Houston, Texas -- Westlake Chemical Corporation (NYSE:WLK) announced that after a distinguished career spanning 40 years, Mr. Jeff Taylor, Senior Vice President of its polyethylene business has announced his plans to retire effective June 30, 2015.

In consideration of Mr. Taylor's announced retirement, Mr. Mike Mattina, currently Vice President & General Manager, North American Pipe and North American Specialty Products businesses has been promoted and will replace Mr. Taylor as Senior Vice President - Polyethylene.

Ms. Renee Havrilla, currently General Manager of Westlake Chemical's Westech Building Products business, has been promoted to Vice President - Building Products. In this new role, she will assume overall responsibility for the North American Pipe, North American Specialty Products and Westech Building Products businesses and related operations, including all commercial and manufacturing functions.

Mr. Philippe Najm has joined Westlake Chemical after a successful career with Technip and its predecessor companies, as Vice President - Projects, Engineering and Procurement. In this newly created position, Mr. Najm will be responsible for providing strategic leadership for capital projects on an enterprise-wide basis as he coordinates all major capital projects and provides leadership for project development, engineering, construction, procurement and related services.

"We wish to thank Jeff for his years of service and many contributions to the growth and success of Westlake Chemical. During his tenure, he has helped to shape and build Westlake Chemical into the enterprise that we know today," stated Albert Chao, Westlake Chemical's President and CEO. "We are also pleased that we have been able to draw from our outstanding team with the promotions of Mike and Renee. Both bring a wealth of experience to their roles and a well-rounded view of the business. Further, the addition of Philippe with his years of engineering, procurement and construction (EPC) experience in the petrochemical industry, adds a great resource to the company as we continue to grow and expand our business."

Westlake Chemical Corporation (WLK)
Westlake Chemical Corporation is an international manufacturer and supplier of petrochemicals, polymers and building products with headquarters in Houston, Texas. The company's range of products includes: ethylene, polyethylene, styrene, propylene, caustic, VCM, PVC suspension and specialty resins and PVC building products including pipe and specialty components, windows, fence and decking.www.westlake.com.

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Media Relations - David R. Hansen - 713.960.9111
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