Company: GDSTR
Filing Date: 2025-05-14
Form Type: S-4/A
Source: 0001213900-25-043297
Chunk: 398

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-05-14
Form: S-4/A
Chunk 398
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 of the Warrant Shares as approximately $29.0million. Such fair value was accounted for as a variable consideration,

F-71

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-72 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      |
| Section 1.01                                              |     | Certain Definitions                          |     | A-2      |
| Section 1.02                                              |     | Further Definitions                          |     | A-10     |
| Section 1.03                                              |     | Construction                                 |     | A-12     |
| Article II. AGREEMENT AND PLAN OF MERGER                  |     |                                              |     | A-13     |
| Section 2.01                                              |     | The Merger