2Q 2023 Earnings Presentation 2 Westlake Second Quarter 2023 Highlights ▪ Net sales of 3.3billion,netincomeof297 million and EBITDA(1) of 690million▪ElevatedlevelofunplannedoutagesimpactedoperatingincomeandEBITDAby 50 million ▪ Performance and Essential Materials second quarter sales of 2.1billionwithEBITDA(2)of435 million ▪ Housing and Infrastructure Products second quarter sales of 1.1billionwithEBITDA(3)of244 million ▪ Raising 2023 cost savings target to 75−105 mi ...