Senior Management & Advisor – INDO RAYA TENAGA

	SENIOR EXECUTIVES
	Stephanus (Steve) AdriantoGeneral Manager – Development Project Managing our project development as GM since 2017, Steve Adrianto have brought our power plant into commercial operation. Reporting to the BOD, Steve is presently chairing our Communication & ESG Committee as well as managing external issues and general matters, including completion of office building and power plant improvement. Prior to joining Jawa 9 & 10 project, with more than 30 years’ extensive experience and training in various Engineering & Construction project execution, Steve is an expert at project management, and throughout his career, he has experience being Senior Manager of Engineering and development project, project director and project advisor to many multinational companies.
	Lee Suk MunManaging Director – Operation & Maintenance Managing our operation & maintenance as GM since 2023, Lee Suk Mun has over 30 years of experience as a Power Plant’s Engineer. He dedicated his career to KEPCO & KOMIPO, South Korea’s foremost power companies. A highlight of his career includes successfully navigating challenges in the Cirebon TPP Project in Indonesia. He takes pride in collaboration with his Indonesian colleagues and am excited about the prospect of contributing expertise to JAWA 9-10 Project as a valuable member of IRT.
	EXECUTIVES
	Rizky KurniawanDeputy MD – Risk, Internal Control & Compliance (RICC) Managing our overall financing, corporate planning and accounting & tax since 2017, Rizky has been our controller financial matters and project financing as VP; Reporting to the BOD, Rizky is presently chairing our Remuneration & Human Capital Committee as well as managing internal matters, including RICC. Prior to joining Jawa 9 & 10 project, Rizky has 12 years of experience in finance industry. He started his career at Bank Mandiri, Indonesia’s largest bank asset. In 2010, he joined Star Energy Geothermal, Indonesia’s leading geothermal energy producer, where he worked on several key corporate finance transactions. In 2016, he joined Hitay Energy Holdings, a prominent Turkish group, to assist Hitay on the development of geothermal concession area in West Sumatra.
	KardiDeputy Chief Technology Officer – Health, Safety & Environment Managing our overall health, safety and environment since 2019, as a DGM and part of Project Development team, Kardi has carried out our health, safety and environmental management, including the successful zero incident and environmental regulatory compliance; His role continuous on to operational phase as VP and he is also a member of our Communication & ESG Committee. Prior to joining Project Development team, Kardi has over 32 years of experience in Steam Power Plants. He served at PT Indonesia Power as an Operations Engineer at Perak Grati PGU for 5 years before being transferred to several Operations and Maintenance positions at PT. Indonesia Power Suralaya PGU, such as Senior Supervisor of Operations and Commercial Planning, FABA Management Manager, Maintenance Manager for Units 1-4, Maintenance Manager for Units 5-7, and Land Preparation Coordinator of PLTU Jawa 9 and 10.
	*Hanna MelianaDeputy Chief Investment Officer – Commercial & Business Development*** As an advisor to BOD, Hanna joined Jawa 9 & 10 project since 2019 as she managed our legal, contractual and commercial aspects of the project from pre-financing to construction stage. She advanced to a VP position in 2024 and successfully managed critical commissioning path with PLN, bringing our project stage to a commercial operation conclusion and beyond. Hanna is a seasoned in-house infrastructure lawyer with a strong background in managing legal and commercial aspects of large-scale infrastructure projects. She was awarded as one of the top finalists of 2024 Women Lawyer of the Year in the South-east Asia region by Asian Legal Business. Prior to joining Jawa 9&10, Hanna held senior position at international corporate law firms of Herbert Smith Freehills (Jakarta) and Baker & McKenzie (Jakarta).
	*Haryo WibisonoDeputy Managing Director – Fuel* Joining our Jawa 9 & 10 project in 2020, Haryo managed our human capital, internal/external relation and general administrative matters for the first few years of his tenure and successfully managing Covid-19 in achieving zero fatality. As the project continued towards completion and commissioning, in 2022 Haryo successfully process the recruitment of substantially all O&M personnel and managing the critical processes of ensuring fuel supply management as a DGM, and he continue to do so during operational stage. Haryo is also the vice chair of our Remuneration & Human Capital Committee and a member of our Communication & ESG Committee. Prior to joining Jawa 9 & 10 project, has a various experience in oil & gas and geothermal power plant as a senior manager of supply chain management and also project leader enhancing oil recovery surfactant polymer water flood.
