<SEC-DOCUMENT>0001193125-15-115542-index.html : 20150401 <SEC-HEADER>0001193125-15-115542.hdr.sgml : 20150401 <ACCEPTANCE-DATETIME>20150401120035 ACCESSION NUMBER: 0001193125-15-115542 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20150515 FILED AS OF DATE: 20150401 DATE AS OF CHANGE: 20150401 EFFECTIVENESS DATE: 20150401 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CHEMICAL CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] IRS NUMBER: 760346924 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 15742003 BUSINESS ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 BUSINESS PHONE: 713-960-9111 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>d890711ddef14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: d890711ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g890711dsp_002a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g890711dsp_002a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g890711g29i92.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g890711g29i92.jpg
</DOCUMENT> </SEC-DOCUMENT>