Investors Information for shareholders ADR ADR Information for holders of American Depository Receipts evidencing Hydro's American Depositary Shares traded in the U.S. In the United States the shares are traded on OTCQX International, the premium over-the-counter market tier, in the form of American Depositary Receipts evidencing American Depositary Shares, which carry the same shareholder rights as ordinary shares. One ADR represents one ordinary Hydro share. Hydro’s ADSs were listed on the New York Stock Exchange (NYSE) between 25 June 1986 and 22 November 2007. ADR information regarding the Hydro share Exchange Over the counter (OTCQX) Ticker NHYDY Cusip 656531605 Sedol 2642819 Ratio (A:O) 1:1 Depositary JPMorgan Custodian DnB NOR Bank ASA All questions regarding ADR holdings such as notification to change of address, cancelling or transferring ADR certificates, problems relating to lost, destroyed or stolen receipts or to give dividend payment instructions please contact JPMorgan. Contact information US depository bank: JPMorgan Chase Bank By phone Toll-free US & Canada +1 800-990-1135 Outside US +1 651-453-2128 Hearing +1 866-700-1652 Automated IVR system available 24 hours/7 days a week. Repesentatives are available 9:00 am to 7:00 pm EST weekdays. By internett www.adr.com and go to the Investor Services page. By mail for regular correspondence JPMorgan Chase Bank, N.A. PO Box 64504 St. Paul, MN 55164-0504 Updated: October 04, 2019 Recommended for you About Hydro Key facts Hydro worldwide The Hydro Way Brand center Corporate governance Modern Slavery Transparency statement Website cookies Contact Contact Media contacts Investor Relations Contacts Customer service portal Follow us Instagram Facebook LinkedIn Twitter Flickr YouTube Shapes Suppliers Privacy policy Terms & conditions Accessibility Sitemap © 2021 Norsk Hydro ASA

About Hydro Hydro worldwide Americas Argentina Buenos Aires Hydro Extrusions Argentina Hydro Extrusions Argentina At our manufacturing plant in Pilar, near Buenos Aires, Hydro Extrusions has one of the most technically advanced extrusion presses in Latin America. We serve customers in many industries, including building and construction, and we employ around 110 employees in Argentina. Did you know Buildings represent 40% of the world’s energy demand Did you know? About 75 percent of all aluminum ever produced is still in use Address Hydro Extrusion Argentina S.A. Calle 4 n° 262, Parque Industrial Pilar B1629MXA Buenos Aires Pilar Argentina +54 230 446-3812 +54 230 446-3800 Contact us Terms & Conditions Standard Purchasing Terms & Conditions Terminos y Condiciones Estandar d Compra Bienes y Servicios About Hydro Key facts Hydro worldwide The Hydro Way Brand center Corporate governance Modern Slavery Transparency statement Website cookies Contact Contact Media contacts Investor Relations Contacts Customer service portal Follow us Instagram Facebook LinkedIn Twitter Flickr YouTube Shapes Suppliers Privacy policy Terms & conditions Accessibility Sitemap © 2021 Norsk Hydro ASA