FORT WORTH, Texas–(BUSINESS WIRE)–Presidio Production Company (NYSE: FTW) (“Presidio” or the “Company”), a differentiated oil and gas operator focused on the acquisition and optimization of mature, producing oil and natural gas assets in the United States, today announced its addition to the S&P Total Market Index and the S&P Completion Index, effective on June 22, 2026. Will Ulrich, Chairman and co-CEO of Presidio, commented: “Being added to the S&P Total Market Index and S&P