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CUSIP NO.: 000G3921A1 13G Page 9 of 9 Pages
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EXHIBIT A
JOINT FILING AGREEMENT
This will confirm the agreement by and among all of the
undersigned that a statement may be filed on behalf of each of the undersigned
persons by MRCo, Inc. with respect to the Common Stock of Global Crossing Ltd.
Further, each of the undersigned agrees that MRCo, Inc., by any of its duly
elected officers, shall be authorized to sign from time to time on behalf of
each of the undersigned, any amendments to this Schedule 13G or any statements
on Schedule 13G relating to Global Crossing Ltd. which may be necessary or
appropriate from time to time.
Date: February 12, 1999
ULLICO INC.
By: /s/ XXXXXXX X. XXXXX
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Name: Xxxxxxx X. Xxxxx
Title: Senior Vice President, Investments
MRCO, INC.
By: /s/ XXXXXXX X. XXXXX
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Name: Xxxxxxx X. Xxxxx
Title: President
/s/ XXXXXXX X. XXXXX
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Xxxxxxx X. Xxxxx
