Company: GDSTR
Filing Date: 2025-06-20
Form Type: S-4/A
Source: 0001213900-25-055744
Chunk: 538

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-06-20
Form: S-4/A
Chunk 538
---
. 16. 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. [Signature Pages Follow] Annex A-84

IN WITNESS WHEREOF, the parties hereto have executed this Stockholder Support Agreement as of the date first written above.

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

| INFINTIUM FUEL CELL SYSTEMS, INC. |     |                         |
| By:                               |     | /s/ Yan (Chris) Feng    |
|                                   |     | Yan (Chris) Feng        |
|                                   |     | Chief Executive Officer |

Annex A-85

IN WITNESS WHEREOF, the parties hereto have executed this Stockholder Support Agreement as of the date first written above.

| Ancheng Industries, Inc |     |           |
| By:                     |     | /s/ Yi Li |
| Name:                   |     | Yi Li     |
| Title:                  |     | President |
| Address:                |     |           |
| Email:                  |     |           |

Annex A-86

EXHIBIT A Stockholders of Record — Number of Shares

| Stockholder of Record   |     | Number of Shares |
| Ancheng Industries, Inc |     |       65,491,786 |

Annex A-87 EXHIBIT B JOINDER TO STOCKHOLDER SUPPORT AGREEMENT This JOINDER TO STOCKHOLDER SUPPORT AGREEMENT (this “ Joinder ”) is made and entered into as of [•], by and among each of the stockholders of Infintium Fuel Cell Systems, Inc., a Delaware corporation (the “ Company ”), whose names appear on the signature pages of this Joinder (each, a “ Stockholder ” and, collectively, the “ Stockholders ”), and Goldenstone Acquisition Limited, a Delaware corporation (“ Goldenstone ”). RECITALS A. Goldenstone and certain stockholders of the Company have entered into a Stockholder Support Agreement dated [DATE], 2024 (as amended, modified, supplemented, extended or restated from time to time, the “ Agreement ”)