Company: HYAC-WT
Filing Date: 2025-07-15
Form Type: DEFA14A
Source: 0001104659-25-068092
Chunk: 7

Company: Haymaker Acquisition Corp. 4
Filing Date: 2025-07-15
Form: DEFA14A
Chunk 7
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 transfer of immediately available
funds or as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance
with the provisions of this Note. Reference is made to the Maker’s definitive proxy statement dated July 1, 2025 relating to the
Maker’s annual general meeting of shareholders to be held on July 24, 2025 (the “Proxy Statement”).

1. Principal. The
entire unpaid principal balance of this Note shall be due and payable on the Maturity Date unless earlier repaid or unless accelerated
upon the occurrence of an Event of Default (as defined below). “Maturity Date” means the earlier of the (i) consummation
of the Maker’s initial merger, share capital exchange, asset acquisition, share purchase, reorganization or similar business combination
with one or more businesses or entities (a “Business Combination”) and (ii) the last day the Maker has to complete
a Business Combination pursuant to the Maker’s Amended and Restated Memorandum and Articles of Association, as then in effect. The
Payee understands that if a Business Combination is not consummated, this Note will be repaid solely to the extent that the Maker has
funds available to it outside of its trust account established in connection with its initial public offering of its securities (the “Trust Account”). The Principal Amount may be prepaid at any time. Under no circumstances shall any individual, including, but not
limited to, any officer, director, employee or shareholder of the Maker, be obligated personally for any obligations or liabilities of
the Maker under this Note.

2. Interest. No interest
shall accrue on the unpaid Principal Amount of this Note.

3. Advances.

(a) . If the
Extension Amendment Proposal (as defined in the Proxy Statement) is approved and adopted, beginning on July 28, 2025, and on the twenty-eighth
(28th) day of each subsequent month until the Maturity Date (or if such day is not a business
day, on the business day immediately preceding such day), the Payee shall advance (each, an “Advance” and the sum of
all Advances, the “Principal Amount”) directly to the Trust Account an amount equal to the lesser of (i) US$0.025 for
each outstanding Class A ordinary share, par value US$0.0001 per share, of the Maker and (ii) US$375,000. No fees