Exhibit 99.1 U.S. Energy Corp. Reports Financial and Operating Results for Full Year and Fourth Quarter 2023 HOUSTON, March 26, 2024 — U.S. Energy Corporation (NASDAQ: USEG, “U.S. Energy” or the “Company”), a growth- focused energy company engaged in operating a portfolio of high-quality producing oil and natural gas assets, today reported financial and operating results for the three and twelve months ended December 31, 2023. FULL YEAR 2023 HIGHLIGHTS ● Total daily production in 2023 averaged 1,711 Boe/d; ...