EXHIBIT 99.1
JOINT FILING AGREEMENT
PURSUANT TO RULE 13d-1(k)(1)
The undersigned acknowledge and agree that the foregoing Statement on
Schedule 13D is filed on behalf of each of the undersigned and that all
subsequent amendments to the Statement on Schedule 13D shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
filing agreements. The undersigned acknowledge that each shall be responsible
for the timely filing of such amendments, and for the completeness and accuracy
of the information concerning it contained therein, but shall not be responsible
for the completeness and accuracy concerning the others, except to the extent
that it knows or has reason to believe that such information is inaccurate. This
agreement may be executed in any number of counterparts and all of such
counterparts taken together shall constitute on and the same instrument.
Dated: February 12, 1999
KENSINGTON ACQUISITION SUB, INC.
By: /s/ Xxxxx Xx Xxxxxxxxx
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Name: Xxxxx Xx Xxxxxxxxx
Title: Co-President and Co-Secretary
By: /s/ Xx. Xxxx X. Xxxxxxx
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Name: Xx. Xxxx X. Xxxxxxx
Title: Co-President and Co-Secretary
OLIVETTI S.p.A.
By: /s/ Xxxxxxx Xxxxxxxxx
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Name: Xxxxxxx Xxxxxxxxx
Title: Chief Executive Officer
MANNESMANN AG
By: /s/ Xx. Xxxxx Xxxxxxx
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Name: Xx. Xxxxx Xxxxxxx
Title: Executive Vice-President
By: /s/ Xx. Xxxxxxx Xxxxxx
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Name: Xx. Xxxxxxx Xxxxxx
Title: Counsel