as such Prospectus otherwise meets the requirements of the Securities Act. 
 (b) In light of the above, and
notwithstanding the other provisions of this Agreement, the Company and the Guarantor agree to amend or supplement the Prospectus contained in each Exchange Offer Registration Statement, as would otherwise be contemplated by Section 3(k)
hereof, for a period of up to 120 days after the last Exchange Date (as such period may be extended pursuant to the penultimate paragraph of Section 3 hereof), if requested by the Dealer Manager or by one or more Participating Broker-Dealers,
in order to expedite or facilitate the disposition of any Exchange Notes by Participating Broker-Dealers consistent with the positions of the Staff recited in Section 4(a) hereof. The Company and the Guarantor further agree that Participating
Broker-Dealers shall be authorized to deliver such Prospectus during such period in connection with the resales contemplated by this Section 4. 
 (c) The Dealer Manager shall have no liability to the Company, the Guarantor or any Holder with respect to any request that they may make pursuant to Section 4(b) hereof. 

  
 17 

 5. Indemnification and Contribution. (a) The Company and the Guarantor, jointly
and severally, agree to indemnify and hold harmless the Dealer Manager and each Holder, their respective affiliates, directors and officers and each Person, if any, who controls the Dealer Manager or any Holder within the meaning of Section 15
of the Securities Act or Section 20 of the Exchange Act, from and against any and all losses, claims, damages and liabilities (including, without limitation, legal fees and other expenses incurred in connection with any suit, action or
proceeding or any claim asserted, as such fees and expenses are incurred), joint or several, that arise out of, or are based upon, (1) any untrue statement or alleged untrue statement of a material fact contained in any Registration Statement
or any omission or alleged omission to state therein a material fact required to be stated therein or necessary in order to make the statements therein not misleading, or (2) any untrue statement or alleged untrue statement of a material fact
contained in any Prospectus, any Free Writing Prospectus or any “issuer information” (“Issuer Information”) filed or required to be filed pursuant to Rule 433(d) under the Securities Act, or any omission or alleged
omission to state therein a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, in each case except insofar as such losses, claims, damages or liabilities
arise out of, or are based upon, any untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity with any information furnished to the Company or the Guarantor in writing or to any selling Holder by
or on behalf of such Person expressly for use therein. 
 (b) Each Holder agrees, severally and not jointly, to indemnify and
hold harmless the Company, the Guarantor, the Dealer Manager and the other selling Holders, their respective affiliates, the directors of the Company and the Guarantor, each officer of the Company and the Guarantor who signed the Registration
Statement and each Person, if any, who controls the Company, the Guarantor, the Dealer Manager and any other selling Holder within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act to the same extent as the
indemnity set forth in Section 5(a) hereof, but only with respect to any losses, claims, damages or liabilities that arise out of, or are based upon, any untrue statement or omission or alleged untrue statement or omission made in reliance upon
and in conformity with any information relating to such Holder furnished to the Company or the Guarantor in writing by such Holder expressly for use in any Registration Statement, any Prospectus and any Free Writing Prospectus and, subject to the
limitation set forth immediately preceding this clause, shall reimburse such Persons for any legal or other expenses reasonably incurred by them in connection with investigating or defending any loss, claim, damage, liability or action in respect
thereof. 
 (c) If any suit, action, proceeding (including any governmental or regulatory investigation), claim or demand shall
be brought or asserted against any Person in respect of which indemnification may be sought pursuant to either Section 

