--First quarter 2010 highlights - Earnings significantly improved from year ago quarter and last quarter results. - Net sales increased 59% versus first quarter 2009 and 24% versus the previous quarter. - Olefins margins improved primarily due to increased domestic demand.

Houston, Texas, April 26, 2010 - Westlake Chemical Corporation (NYSE:WLK) has recently notified 28 sons and daughters of employees throughout the company that they are recipients of a Westlake Scholarship beginning the fall term of 2010. This annual award of scholarships continues Westlake’s

HOUSTON, April 20, 2010 /PRNewswire via COMTEX/ --Westlake Chemical Corporation (NYSE: WLK) will release its 2010 first quarter earnings prior to the market opening on Tuesday, May 4, 2010. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m.

HOUSTON, April 5, 2010 /PRNewswire via COMTEX/ --Westlake Chemical Corporation (NYSE: WLK) today announced that Mr. Wayne D. Morse, Sr. Vice President and head of the company's Vinyls segment, has elected to retire effective the end of April after a long and distinguished career. Mr.

HOUSTON, March 1, 2010 /PRNewswire via COMTEX/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared on Friday a dividend of 5.75 cents per share, payable on March 31, 2010, to stockholders of record on March 17, 2010. This is the 22nd successive quarterly dividend that

--Full-year 2009 results highlighted by: - Improved earnings driven by higher margins and strong demand in the Olefins segment - Generated cash from operating activities of $236 million - Ended the year with total cash balances of $347 million HOUSTON, Feb 23, 2010 /PRNewswire via COMTEX/ --

HOUSTON, Feb 09, 2010 /PRNewswire via COMTEX/ -- Westlake Chemical Corporation (NYSE: WLK) will release its 2009 fourth quarter earnings prior to the market opening on Tuesday, February 23, 2010. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m.

HOUSTON , Jan. 18 - Westlake Chemical Corporation has made a donation of $10,000 to the American Red Cross to aid the victims of the devastating earthquake in Haiti and encouraging our customers and employees to also donate and help the Haiti relief effort in any way they can.

HOUSTON , Nov. 23 /PRNewswire-FirstCall/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared on Friday a dividend of 5.75 cents per share, payable on December 17, 2009 , to stockholders of record on December 3, 2009 . This is the 21st successive quarterly dividend that

HOUSTON , Nov. 3 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) today reported net income of $29.8 million , or $0.45 per diluted share, on net sales of $632.6 million for the third quarter of 2009. Third quarter 2009 net income increased $12.9 million from the $16.9 million