IMPORTANT INFORMATION FOR INVESTORS AND SECURITY HOLDERSThis communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval. The proposed merger transaction between SuperMedia and Dex One will be submitted to the respective stockholders of SuperMedia and Dex One. In connection with the proposed transaction, Newdex, Inc., a subsidiary of Dex One (“Newdex”), will file with the Securities and Exchange Commission (“SEC”) a registration statement on Form S-4 that will include a joint proxy statement/prospectus to be used by SuperMedia and Dex One to solicit the required approval of their stockholders and that also constitutes a prospectus of Newdex. INVESTORS AND SECURITY HOLDERS OF SUPERMEDIA AND DEX ONE ARE ADVISED TO CAREFULLY READ THE REGISTRATION STATEMENT AND JOINT PROXY STATEMENT/PROSPECTUS (INCLUDING ALL AMENDMENTS AND SUPPLEMENTS) AND OTHER RELEVANT DOCUMENTS FILED WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE TRANSACTION, THE PARTIES TO THE TRANSACTION AND THE RISKS ASSOCIATED WITH THE TRANSACTION. A definitive joint proxy statement/prospectus will be sent to security holders of SuperMedia and Dex One seeking their approval of the proposed transaction. Investors and security holders may obtain a free copy of the joint proxy statement/prospectus (when available) and other relevant documents filed by SuperMedia and Dex One with the SEC from the SEC’s website at www.sec.gov. Copies of the documents filed by SuperMedia with the SEC will be available free of charge on SuperMedia’s website at www.supermedia.com under the tab “Investors” or by contacting SuperMedia’s Investor Relations Department at (877) 343-3272. Copies of the documents filed by Dex One with the SEC will be available free of charge on Dex One’s website at www.dexone.com under the tab “Investors” or by contacting Dex One’s Investor Relations Department at (800) 497-6329. SuperMedia and Dex One and their respective directors, executive officers and certain other members of management may be deemed to be participants in the solicitation of proxies from their respective security holders with respect to the transaction. Information about these persons is set forth in SuperMedia’s proxy statement relating to its 2012 Annual Meeting of Shareholders and Dex One’s proxy statement relating to its 2012 Annual Meeting of Stockholders, as filed with the SEC on April 11, 2012 and March 22, 2012, respectively, and subsequent statements of changes in beneficial ownership on file with the SEC. These documents can be obtained free of charge from the sources described above. Security holders and investors may obtain additional information regarding the interests of such persons, which may be different than those of the respective companies’ security holders generally, by reading the joint proxy statement/prospectus and other relevant documents regarding the transaction (when available), which will be filed with the SEC.