Powering life with Future Energy and Beyond

Natural Gas Price Structure: As of Mar 2022 Gas prices are mostly agreed under long term contracts and volatility pass-through to ensure stable returns ptt Customers Power Producers 60% : EGAT 18% : IPP 13% : SPP 29% Gas Pool Price Average Purchased Gas Price Sales Price Structure Supply Margins + Pipeline Tariffs 1.75% * 1.75% * 9.33% * * EGAT IPP and SPP Supply Margins not more than 2.1525 and 11.4759 bt/mmbtu respectively GSP 19% Petrochemicals Feedstocks Ethane, Propane, LPG NGL Local Cooking Gas Export Cooking Gas Industry NGV 18% 3% . Charged at the same price structure of power producers Profit-sharing mechanism based on market prices of petrochemicals Reference to Naphtha market price At GSPs cost (adjusted every 3 months) Reference to a bi-weekly average of Platt's FOB Arub Gulf price Charged at prices comparable to fuel oil Charged at Avg. gas cost + Operating cost (3.892 bt/kg) for both Public & Private vehicles NGV's selling price reflects the natural gas cost and operating cost* (including gas quality adjustment) * The allowed operating cost is still regulated and not fully cover PTT's operating cost **A cap of NGV price at 13.62 baht/kg from 1 Nov 21 for taxi and 15.59 baht/kg for private and other vehicles from 16 Nov 21 until 15 Jun 22 Public transportation vehicles: regulated and capped to minimize the impact from the rising global crude prices on end-users Since 16 May 2018: Allowance to adjust NGV public price from 10.62 Baht/Kg. to 13.62 Baht/Kg. by every 4 month (16 May 19, 16 Sep 19 and 16 Jan 20) Since 1 Jan 2021 : Use the same pricing as private vehicles Private vehicles: reflect the natural gas cost, gas quality adjustment and operating cost (not fully cover PTT's operating cost) Since 16 Jul 2016: The retail price is set to reflect the natural gas cost but operating cost is still regulated Since 5 Sep 2017 : Allowance to adjusted +0.46 Baht/Kg. to 3.8920 Baht/Kg. for gas quality improvement cost 21.7 Bt/MMBtu 52

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