POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico, S.A. de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2002.
February 5, 1998 /s/ CARLOS SLIM HELU
--------------------
Carlos Slim Helu
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ CARLOS SLIM DOMIT
---------------------
May 24, 1999 By: Carlos Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ MARCO ANTONIO SLIM DOMIT
----------------------------
May 24, 1999 By: Marco Antonio Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ PATRICK SLIM DOMIT
----------------------
May 24, 1999 By: Patrick Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ MARIA SOUMAYA SLIM DOMIT
----------------------------
May 24, 1999 By: Maria Soumaya Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ VANESSA PAOLA SLIM DOMIT
----------------------------
May 24, 1999 By: Vanessa Paola Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2004.
/s/ JOHANNA MONIQUE SLIM DOMIT
------------------------------
May 24, 1999 By: Johanna Monique Slim Domit
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2002.
CARSO GLOBAL TELECOM, S.A. DE C.V.
February 5, 1998 /s/ CARLOS SLIM HELU
--------------------
By: Carlos Slim Helu
Title: Chairman of the Board
of Directors
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2002.
GRUPO CARSO, S.A. DE C.V.
/s/ CARLOS SLIM HELU
--------------------
February 5, 1998 By: Carlos Slim Helu
Title: Chairman of the Board
of Directors
<PAGE>
POWER OF ATTORNEY
I, a holder of Series L Shares, American Depositary Shares each
representing 20 Series L Shares, Series A Shares, and/or American Depositary
Shares each representing one Series A Share (collectively, the "Securities") of
Telefonos de Mexico S.A., de C.V., a corporation with variable capital (sociedad
anonima de capital variable) organized under the laws of Mexico (the "Company"),
which Securities are registered pursuant to Section 12 of the United States
Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby
constitute and appoint Eduardo Valdes Acra and Rafael Robles Miaja, and each of
them singly, my true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, to act, for me and in my name, place and stead
and on my behalf, in any and all capacities, to sign any Schedule 13D or 13G and
any and all amendments thereto and any other document relating thereto, and to
file on my behalf any such Schedule 13D or 13G required to be filed pursuant to
the Exchange Act, any amendment thereto and other document relating thereto and
any exhibit thereto with the United States Securities and Exchange Commission,
hereby granting unto said attorneys-in-fact and agents, full power and authority
to do and perform any and all acts and things requisite as fully to all intents
and purposes as I might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents may lawfully do or cause to be done
by virtue hereof, and this power of attorney shall be irrevocable until December
31, 2002.
GRUPO FINANCIERO INBURSA, S.A. DE C.V.
February 5, 1998 /s/ Carlos Slim Helu
--------------------
By: Carlos Slim Helu
Title: Chairman of the Board
of Directors