  
 18 

 
5(a) or Section 5(b) hereof, such Person (the “Indemnified Person”) shall promptly notify the Person against whom such indemnification may be sought (the
“Indemnifying Person”) in writing; provided that the failure to notify the Indemnifying Person shall not relieve it from any liability that it may have under this Section 5 except to the extent that it has been
materially prejudiced (through the forfeiture of substantive rights or defenses) by such failure; and provided, further, that the failure to notify the Indemnifying Person shall not relieve it from any liability that it may have to an
Indemnified Person otherwise than under this Section 5. If any such proceeding shall be brought or asserted against an Indemnified Person and it shall have notified the Indemnifying Person thereof, the Indemnifying Person shall retain counsel
reasonably satisfactory to the Indemnified Person to represent the Indemnified Person and any others entitled to indemnification pursuant to this Section 5 that the Indemnifying Person may designate in such proceeding and shall pay the fees and
expenses of such counsel related to such proceeding, as incurred. In any such proceeding, any Indemnified Person shall have the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such Indemnified
Person unless (i) the Indemnifying Person and the Indemnified Person shall have mutually agreed to the contrary; (ii) the Indemnifying Person has failed within a reasonable time to retain counsel reasonably satisfactory to the Indemnified
Person; (iii) the Indemnified Person shall have reasonably concluded that there may be legal defenses available to it that are different from or in addition to those available to the Indemnifying Person; or (iv) the named parties in any
such proceeding (including any impleaded parties) include both the Indemnifying Person and the Indemnified Person and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between
them. It is understood and agreed that the Indemnifying Person shall not, in connection with any proceeding or related proceeding in the same jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local
counsel) for all Indemnified Persons, and that all such fees and expenses shall be reimbursed as they are incurred. Any such separate firm (x) for the Dealer Manager, its affiliates, directors and officers and any control Persons of the Dealer
Manager shall be designated in writing by the Dealer Manager, (y) for any Holder, its affiliates, directors and officers and any control Persons of such Holder shall be designated in writing by the Majority Holders and (z) in all other
cases shall be designated in writing by the Company. The Indemnifying Person shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such consent or if there be a final judgment for the
plaintiff, the Indemnifying Person agrees to indemnify each Indemnified Person from and against any loss or liability by reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an Indemnified Person shall have
requested that an Indemnifying Person reimburse the Indemnified Person for fees and expenses of counsel as contemplated by this Section 5(c), the Indemnifying Person shall be liable for any settlement of any proceeding effected without its
written consent if (i) such settlement is entered into more than 30 days after receipt by the Indemnifying 

  
 19 

 
Person of such request and (ii) the Indemnifying Person shall not have reimbursed the Indemnified Person in accordance with such request prior to the date of such settlement. No Indemnifying
Person shall, without the written consent of the Indemnified Person, effect any settlement of any pending or threatened proceeding in respect of which any Indemnified Person is or could have been a party and indemnification could have been sought
hereunder by such Indemnified Person, unless such settlement (A) includes an unconditional release of such Indemnified Person, in form and substance reasonably satisfactory to such Indemnified Person, from all liability on claims that are the
subject matter of such proceeding and (B) does not include any statement as to or any admission of fault, culpability or a failure to act by or on behalf of any Indemnified Person. 

(d) If the indemnification provided for in Sections 5(a) and 5(b) hereof is unavailable to an Indemnified Person or insufficient in
respect of any losses, claims, damages or liabilities referred to therein, then each Indemnifying Person under such Sections, in lieu of indemnifying such Indemnified Person thereunder, shall contribute to the amount paid or payable by such
Indemnified Person as a result of such losses, claims, damages or liabilities (i) in such proportion as is appropriate to reflect the relative benefits received by the Company and the Guarantor from the offering of the Notes and the Exchange
Notes, on the one hand, and by the Holders from receiving Notes or Exchange Notes registered under the Securities Act, on the other hand, or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such
proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) but also the relative fault of the Company and the Guarantor on the one hand and the Holders on the other in connection with the statements or
omissions that resulted in such losses, claims, damages or liabilities, as well as any other relevant equitable considerations. The relative fault of the Company and the Guarantor on the one hand and the Holders on the other shall be determined by
reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Company and the Guarantor or by the Holders and
the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. 
 (e) The Company, the Guarantor and the Holders agree that it would not be just and equitable if contribution pursuant to this Section 5 were determined by pro rata allocation (even if
the Holders were treated as one entity for such purpose) or by any other method of allocation that does not take account of the equitable considerations referred to in Section 5(d) hereof. The amount paid or payable by an Indemnified Person as
a result of the losses, claims, damages and liabilities referred to in Section 5(d) hereof shall be deemed to include, subject to the limitations set forth above, any legal or other expenses incurred by such Indemnified Person in connection
with any such action or claim. Notwithstanding the provisions of this Section 5, in no event shall a Holder be required to contribute any amount in excess of the amount by 

