Annual Meeting Date and Director Nominations

13 July 2026: ArborGen Holdings Limited (NZX: ARB) (ArborGen or the Company) intends to hold its 2026 Annual Shareholders’ Meeting on Tuesday 15 September 2026. Further details will be advised in the Notice of Meeting which will be sent to shareholders in due course. For the purposes of NZX Listing Rule 2.3.2, the closing date for director nominations is Monday 27 July 2026. All nominations must be received by 5.00 pm on the closing date. Nominations may only be made by a shareholder entitled to attend and vote at the Annual Meeting and must be accompanied by the consent in writing of the nominated person. Nominations should either be emailed to: Christina Green CGreen@arborgen.com or addressed to: Director Nominations ArborGen Holdings Limited PO Box 68-249 Victoria Street West Auckland 1142 New Zealand For further information please email: info@arborgenholdings.com. ENDS Authority for this announcement: Patrick Crumbie, Interim CEO, ArborGen Holdings Limited For more information, please contact: Jackie Ellis, Ellis and Co, e: jackie@ellisandco.co.nz, t: +64 27 246 2505 ArborGen ArborGen is the largest commercial global seedling supplier and a leading provider of advanced genetics, for the forest industry. Employing state-of-the-art technology, ArborGen is developing high-value products that significantly improve the productivity of a given acre of land by enabling our customers to grow trees that yield more wood per acre with greater consistency and quality in a shorter period of time. For more information, please visit ArborGen’s website at www.arborgen.com.