GENERAL SERVICES ADMINISTRATION        LEASE AMENDMENT No. 27 
PUBLIC BUILDINGS SERVICE 
TO LEASE NO. GS-10B-06485
LEASE AMENDMENT               BLDG NO. WA7855 
ADDRESS OF PREMISES                         PDN Number: N/A 
SEATAC INTERNATIONAL AIRPORT
PORT OF SEATTLE, MAIN TERMINAL
17801 PACIFIC HWY SOUTH                                 Item No.  8c_ attach_1 
SEATTLE, WA 98158                                          Meeting Date: May 10, 2022 

THIS AMENDMENT is made and entered into between The Port of Seattle 
whose address is:      PORT OF SEATTLE/SEATAC INTERNATIONAL AIRPORT
AVIATION PROPERTIES 
17801 PACIFIC HWY SOUTH, ROOM A6012M
SEATTLE, WA 98158-1200 
hereinafter called the Lessor, and the UNITED STATES OF AMERICA, hereinafter called the Government: 
WHEREAS, the parties hereto desire to amend the above Lease to extend the Lease an additional 5 years, remove 350
RSF of space known as A5062C So. STSO Office, update the termination rights, state the rent for the additional term,
and to add and incorporate Exhibit D   FAR Clause 52.204-25  Prohibition on Contracting for Certain
Telecommunications and Video Surveillance Services or Equipment (Aug 2020). 
NOW THEREFORE, these parties for good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, covenant and agree that the said Lease is amended, effective January 21, 2022 as follows: 
Part II Section B. Term, Part III  Award, Exhibit A  Drawings of Lease Space, and Exhibit B  Rental Rates are deleted
in their entirety and replaced below. Exhibit D  General Clause Addendum is hereby added to the Lease. 

This Lease Amendment contains 2 pages. Exhibit A  Drawings of Lease Space (5 Pages), Exhibit B  Rental Rates (1 page), and Exhibit D - General
Clause Addendum (3 pages). 
All other terms and conditions of the lease shall remain in force and effect. 
IN WITNESS WHEREOF, the parties subscribed their names as of the below date. 

FOR THE LESSOR:                               FOR THE GOVERNMENT: 

Name:                                                          Name: 
Title:                                                              Title:  Lease Contracting Officer 
Entity:                                                             General Services Administration, Public Buildings Service 
Date:                                                              Date: 
WITNESSED FOR THE LESSOR BY: 

Name: 
Title: 
Date: 


Lease Amendment Form 
REV (10/20)

Lease Amendment No. 27  GS-10B-06485  PAGE 2 of 2 

Part II. Section B. Term: To have and to hold, the said premises with their appurtenances for the term commencing on
December 23, 2001 and continuing through January 21, 2027 inclusive. 
The Government may terminate this Lease, in whole or in part, at any time during the term of this lease with 90 days'
prior written notice to the Lessor if (i) regularly scheduled commercial air services cease, (ii) the airport opts to replace
TSA screeners with private contractors, (iii) the checkpoint supported by the leased Space is closed, or (iv) the
Government reduces its presence at the airport due to a reduction in enplanements. The effective date of the termination
shall be the day following the expiration of the required notice period or the termination date set forth in the notice,
whichever is later. No rental shall accrue after the effective date of termination. 
Surrender of Premises: At the expiration of this Lease, Lessee shall promptly and peaceably surrender possession of
the Premises to the Port. The Premises shall be returned in substantially the same condition as received (unless altered
by Lessee with Port's consent), reasonable wear and tear excepted. 
Part III  Award 
Your offer is hereby accepted. This award consummates the lease which consists of the following documents: (a) this
GSA Form 3626, (b) Representations and Certifications, (c) the Government's General Clauses, and (d) the following
changes or additions made or agreed to by you: 
1.   Exhibit A, Pages 1-5, Drawings of Lease Space 
2.   Exhibit B, Pages 1-2, Rental Rates 
3.   Exhibit C, Pages 1-4, Supplemental Terms 
4.   Exhibit D, Pages 1-3, FAR Clause 52.204-25 Prohibition on Contracting for Certain Telecommunications and
Video Surveillance Services or Equipment (Aug 2020) 













LESSOR:          GOVERNMENT:                         Lease Amendment Form 
REV (10/20)

GENERAL SERVICES ADMINISTRATION        LEASE AMENDMENT No. 27 
PUBLIC BUILDINGS SERVICE 
TO LEASE NO. GS-10B-06458
LEASE AMENDMENT               BLDG NO. WA7855 
ADDRESS OF PREMISES                         PDN Number: N/A 
SEATAC INTERNATIONAL AIRPORT
PORT OF SEATTLE, MAIN TERMINAL
17801 PACIFIC HWY SOUTH
SEATTLE, WA 98158 

THIS AMENDMENT is made and entered into between The Port of Seattle 
whose address is:     PORT OF SEATTLE/SEATAC INTERNATIONAL AIRPORT
AVIATION PROPERTIES 
17801 PACIFIC HWY SOUTH, ROOM A6012M
SEATTLE, WA 98158-1200 
hereinafter called the Lessor, and the UNITED STATES OF AMERICA, hereinafter called the Government: 
WHEREAS, the parties hereto desire to amend the above Lease relinquish 166 SF of space known as S1125TR (FIS
Break Room), add 267 SF of space known as IAF5208C (IAF Break Room  267 SF), as well as update the Rental
Rates. 
NOW THEREFORE, these parties for good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, covenant and agree that the said Lease is amended, effective May 10, 2022 as follows: 
Exhibit A  Floor Plans and Exhibit B  Rental Rates are deleted in their entirety and replaced. 


This Lease Amendment contains 1 page. Exhibit A  Floor Plans (4 pages), Exhibit B  Rental Rates (1 page). 
All other terms and conditions of the lease shall remain in force and effect. 
IN WITNESS WHEREOF, the parties subscribed their names as of the below date. 

FOR THE LESSOR:                               FOR THE GOVERNMENT: 

Name:                                                          Name: 
Title:                                                              Title:  Lease Contracting Officer 
Entity:                                                             General Services Administration, Public Buildings Service 
Date:                                                              Date: 
WITNESSED FOR THE LESSOR BY: 

Name: 
Title: 
Date: 


Lease Amendment Form 
REV (10/20)