Lonestar Resources US Inc. Announces Production Results for the Quarter Ended March 31, 2021

Lonestar Resources US Inc. is an independent oil and natural gas company. The Company is focused on the exploration, development and production of unconventional oil, natural gas liquids and natural gas in the Eagle Ford Shale (Eagle Ford) play in South Texas. Its primary operational focus is on its Eagle Ford position in 11 Texas counties. The Western Eagle Ford is comprised of Dimmit, La Salle and Frio Counties. The Central Eagle Ford is comprised of Gonzales, Karnes, Fayette, Wilson, DeWitt and Lavaca Counties. The Eastern Eagle Ford is comprised of Brazos and Robertson Counties. It operates approximately 97% of its Eagle Ford position and approximately 94% of its net acreage is held by production (HBP). Third-party engineers have identified approximately 240 gross (135 net) horizontal drilling locations on its Eagle Ford acreage.