AB Igrene (publ) is a Swedish company engaged in oil and gas exploration activities. It primarily focuses on prospecting for gas and oil resources within the Siljan Meteoritic Impact Ring, a unique geological formation. The company holds exploration concessions covering a total area of 21,651 hectares, conducting geophysical measurements, exploratory drilling, gas and water sampling, and chemical analysis of cores to identify exploitable deposits and assess extraction methods. AB Igrene (publ) also explores potential for geothermal heat alongside traditional hydrocarbons. Its operations emphasize test drilling, soil sampling, and seismic surveys in this specific region to evaluate resource extent and viability. Founded in 1928 and headquartered in Mora, Sweden, AB Igrene (publ) plays a niche role in Sweden's energy exploration sector, targeting sedimentary rock formations for energy-related discoveries.