Shire’s ADRs trade on the NASDAQ stock market under the symbol ‘SHPGY’, with each ADR representing three ordinary shares. Shire’s ordinary shares are listed on the London Stock Exchange.

Shire group treasurer Tom Greene said Shire look forward to working closely with citi to add continued value both to the existing and potential shareholders in the US.

Citi Global Head of Securities and Fund Services Client Sales Management Dirk Jones said by leveraging Citi’s global equity distribution network and its unique investor relations expertise, the bank will strive to provide outstanding investor access to Shire’s ADR program and bolster its visibility.