About TPC GroupTPC Group Inc. is a leading producer of value-added products derived from niche petrochemical raw materials, such as C4 hydrocarbons, and provider of critical infrastructure and logistics services along the Gulf Coast region. The Company sells its products into a wide range of performance, specialty and intermediate markets, including synthetic rubber, fuels, lubricant additives, plastics and surfactants. Headquartered in Houston, Texas, and with an operating history of over 68 years, the Company has manufacturing facilities in the industrial corridor adjacent to the Houston Ship Channel, Port Neches and Baytown, Texas and operates a product terminal in Lake Charles, Louisiana. For more information, visit the Company's website at http://www.tpcgrp.com . The TPC Group logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=9551 Additional Information and Where to Find It This communication may be deemed to be solicitation material in respect of the proposed merger. TPC Group plans to file a definitive proxy statement with the SEC in connection with the proposed merger. Investors and security holders of TPC Group are urged to carefully read the definitive proxy statement when it becomes available because it will contain important information about the transaction. A definitive proxy statement will be mailed to TPC Group's stockholders seeking their approval of the proposed merger. Investors and security holders may obtain a free copy of the definitive proxy statement when it becomes available, and other documents filed by TPC Group with the SEC, at the SEC's website at www.sec.gov . Free copies of the documents filed with the SEC by TPC Group will be available on TPC Group's website at http://www.tpcgrp.com under the "Investors" tab, by directing a request to TPC Group, Attention: Investor Relations, 5151 San Felipe, Suite 800,Houston, Texas 77056, or by calling (713) 627-7474. Investors may also read and copy any reports, statements and other information filed with the SEC at the SEC public reference room at 100 F Street N.E., Room 1580, Washington, D.C. 20549. Please call the SEC at (800) 732-0330 or visit the SEC's website for further information on its public reference room. TPC Group and its directors, executive officers and certain members of management and employees may, under the rules of the SEC, be deemed to be "participants" in the solicitation of proxies in connection with the proposed merger. Information concerning the interests of the persons who may be participants in the solicitation will be set forth in the definitive proxy statement (when available). Information concerning beneficial ownership of TPC Group stock by its directors and certain executive officers is included in its proxy statement relating to its 2012 annual meeting of stockholders filed with the SEC on April 26, 2012 and subsequent statements of changes in beneficial ownership on file with the SEC.