Attached files
file | filename |
---|---|
EX-32.1 - EXHIBIT 32.1 - WESTLAKE CHEMICAL CORP | exhibit32120200630.htm |
EX-31.2 - EXHIBIT 31.2 - WESTLAKE CHEMICAL CORP | exhibit31220200630.htm |
EX-31.1 - EXHIBIT 31.1 - WESTLAKE CHEMICAL CORP | exhibit31120200630.htm |
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