Investor Presentaiton

8 TBS Energi Utama Power Business TBS Overview Financial Performance Mining Business PT Gorontalo Listrik Perdana Sulbagut-1 Project CFSPP Sulbagut-1 (2X50 MW) North Gorontalo, Gorontalo Province, Indonesia • Project Overview Partnership Composition: TBS (60%), PT Toba Sejahtra (20%)[1], Shanghai Electric Power Construction (SEPC) (20%) PPA signed in July 2016 and Financial Close achieved in July 2017 Contract Period: 25 years Project Cost: US$ 224 million EPC Contractor: Shanghai Electric Power Corporation Progress Updates (as of 31 December 2020) Remarks In-Progress Land acquisition completed All drawing and engineering documents has been completed and submitted by contractor. Boiler, Turbine and Generator has been completed manufacture, and have arrived on-site Procurement 18 out of 20 project shipments (major equipment) have arrived on site. Subject Status Land Acquisition Completed Engineering Completed Boiler, Turbine, Generator Completed ("BTG") Procurement Construction In-Progress • Both Boiler #1 and Boiler #2 have completed Hydrotest • Main power building installation in-progress www.tbsenergiutama.com • Both Turbine #1 and Turbine #2 have been installed and will continue in field work to connect with the Generator

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