SEC Filing Document

Company: Berto Acquisition Corp. II
Ticker: GUAC
CIK: 2081515
Filing Type: S-1
Document Type: EX-4.4
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_ex4-4.htm

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provides that upon the occurrence of certain events the number of Ordinary Shares issuable upon exercise of the Warrants set forth on the face hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive a fractional interest in an Ordinary Share, the Company shall, upon exercise, round down to the nearest whole number of Ordinary Shares to be issued to the holder of the Warrant. Warrant Certificates, when surrendered at the principal corporate trust office of the Warrant Agent by the Registered Holder thereof in person or by legal representative or attorney duly authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the Warrant Agreement, but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate a like number of Warrants.

Upon due presentation for registration of transfer of this Warrant Certificate at the office of the Warrant Agent a new Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for any tax or other governmental charge imposed in connection therewith.

The Company and the Warrant Agent may deem and treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to the holder(s) hereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. Neither the Warrants nor this Warrant Certificate entitles any holder hereof to any rights of a shareholder of the Company.

Election to Purchase

(To Be Executed Upon Exercise of Warrant)

The undersigned hereby
irrevocably elects to exercise the right, represented by this Warrant Certificate, to receive _____ Ordinary Shares and
herewith tenders payment for such Ordinary Shares to the order of Berto Acquisition Corp. II (the
“Company”) in the amount of $_____________ in accordance with the terms hereof. The undersigned requests
that a certificate for such Ordinary Shares be registered in the name of _____________, whose address is and that such Ordinary
Share be delivered to ______________ whose address is _______________. If said number of Ordinary Share is less than all of the
Ordinary Share purchasable hereunder, the undersigned requests that a new Warrant Certificate representing the remaining balance of
such Ordinary Share be registered in the name of ___________________, whose address is _______________ and that such Warrant
Certificate be delivered to _______________, whose address is _______________.

In the event that the Warrant has been called for redemption by the Company pursuant to Section 6.1 of the Warrant Agreement and the Company has required cashless exercise pursuant to Section 6.3 of the Warrant Agreement, the number of Ordinary Share that this Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(b) and Section 6.3 of the Warrant Agreement.

In the event that the Warrant is a Private Placement Warrant to be exercised on a “cashless” basis pursuant to subsection 3.3.1(c) of the Warrant Agreement, the number of Ordinary Share that this Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(c) of the Warrant Agreement.

In the event that the Warrant may be exercised, to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number of Ordinary Share that this Warrant is exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for such cashless exercise and (ii) the holder hereof shall complete the following: The undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive Ordinary Share. If said number of Ordinary Share is less than all of the Ordinary Share purchasable hereunder (after giving effect to the cashless exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Share be registered in the name of ________________, whose address is ________________ and that such Warrant Certificate be delivered to ________________, whose address is ________________.

By signing this Election to Purchase, the undersigned hereby certifies that such election will not result in the undersigned beneficially owning Ordinary Shares in excess of the [4.9%] Cap outlined in Section 3.3.5 of the Warrant Agreement.

[To be included in any Election to Purchase of a holder who has provided the notice set forth in subsection 3.3.5 of the Warrant Agreement.

By signing this Election to Purchase, the undersigned hereby certifies that upon after giving effect to such exercise, the undersigned (together with such person’s affiliates) or any “group” of which holder or its affiliates is a member, would not beneficially own in excess of the Maximum Percentage of the Ordinary Shares outstanding immediately after giving effect to such exercise as determined in accordance with subsection 3.3.5. of the Warrant Agreement.]

[Signature Page Follows]

Date: ____________, 20___

Signature Guaranteed:

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE)).