THIRD AMENDMENT TO PURCHASE AGREEMENT


THIS THIRD AMENDMENT
TO PURCHASE AGREEMENT (this "Amendment") is made and entered into as of April 25, 2022 (the "Effective Date")
by and between Pineapple Energy Inc., f/k/a/ Communications Systems, Inc., a Minnesota corporation ("Seller") and Buhl
Investors, LLC, a Minnesota limited liability company, or its assigns ("Buyer").


RECITALS


WHEREAS, Seller
and Buyer entered into a Purchase Agreement dated November 18, 2021, amended pursuant to a First Amendment to Purchase Agreement dated
February 15, 2022, and further amended by that certain Second Amendment to Purchase Agreement dated April 11, 2022 (collectively, the
"Purchase Agreement") wherein Seller agreed to sell to Buyer, and Buyer agreed to buy from Seller, that certain real property
located at 10900 Red Circle Drive, located in the city of Minnetonka, Hennepin County, Minnesota, and as more particularly described
in the Purchase Agreement; and


WHEREAS, Buyer
and Seller now desire to further amend the Purchase Agreement in the manner set forth below.


AGREEMENT


NOW, THEREFORE,
for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Seller and Buyer agree as follows:


1.                 
Recitals; Defined Terms. The foregoing recitals are true and correct and are incorporated herein by reference. All capitalized
terms in this Amendment shall have the same meaning as set forth in the Purchase Agreement, except as otherwise noted herein.


2.                 
Extension of the Contingency Termination Date. The Contingency Termination Date pursuant to the Purchase Agreement is scheduled
for 5:00 pm CDT on April 26, 2022. The parties hereby acknowledge and agree that the Contingency Termination Date is hereby amended to
instead be scheduled for 11:59 pm CDT on Thursday, May 26, 2022.


3.                 
Inspection and Contingency Rights. Buyer hereby waives its contingency rights held under the Purchase Agreement strictly
related to title and survey conditions under Section 3.3 of the Purchase Agreement, and any physical conditions of the Real Estate. The
parties agree and acknowledge that Buyer's waiver herein is strictly limited to the foregoing, and does not constitute a waiver of any
other contingencies found within the Purchase Agreement and in favor of Buyer, including, but not limited to, (1) obtaining the necessary
access approvals from the City of Minnetonka related to Buyer's intended use of the Property; and (2) obtaining a driveway easement from
the neighboring property owner to the West, in a form reasonably acceptable to Buyer in its sole and absolute discretion.


4.                 
Closing Date. The original Closing Date pursuant to the Purchase Agreement was set to occur fifteen (15) days following
the Contingency Termination Date. The parties herby acknowledge and agree that the Closing Date is hereby extended to be on or before
Friday, June 10, 2022.


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5.                 
Conflict Provision. This Amendment is intended to supplement and amend the provisions of the Purchase Agreement. To the
extent that any of the provisions contained herein are inconsistent with the provisions of the Purchase Agreement, the provisions of
this Amendment shall control. Except as specifically modified herein, the Purchase Agreement shall remain unchanged and in full force
and effect.


6.                 
Counterpart Execution. This Amendment may be executed via electronic transmission including the use of DocuSign or similar
services, facsimile transmission, or via email and in one or more counterparts which, taken together, shall constitute one and the same
amendment.


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IN WITNESS WHEREOF,
this Amendment has been executed and delivered by Seller and Buyer and shall be deemed to be effective as of the date set forth above.




	 	SELLER:
	 	 
	 	Pineapple Energy  Inc., 
	 	a  Minnesota corporation  
	 	 
	 	By:	
	 	 	Mark
 Fandrich 
	 	 	Chief Financial Officer
	 	 	 
	 	 	 
	 	BUYER:
	 	 
	 	BUHL INVESTORS, LLC,
	 	a
Minnesota limited liability company
  
	 	 
	 	By:	
	 	 	Peter Deanovic  
	 	 	Chief Executive Officer 
	 	 	 



 




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