SEC Filing Document

Company: Berto Acquisition Corp. II
Ticker: GUAC
CIK: 2081515
Filing Type: S-1
Document Type: EX-10.1
Date Filed: 2026-04-27
Accession Number: 0001829126-26-003952
Exchange: 
SIC Code: 6770
SIC Description: Blank Checks
URL: https://www.sec.gov/Archives/edgar/data/2081515/000182912626003952/bertoacquisition2_ex10-1.htm

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or practice relating to the offering of securities in any jurisdiction; it, he or she has never been convicted of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any financial transaction or handling of funds of another person, or (iii) pertaining to any dealings in any securities and it, he or she is not currently a defendant in any such criminal proceeding. 10. The Sponsor, the Consultant, each Insider and each Investor has full right and power, without violating any agreement to which it is bound (including, without limitation, any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement and, with respect to the Insiders, as applicable, to serve as an officer and/or director on the board of directors of the Company and hereby consents to being named in the Prospectus as an officer and/or director of the Company.

11.	As used herein, (i) “ Business Combination ” shall mean a merger, amalgamation, share exchange, asset acquisition,
share purchase, reorganization or similar business combination, involving the Company and one or more businesses or entities; (ii) “ Ordinary
Shares ” shall mean Ordinary Shares, par value $0.0001 per share in the share capital of the Company; (iii) “ Founder
Shares ” shall mean the 7,187,500 Ordinary Shares (up to 937,500 of which are subject to complete or partial forfeiture by
the Sponsor and/or the Investors if the over-allotment option is not exercised by the Underwriters), which were issued in a private placement
prior to the closing of the initial public offering of the Company; (iv) “ Initial Shareholders ” shall mean the
Sponsor, the Consultant, any Insider and any Investor that holds Founder Shares; (v) “ Private Placement Warrants ”
shall mean the 3,500,000 warrants that the Sponsor has agreed to purchase, for an aggregate purchase price of $3,500,000, or $1.00 per
warrant, in a private placement that shall occur simultaneously with the consummation of the Public Offering; (vi) “ Public
Shareholders ” shall mean the holders of securities issued in the Public Offering; (vii) “ Trust Account ”
shall mean the trust fund into which a portion of the net proceeds of the Public Offering, investments by the Investors, and the sale
of the Private Placement Warrants shall be deposited; and (viii) “ Transfer ” shall mean the (a) sale of, offer
to sell, contract or agreement to sell, hypothecate, pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose
of, directly or indirectly, or establishment or increase of a put equivalent position or liquidation with respect to or decrease of a
call equivalent position within the meaning of Section 16 of the Exchange Act, and the rules and regulations of the Commission promulgated
thereunder with respect to, any security, (b) entry into any swap or other arrangement that transfers to another, in whole or in part,
any of the economic consequences of ownership of any security, whether any such transaction is to be settled by delivery of such securities,
in cash or otherwise, or (c) public announcement of any intention to effect any transaction specified in clause (a) or (b).

12.	The Company will maintain an insurance policy or policies providing directors’ and officers’ liability insurance, and each officer and director shall be covered by such policy
or policies, in accordance with its or their terms, to the maximum extent of the coverage
available for any of the Company’s directors or officers.

13.	This Letter Agreement constitutes the entire agreement and understanding of the parties
hereto in respect of the subject matter hereof and supersedes all prior understandings,
agreements, or representations by or among the parties hereto, written or oral, to
the extent they relate in any way to the subject matter hereof or the transactions
contemplated hereby. This Letter Agreement may not be changed, amended, modified or
waived (other than to correct a typographical error) as to any particular provision,
except by a written instrument executed by (i) each party that is the subject of such change and (ii) Sponsor. Changes, amendments, modifications or waivers to paragraph 3 pursuant to the immediately
foregoing sentence (other than to correct a typographical error) shall also require
the written consent of the Representative.

14.	No party hereto may assign either this Letter Agreement or any of its rights, interests,
or obligations hereunder without the prior written consent of the other parties. Any
purported assignment in violation of this paragraph shall be void and ineffectual
and shall not operate to transfer or assign any interest or title to the purported assignee. This Letter Agreement shall be binding on the Sponsor, the Consultant, each Insider, each Investor and their respective successors, heirs and assigns and permitted transferees.

15.	Nothing in this Letter Agreement shall be construed to confer upon, or give to, any
person or corporation other than the parties hereto any right, remedy or claim under
or by reason of this Letter Agreement or of any covenant, condition, stipulation,
promise or agreement hereof. All covenants, conditions, stipulations, promises and
agreements contained in this Letter Agreement shall be for the sole and exclusive
benefit of the parties hereto and their successors, heirs, personal representatives
and assigns and permitted transferees.

16.	This Letter Agreement may be executed in any number of original or facsimile counterparts
and each of such counterparts shall for all purposes be deemed to be an original,
and all such counterparts shall together constitute but one and the same instrument.

17.	This Letter Agreement shall be deemed severable, and the invalidity or unenforceability
of any term or provision hereof shall not affect the validity or enforceability of
this Letter Agreement 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 Letter Agreement a provision as similar
in terms to such invalid or unenforceable provision as may be possible and be valid
and enforceable.

18.	This Letter Agreement shall be governed by and construed and enforced in accordance
with the laws of the State of New York. The parties hereto (i) all agree that any
action, proceeding, claim or dispute arising out of, or relating in any way to, this
Letter Agreement shall be brought and enforced in the courts of New York City, in
the State of New York, and irrevocably submit to such jurisdiction and venue, which
jurisdiction and venue shall be exclusive and (ii) waive any objection to such exclusive
jurisdiction and venue or that such courts represent an inconvenient forum.

19.	Any notice, consent or request to be given in connection with any of the terms or
provisions of this Letter Agreement shall be in writing and shall be sent by express
mail or similar private courier service, by certified mail (return receipt requested),
by hand delivery or facsimile transmission.

20.	This Letter Agreement shall terminate on the earlier of (i) the expiration of the Lock-up Periods or (ii) the liquidation of the Company;
provided, however, that this Letter Agreement shall earlier terminate in the event that the Public Offering is not consummated and closed
by December 31, 2026; provided further that paragraph 4 of this Letter Agreement shall survive such liquidation.

[Signature Page Follows]

Execution Version

Sincerely,

BERTO ACQUISITION SPONSOR
II LLC

Name:	Harry L. You

Title:	Managing Member

METEORA CAPITAL, LLC

Name:	Vikas Mittal

Title:	Managing Member

Harry L. You

Robert H. You

Oanh Truong

Samuel O. Lynn

Darla K. Anderson

Constance K. Weaver

Acknowledged and Agreed:

BERTO ACQUISITION CORP. II

Name:

Title: