EX-10.1




 Exhibit 10.1 

Execution Version 

AMENDMENT NO. 1 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT 

THIS AMENDMENT NO. 1 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of December 19,
2022, by and between TLG Acquisition One Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized
terms contained in this Amendment, but not specifically defined in this Amendment, shall have the meanings ascribed to such terms in that certain Investment Management Trust Agreement, dated January 27, 2021, by and between the parties hereto (the
“Trust Agreement”). 
 WHEREAS, $400,000,000 of the gross proceeds from the Offering and sale of the Private
Placement Warrants was deposited into the Trust Account; 
 WHEREAS, Section 1(i) of the Trust Agreement provides that the Trustee is
to liquidate the Trust Account and distribute the Property in the Trust Account only after and promptly after (x) receipt of, and only in accordance with, the terms of a Termination Letter; or (y) the date which is 24 months after the
closing of the Offering if a Termination Letter has not been received by the Trustee prior to such date; 
 WHEREAS, Section 6(c) of
the Trust Agreement provides that Section 1(i) of the Trust Agreement may not be modified, amended or deleted without the affirmative vote of sixty-five percent (65%) of the then outstanding shares of Common Stock and Class F common stock,
par value $0.0001 per share, of the Company, voting together as a single class; 
 WHEREAS, the Company obtained the requisite vote of the
stockholders of the Company to approve this Amendment; and 
 WHEREAS, each of the Company and Trustee desire to amend the Trust Agreement
as provided herein. 
 NOW, THEREFORE, in consideration of the mutual agreements contained herein and other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound hereby, the parties hereto agree as follows: 

1. Amendment to Section 1(i). Section 1(i) of the Trust Agreement is hereby amended and restated in its entirety
as follows: 
  

	 	“(i)	 Commence liquidation of the Trust Account only after and promptly after (x) receipt of, and only in
accordance with, the terms of a letter from the Company (“Termination Letter”) in a form substantially similar to that attached hereto as either Exhibit A or Exhibit B, as applicable, signed on behalf of the
Company by its Chief Executive Officer, President, Chief Financial Officer, Secretary or Chairman of the board of directors of the Company (the “Board”) or other authorized officer of the Company, and complete the liquidation
of the Trust Account and distribute the Property in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to $100,000 of interest that may be released
to the Company to pay dissolution expenses), only as directed in 














	 	
the Termination Letter and the other documents referred to therein; or (y) February 1, 2023 (the “Deadline Date”) (provided that the Company, in its discretion, upon
written notice to the Trustee, may extend the Deadline Date by one month each on up to six occasions (each, an “Extension”), but in no event to a date later than August 1, 2023 (or, in each case, if the Office of the Delaware
Division of Corporations shall not be open for business (including filing of corporate documents) on such date, the next date upon which the Office of the Delaware Division of Corporations shall be open)) if a Termination Letter has not been
received by the Trustee prior to such date, in which case the Trust Account shall be liquidated in accordance with the procedures set forth in the Termination Letter attached as Exhibit B and the Property in the Trust Account, including
interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to $100,000 of interest that may be released to the Company to pay dissolution expenses) shall be distributed to the Public
Stockholders of record as of such date; provided, however, that the Company or TLG Acquisition Founder LLC (or their respective affiliates or permitted designees) will deposit into the Trust Account the lesser of (i) an aggregate
of $600,000 or (ii) $0.06 for each issued and outstanding share of the Company’s Class A common stock, par value $0.0001 per share, issued in the Offering (the “Public Shares”) that has not been redeemed for each one-month Extension (each, a “Contribution”); provided further, however, that in the event the Trustee receives a Termination Letter in a form substantially similar to Exhibit B
hereto, or if the Trustee begins to liquidate the Property because it has received no such Termination Letter by the date specified in clause (y) of this Section 1(i), the Trustee shall keep the Trust Account open until twelve
(12) months following the date the Property has been distributed to the Public Stockholders;” 

 2. Addition of
Section 1(m). A new Section 1(m) shall be added as follows: 
  

	 	“(m)	 Upon receipt of an extension letter (“Extension Letter”) substantially similar to
Exhibit E hereto at least five days prior to the applicable termination date (as may be extended in accordance with Section 1(i)), signed on behalf of the Company by an executive officer, and receipt of the dollar amount specified in the
Extension Letter on or prior to such termination date (if and as applicable), to follow the instructions set forth in the Extension Letter.” 



