![GRAPHIC](https://capedge.com/proxy/425/0001104659-15-084423/g248959bg01i001.gif)
| Disclaimer By entering this website you acknowledge and agree that you have read the disclaimers set forth below. No Offer or Solicitation The materials on this website are not intended to be and shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote of approval, 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 offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended. Important Information About the Transaction and Where to Find It In connection with the proposed transaction, The Dow Chemical Company (“Dow”) and E. I. du Pont de Nemours and Company (“DuPont”) will cause Diamond-Orion HoldCo, Inc. (“HoldCo”) to file with the Securities and Exchange Commission (“SEC”) a registration statement on Form S-4 that will include a joint proxy statement of Dow and DuPont and that also will constitute a prospectus of HoldCo. Dow, DuPont and HoldCo may also file other documents with the SEC regarding the proposed transaction. This document is not a substitute for the joint proxy statement/prospectus or registration statement or any other document which Dow, DuPont or HoldCo may file with the SEC. INVESTORS AND SECURITY HOLDERS OF DOW AND DUPONT ARE URGED TO READ THE REGISTRATION STATEMENT, THE JOINT PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND RELATED MATTERS. Investors and security holders may obtain free copies of the registration statement and the joint proxy statement/prospectus (when available) and other documents filed with the SEC by Dow, DuPont and HoldCo through the web site maintained by the SEC at www.sec.gov. In addition, investors and security holders will be able to obtain free copies of the documents filed with the SEC by Dow and HoldCo by contacting Dow Investor Relations at 1-800-422-8193 (U.S.A. and Canada) or 1-989-636-1463 (World), and will be able to obtain free copies of the documents filed with the SEC by DuPont and HoldCo by contacting DuPont Investor Relations at 1-302-774-3034. Participants in the Solicitation Dow, DuPont, HoldCo and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding Dow’s directors and executive officers, including a description of their direct interests, by security holdings or otherwise, is contained in Dow’s Form 10-K for the year ended December 31, 2014 and its proxy statement filed on March 27, 2015, which are filed with the SEC. Information regarding DuPont’s directors and executive officers, including a description of their direct interests, by security holdings or otherwise, is contained in DuPont’s Form 10-K for the year ended December 31, 2014 and its proxy statement filed on March 23, 2015, which are filed with the SEC. A more complete description will be available in the registration statement on Form S-4 and the joint proxy statement/prospectus. Cautionary Notes on Forward Looking Statements This communication contains “forward-looking statements” within the meaning of the federal securities laws, including Section 27A of the Securities Act of 1933, as amended, and Section 21 E of the Securities Exchange Act of 1934, as amended. In this context, forward-looking statements often address expected future business and financial performance and financial condition, and often contain words such as “expect,” “anticipate,” “intend,” “plan,” “believe,” “seek,” “see,” “will,” “would,” “target,” similar expressions, and variations or negatives of these words. Forward-looking statements by their nature address matters that are, to different degrees, uncertain, such as statements about the consummation of the proposed transaction and the anticipated benefits thereof. These and other forward-looking statements, including the failure to consummate the proposed transaction or to make or take any filing or other action required to consummate such transaction on a timely matter or at all, are not guarantees of future results and are subject to risks, uncertainties and assumptions that could cause actual results to differ materially from those expressed in any forward-looking statements. Important risk factors that may cause such a difference include, but are not limited to, (i) the completion of the proposed transaction on anticipated terms and timing, including obtaining shareholder and regulatory approvals, anticipated tax treatment, unforeseen liabilities, future capital expenditures, revenues, expenses, earnings, synergies, economic performance, indebtedness, financial condition, losses, future prospects, business and management strategies for the management, expansion and growth of the new combined company’s operations and other conditions to the completion of the merger, (ii) the ability of Dow and DuPont to integrate the business successfully and to achieve anticipated synergies, risks and costs and pursuit and/or implementation of the potential separation, including timing anticipated, any changes to the configuration of businesses included in the potential separation if implemented, (iii) potential litigation relating to the proposed transaction that could be instituted against Dow, DuPont or their respective directors, (iv) the risk that disruptions from the proposed transaction will harm Dow’s or DuPont’s business, |