Westlake Chemical Appoints Dr. Karl-Martin Schellerer as Vice President & General Manager – Vinnolit

HOUSTON, July 15, 2015 -- Westlake Chemical Corporation (NYSE:WLK) announced today that Dr. Karl-Martin Schellerer has joined Westlake Chemical as Vice President & General Manager – Vinnolit, reporting to Robert Buesinger, Senior Vice President – Vinyls. On November 1, 2015, Dr.

Westlake Chemical Partners LP (WLKP) Makes Statement on Proposed New IRS Regulations and Provides Information on Comment Process

- Believes the Original IRS Private Letter Ruling (PLR) on "Qualifying Income" For Partnerships Is Correct and Consistent with Tax Code - Believes Proposed Regulations Unfair to WLKP and Westlake Chemical Corporation's (WLK) Investors - Is Actively Participating in Meetings with Treasury and IRS