	*Harris FaliandoDeputy Chief Financial Officer – Accounting and Administration* Joining Jawa 9 & 10 project in 2021, Harris managed our accounting and tax matters as part of Finance team and successfully managed taxation and the accounting to reporting process. He advanced to a VP position in Dec 2024 to bring more success during the commissioning and operation period, with a broader role to include general administration, community development and security as well as being a member of our Communication & ESG Committee. Prior to joining Jawa 9 & 10 project, Harris has over 11 years of financial experience, commencing his career as a business analyst at PT Astra International. He then transitioned to PT PLN Indonesia Power (a Subholding of PT PLN Persero) in 2012, where he served as a corporate budget planner and controller.
	*Novtiyanto Hendrawan (Novti)Deputy Chief Investment Officer – SCM & Legal* Joining Jawa 9 & 10 project in 2022, Novti managed our procurement and logistic matters and during this critical period, successfully managed the administration of procurement, logistic and local content. He advanced to a VP position in 2025 to bring more success during the commissioning and operation period. Novti has over 15 years of experience in Indonesia’s power plant industry, dedicating his career to PLNIP, one of the country’s leading power companies. Specializing in supply chain management, he has contributed to various high-profile energy projects.
	*Dony RafikaDeputy Chief Technology Officer – Engineering* Joining Jawa 9 & 10 project in 2023, Dony entered to project at its crucial construction and commission stage as a VP, aiding the Project Development team to achieve common objectives. Prior to joining Jawa 9 &10, Dony has over 20 years of experience in power plants, Dony started his career at PLTGU Priok and gained experience thru varies position starting from an operator, environmental officer, asset management and maintenance planning. Pursuing his career and experience as Asset Management Manager at PT. Indonesia Power Head Office, Maintenance planner, QHSE field at PLTGU Priok and Maintenance Manager at PLTU Suralaya
	Kim DeugsooDeputy Managing Director – Operation Kim Deugsoo join Jawa 9 & 10 project in 2023 and he successfully concluded the selection of operators and establishment of manual as DGM. Entering into operational stage, his role to ensure operational excellence is an utmost essential key success factor factors to achieve company’s objectives. Prior to joining Jawa 9 &10 project, he served as Turbine Maintenance Manager for the Tanjung Jati Unit 3 and 4 Project (660MW × 2 units) in Indonesia and as Commissioning General Manager for the Shin-Boryeong USC Power Plant (1,000MW × 2 units) in South Korea. In addition to power plant operations, he has extensive experience in the development of renewable energy projects both domestically and internationally.
	Oh Min SuDeputy Managing Director – Maintenance Oh Min Su join Jawa 9 & 10 project in 2023 and successfully concluded the setting up of maintenance team, establishment of manual and plant commissioning maintenance as DGM. Maintenance is a key business process in power plant life cycle and we are lucky to have Oh Min Su as a leader in maintenance division. Prior to joining Jawa 9 &10 project, worked as general manager of mechanical engineering department in Sinseocheon(1,000MWX1) , Boreyong thermal power plant(500MWX8).
	Park Jun Beom (Jayden)Deputy Chief Financial Officer – Finance and Resource Joining Jawa 9 & 10 project since 2024, Jaden advanced from international relation manager to a VP position in 2025 as the project enter commercial stage. We are lucky to have Jaden as our team to assist us in achieving company’s objectives. Prior to joining the Jawa 9 & 10 project, Jaden worked in the Project Finance Team at KEPCO since 2013, where he was responsible for major overseas power projects including the Barakah Nuclear Power Plant in the UAE (5.6GW), the Moorside Nuclear Project in the U.K. (2.4GW), the Fujeij on-shore Wind Plant in Jordan (100MW), and the YONA/Magilio Solar + ESS project in the U.S. Guam (1GW).
	ADVISORS
	DaryawanHead of Business Development and Advisor to BOD Joining Jawa 9 &10 project in 2023, Daryawan, has been expanding network with PLN and PLN sub-holding, as well as Korean business partners to ensure the success of project completion and expanding our organic business opportunities after the project enter commercial operation. Prior to Joining Jawa 9 & 10 Project, with more than 10 years in business development, Daryawan started his career in Samsung C&T Corp in Seoul in charge of power development in Asia and Africa and successfully secured projects for the Korean companies. Upon return to Indonesia and assisting Samsung’s Jakarta office he handled Indonesian market development that include Power business, LNG business, Healthcare and Infrastructure business and Biomass trading.
	Tisna GunawanAdvisor to BOD Joining Jawa 9 &10 project in 2023, Tisna has aid communication and relationship with PLN and PLN sub-holding to ensure the success of project completion and achievement of company objectives. Prior to joining Jawa 9 &10 Project, Tisna has over 31 years of experience with PT PLN (Persero). He started his service in PLN Group as an accountant analyst, and branch manager, leading the Administration Head and Customer Service Division, also the Head of Internal Auditors before he was assigned as Executive Vice President, General Affairs, at PT PLN (Persero). He was assigned as President and Commissioner of PT PLN Batubara in 2022.