  
 20 

 
which the total price at which the Notes or Exchange Notes sold by such Holder exceeds the amount of any damages that such Holder has otherwise been required to pay by reason of such untrue or
alleged untrue statement or omission or alleged omission. No Person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such
fraudulent misrepresentation. 
 (f) The remedies provided for in this Section 5 are not exclusive and shall not limit any
rights or remedies that may otherwise be available to any Indemnified Person at law or in equity. 
 (g) The indemnity and
contribution provisions contained in this Section 5 shall remain operative and in full force and effect regardless of (i) any termination of this Agreement, (ii) any investigation made by or on behalf of the Dealer Manager or any
Holder, their respective affiliates or any Person controlling the Dealer Manager or any Holder, or by or on behalf of the Company or the Guarantor, their respective affiliates or the officers or directors of or any Person controlling the Company or
the Guarantor, (iii) acceptance of any of the Exchange Notes and (iv) any sale of Registrable Notes pursuant to a Shelf Registration Statement. 
 6. General. 
 (a) Rule 144 and Rule 144A. If the Company ceases to
be subject to the reporting requirements of Section 13 or 15 of the Exchange Act, the Company covenants that it will upon the request of any Holder or beneficial owner of Registrable Notes (i) make publicly available such information
(including, without limitation, the information specified in Rule 144(c)(2)) as is necessary to permit sales pursuant to Rule 144, (ii) deliver or cause to be delivered, promptly following a request by any Holder or beneficial owner of
Registrable Notes or any prospective purchaser or transferee designated by such Holder or beneficial owner, such information (including, without limitation, the information specified in Rule 144A(d)(4)) as is necessary to permit sales pursuant
to Rule 144A, and (iii) take such further action that is reasonable in the circumstances, in each case to the extent required from time to time to enable such Holder to sell its Registrable Notes without registration under the Securities
Act within the limitation of the exemptions provided by (A) to the extent applicable, Rule 144, (B) Rule 144A, or (C) any similar rules or regulations hereafter adopted by the SEC. 

(b) Specific Performance. The Company and the Guarantor acknowledge that there would be no adequate remedy at law if the Company
and the Guarantor failed to perform any of their obligations in this Agreement (including, without limitation, their obligations under Sections 2(a) and 2(b) hereof) and that any such failure may result in material irreparable injuries to the Dealer
Manager and the Holders from time to time of the Registrable Notes and that it will not be possible to measure 

  
 21 

 
damages for such injuries precisely, and, accordingly the Company and the Guarantor agree that the Dealer Manager and such Holders, in addition to any other remedy to which they may be entitled
at law or in equity, shall be entitled to compel specific performance of the obligations of the Company and the Guarantor under this Agreement in accordance with the terms and conditions of this Agreement, in any U.S. federal or New York state court
located in the Borough of Manhattan, The City of New York. 
 (c) No Inconsistent Agreements. The Company and the
Guarantor represent, warrant and agree that (i) the rights granted to the Holders hereunder do not in any way conflict with and are not inconsistent with the rights granted to the holders of any other outstanding securities issued or guaranteed
by the Company and the Guarantor under any other agreement and (ii) neither the Company nor the Guarantor has not entered into, or on or after the date of this Agreement will enter into, any agreement that is inconsistent with the rights
granted to the Holders of Registrable Notes in this Agreement or otherwise conflicts with the provisions hereof. 
 (d)
Amendments and Waivers. The provisions of this Agreement, including the provisions of this sentence, may not be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given unless the
Company and the Guarantor have obtained the written consent of Holders of at least a majority in aggregate principal amount of the outstanding Registrable Notes affected by such amendment, modification, supplement, waiver or consent; provided
that no amendment, modification, supplement, waiver or consent to any departure from the provisions of Section 5 hereof shall be effective as against any Holder of Registrable Notes unless consented to in writing by such Holder. Any amendments,
modifications, supplements, waivers or consents pursuant to this Section 6(d) shall be by a writing executed by each of the parties hereto. 
 (e) Notices. All notices and other communications provided for or permitted hereunder shall be made in writing by hand-delivery, registered first-class mail, telex, telecopier, or any courier
guaranteeing overnight delivery (i) if to a Holder, at the most current address given by such Holder to the Company by means of a notice given in accordance with the provisions of this Section 6(e), which address initially is, with respect
to the Dealer Manager, the address set forth in the Dealer Manager Agreement; (ii) if to the Company and the Guarantor, initially at the Company’s address set forth in the Dealer Manager Agreement and thereafter at such other address,
notice of which is given in accordance with the provisions of this Section 6(e); and (iii) to such other persons at their respective addresses as provided in the Dealer Manager Agreement and thereafter at such other address, notice of
which is given in accordance with the provisions of this Section 6(e). All such notices and communications shall be deemed to have been duly given: at the time delivered by hand, if personally delivered; five Business Days after being deposited
in the mail, postage prepaid, if mailed; when 

