EXHIBIT 99.2 AMENDMENT TO AGREEMENT AND PLAN OF MERGER This Amendment to Agreement and Plan of Merger ("AMENDMENT") is entered into as of February , 2000 by and among AT&T Corp. ("PARENT"), a New York corporation, AT&T Latin America Corp. ("RV"), a...

                                                                    EXHIBIT 99.2

                    AMENDMENT TO AGREEMENT AND PLAN OF MERGER

         This Amendment to Agreement and Plan of Merger ("AMENDMENT") is entered
into as of February , 2000 by and among AT&T Corp. ("PARENT"), a New York
corporation, AT&T Latin America Corp. ("RV"), a Delaware corporation (formerly
named Kiri Inc.), Frantis, Inc.("MERGER SUB"), a Delaware corporation, and
FirstCom Corporation (the "COMPANY"), a Texas Corporation.

                                    RECITALS

         A. Parent, RV, Merger Sub and the Company have entered into an
Agreement and Plan of Merger, dated as of November 1, 1999 (the "MERGER
AGREEMENT").

         B. Each of Parent and the Company desire to extend the date on which
either of them may terminate the Merger Agreement.

         NOW, THEREFORE, the parties agree as follows:

         1. DEFINED TERMS. Capitalized terms used herein without definition
shall have the respective meanings ascribed to them in the Merger Agreement.

         2. EXTENSION OF DATE. The date of April 30, 2000 appearing in clause
(i) of Section 6.1(b) of the Merger Agreement is hereby amended to read "May 31,
2000."

         3. NO OTHER AMENDMENT OR MODIFICATION. The Merger Agreement shall
remain in full force and effect except as expressly amended or modified hereby.

         4. COUNTERPARTS. This Amendment may be executed by one or more of the
parties hereto on any number of separate counterparts, and all of such
counterparts taken together shall be deemed to constitute one and the same
instrument.

         5. EFFECTIVENESS. This Amendment shall be effective only upon execution
and delivery by each of the parties hereto.

         [rest of page intentionally left blank; signature page follows]



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

                                   AT&T Corp.

                           By:  /s/ Xxxx Xxxxx
                                ----------------------------------
                                 Name:  Xxxx Xxxxx
                                 Title: Vice President


                           AT&T Latin America Corp.


                           By:  /s/ Xxxx Xxxxx
                                ----------------------------------
                                 Name:  Xxxx Xxxxx
                                 Title: President


                           Frantis, Inc.


                           By:  /s/ Xxxx Xx Xxxxxx
                                ----------------------------------
                                Name:  Xxxx Xx Xxxxxx
                                Title: President


                           FirstCom Corporation

                           By:  /s/ XXXXXXXX X. NORTHLAND
                                ----------------------------------
                                Name:  Xxxxxxxx X. Northland
                                Title: President and Chief Executive Officer

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