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CUSIP NO. 941105 10 8
Exhibit I
AGREEMENT
Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934,
as amended, the undersigned hereby agree that only one statement containing the
information required by Schedule 13G need be filed with respect to the ownership
by each of the undersigned of the shares of Common Stock of WatchGuard
Technologies, Inc.
EXECUTED as a sealed instrument this 10th day of February, 2000.
MATRIX PARTNERS IV, L.P.
By: Matrix IV Management Co., L.P.
General Partner
By: /s/ Xxxxxx X. Xxxxxxxx
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Xxxxxx X. Xxxxxxxx
General Partner
MATRIX IV ENTREPRENEURS FUND, L.P.
By: Matrix IV Management Co., L.P.
General Partner
By: /s/ Xxxxxx X. Xxxxxxxx
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Xxxxxx X. Xxxxxxxx
General Partner
MATRIX IV MANAGEMENT CO., L.P.
By: Xxxxxx X. Xxxxxxxx
General Partner
By: /s/ Xxxxxx X. Xxxxxxxx
-----------------------------------
General Partner
/s/ Xxxxxx X. Xxxxxxxx
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Xxxxxx X. Xxxxxxxx
