Westlake Chemical Partners Lp · NYSE:WLKP

Westlake Chemical Partners Lp — Westlake — Corporate Update (December 2025)

5 slides from Westlake Chemical Partners Lp's corporate update, Dec 15, 2025

  1. Slide 1: Performance & Essential Materials Segment (PEM) Profitability Improvement Plan Update

    Performance & Essential Materials Segment (PEM) Profitability Improvement Plan Update December 15, 2025

  2. Slide 2: PEM Profitability Improvement Plan Update

    PEM Profitability Improvement Plan Update PEM profitability has been pressured by low market pricing as the result of global overcapacity in certain products, primarily the chlorovinyls chain and styrene, and an increase in low-priced Asian exports We are extending our footprint optimization to incl

  3. Slide 3: Manufacturing Footprint Optimization Update

    Manufacturing Footprint Optimization Update Following an extensive analysis we have determined that three of our North American chlorovinyls plants are no longer globally cost-competitive due to their high production and logistics cost burden to serve the low-priced export market We are also taking

  4. Slide 4: Proactive Steps to Drive Improved Performance

    Proactive Steps to Drive Improved Performance We expect to take one-time charges totaling ~$415MM in 4Q’25 consisting of a ~$357MM non- cash accelerated depreciation, amortization, and asset write-off charge; ~$25MM for employee severance and separation costs; and ~$33MM for other plant shutdown cos

  5. Slide 5: Safe Harbor Language

    Safe Harbor Language This presentation contains certain forward-looking statements including statements regarding our cost-saving objectives, the timing of the anticipated cessation of operations at certain of our production facilities, the anticipated effects of such closures on production capacity

Westlake — Corporate Update (December 2025) on 6ix