Russia's Novosibirsk-based Promresurs LLC has become the new owner of 100% of Ulugkhemugol LLC, part of Severstal's mining division, and 81.3% of Mezhegeiugol Coal Company LLC, from Tuva and wholly owned by PJSC Raspadskaya, Interfax reported. Ulugkhemugol is Severstal's only remaining coal asset after the sale of Vorkutaugol in 2022. Mezhegeiugol specializes in coal exploration and production at the Mezhegei deposit in Tuva. Production capacity at the Mezhegei deposit is 1 Mt of Zh-grade coking coal per year. JORC-compliant proven and probable reserves of Zh coking coal are estimated at 86 Mt. Mezhegeyugol's output amounted to 0.6 Mt in Jan-Aug 2026, a threefold increase YoY.