Attached files
file | filename |
---|---|
EX-32.1 - EX-32.1 - WESTLAKE CHEMICAL CORP | exhibit321_20210331.htm |
EX-31.2 - EX-31.2 - WESTLAKE CHEMICAL CORP | exhibit312_20210331.htm |
EX-31.1 - EX-31.1 - WESTLAKE CHEMICAL CORP | exhibit311_20210331.htm |
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