The Audit Committee is formed to implement the internal control and audit as well as to ensure the Company is constantly managed in accordance with GCG principles and prevailing laws and regulations.

Hamid Awaluddin - Chairman of Audit Committee

He also serves as President Commissioner and Independent Commissioner of the Company. Appointed as Chairman of the Audit Committee pursuant to the Circular Resolution of the Board of Commissioners No.010/BIG/BOC/VII/2026 dated 6 July 2026. His profile can be found in the Company Profile sub-page Profile of the Board of Commissioners.

Willem Lucas Timmermans - Member

Dutch citizen, 62 years old. Appointed as a member of Audit Committee based on the Circular Resolution of the Board of Commissioners No.010/BIG/BOC/VII/2026 dated 6 July 2026. He also serves as Independent Commissioner, Chairman Board Audit Committee, and Member Board Risk and Compliance Committee at PT XLSmart Telecom Sejahtera Tbk. He has over 35 years of experience in finance, accounting, economics, and telecommunication industry. Previously, he worked for PT XL Axiata Tbk, PT Telkomsel, Bakrie Group and Royal Dutch Telecom to serve several strategic positions. He earned a Bachelor of Business Administration and Economics degree from Hanze University Groningen, Netherlands, and a Master of Business Economics and Financing degree from State University Groningen, Netherlands. He has no affiliations with major shareholders, nor with members of the Board of Commissioners or the Board of Directors.

Tatan Achmad Taufik - Member

Indonesian citizen, 60 years old. He was appointed as a member of the Audit Committee pursuant to the Circular Resolution of the Board of Commissioners No.010/BIG/BOC/VII/2026 dated 6 July 2026. He currently also serves as a member of the Business Development and Risk Monitoring Committee at PT Garuda Indonesia (Persero) Tbk. Previously, he served as as Chief Financial and Procurement Officer at PT Kideco Jaya Agung, Corporate Advisor at PT Kideco Jaya Agung, and Chief Executive Officer at PT Antam Resourcindo (a subsidiary of PT Antam Tbk). He brings more than 35 years of experience in finance and mining industries, including at JP Morgan Chase Bank and American Express Bank Ltd. He earned his Bachelor of Management degree from the Faculty of Economics and Business, Universitas Indonesia. He has no affiliations with major shareholders, nor with members of the Board of Commissioners or the Board of Directors.

The Company’s nomination and remuneration functions are carried out directly by the Board of Commissioners in accordance with Financial Services Authority Regulation No. 34/POJK.04/2014 dated 8 December 2014 on the Nomination and Remuneration Committee of Public Companies.

The Corporate Secretary function serves as a link between the company's organ with external parties, including government and non-government institutions, shareholders, as well as other capital market institutions.

Olga Oktavia Patuwo

Indonesian citizen, 58 years old. Appointed as Corporate Secretary of the Company based on the Directors' Decree No. 001/DOID/SKDir/V/2017, dated May 8, 2017. Prior to joining the Company, Olga Patuwo served as Manager of Corporate Affairs at PT Samudra Energy, Corporate Secretary at PT Bintang Mitra Semesta Raya Tbk, and Senior Manager of Investor Relations at the Indonesian Bank Restructuring Agency (BPPN/IBRA). She began her career as Assistant Manager of Financial Control and Corporate Secretary Division at PT Bank Tiara Asia Tbk. She earned her Bachelor of Business Administration with a major in Finance from Texas Christian University, Fort Worth, USA.

The Corporate Communication function manages and maintains the company's brand image and reputation and develops relationships with key stakeholders.

Kamelia Mohamad - Head of Corporate Communication

Indonesian citizen, 44 years old. Prior to joining the company in 2022, she served as VP Corporate Communications at PT Prudential Life Assurance. She has accumulated over a decade of experience in the communications industry, holding positions such as Regional Communications Manager at PT Haskoning Indonesia, Communications Manager at PT Tetra Pak Indonesia, Regional Communications Specialist at PT Seamless Pipe Indonesia Jaya, and Corporate Communications Manager at PT Minamas Gemilang. She earned her Master of Corporate Communication from Universiti Putra Malaysia.

The Internal Audit Unit ensures and assists with the company's risk management effectiveness and internal controls, overseeing the optimal implementation of governance practices. Additionally, the unit manages the Whistleblowing System, which allows whistleblowers to confidentially report any violations of the company's code of ethics.

Lucky Meirina - Head of Internal Audit Unit

Indonesian citizen, 48 years old. Appointed as the Head of Internal Audit Unit based on Directors' Decree No. 001/DOID/BOD-DIRUT/IV/2024, dated April 3, 2024. She is an experienced finance, accounting, and taxation professional who has held various finance roles at Shell and Schlumberger, both inside and outside Indonesia. Prior to joining BUMA International Group, she held the position of Channel Profitability Consultant RTM ICE at Shell Indonesia. She graduated from the University of Indonesia as a Chartered Accountant.