Wan Yusoff bin Wan Hamat

Petroliam Nasional Bhd. operates as an investment holding company which engages in the exploration of oil and gas, and marketing of petroleum & petroleum products. It operates through the following segments: Upstream, Gas and New Energy, Downstream and Corporate & others. The Upstream segment activities include oil and natural gas exploration, development and production, together with related pipeline and transportation activities. The Gas and New Energy segment activities include purchase of natural gas from Upstream, liquefaction and processing of natural gas, marketing and trading of liquefied natural gas and sales gas as well as power and new energy business. The Downstream segment activities include the supply and trading, refining, manufacturing, marketing and transportation of crude oil, petroleum and petrochemical products. The corporate & Others segment comprise primarily logistic and maritime segment, property segment and central treasury and project delivery and technology function. The company was founded on January 20, 1998 and is headquartered in Kuala Lumpur, Malaysia.

Petronas Penapisan (Terengganu) Sdn. Bhd. owns and operates crude oil refinery. The firm operates PETRONAS Kertih refinery and processes Malaysian light, sweet crude oil. The company was founded in 1982 and is headquartered in Kertih, Malaysia.

Malaysia Marine & Heavy Engineering Sdn Bhd offers marine repair and engineering services. The private company is based in Pasir Gudang, Malaysia. The Malaysian company is a subsidiary ultimately controlled by the Government of Malaysia.