Company: GDSTR
Filing Date: 2025-07-18
Form Type: S-4/A
Source: 0001213900-25-065671
Chunk: 399

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-07-18
Form: S-4/A
Chunk 399
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 Shares will vest and become immediately exercisable upon each incremental $2,250,000 in Payments from July1, 2024 until such time as the cumulative total amount of Payments equals $225,000,000, except that the last $2,250,000 in Payments shall vest only 275,676 Warrant Shares. The Warrant and Warrant Shares will be accounted for as an equity instrument. The Company recorded the grant date fair value on January15, 2025 of the Warrant Shares as approximately $29.0million. Such fair value was accounted for as a variable consideration,

F-68

INFINTIUM FUEL CELL SYSTEMS, INC.
NOTES TO FINANCIAL STATEMENTS NOTE 20 — SUBSEQUENT EVENTS (cont.) to be recognized as a proportional reduction of revenue against the up to $225million in potential payments from the Warrant holder. The table below summarizes the fair value of grant date fair value of the Warrant and the assumptions included in the Black -Scholesmodel used to estimate the fair value:

|                         |     | Grant Date       
 January 15, 2025 |       |   |
|:------------------------|:----|:-----------------|------:|:--|
| Fair value              |     | $                |  0.87 |   |
| Stock price             |     | $                |  1.20 |   |
| Exercise price          |     | $                |  0.65 |   |
| Risk-free interest rate |     |                  |  4.66 | % |
| Term (in years)         |     |                  |    10 |   |
| Volatility              |     |                  | 75.00 | % |
| Dividend yield          |     |                  |     0 | % |

In March 2025, the Company repaid the related party loan payable from Lender C in the full amount of $300,000 as disclosed in Note 11.

F-69 Annex A Execution Version BUSINESS COMBINATION AGREEMENT by and among GOLDENSTONE ACQUISITION LIMITED, PACIFICA ACQUISITION CORP., and INFINTIUM FUEL CELL SYSTEMS, INC. Dated as of June 26, 2024

Table of Contents

|                                                           |     |                                              |     | Annex A  
 Page No. |
| Article I. DEFINITIONS                                    |     |                                              |     | A-2      |
|