Genmab’s American Depositary receipts (ADR) Program Genmab established a sponsored Level 3 ADR program with Deutsche Bank Trust Company Americas. An ADS represents ownership of shares in a non-US corporation. ADSs issued under Genmab's ADR Program are quoted and traded in US dollars on the Nasdaq Global Select Market in the United States. Ten Genmab ADSs correspond to one Genmab ordinary share. View Genmab's ADS details on Deutsche Bank's website View Website Genmab ADS Information ADR ticker symbol GMAB Structure Level 3 ADS Exchange Nasdaq Global Select Market Ratio 10 ADRs: 1 ordinary share DR ISIN US3723032062 CUSIP 372303 206 Contact details Contact details for ADS investors and brokers: Deutsche Bank ADS broker services desks New York: +1 212 250 9100 London: +44 207 547 6500 Contact details for registered ADS Holders: Deutsche Bank Shareholder Services AST Operations Center 6201 15th Avenue Brooklyn, NY 11219 USA Email: DB@astfinancial.com Toll-free: +1 866 706 0509 Toll: +1 718 921 8137