Additional InformationIn connection with the possible completion of D.R. Horton's proposed transaction with Forestar, it is expected that the parties would cause the filing with the SEC of a registration statement on Form S-4 that would include a proxy statement/prospectus to be distributed to Forestar stockholders. SECURITY HOLDERS ARE ADVISED TO READ THE REGISTRATION STATEMENT AND PROXY STATEMENT/PROSPECTUS IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. The registration statement, proxy statement/prospectus and other relevant documents will be available at no cost at the SEC's website at http://www.sec.gov and on D.R. Horton's website at investor.drhorton.com. Copies may also be obtained at no cost by contacting D.R. Horton's Investor Relations department by telephone at (817) 390-8200 or by email at InvestorRelations@drhorton.com. D.R. Horton and its directors and certain of its executive officers may be deemed to be participants in any solicitation in connection with the proposed transaction with Forestar. Information regarding D.R. Horton's directors and executive officers is available in D.R. Horton's proxy statement for the 2017 Annual Meeting of Stockholders, filed with the SEC on December 9, 2016. Other information regarding D.R. Horton participants in any proxy solicitation in connection with the proposed transaction and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC. As of the date hereof, the D.R. Horton participants do not own any securities of Forestar. This document shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the U.S. Securities Act of 1933, as amended.