EXHIBIT 99.1 WESTLAKE CHEMICAL PARTNERS LP Contact—(713) 585-2900 Investors—Steve Bender Media—L. Benjamin Ederington Westlake Chemical Partners LP Announces First Quarter 2024 Results • Declared quarterly distribution of 0.4714perunit;39thconsecutivequarterlydistributionHOUSTON−−(BUSINESSWIRE)−−WestlakeChemicalPartnersLP(NYSE:WLKP)(the"Partnership")todayreportednetincomeattributabletothePartnershipinthefirstquarterof2024of14.8 million, or $0.42 per limited partner unit, whi ...