3. Amendments to Definitions. 

(i) Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Trust Agreement. The following
defined term in the Trust Agreement shall be amended and restated in their entirety: 
 “Trust Agreement” shall mean
that certain Investment Management Trust Agreement, dated January 27, 2021, by and between TLG Acquisition One Corp. and Continental Stock Transfer & Trust Company, as amended by the Amendment No. 1 to the Investment Management Trust
Agreement dated [•], 2022.”; and 

  
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 (ii) The term “Property” shall be deemed to include any Contribution
paid to the Trust Account in accordance with the terms of the Amended and Restated Certificate of Incorporation and the Trust Agreement. 

4. Addition of Exhibit E. A new Exhibit E of the Trust Agreement is hereby added as follows: 

EXHIBIT E 
 [Letterhead
of Company] 
 [Insert date] 

Continental Stock Transfer & Trust Company 

1 State Street, 30th Floor 
 New
York, New York 10004 
 Attn: Francis Wolf and Celeste Gonzalez 

Re: Trust Account — Extension Letter 

Dear Mr. Wolf and Ms. Gonzalez: 

Pursuant to paragraphs 1(i) and 1(m) of the Investment Management Trust Agreement between TLG Acquisition One Corp. (the
“Company”) and Continental Stock Transfer & Trust Company (the “Trustee”), dated as of January 27, 2021, as amended by the Amendment No. 1, dated December 19, 2022 (the
“Trust Agreement”), this is to advise you that the Company is extending the time available in order to consummate a Business Combination with the Target Businesses for an additional one month, from [•], 2023 to [•],
2023 (the “Extension”). Capitalized words used herein and not otherwise defined shall have the meanings ascribed to them in the Trust Agreement. This Extension Letter shall serve as the notice required with respect to
Extension prior to the applicable termination date (as may be extended in accordance with Section 1(i) of the Trust Agreement). In accordance with the terms of the Trust Agreement, we hereby authorize you to deposit a contribution in the amount
of $[•] for such one-month extension until [•], 2023, unless the Closing of the Company’s initial business combination shall have occurred, which will be wired to you, into the Trust Account
upon receipt. 
  

			
	 Very truly yours,

	
	 TLG Acquisition One Corp.

		
	 By:
	 	  

	 Name:
	 	
	 Title
	 	


 : 

  
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 5.1. Successors. All the covenants and provisions of this Amendment by or for the
benefit of the Company or the Trustee shall bind and inure to the benefit of their permitted respective successors and assigns. 
 5.2.
Severability. This Amendment shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect the validity or enforceability of this Amendment or of any other term or provision hereof.
Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Amendment a provision as similar in terms to such invalid or unenforceable provision as may be
possible and be valid and enforceable. 
 5.3. Applicable Law. This Amendment shall be governed by and construed and enforced in
accordance with the laws of the State of New York. 
 5.4. Counterparts. This Amendment may be executed in several original or
facsimile counterparts, each of which shall constitute an original, and together shall constitute but one instrument. 
 5.5. Effect of
Headings. The section headings herein are for convenience only and are not part of this Amendment and shall not affect the interpretation thereof. 

5.6. Entire Agreement. The Trust Agreement, as modified by this Amendment, constitutes the entire understanding of the parties and
supersedes all prior agreements, understandings, arrangements, promises and commitments, whether written or oral, express or implied, relating to the subject matter hereof, and all such prior agreements, understandings, arrangements, promises and
commitments are hereby canceled and terminated. 
 [Signature Page to Follow] 

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

			
	TLG ACQUISITION ONE CORP.
		
	By:	 	 /s/ John Michael Lawrie

		 	Name: John Michael Lawrie
		 	Title: President and Chief Executive Officer
	
	CONTINENTAL STOCK TRANSFER & TRUST COMPANY, as Trustee
		
	By:	 	 /s/ Francis Wolf

		 	Name: Francis Wolf
		 	Title: Vice President


 [Signature Page to the Amendment to the Investment Management Trust Agreement]