Gazprom UGS LLC is a 100% subsidiary of PJSC Gazprom, managing almost all underground gas storages located in the Russian Federation. Gazprom UGS operates 23 storage facilities created in 27 geological structures (17 in depleted gas fields, 8 in aquifers, 2 in rock salt deposits). The leased and own well stock is 4576 units. Gazprom UGS has implemented an integrated management system in the field of occupational safety and environmental protection, meeting the requirements of ISO 45001:2018, ISO 14001:2015