Document:

Management Services Agreement, dated January 2, 2007

 Exhibit 4.3 
 Management and Operation Services Agreement, entered into by and between Carso Global Telecom, S.A.B. de C.V., hereinafter “THE PROVIDER”, represented by C.P. Armando Ibañez Vázquez, and Teléfonos de
México, S.A.B. de C.V., hereinafter “TELMEX”, represented by Lic. Héctor Slim Seade, in accordance with the following recitals and clauses: 
 Recitals 
  

	1.	“THE PROVIDER” states that: 

  

	a)	It is a “sociedad mercantil” organized under the laws of the Mexican Republic with principal place of business at Insurgentes Sur 3500, Col. Peña Pobre,
Delegación Tlalpan, Mexico City. 

  

	b)	Its corporate purpose involves, among other activities, promoting, organizing and managing all kind of companies, commercial and civil ones and offering administrative services for
organization, fiscal, legal and advising for companies. 

  

	c)	It has the resources needed for the due rendering of the services pursuant to this agreement. 

  

	2.	“TELMEX” states that: 

  

	a)	It is a “sociedad mercantil” organized under the laws of the Mexican Republic with principal place of business at Parque Vía No. 190, Col.
Cuauhtémoc, Delegación Cuauhtémoc, C.P. 06599, México City. 

  

	b)	Its corporate purpose is, in general, to build, install, maintain, operate and employ a telephone and telecommunications public network to render the public service of voice, sound,
data, text and images signal conduction locally and through the domestic and international long distance service and the public service of basic telephony; to grant and obtain all kinds of technical, scientific and administrative consulting and
assistance services and to enter into any agreement related to its corporate purpose and that are lawful for a “sociedad anónima”. 

  

	c)	It wishes to obtain the services that “THE PROVIDER” will provide to it in order to perform its operations in the best possible way. 

 Clauses 
 FIRST. “THE PROVIDER” hereby engages to
provide “TELMEX” the consulting and advising services in the management and operation matters specified below: 
  

	1.	Evaluation of the senior officers, positions and personnel of “TELMEX” and its subsidiaries; 

  

	2.	Revision and, if any, support in the restructuring of the labor agreements; 

  

	3.	Technical, administrative and financial planning; 

  

	4.	Implementation of administrative and operational systems and controls; 

  

	5.	Investment planning and negotiating, optimization of profits obtained from the company’s resources: 

  

	 	a)	To optimize the design of external networks; 

  

	 	b)	To revise and optimize investments in equipment and external networks; 

  

	6.	Devising transformation programs for “TELMEX” to improve its operation, modernize it and aggressively grow its telephonic plant to enhance the quality of services at
international standards; 

  

	7.	Restructuring of policies regarding tariff, commercial, technical and service issues; 

  

	8.	Devising personnel relocation plans; 

  

	9.	Support in the management of the “Instituto Nacional Tecnológico de Telmex, A.C.”; 

  

 1 

	10.	Performance of real estate investment plans to reduce substantially their number and amounts; 

  

	11.	Establishment of construction procedures; 

  

	12.	Assessment of the alternatives related to the technical and economic studies made in the different operational areas; 

