Thailand Energy Market & PTTEP Business Update

E&P Portfolio | Africa Algeria Production 433a&416b (WI 35%) • Oil production consisting of block 433a, 416b • Operated by PVEP (WI 40%) Average Daily Production volume of crude at 16 KBPD Hassi Bir Rekaiz (WI 49%) • HBR oil filed consisting of block 443a, 424a and 415ext ⚫ 1st Oil in June 2022 and started delivering sales volume in Q4/2022. • Operated by Groupment (WI 51%) • Average Daily Production volume of crude at 13 KBPD Angola Development Block 17/06 (WI 2.5%) • FID in July 2022 for Begonia offshore oil field in the Lower Congo Basin. . Operated by Total Energies (WI 30%) • Divestment in progress estimate completion 2023 Bir Seba ALGERIA Block 17/06 Production Development Hassi Bir Rekaiz ANGOLA 30 MOZAMBIQUE MZA1 PTTEP Mozambique Development Area 1 (WI 8.5%) • High quality reservoirs capable up to 200 MMSCFD per well • Construction phase for LNG facility with capacity 13.1 MTPA (2 trains). • Currently under Force Majeure due to local security situation . Operated by TotalEnergies (WI 26.5%)

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