Heads of Agreement signed for Vali gas sales

➢ ATP 2021 Joint Venture enters into a Heads of Agreement with AGL Wholesale Gas Limited ➢ HoA targets parties executing a Gas Sales Agreement by year end ➢ Subject to agreeing a GSA and satisfaction of conditions precedent, gas supply to AGL commencing mid 2022 until end 2026, estimated at between 9 PJ and 16 PJ (gross) ➢ Pricing at a mix of fixed and variable market rates ➢ Includes a pre-paymen