Noble Corp plc

Noble is making this solicitation and will pay the entire cost of preparing, assembling, printing, mailing, and distributing the notices and these proxy materials and soliciting votes. In addition to sending you these materials or otherwise providing you access to these materials, some of our directors and officers as well as management and non-management employees may contact you by telephone, mail, e-mail or in person. You may also be solicited by means of press releases issued by the Company, postings on our website atwww.noblecorp.com, advertisements in periodicals, or other media forms. None of our officers or employees will receive any extra compensation for soliciting you. We will also reimburse banks, nominees, fiduciaries, brokers and other custodians for their costs of sending the proxy materials to the beneficial owners of our shares. In addition, to assist us with our solicitation efforts, we have retained the services of Georgeson for a fee of approximately $17,000, plus out-of-pocket expenses.