The semi-circular office building on the corner of Damrota and Powstańców Streets in Katowice was built between 1997 and 1999 according to a design by Jan Lelątko, Piotr Pawłowski and Zdzisław Stanik. In 2000, the design received awards from the Minister of Construction and the Minister of Internal Affairs. It was built for Bank Rozwoju Eksportu, now mBank, which put it up for sale in 2024 for PLN 32 million. It has six above-ground floors and approximately 7,500 square metres of floor space. Its main part was built on a circular plan and forms an impressive arched façade, completely glazed on the north side. Address: 43 Powstańców Street, Katowice.