Chatham Updates on its Share Offer to Existing Investors

NEWS RELEASE 24-25 July 26, 2024 CHATHAM UPDATES ON ITS SHARE OFFER TO EXISTING SHAREHOLDERS WELLINGTON New Zealand – Further to Chatham Rock Phosphate Limited’s (TSXV: “NZP”, NZX: 3GRE Frankfurt Bourse “CRP” or the “Company”) press releases of June 28, 2024 and July 23, 2024, regarding the share offering to its existing shareholders (in Canada) and the share purchase plan (in New Zealand), the Company wishes to clarify that up to 200,000,000 common shares may be issued under the aforementioned share offering, for gross proceeds of up to CA$16,000,000. Completion of the offering is subject to receipt of the approval of the TSX Venture Exchange. All securities issued pursuant to the offering in Canada will be subject to a four month and one day hold period from the date of issuance of the Shares in accordance with applicable Canadian securities laws. For further information please contact Chris Castle President and Chief Executive Officer Chatham Rock Phosphate Limited 64 21 558 185 or chris@crpl.co.nz Neither the Exchange, its Regulation Service Provider (as that term is defined under the policies of the Exchange), or New Zealand Exchange Limited has in any way passed upon the merits of the Transaction and associated transactions, and has neither approved nor disapproved of the contents of this press release. CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This news release may contain certain “forward looking statements”. Forward-looking statements involve known and unknown risks, uncertainties, assumptions and other factors that may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Any forward-looking statement speaks only as of the date of this news release and, except as may be required by applicable securities laws, the Company disclaims any intent or obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise.