EXHIBIT 10.42

FIFTH AMENDMENT TO LEASE

THIS FIFTH AMENDMENT TO LEASE ("Fifth Amendment") is made as of October 21,
2019, by and between SEQUENCE TECH. CENTER CA LLC, a Delaware limited liability
company ("Landlord") and DEXCOM, INC., a Delaware corporation ("Tenant").
Recitals:
A.    Kilroy Realty, L.P., a Delaware limited partnership ("Original Landlord")
and Tenant entered into that certain Office Lease dated March 31, 2006 (the
"Original Lease"), as amended by (i) that certain First Amendment to Office
Lease dated August 18, 2010 by and between Original Landlord and Tenant ("First
Amendment"), (ii) that certain Second Amendment to Office Lease dated October 1,
2014 by and between Original Landlord and Tenant ("Second Amendment"),
(iii) that certain Third Amendment to Office Lease dated February 7, 2019 by and
between John Hancock Life Insurance Company (U.S.A.), a wholly owned subsidiary
of Manulife Financial Corporation, a Michigan corporation ("Second Landlord")
("Third Amendment"), and (iv) that certain Fourth Amendment to Office Lease
dated as of September 9, 2019 by and between Landlord and Tenant ("Fourth
Amendment"), whereby Landlord leases to Tenant and Tenant leases from Landlord
those certain premises (collectively, the "Existing Premises") located in the
following buildings: (i) that certain building located at 6340 Sequence Drive,
San Diego, California ("6340 Building") containing approximately 66,400 rentable
square feet, (ii) that certain building located at 6310 Sequence Drive, San
Diego, California ("6310 Building") containing approximately 62,415 rentable
square feet, (iii) that certain building located at 6290 Sequence Drive, San
Diego, California ("6290 Building") containing approximately 90,000 rentable
square feet and (iv) that certain building located at 6350 Sequence Drive, San
Diego, California ("6350 Building") containing approximately 132,600 rentable
square feet (collectively, the "Buildings"), which buildings are located in the
Project (as defined in the Lease). The Original Lease, as amended by the First
Amendment, the Second Amendment, the Third Amendment and the Fourth Amendment,
may be referred to herein as the "Lease". Landlord is the successor-in-interest
in the Lease to second Landlord, successor-in-interest in the Lease to Original
Landlord.
B.    Landlord and Tenant desire to enter into this Fifth Amendment confirming
the Expansion Commencement Date and other matters under the Lease.
NOW, THEREFORE, Landlord and Tenant agree as follows:
1.    The actual Expansion Commencement Date is October 1, 2019.
2.    The New Expiration Date is December 31, 2023.
3.
Section 4.2 of the Fifth Amendment is deleted in its entirety and the following
is substituted therefor:

Period
Annualized 
Base Rent
Monthly Installment of Base Rent
Approximate Monthly Rental Rate
per Rentable 
Square Foot
 
*11/01/19 – 01/31/20
$3,286,689.48
$273,890.79
$2.07
 
02/01/20 – 01/31/21
$3,401,723.61
$283,476.97
$2.14
 
02/01/21 – 01/31/22
$3,520,783.94
$293,398.66
$2.21
 
02/01/22 – 02/28/22
$3,421,080.00
$285,090.00
$2.15
 
03/01/22 – 02/28/23
$3,580,200.00
$298,350.00
$2.25
 
03/01/23 – 12/31/23
$3,686,810.40
$307,234.20
$2.317
 
*Landlord and Tenant acknowledge and agree that the prior tenant of the
Expansion Space referenced in the Fourth Amendment, Entropic Communications, LLC
("Entropic") paid to Landlord the Base Rent for the month of October, 2019 and
that Tenant has reimbursed Entropic for such payment.

4.
Capitalized terms not defined herein shall have the same meaning as set forth in
the Lease.

5.
Except as set forth in this Fifth Amendment, all of the terms and provisions of
the Lease shall remain unmodified and in full force and effect.

 
 
 

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IN WITNESS WHEREOF, this Fifth Amendment has been executed as of the date last
set forth below.

"LANDLORD":
SEQUENCE TECH. CENTER CA LLC,
a Delaware limited liability company

By: /s/ Ray Rothfelder
Its: Managing Director, Western U.S.
Dated: October 29, 2019

"TENANT":
DEXCOM, INC.,
a Delaware corporation
By: /s/ Brice Bobzien
Its: VP, Finance
Dated: October 24, 2019
By: /s/ Jereme Sylvain
Its: VP, Finance
Dated: October 24, 2019

890641.01/SD
287956-00155/10-21-19/MLT/pah
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