Company: GDSTR
Filing Date: 2025-07-18
Form Type: S-4/A
Source: 0001213900-25-065671
Chunk: 547

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-07-18
Form: S-4/A
Chunk 547
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holder” under the Agreement and shall be fully bound by, and subject to, all of the covenants, duties, obligations terms and conditions of the Agreement as though an original party thereto. 2. Governing Law . This Joinder and all acts and transactions pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance with the laws of the State of Delaware applicable to contracts executed in and to be performed in that State. 3. Counterparts . This Joinder may be executed in two or more counterparts, each of which shall be an original and all of which together shall constitute one instrument. [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] Annex A-88

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

| [STOCKHOLDER NAME] |
| By:                |
| Name:              |
| Title:             |
| Address:           |
| Email:             |

| Securities beneficially owned on the date hereof: |
| ____________shares of Class A Common Stock        |

Annex A-89

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

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

Annex A-90

STOCKHOLDER SUPPORT AGREEMENT SPOUSAL CONSENT I , spouse of , have read and approve the foregoing Stockholder Support Agreement (the “ Agreement ”). In consideration of the terms and conditions as set forth in the Agreement, I hereby appoint my spouse as my attorney-in-fact with respect to the exercise of any rights and obligations under the Agreement, and agree to be bound by the provisions of the Agreement insofar as I may have any rights or obligations in the Agreement under the community property laws or similar laws relating to marital or community property in effect in the state of our residence as of the date of the Agreement.

| Date ___________________________________________           |
| Signature of Spouse _____________________________          |
| Printed Name of Spouse ___________________________________ |

Annex A-91 EXHIBIT C LOCK-UP PARTIES 1.Charles Mao 2.Jinming (Jim) Yang 3.Yan (Chris) Feng 4