Sapto Aji

President Director

Sapto Aji Nugroho has more than 24 years of working experience in power generation, within PLN and PT Indonesia Power (IP). He started in PLN in early 1994, as Operator of Suralaya SPP 1600 MW, and in 1997 he was transferred to IP as Supervisor and Manager at Suralaya Power Plant. In 2008 he was transferred back to PLN as Project Manager at Labuan Power Plant, and then back again to IP as Deputy General Manager at Suralaya SPP in 2012. In early 2015, he was transferred to the IP Head Office as Head of Engineering Division. In early 2017, he was transferred to PT Indo Raya Tenaga as President Director to develop the Jawa 9-10 Power Plant project.

Andry Setiawan

Director

Andry is a highly regarded professional having successfully turned around two divisions within Barito Group. Andry has held many senior positions in high-profile petrochemical companies including Tripolyta Indonesia Tbk., and Chandra Asri, where he successfully established Chandra Asri Petrochemical Tbk. as the largest integrated petrochemical company in Indonesia in 2011. Since then, Andry heads Petrindo Jaya Kreasi, and Barito Wahana Lestari (Barito Pacific’s new mining and energy division) and was recently appointed as the Business Development Director in Barito Pacific Tbk.

Peter Wijaya

Director

Since 2008, Peter has worked at Barito and Star Energy group, and has since led the group’s Energy M&A and JV deals, oil & gas sales, as well as electricity sales negotiations with SOEs, government institutions and other commercial counterparts. Previously, Peter worked at Coopers & Lybrand (now PwC), KPMG Indonesia, and Santos. At Santos, he managed the financing and commercial development of Santos’ first oil and gas fields in Indonesia. Currently, Peter is the Vice President Commercial & Business Development of Star Energy, and is also a member of the Board of Directors of PT Barito Wahana Lestari.

Yudianto (Yudi) Permono

Director

Yudi has more than 16 years of working experience in Indonesia IPP projects, starting from PT Indonesia Power (IP) in early 2002. He has been Operator of Suralaya SPP 3400 MW, manager of several IPP – IP’s subsidiaries (PT Indo Medco Power, PT Indo Ridlatama Power), power plant development manager, and starting 2012 as Director of PT Rajamandala Electric Power. In early 2018, he was transferred to PT Indo Raya Tenaga as Director to develop the Jawa 9-10 Power Plant project.