Exhibit 10.20


 





AMENDMENT TO LEASE


 


THIS AMENDMENT TO LEASE is
made and entered into this 5th day of December, 2017, by and between Red Pierce, LLC, an Ohio limited liability company (“Landlord”)
and Solid Power, Inc., a Colorado corporation (“Tenant”).


 


WITNESSETH:


 


WHEREAS, Landlord and Tenant
entered into a Lease on November 29, 2016, wherein Landlord leased to Tenant Premises commonly known as 486 S. Pierce Ave, Suite E, Louisville,
CO 80027.


 


WHEREAS, Landlord and Tenant
have agreed to amend the terms of the Lease.


 


WHEREAS, Landlord and Tenant,
as the parties, desire to modify and amend such Lease as set forth herein.


 


NOW, THEREFORE, for
good, valuable, and sufficient consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree that such
Lease shall be and is hereby amended and modified as follows (all capitalized terms used but not otherwise defined in this Amendment shall
have the meanings ascribed to under the Lease, unless the context otherwise requires):


 


		1.	EFFECTIVE DATE OF AMENDMENT: This Amendment will be effective upon full and final execution
by both parties hereto.



 


		2.	PREMISES RE-MEASUREMENT: Per the Lease requirement as outlined in Section 2.4 of the Lease,
Landlord’s architect completed the re-measurement of the Base Building and the Leasehold Improvements in accordance with the Building
Owners and Managers Association (BOMA) Industrial Buildings Standard Method of Measurement (ANSI Z65.2-2010), per the attached Exhibit
A: BOMA Re-measurement. The as-built actual rentable square footage of the Premises is 19,195 square feet.



 


		3.	TENANT’S SHARE: Due to the re-measurement and the Expansion Space, Tenant’s
Share, per Section 1.1(n) of the Lease shall be revised to 30.80%.



 


		4.	BASE RENT: The schedule of Base Rent as outlined in Section 1.1(k) shall be replaced with
the below schedule of remaining Base Rent payments due, updated to reflect the Premises re-measurement.



 






     


     


    

 


Rent Schedule (Per 1st of Month Payment Schedule)




 


	Actual Date	 	Monthly Rent	 	 	Rent Concession	 	 	Rent Due Per Period	 
	7/7/17 - 9/6/17	 	$	19,136.00	 	 	$	38,272.00	 	 	$	                      0.00	 
	9/7/17 - 9/30/17	 	$	14,469.76	 	 	$	0.00	 	 	$	14,469.76	 
	10/1/17 - 12/31/2017	 	$	19,136.00	 	 	$	0.00	 	 	$	57,408.00	 
	1/1/18 - 8/31/18	 	$	19,131.02	 	 	$	0.00	 	 	$	153,048.13	 
	9/1/2018 - 9/30/2018	 	$	19,591.70	 	 	$	0.00	 	 	$	19,591.70	 
	10/1/18 - 8/31/19	 	$	19,706.87	 	 	$	0.00	 	 	$	216,775.53	 
	9/1/2019 - 9/30/2019	 	$	20,180.34	 	 	$	0.00	 	 	$	20,180.34	 
	10/1/19 - 8/31/20	 	$	20,298.71	 	 	$	0.00	 	 	$	223,285.84	 
	9/1/2020 - 9/30/2020	 	$	20,784.99	 	 	$	0.00	 	 	$	20,784.99	 
	10/1/20 - 8/31/21	 	$	20,906.55	 	 	$	0.00	 	 	$	229,972.10	 
	9/1/2021 - 9/30/2021	 	$	21,405.62	 	 	$	0.00	 	 	$	21,405.62	 
	10/1/21 - 8/31/22	 	$	21,530.39	 	 	$	0.00	 	 	$	236,834.31	 
	9/1/2022 - 9/30/2022	 	$	22,042.26	 	 	$	0.00	 	 	$	22,042.26	 
	10/1/22 - 8/31/23	 	$	22,170.23	 	 	$	0.00	 	 	$	243,872.48	 
	9/1/2023 - 9/30/2023	 	$	22,707.69	 	 	$	0.00	 	 	$	22,707.69	 
	10/1/23 - 8/31/24	 	$	22,842.05	 	 	$	0.00	 	 	$	251,262.55	 
	9/1/2024 - 9/6/2024	 	$	5,403.46	 	 	$	0.00	 	 	$	5,403.46	 
	 	 	 	 	 	 	 	 	 	 	$	1,759,044.75	 



 


		5.	OTHER TERMS REMAIN UNCHANGED: All remaining terms and conditions of the Lease will remain
in full force and effect, except as modified by this Amendment.



 


		6.	BINDING ON SUCCESSORS AND ASSIGNS: All the covenants and agreements of the parties herein
above contained shall apply to and bind the parties, their agents, successors, and assigns.



 


		7.	COUNTERPARTS: This Amendment may be executed in one or more counterparts, all of which together
will constitute a single agreement and each of which shall be an original for all purposes.



 






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IN WITNESS WHEREOF, the parties
have executed this Amendment as of the date first set forth above.


 


	 	LANDLORD:
 Red Pierce, LLC
	 	 
	 	By:	                       
	 	 	 






 


STATE OF [_______]                      )


) ss:


COUNTY OF [________]               )


 


The foregoing instrument was
acknowledged before me this __ day of December, 2017 by _________________ as Member of Red Pierce, LLC, an Ohio limited liability company.


 


Witness my hand and official seal.


 


My commission expires: ______________


 





	 	 
	 	Notary Public


 


 


	 	TENANT:
 Solid Power, Inc.
 a Colorado corporation
	 	 
	 	By:	 
	 	Name:	           
	 	Title:	 




 


STATE OF [_______]                      )


) ss:


COUNTY OF [________]               )


 


The foregoing instrument was
acknowledged before me this __ day of December, 2017 by _____________ as _______________ of Solid Power, Inc., a Colorado corporation.


 


Witness my hand and official seal.


 


My commission expires: ______________


 





	 	 
	 	Notary Public


 






     


     


    

 


Exhibit A


 


BOMA Re-Measurement