Company: GDSTR
Filing Date: 2025-04-24
Form Type: S-4/A
Source: 0001213900-25-034782
Chunk: 529

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-04-24
Form: S-4/A
Chunk 529
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 remedy to which such parties are entitled at law or in equity. 15. Severability . In the event that any provision of this Agreement or the application thereof becomes or is declared by a court of competent jurisdiction to be illegal, void or unenforceable, the remainder of this Agreement will continue in full force and effect and the application of such provision to other persons or circumstances will be interpreted so as reasonably to effect the intent of the parties hereto. 16. Counterparts . This Agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement, it being understood that each party need not sign the same counterpart. This Agreement shall become effective when each party shall have received a counterpart hereof signed by all of the other parties. Signatures delivered electronically or by facsimile shall be deemed to be original signatures. 17. Termination . This Agreement shall terminate upon the earliest of (a) the Closing of the Merger, (b) the termination of the BCA in accordance with its terms, and (c) the time this Agreement is terminated upon the mutual written agreement of Goldenstone, the Company and the Sponsor. Annex A-77

IN WITNESS WHEREOF, the parties hereto have caused this Sponsor Support Agreement to be executed as of the date first written above.

| GOLDENSTONE:                    |     |                         |
| Goldenstone Acquisition Limited |     |                         |
| By:                             |     | /s/ Eddie Ni            |
|                                 |     | Eddie Ni                |
|                                 |     | Chief Executive Officer |

| SPONSOR:                |     |              |
| Goldenstone Holding LLC |     |              |
| By:                     |     | /s/ Eddie Ni |
|                         |     | Eddie Ni     |
|                         |     | Manager      |

Annex A-78

IN WITNESS WHEREOF, the parties hereto have caused this Sponsor Support Agreement to be executed as of the date first written above.

| THE COMPANY:                      |     |                         |
| Infintium Fuel Cell Systems, Inc. |     |                         |
| By:                               |     | /s/ Yan (Chris) Feng    |
|                                   |     | Yan (Chris) Feng        |
|                                   |     | Chief Executive Officer |

Annex A-79 EXHIBIT B Stockholder Support Agreement This Stockholder Support Agreement, dated as of June 26, 2024 (this “ Agreement ”), by and among Golden