Share Purchase Plan

11 September 2026 NZ SHARE PURCHASE PLAN WasteCo Group Limited (NZX: WCO) (WasteCo) is pleased to announce the formal terms of a share purchase plan to its eligible shareholders (SPP). A total of $750,000 is being sought under the SPP, with the ability to accept oversubscriptions at WasteCo’s discretion. The SPP is available to those existing shareholders recorded in WasteCo’s share register as having a New Zealand address as at 5.00pm (NZST) on 10 September 2026 (Eligible Shareholders). Eligible Shareholders may apply for up to a maximum of $50,000 of new shares. There is no minimum application amount for the SPP. The SPP is not underwritten. If WasteCo receives applications for more than $750,000 of new shares in aggregate, scaling may be applied by reference to accepting Eligible Shareholders’ shareholdings at 5.00pm (NZST) on 10 September 2026. Important dates Record Date for determining eligibility of shareholders for the SPP - 5.00pm (NZST) on 10 September 2026 Opening Date of SPP - 11 September 2026 Closing Date of SPP (last day for online applications with payment) - 5.00pm (NZST) on 24 September 2026, unless extended by WasteCo Allotment and issue of new shares - 30 September 2026, and weekly thereafter if the SPP is extended Statements mailed - By 7 October 2026, and weekly thereafter if the SPP is extended Additional information Nothing contained in this announcement constitutes investment, legal, tax or other advice. Investors are encouraged to seek appropriate professional advice before making any investment decision. For any questions in respect of the SPP, please contact MUFG Pension & Market Services at +64 9 375 5998 or email applications.nz@cm.mpms.mufg.com. For other questions, investors should contact their broker, financial, investment or other professional advisor. For further information on the content of this announcement, please contact: Sean Joyce Chair WasteCo Group Limited