The Company’s ordinary shares are admitted to trading on the Luxembourg Stock Exchange’s regulated market and listed on the Official List of the Luxembourg Stock Exchange (symbol “APAM”) and are traded on the NYSE Euronext Single Order Book with Amsterdam as the Market of Reference (symbol “APAM” and Euronext code NSCNL00APAM5). The ordinary shares were admitted to listing and trading on the regulated market of the Luxembourg Stock Exchange, Euronext Amsterdam and Euronext Paris on January 31, 2011.On February 13, 2017, the Company annouced that it has applied for a listing on Euronext Brussels. This cross listing became effective on February, 16, 2017. The ordinary shares of the Company are accepted for clearance through Euroclear and Clearstream Luxembourg under common code number 056997440. The ISIN code of the ordinary shares of the Company is LU0569974404. The Aperam shares are also traded as New York registry shares on the OTC under the symbol APEMY.