The Upstream Subholding is operated under PT Pertamina Hulu Energi (PHE) which synergizes all activities of Pertamina’s upstream businesses. The upstream businesses includes exploration, and production of oil and gas taking place across all business locations of Pertamina in the country and abroad. PHE thus leads a number of other Pertamina’s subsidiaries, namely PT Pertamina EP, PT Pertamina Internasional Eksplorasi Produksi, PT Pertamina EP Cepu, PT Pertamina EP Cepu Alas Dara Kemuning, PT Pertamina Drilling Services Indonesia, PT Pertamina Hulu Indonesia and PT Elnusa Tbk.
