Company: NKLR
Filing Date: 2025-09-11
Form Type: S-4/A
Source: 0001213900-25-086741
Chunk: 665

Company: Terra Innovatum Global N.V.
Filing Date: 2025-09-11
Form: S-4/A
Chunk 665
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 of the Business Combination Agreement in accordance with its terms prior to the Closing. 11. Sponsor shall execute and deliver, or cause to be delivered, such additional documents, and take, or cause to be taken, all such further actions and do, or cause to be done, all things reasonably necessary (including under applicable Laws), or reasonably requested by GSR III, Terra OpCo or PubCo, to effect the actions and consummate the Business Combination and the other transactions contemplated by this Agreement and the Business Combination Agreement (including the transactions contemplated hereby and thereby), in each case, on the terms and subject to the conditions set forth therein and herein, as applicable. 12. Sponsor hereby authorizes GSR III, Terra OpCo and PubCo to publish and disclose in any disclosure required by the U.S. Securities and Exchange Commission Sponsor’s identity and beneficial ownership of the Sponsor Securities and the nature of Sponsor’s obligations under this Agreement. ***** Annex C-6

Please indicate your agreement to the terms of this Sponsor Agreement by signing where indicated below.

| GSR III SPONSOR LLC     |     |                            |
| By:                     |     | /s/ Gus Garcia             |
| Name:                   |     | Gus Garcia                 |
| Title:                  |     | Co-Chief Executive Officer |
| Location: Austin, Texas |     |                            |

Signature Page to Sponsor Support Agreement

Annex C-7

Accepted and Agreed:

| GSR III ACQUISITION CORP. |     |                            |
| By:                       |     | /s/ Gus Garcia             |
| Name:                     |     | Gus Garcia                 |
| Title:                    |     | Co-Chief Executive Officer |
| Location: Austin, Texas   |     |                            |

Signature Page to Sponsor Support Agreement

Annex C-8

| TERRA INNOVATUM S.R.L. |     |                         |
| By:                    |     | /s/ Alessandro Petruzzi |
| Name:                  |     | Alessandro Petruzzi     |
| Title:                 |     | Chief Executive Officer |
| Location: Lucca, Italy |     |                         |

Signature Page to Sponsor Support Agreement

Annex C-9 Annex D Final Form AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (this “ Agreement ”), dated as of [•], 2025, is made and entered into by and among GSR III Acquisition Corp. (