  
 22 

 
answered back, if telexed; when receipt is acknowledged, if telecopied; and on the next Business Day if timely delivered to an air courier guaranteeing overnight delivery. Copies of all such
notices, demands or other communications shall be concurrently delivered by the Person giving the same to the Trustee, at the address specified in the applicable Indenture. 
 (f) Successors and Assigns. This Agreement shall inure to the benefit of and be binding upon the successors, assigns and transferees of each of the parties, including, without limitation and
without the need for an express assignment, subsequent Holders; provided that nothing herein shall be deemed to permit any assignment, transfer or other disposition of Registrable Notes in violation of the terms of the Dealer Manager
Agreement or the applicable Indenture. If any transferee of any Holder shall acquire Registrable Notes in any manner, whether by operation of law or otherwise, such Registrable Notes shall be held subject to all the terms of this Agreement, and by
taking and holding such Registrable Notes such Person shall be conclusively deemed to have agreed to be bound by and to perform all of the terms and provisions of this Agreement and such Person shall be entitled to receive the benefits hereof. The
Dealer Manager (in its capacity as Dealer Manager) shall have no liability or obligation to the Company and the Guarantor with respect to any failure by a Holder to comply with, or any breach by any Holder of, any of the obligations of such Holder
under this Agreement. 
 (g) Third-Party Beneficiaries. Each Holder shall be a third-party beneficiary to the agreements
made hereunder between the Company and the Guarantor, on the one hand, and the Dealer Manager, on the other hand, and shall have the right to enforce such agreements directly to the extent it deems such enforcement necessary or advisable to protect
its rights or the rights of other Holders hereunder. 
 (h) Purchases and Sales of Notes. The Company and the Guarantor
shall not, and shall use their reasonable best efforts to cause their affiliates (as defined in Rule 405 under the Securities Act) not to, purchase and then resell or otherwise transfer any Registrable Notes. 

(i) Counterparts. This Agreement may be executed in any number of counterparts and by the parties hereto in separate counterparts,
each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. 
 (j) Jurisdiction, Venue and Service of Process. Each of the parties hereto hereby submits to the jurisdiction of any U.S. federal or New York state court in the Borough of Manhattan, The City of
New York and to the courts of its own corporate domicile, in respect of actions brought against any such party as a defendant, in any 

  
 23 

 
legal suit, action or proceeding based on or arising under this Agreement and agrees that all claims in respect of such suit or proceeding may be determined in any such court. Each of the Company
and the Guarantor waives, to the extent permitted by law, the defense of an inconvenient forum or objections to personal jurisdiction with respect to the maintenance of such legal suit, action or proceeding. Each of the Company and the Guarantor
hereby designates and appoints CT Corporation System, 111 Eighth Avenue, 13th Floor, New York, New York 10011 (the “Process Agent”), as its authorized agent, upon whom process may be served in any such legal suit, action or proceeding based on or arising under
this Agreement, it being understood that the designation and appointment of CT Corporation System as such authorized agent shall become effective immediately without any further action on the part of the Company or the Guarantor. Such appointment
shall be irrevocable to the extent permitted by applicable law and subject to the appointment of a successor agent in the United States on terms substantially similar to those contained in this Section 6(j). If the Process Agent shall cease to
act as agent for service of process, the Company and the Guarantor shall each appoint, without unreasonable delay, another such agent, and notify the holders of such appointment. Each of the Company and the Guarantor represents to the holders that
it has notified the Process Agent of such designation and appointment and that the Process Agent has accepted the same in writing. Each of the Company and the Guarantor hereby authorizes and directs the Process Agent to accept such service. Each of
the Company and the Guarantor further agrees that service of process upon the Process Agent and written notice of said service to such party shall be deemed in every respect effective service of process upon the Company, in any such legal suit,
action or proceeding. Nothing herein shall affect the right of any holder or any person controlling any holder to serve process in any other manner permitted by law. 
 (k) Additional Amounts. If any amounts to be received by the Dealer Manager or the Holders under this Agreement are subject to any present or future taxes, assessments, deductions, withholdings,
governmental charges or charges of any nature imposed or levied by or on behalf of Mexico or any political subdivision thereof or taxing authority therein (“Mexican Taxes”), then the Company and the Guarantor shall, jointly and
severally, pay to the Dealer Manager and the Holders, an additional amount so that the Dealer Manager and the Holders, shall receive and retain, after taking into consideration all such Mexican Taxes, an amount equal to the amounts owed to them
under this Agreement as if such amounts had not been subject to Mexican Taxes. If any Mexican Taxes are collected by deduction or withholding, the Company and the Guarantor shall, upon request provide to the Dealer Manager and the Holders, copies of
documentation evidencing the transmittal to the proper authorities of the amount of Mexican Taxes deducted or withheld. Notwithstanding the preceding sentences of this Section 6(k), any withholding or deduction of Mexican Taxes in respect of
payments under either series of Notes (as opposed to amounts to be received by the Dealer 

