Company: GDSTR
Filing Date: 2025-06-20
Form Type: S-4/A
Source: 0001213900-25-055744
Chunk: 552

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-06-20
Form: S-4/A
Chunk 552
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 and accomplish the purposes of this Agreement and the consummation of the transactions contemplated hereby. 12. No Strict Construction. The language used in this Agreement will be deemed to be the language chosen by the parties to express their mutual intent, and no rules of strict construction will be applied against any party hereto. 13. Dispute Resolution. Section 10.07 (Waiver of Jury Trial) of the BCA is incorporated by reference herein to apply with full force to any disputes arising under this Agreement. 14. Governing Law. Section 10.06 (Governing Law) of the BCA is incorporated by reference herein to apply with full force to any disputes arising under this Agreement. 15. Controlling Agreement. To the extent the terms of this Agreement (as amended, supplemented, restated or otherwise modified from time to time) directly conflicts with any provision in the BCA, the terms of this Agreement shall control. [ Signature page follows ] Annex A-101

IN WITNESS WHEREOF, the parties hereto have caused this Sponsor Lock-up Agreement to be duly executed by their respective authorized signatories as of the date first set forth above.

| GOLDENSTONE ACQUISITION LIMITED |     |                         |
| By:                             |     |                         |
|                                 |     | Eddie Ni                |
|                                 |     | Chief Executive Officer |

| GOLDENSTONE HOLDING, LLC |     |          |
| By:                      |     |          |
|                          |     | Eddie Ni |
|                          |     | Manager  |

Annex A-102 Annex B FORM OF THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INFINTIUM FUEL CELL SYSTEMS HOLDINGS, INC. Pursuant to Section 242 and 245 of the Delaware General Corporation Law Infintium Fuel Cell Systems Holdings, Inc., a corporation existing under the laws of the State of Delaware, by its Chief Executive Officer, hereby certifies as follows: 1. The name of the corporation is Infintium Fuel Cell Systems Holdings, Inc. 2. The Corporation’s Certificate of Incorporation was filed in the office of the Secretary of State of the State of Delaware (“Delaware Secretary of State”) on September 9, 2020. 3. The Corporation’s Amended and Restated Certificate of Incorporation was filed in the office of the Delaware Secretary of State on March 16, 2022. 4. The Corporation’s Amendment to the Amended and