 In general, regenerating, reorganizing and restructuring of “TELMEX” and its subsidiaries through planning, performing and supervising the company’s
areas. 
 The services above described shall be called hereinafter the “SERVICES”. 
 SECOND. “TELMEX” does not delegate to “THE PROVIDER”, in any way, authority that involves decision-making with respect to the company’s management and it remains in the sole discretion and
under the exclusive responsibility of the Board of Directors, the Chief Executive Office and the Executive Committee of “TELMEX” to make the decisions about the company’s management, without any interference by “THE
PROVIDER”. 
 THIRD. “THE PROVIDER” shall provide “SERVICES” with its own resources or those contracted through third parties,
provided that in this latter case “THE PROVIDER” shall take full responsibility for the third parties it appoints. 
 FOURTH. “TELMEX”
agrees to pay “THE PROVIDER” for the “SERVICES” rendered, a total amount in pesos equivalent to US$45,000,000.00 (forty five million dollars) plus the corresponding value added tax. 
 This remuneration shall be payable by “TELMEX” to “THE PROVIDER” in a one-time payment before or on January 31, 2007. 
 The exchange rate used to pay obligations in foreign currency payable in the Mexican Republic as published in the “Diario Oficial de la
Federación” shall be used to determine the amount in Mexican pesos to be paid. 
 If “TELMEX” requires additional services not
included herein, “THE PROVIDER” shall charge such additional amount as may be agreed by the parties. 
 The invoices issued by “THE
PROVIDER” for any payments by “TELMEX” under the terms of this agreement must meet the fiscal conditions required by the applicable administrative or legal regulations, including the express and separate payment of value added tax.

 FIFTH. “THE PROVIDER” intends to fulfill in good faith and in the best possible way its obligations assumed hereunder and will render “THE
SERVICES” with its own or other resources, assuming unconditional and full responsibility in respect of the personnel that it appoints for the rendering of “THE SERVICES”, and therefore “THE PROVIDER” shall be the sole
responsible party for the labor or any other agreements entered into with such personnel; and, as the case may be, for the payment of fees and others labor benefits as well as the contributions to the “Instituto Mexicano del Seguro
Social”, “Infonavit”, and the income tax and other tax obligations; for disputes arising with such personnel and any other claim due to labor accidents or professional illnesses of such personnel. 
 “TELMEX” agrees that upon request of “THE PROVIDER”, it shall grant sufficient authority to directors, advisors and committee members of the latter,
so that, if necessary, such authorized individuals are able to perform “THE SERVICES” on behalf of “TELMEX”, provided that there shall not be any labor relationship between such individuals and “TELMEX”, but rather the
previous paragraph shall apply in respect of the relationship between “THE PROVIDER” and its directors, advisors, and committee members. 
 SIXTH.
This agreement shall be in effect during the period starting on January 1, 2007 and ending on December 31, 2007. 
  

 2 

 SEVENTH. All the issues related to the validity, interpretation and enforcement of this agreement, shall be governed by
the laws of the Federal District and applicable Federal Laws, and for the resolution of any suit arising in connection with the same, the parties expressly submit to the competent courts in Mexico City, Federal District, waiving expressly any other
applicable jurisdiction by reason of their nationality, address or residence. 
 This agreement is drawn in two counterparts and executed in Mexico City,
Federal District on January 2, 2007. 
  

									
	 “THE PROVIDER”
 Carso Global Telecom, S.A.B. de C.V.
	 		 	 “TELMEX”
 Teléfonos de México, S.A.B. de C.V.

			
	/s/ Armando Ibañez Vázquez	 		 	/s/ Héctor Slim Seade
	 C.P. Armando Ibañez Vázquez
 Attorney in fact
	 		 	 Lic. Héctor Slim Seade
 Chief Executive Officer and Attorney in fact

  

									
	Witness	 		 	
				
	/s/ Francisco Angeles Mayorga	 		 		 	
	C.P. Francisco Angeles Mayorga	 		 		 	

  

 3Amendment, dated February 7, 2007, to Management Services Agreement

 Exhibit 4.5 
 SIXTH AMENDMENT TO 
 MANAGEMENT SERVICES AGREEMENT 
 Between 
 AT&T MEXICO, INC.

 A corporation duly organized under the laws of the State of Delaware, United States of America,
with headquarters in Wilmington, Delaware, U.S.A., hereinafter AT&T MEXICO, INC., with permanent establishment in Mexico. Establishment in the terms provided in the Income Tax Law with address at Parque Vía 190-12th floor, Colonia Cuauhtémoc, 06599 Mexico, D.F. 
 and 
 TELEFONOS DE MEXICO, S.A.B. DE C.V. 
 A corporation duly organized under the laws of the United Mexican States, with its principal place of business in Mexico City, D.F., hereinafter “TELMEX.”

