Exhibit 99.1
                             JOINT FILING AGREEMENT
         THIS JOINT FILING AGREEMENT (this "Agreement") is made and entered into
as of this 14th day of February 2005, by and among ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇ Slim
▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇▇▇ Slim ▇▇▇▇▇, ▇▇▇▇▇▇▇ Slim ▇▇▇▇▇, ▇▇▇▇▇ Soumaya Slim Domit,
▇▇▇▇▇▇▇ ▇▇▇▇▇ Slim ▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Slim Domit, Inmobiliaria Carso, S.A.
de C.V and Orient Star Holdings LLC.
         The parties to this Agreement hereby agree to prepare jointly and file
timely (and otherwise to deliver as appropriate) all filings on any Form 3, 4 or
5 or Schedule 13D or 13G relating to their ownership (direct or otherwise) of
any securities of Tricom, S.A., a corporation organized under the laws of the
Dominican Republic, 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.
         ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇
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         ▇▇▇▇▇▇ Slim Domit                       By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ Acra
                                                     -----------------------
         -----------------------------               ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ Acra
                                                     Attorney-in-Fact
         Marco Antonio Slim Domit                    February 14, 2005
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         ▇▇▇▇▇▇▇ Slim Domit
         -----------------------------
         ▇▇▇▇▇ Soumaya Slim Domit
         -----------------------------
         ▇▇▇▇▇▇▇ ▇▇▇▇▇ Slim Domit
         -----------------------------
         ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Slim Domit
         -----------------------------
         INMOBILIARIA CARSO, S.A. DE C.V.
         -----------------------------
         By: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇
         Title: Attorney-in-Fact
         ORIENT STAR HOLDINGS LLC
         -----------------------------
         By: Inmobiliaria Carso, S.A. de C.V.,
         its sole member
         Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇
         Title: Attorney-in-Fact