Exhibit 4
JOINT FILING AGREEMENT
The undersigned, being duly authorized thereunto, hereby execute
this agreement as an exhibit to this Schedule 13D to evidence the
agreement of the below-named parties, in accordance with the rules
promulgated pursuant to the Securities Exchange Act of 1934, to
file this Schedule, and any amendments or supplements thereto,
jointly on behalf of each such party.
Dated: November 15, 2000
DONALD M. KOLL, an individual
/s/ Donald M. Koll
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a California corporation
KOLL SEPARATE PROPERTY TRUST
u/d/t April 8, 1999
By: /s/ Donald M. Koll
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Donald M. Koll
Trustee
THE KOLL COMPANY, a California
corporation
By: /s/ Donald M. Koll
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Donald M. Koll
Chairman of the Board and
Chief Executive Officer
THE KOLL HOLDING COMPANY
By: /s/ Donald M. Koll
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Donald M. Koll
President