Noble Energy, Rosetta, and their respective directors, executive officers and certain other members of management and employees may be soliciting proxies from Rosetta shareholders in favor of the merger and related matters. Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of Rosetta shareholders in connection with the proposed merger will be set forth in the proxy statement/prospectus when it is filed with the SEC. You can find information about Noble Energy's executive officers and directors in its definitive proxy statement filed with the SEC on March 27, 2015. You can find information about Rosetta's executive officers and directors in its definitive proxy statement filed with the SEC on March 26, 2015. Additional information about Noble Energy's executive officers and directors and Rosetta's executive officers and directors can be found in the above-referenced Registration Statement on Form S-4 when it becomes available.