HOUSTON (Friday, May 5, 2006) -- TPC Group, Inc., (the "Company")(OTC: TXPI.PK - News) announced today it will release its fiscal third quarter 2006 financial results after the market closes on Monday, May 15, 2006. In conjunction with the release, the Company has scheduled a conference call that will be broadcast live over the Internet at 3:00 p.m. Eastern Time (2:00 p.m. Central) on Tuesday, May 16, 2006.

What:
TPC Group Fiscal Third Quarter Earnings Conference Call

When:
Tuesday, May 16, 2006 - 3:00 p.m. Eastern Time

How:
Live via phone -- Dial (303) 262-2142 at least 10 minutes prior to the start time and ask for the TPC Group call
Live over the Internet -- Log on to the web at the address below.

Where:
www.txpetrochem.com. The webcast can be accessed from the investor relations' home page

For those unable to listen to the live call, a replay will be available through May 23, 2006 by calling (303) 590-3000 using pass code 11060183. Also, an archive of the webcast will be available shortly after the call on the company's website at www.txpetrochem.com for approximately 90 days.

The Company is general partner of TPC Group LP. Headquartered in Houston, TX, TPC Group LP, is a premier chemical company with over $1 billion in annual sales. The Company provides quality C4 chemical products and services to both local and global industry companies. The Company has manufacturing facilities in the industrial corridor adjacent to the Houston Ship Channel and operates product terminals in Baytown, Texas and Lake Charles, Louisiana. For more information, visit the Company's Web site at www.txpetrochem.com.

Cautionary Information Regarding Forward-Looking Statements

Certain oral and written information that the Company may make publicly available from time to time may constitute forward-looking statements. Such statements may relate to future operating results, existing and expected competition, financing and refinancing sources and availability, and plans related to acquisitions or other future expansion activities and capital expenditures. Forward-looking statements involve a number of risks and uncertainties that may significantly affect the Company's liquidity and results in the future and, accordingly, actual results may differ materially from those expressed in any forward-looking statements. Such risks and uncertainties include, but are not limited to, those related to effects of competition, leverage and debt service, financing and refinancing efforts, litigation and governmental investigations, environmental laws and regulations, general economic conditions and changes in laws or regulations.

Contacts:
Ruth Dreessen
ruth.dreessen@txpetrochem.com
713-627-7474

McCall Keyser
mccall.keyser@txpetrochem.com
713-627-7474