8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): June 26, 2006

WESTLAKE CHEMICAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	001-32260	76-0346924
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

2801 Post Oak Boulevard, Suite 600
Houston, Texas	77056
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (713) 960-9111

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

(d)

On June 23, 2006, the Board of Directors of Westlake Chemical Corporation (the “Company”) held a special meeting at which the board decided unanimously to increase the size of the board from six to seven members and to elect E. William (Bill) Barnett as a member of the board, to serve as a Class III director with a term to expire at the Company’s annual meeting of stockholders in 2007.

See the Company’s press release dated June 26, 2006, attached to this Form 8-K as Exhibit 99.1.

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Item 9.01 Financial Statements and Exhibits

(d) Exhibits

99.1 Press release dated June 26, 2006.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

WESTLAKE CHEMICAL CORPORATION
By:	/s/ Albert Chao
	Albert Chao
	President and Chief Executive Officer

Date: June 27, 2006

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EX-99.1

EXHIBIT 99.1

Westlake Chemical Corporation

Press Release

For Immediate Release

Contact:	D. R. Hansen – Media Relations
	Steve Bender – Investors Relation
	(both at 713-960-9111)

Westlake Chemical Elects Bill Barnett to Board

Houston, Texas – June 26, 2006 – PRNewswire/ Westlake Chemical Corporation (NYSE:WLK) today announced that E. William (Bill) Barnett, 73, has been elected to the company’s board of directors.

For over four decades Mr. Barnett was an attorney specializing in commercial and antitrust law with Baker Botts L.L.P, from which he retired in 2004. He served as Managing Partner of the law firm during the years 1984 to 1988. Barnett has extensive public company and community-based board experience. He is currently Lead Director, Reliant Energy, Inc., and Director, Enterprise Products, G.P. Additionally, he has recently retired as Chairman of the Board of Trustees of Rice University and currently is a director of the Greater Houston Partnership, the Houston Zoo, Inc., the Center for Houston’s Future and St. Luke’s Episcopal Health Systems.

“We are delighted that a director of Bill’s caliber has agreed to join our board. His extensive experience and success as managing partner of one of the leading law firms in the country and his vast experience as a director and community leader will bring a unique and important perspective to our board”, stated James Chao, Chairman of Westlake Chemical Corporation.

Mr. Barnett holds a B.A. from Rice University and an LL.B. from the University of Texas – Austin.

Westlake Chemical Corporation is a manufacturer and supplier of petrochemicals, polymers and fabricated products with headquarters in Houston, Texas. The company’s range of products includes ethylene, polyethylene, styrene, caustic, VCM, PVC and PVC pipe, windows, decking and fence components. For more information visit the company’s web page at www.westlakechemical.com.

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