his case involves an investment dispute between Claimants, Mr Waguih Elie George Siag and Mrs Clorinda Vecchi, and Respondent, the Arab Republic of Egypt (“Egypt”). Mr Siag and his mother Ms Vecchi are natural citizens of Italy. As Claimants they bring this case under the ICSID Convention and the Agreement for the Promotion and Protection of Investments between the Republic of Italy and the Arab Republic of Egypt dated March 2, 1989 (hereinafter the “Italy — Egypt BIT” or “BIT”). Mrs Vecchi died on 16 October 2007. Her claim is now advanced by the executors of her estate.