<PAGE>
EXHIBIT 4
JOINT FILING STATEMENT
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 this statement on Schedule 13D shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
filing statements. 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 of information concerning the other, except to
the extent that it knows or has reason to believe that such information is
inaccurate.
Date: October 2, 2000
<TABLE>
<S> <C> <C>
RODAMCO NORTH AMERICA N.V.
By: /s/ DANIEL S. WEAVER
Name: Daniel S. Weaver
Title: Managing Director and
Chief Financial Officer
RODAMCO NORTH AMERICA B.V.
By: RODAMCO NORTH AMERICA N.V.,
its sole director
By: /s/ DANIEL S. WEAVER
Name: Daniel S. Weaver
Title: Managing Director and
Chief Financial Officer
HEXALON REAL ESTATE, INC.
By: /s/ DANIEL S. WEAVER
Name: Daniel S. Weaver
Title: Vice President
HEAD ACQUISITION, L.P.
By: Hexalon Real Estate, Inc.,
its General Partner
By: /s/ DANIEL S. WEAVER
Name: Daniel S. Weaver
Title: Vice President
HEAD ACQUISITION CORP.
By: /s/ DANIEL S. WEAVER
Name: Daniel S. Weaver
Title: Secretary, Treasurer and Vice
President
</TABLE>