X0206 3 2023-04-27 1 0001604665 Westlake Chemical Partners LP WLKP 0001974882 Friel Lisa A. 2801 POST OAK BLVD., STE. 600 HOUSTON TX 77056 1 0 0 0 Ms. Friel is a Director of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP. Lisa A. Friel by J. Feng POA 2023-04-28