 This SIXTH AMENDMENT TO MANAGEMENT SERVICES AGREEMENT is made to be effective as of
December 31, 2006 (this “Amendment”), between AT&T MEXICO, INC., a corporation duly organized under the laws of the State of Delaware, United States of America, with headquarters in Wilmington, Delaware, U.S.A., with permanent
establishment in the United Mexican States under the Income Tax Law with address at Parque Vía 190-12th
floor, Colonia Cuauhtémoc, 06599 Mexico, D.F. (hereinafter “AT&T MEXICO, INC.”) and TELEFONOS DE MEXICO, S.A.B DE C.V., a corporation duly organized under the laws of the United Mexican States, with its principal place of
business in Mexico City, D.F. (hereinafter “TELMEX”). 
 WHEREAS, AT&T MEXICO, INC. and TELMEX entered into that certain
Management Services Agreement dated January 2, 2001, as amended by that certain First Amendment to Management Services Agreement dated as of March 1, 2002, that Second Amendment to Management Services Agreement dated as of January 1,
2003, that Third Amendment to Management Services Agreement dated as of November 6, 2003, that Fourth Amendment to Management Services Agreement dated as of January 31, 2005 and that Fifth Amendment to Management Services Agreement dated
as of January 4, 2006 (as amended, the “MSA”); and 
 WHEREAS, AT&T MEXICO, INC. and TELMEX desire to extend the term of
and amend the MSA as provided herein. 
 NOW, THEREFORE, in consideration of the premises and the mutual agreements and covenants hereinafter
set forth, the parties hereto hereby agree as follows: 
 SECTION l. The parties agree that the first sentence of clause Sixth of the MSA is
hereby amended to read as follows: “This agreement shall be in effect during the period starting on January 1, 2007 and ending on December 31, 2007.” 
 SECTION 2. In accordance with the terms of Clause FOURTH of the MSA, TELMEX shall pay AT&T MEXICO, INC. TWO MILLION FIVE HUNDRED THOUSAND U.S. DOLLARS (US$2,500,000.00) plus value added tax for the seventh year of
the initial term of the MSA (as such term has been extended by this Amendment) in compensation of services rendered by AT&T MEXICO, INC. thereunder. TELMEX shall 
  

 1 

 
make this Two Million Five Hundred Thousand U.S. Dollars (US$2,500,000.00) payment to AT&T MEXICO, INC. plus value added tax in a one-time payment on
February 28, 2007 through wire transfer of immediately available funds payable in United States Dollars to a bank account designated by AT&T MEXICO, INC. Six months prior to the seventh anniversary of the commencement of the initial term of
the original MSA, the parties shall begin consultations and use best efforts to agree on compensation to be paid to AT&T MEXICO, INC. for the remaining term of the MSA. 
 SECTION 3. This Amendment and the MSA hereby are each confirmed as being in full force and effect. 
 SECTION 4. This Amendment may be executed in one or more counterparts, and by the different parties hereto in separate counterparts, each of which when
executed shall be deemed to be an original but all of which taken together shall constitute one and the same agreement. 
 SECTION 5. For
interpretation and fulfillment of this Amendment, the parties expressly agree to submit to the laws of the territory and courts of Mexico City, D.F., waiving the application of any other law or jurisdiction of any court that might have jurisdiction
over them by reason of their current or future address. 
 This agreement is entered in Mexico City,
Federal District on February 7th, 2007, to be effective as of December 31, 2006. 
  

					
	AT&T MEXICO, INC.	 		 	TELEFONOS DE MEXICO, S.A.B. DE C.V.
			
	/s/ Eric Boyer	 		 	 /s/ Héctor Slim
Seade

	 By: Eric Boyer
 President AT&T MEXICO, INC.
	 		 	 By: Héctor Slim Seade
 Chief Executive Officer

  

 2

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00126-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00126-of-00352.parquet"}]]