ADDENDUM TO COMMON INTEREST AND COST-SHARING AGREEMENT
BY AND BETWEEN THE PORT OF SEATTLE, THE CITY OF SEATTLE, AND SOUTH
PARK MARINA, L.P.
This Addendum modifies the Common Interest and Cost-Sharing Agreement entered into by and
between the Port of Seattle, the City of Seattle and South Park Marina, L.P., on September 1,
2018 (“Cost-Sharing Agreement”) only as specified herein. Except as modified, the Cost-
Sharing Agreement remains in full force and effect as originally written.
Accordingly, the Port of Seattle, the City of Seattle, and South Park Marina, L.P. (“the Parties”)
hereby agree that the following revisions shall be part of the Cost-Sharing Agreement:
First, as a new sixth Recital:
. . . . .
WHEREAS, Ecology has asked the Parties to execute an amendment to the
existing Agreed Order (“Amended Order”) that requires the Parties to prepare a
Feasibility Study (“FS”) and Draft Cleanup Action Plan (“DCAP”) to address Site
Contamination (“FS/DCAP Work”), and the Parties desire to share the costs of
performing FS/DCAP Work on the same terms as they performed the RI Work
and to treat such costs as Shared Costs; and
Second, all references to “RI Work” in the Cost-Sharing Agreement shall henceforth be deleted
and replaced by: “RI Work and FS/DCAP Work,” and
Third, all references to “Order” in the Cost-Sharing Agreement shall henceforth be deleted and
replaced by: “Order (as amended),” and
Fourth, Section 17 (“Notices”) is hereby amended to replace Thomas A. Newlon, as a Port of
Seattle contact, with:
James T. Graves
Graves Environmental Law PLLC
4736 NE 187th Place
Lake Forest Park, WA 98155
Phone: (206) 889-2330
E-mail: james@gravesenvirolaw.com;
and to replace Tad Shimazu, as a City of Seattle contact, with:
Item No. 8f – attach 2
Meeting Date: July 14, 2026
Guy Crow, General Partner
Megan Joplin
Assistant City Attorney
Seattle City Attorney’s Office
701 Fifth Ave., Suite 2050
Seattle, WA 98104-7097
Phone: (206) 615-0885
E-mail: Megan.Joplin@seattle.gov
The Parties agree that this Addendum to the Cost-Sharing Agreement may be executed by
electronic signature. The Parties further agree that this Addendum constitutes and henceforth
shall be presented as an integral part of the Cost-Sharing Agreement, effective as of the date last
signed.
IN WITNESS WHEREOF, the Parties below have executed this Addendum to the Cost-
Sharing Agreement:
SOUTH PARK MARINA, L.P. OGDEN MURPHY WALLACE
Thomas D. Adams, Member
(Counsel for South Park Marina)
Date:
6/15/2026
Date:
6/8/2026
CITY OF SEATTLE CITY OF SEATTLE
Jason Hamilton
Seattle City Light
Manager, Environmental Management &
Compliance
Date:
Megan Joplin
Assistant City Attorney
Date:
PORT OF SEATTLE PORT OF SEATTLE
Stephen Metruck, Executive Director
Date:
Elizabeth Black, Deputy General Counsel
Date:
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