JOINT FILING AGREEMENT
THIS JOINT FILING AGREEMENT (this "Agreement") is made and entered into
as of this 05 day of January 2005, by and among Xxxxxx Xxxx Xxxx, Xxxxxx Slim
Xxxxx, Xxxxx Xxxxxxx Slim Xxxxx, Xxxxxxx Slim Xxxxx, Xxxxx Soumaya Slim Domit,
Xxxxxxx Xxxxx Slim Xxxxx, Xxxxxxx Xxxxxxx Slim Domit, America Telecom, S.A. de
C.V. and America Movil, S.A. de C.V.
The parties to this Agreement hereby agree to prepare jointly and file
timely (and otherwise to deliver as appropriate) all filings on any Schedule 13D
or 13G relating to their ownership (direct or otherwise) of any securities of
Nortel Inversora S.A., a corporation organized under the laws of the Republic of
Argentina, and any and all amendments thereto and any other document relating
thereto (collectively, the "Filings") required to be filed by them pursuant to
the Securities Exchange Act of 1934, as amended. Each party to this Agreement
further agrees and covenants to the other parties that it will fully cooperate
with such other parties in the preparation and timely filing (and other
delivery) of all such Filings.
IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of the date first set forth above.
Xxxxxx Xxxx Xxxx
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Xxxxxx Slim Domit By: /s/ Xxxxxxx Xxxxxx Acra
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----------------------------- Xxxxxxx Xxxxxx Acra
Attorney-in-Fact
Marco Antonio Slim Domit January 05, 2005
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Xxxxxxx Slim Domit
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Xxxxx Soumaya Slim Domit
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Xxxxxxx Xxxxx Slim Domit
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Xxxxxxx Xxxxxxx Slim Domit
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AMERICA TELECOM, S.A. DE C.V.
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By: Xxxxxxx Xxxxxx
Title: Attorney-in-Fact
AMERICA MOVIL, S.A. DE C.V.
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By: Xxxxxxxxx Xxxxx Xxxxxxx
Title: Attorney-in-Fact
