TPC Group Urges Stockholders to Approve Transaction with First Reserve Corporation and SK Capital Partners

Special Meeting to Adopt Existing Merger Agreement Scheduled for December 5, 2012

Deadline for Voting by Proxy by Internet or Telephone is December 4, 2012 at 11:59 p.m. New York Time

Following the announcement made by Innospec Inc. (Nasdaq: IOSP) ("Innospec") this morning that it will not submit a definitive proposal to acquire TPC Group Inc. (Nasdaq:TPCG), TPC Group's Board of Directors urges all stockholders to take prompt action to vote FOR the adoption of the merger agreement with First Reserve Corporation and SK Capital Partners, under which stockholders will receive $45.00 per share in cash.

On November 29, 2012, Institutional Shareholder Services recommended stockholders vote FOR the proposed transaction with First Reserve and SK Capital.                                                                               

As previously announced, the special meeting of stockholders to vote on the adoption of the existing merger agreement with First Reserve and SK Capital is scheduled to occur on December 5, 2012, at the offices of Baker Botts L.L.P., 32nd Floor, One Shell Plaza, 910 Louisiana Street, Houston, Texas 77002, at 9:00 a.m. Central time. Stockholders of record as of the close of business on November 1, 2012, are entitled to vote at the special meeting. The deadline for voting by proxy by Internet or telephone is December 4, 2012 at 11:59 p.m. New York Time.

First Reserve Corporation and SK Capital have received all regulatory approvals required to consummate the transaction and, assuming stockholder approval is received, the acquisition is expected to close by no later than December 31, 2012.

Perella Weinberg Partners LP is serving as financial advisor to TPC Group, and Baker Botts L.L.P. is serving as legal counsel. Skadden, Arps, Slate, Meagher & Flom LLP is serving as legal counsel to the special committee of the TPC Group's Board of Directors.

About TPC Group

TPC 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 between TPC Group and investment funds sponsored by First Reserve Corporation and SK Capital Partners. In connection with the proposed merger, TPC Group has filed a definitive proxy statement and a supplement to the definitive proxy statement with the SEC on November 5, 2012 and November 13, 2012, respectively. Investors and security holders of TPC Group are urged to carefully read the definitive proxy statement and the supplement because they contain important information about the transaction.

The definitive proxy statement and the supplement were mailed to TPC Group's stockholders seeking their approval of the proposed merger on or about November 5, 2012 and November 14, 2012, respectively. Investors and security holders may obtain a free copy of the definitive proxy statement, the supplement 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 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 [phone]. 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 [phone] 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 is set forth in the definitive proxy statement and the supplement. 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.

Forward-Looking Statements

This communication contains forward-looking statements, which are subject to risks, uncertainties, assumptions and other factors that are difficult to predict and that could cause actual results to vary materially from those expressed in or indicated by them. Factors that could cause actual results to differ materially include, but are not limited to (1) the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement (as amended) among TPC Group and investment funds sponsored by First Reserve Corporation and SK Capital Partners; (2) the outcome of any legal proceedings that may be instituted against TPC Group and others; (3) the inability to complete the proposed merger due to the failure to satisfy the conditions to the merger, including obtaining the approval of TPC Group's stockholders and other closing conditions; (4) risks that any proposed merger disrupts current plans and operations of TPC Group; (5) potential difficulties in employee retention as a result of any proposed merger; (6) the ability to recognize the benefits of any proposed merger; (7) legislative, regulatory and economic developments; and (8) other factors described in TPC Group's filings with the SEC. Many of the factors that will determine the outcome of the subject matter of this communication are beyond the ability of TPC Group to control or predict. TPC Group can give no assurance that the conditions to the proposed merger will be satisfied. Except as required by law, TPC Group undertakes no obligation to revise or update any forward-looking statement, or to make any other forward-looking statements, whether as a result of new information, future events or otherwise. TPC Group is not responsible for updating the information contained in this communication beyond the published date, or for changes made to this communication by wire services or Internet service providers.

CONTACTS: For TPC Group
          Investor Relations
          Miguel Desdin
          Email: [e-mail]
          Phone: [phone]
          or
          Scott Winter / Larry Miller
          Innisfree M&A Incorporated
          Phone: [phone]

          Media Inquiries
          Meaghan Repko / James Golden
          Joele Frank, Wilkinson Brimmer Katcher 
          Phone: [phone]