Customer name: PT. PRIMA SENTRA USAHA Country: Indonesia Standard: ISO 9001:2015 Scope: Supplier Services for Rental and Maintenance of Equipment Including Spare Parts for Oil and Gas Industry Certificate number: ID-10021-QMS Certificate Expiry Date: 24

Customer name:  PT. PAMETERINDO EDUKATAMA ANEKA Country: Indonesia Standard: ISO 9001:2015 Scope: General Construction & Maintenance Services for Piping, Water Treatment and Drilling of Soil Water and Provision of Flow Control, Instrumentation and Educational Visual

Customer name:  PT. JATIMULIA INDONESIA Country: Indonesia Standard: ISO 9001:2015 Scope: Provision of General Construction and Maintenance Services for Civil Engineering and Electrical Certificate number: ID-10027-QMS Certificate Expiry Date: 06 June 2025   Customer name:

Customer name: PT. GLOBAL INTERINDO FURNIKA TRICIPTA Country: Indonesia Standard: ISO 9001:2015 Scope: Provision of Supplying Various Interior – Furniture Products, Design and Construction for Architectural, Civil, Interior, Mechanical and Electrical Certificate number: ID-10023-QMS Certificate Expiry

Customer name: PT. FASTINDO PIRANTI KABEL Country: Indonesia Standard: ISO 9001:2015 Scope: Provision of General Construction & Maintenance Services for Mechanical and Electrical Work Certificate number: ID-10029-QMS Certificate Expiry Date:  01 December 2024   Customer name:

Customer name: PT. CITRA YALA TAMA RAYA Country: Indonesia Standard: ISO 9001:2015 Scope: Provision Services of Supplier for Pipe and Pump Machine Certificate number: ID-10016-QMS Certificate Expiry Date: 27 June 2025   Customer name: PT. CITRA

Customer name: PT. CHINDRA SANTI PRATAMA Country: Indonesia Standard: ISO 9001:2015 Scope: Provision of General Construction & Maintenance Services for Civil Engineering, Mechanical & Electrical in Water Piping, Water Treatment Plant, Wastewater Treatment Plant, Horizontal Directional Drilling

Customer name: PT. BOSOWA BETON INDONESIA Country: Indonesia Standard: ISO 9001:2015 Scope: Production of Precast Process by Ready Mix Concrete Certificate number: ID-10031-QMS Certificate Expiry Date:  09 January 2026   Customer name: PT. BOSOWA BETON INDONESIA

Customer name: PT. AGUS SUTA LINE Country: Indonesia Standard: ISO 9001:2015 Scope: Provision of General Construction & Maintenance Services for Civil Engineering, Architecture and Mechanical Works and Shipping Certificate number: ID-10028-QMS Certificate Expiry Date: 25 August

Customer name: PT. GEARINDO TIGA UTAMA Country: Indonesia Standard: ISO 9001:2015 Scope: The Design, Engineering, Procurement, Construction, Installation, Commissioning (Architecture, Civil, Mechanical, Electrical & Engineering Works) and Project Management for Oil & Gas Industry, Geothermal, Infrastructure,