Company: NKLR
Filing Date: 2025-05-14
Form Type: S-4
Source: 0001213900-25-043376
Chunk: 545

Company: Terra Innovatum Global N.V.
Filing Date: 2025-05-14
Form: S-4
Chunk 545
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 information shared by GSR III prior to the Closing with the Terra Designated Directors (in any capacity) under a common interest agreement shall remain the privileged communications or information of the Terra Entities following the Closing. [ Remainder of page intentionally left blank ] Annex A-59

IN WITNESS WHEREOF the parties have hereunto caused this Agreement to be duly executed as of the date first above written.

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

Annex A-60

IN WITNESS WHEREOF the parties have hereunto caused this Agreement to be duly executed as of the date first above written.

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

Annex A-61 Annex B Plan of Merger [To Come ] Annex B-1 Annex C SPONSOR SUPPORT AGREEMENT April 21, 2025 GSR III Acquisition Corp. 5900 Balcones Drive, Suite 100 Austin, TX 78731 and Terra Innovatum s.r.l., an Italian Società a responsabilità limitata Via Matteo Trenta 117 Lucca, Italy Ladies and Gentlemen: Reference is made to that certain Business Combination Agreement, dated as of the date hereof (as it may be amended, restated or otherwise modified from time to time, the “ Business Combination Agreement ”) by and among GSR III Acquisition Corp., a Cayman Island exempted company (“ GSR III ”), and Terra Innovatum s.r.l., an Italian Società a responsabilità limitata (“ Terra OpCo ”), and such other parties that will sign joinders to the Business Combination Agreement in accordance with the Terra Pre-Closing Restructuring (as defined therein). This sponsor support agreement (“ Sponsor Agreement ”) is being entered into and delivered by GSR III, GSR III Sponsor LLC, a Delaware limited liability