  
 24 

 
Manager or the Holders under this Agreement) shall be subject to the gross-up provisions of such series of Notes and the applicable Indenture. 

(l) Judgment Currency. The Company and the Guarantor, jointly and severally, shall indemnify the Dealer Manager and the Holders
against any loss incurred by them as a result of any judgment or order against the Company or the Guarantor being given or made and expressed and paid in a currency (“Judgment Currency”) other than U.S. dollars and as a result of
any variation as between (i) the rate of exchange at which the U.S. dollar amount is converted into the Judgment Currency for the purpose of such judgment or order and (ii) the spot rate of exchange in New York, New York at which the
Dealer Manager on the date of payment of such judgment or order are able to purchase U.S. dollars with the amount of the Judgment Currency actually received by the Dealer Manager. The foregoing indemnity shall constitute a separate and independent
obligation of the Company and the Guarantor and shall continue in full force and effect notwithstanding any such judgment or order as aforesaid. The term “spot rate of exchange” shall include any premiums and costs of exchange payable in
connection with the purchase of, or conversion into, U.S. dollars. 
 (m) Headings. The headings in this Agreement are
for convenience of reference only, are not a part of this Agreement and shall not limit or otherwise affect the meaning hereof. 

(n) Severability. The remedies provided herein are cumulative and not exclusive of any remedies provided by law. If any term,
provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be invalid, illegal, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions set forth herein shall remain in full
force and effect and shall in no way be affected, impaired or invalidated, and the parties hereto shall use their reasonable best efforts to find and employ an alternative means to achieve the same or substantially the same result as that
contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be the intention of the parties that they would have executed the remaining terms, provisions, covenants and restrictions without including any of
such that may be hereafter declared invalid, illegal, void or unenforceable. 
 (o) Governing Law. This Agreement shall
be governed by, and construed in accordance with, the laws of the State of New York. 
 (p) Miscellaneous. This Agreement
contains the entire agreement between the parties relating to the subject matter hereof and supersedes all oral statements and prior writings with respect thereto. If any term, provision, covenant or restriction contained in this Agreement is held
by a court of competent jurisdiction to be invalid, void or unenforceable or against public policy, the remainder of the terms, provisions, covenants and restrictions contained herein shall remain in full force and

  
 25 

 
effect and shall in no way be affected, impaired or invalidated. The Company, the Guarantor and the Dealer Manager shall endeavor in good faith negotiations to replace the invalid, void or
unenforceable provisions with valid provisions the economic effect of which comes as close as possible to that of the invalid, void or unenforceable provisions. 
 [Signature page follows] 

  
 26 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written
above. 
  

			
	Very truly yours,
	
	AMÉRICA MÓVIL, S.A.B. de C.V.
		
	By:	 	/s/ Carlos José García Moreno
Elizondo

			
	Name:	 	Carlos José García Moreno Elizondo
	Title:	 	Chief Financial Officer

			
		
	By:	 	/s/ Alejandro Cantú Jiménez

			
	Name:	 	Alejandro Cantú Jiménez
	Title:	 	General Counsel
	
	RADIOMÓVIL DIPSA, S.A. de C.V.

			
		
	By:	 	/s/ Fernando Benjamín Ocampo Carapia

			
	Name:	 	Fernando Benjamín Ocampo Carapia
	Title:	 	Chief Financial Officer

			
		
	By:	 	/s/ Alejandro Cantú Jiménez

			
	Name:	 	Alejandro Cantú Jiménez
	Title:	 	General Counsel

  

			
	 MERRILL LYNCH, PIERCE, FENNER & SMITH

INCORPORATED

		
	By	 	/s/ Joseph A. Crowley

			
	Name:	 	Joseph A. Crowley
	Title:	 	Director

  
 27

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