Financial Data and Key Metrics Changes - For Q1 2025, the company reported EBITDA of $288 million on net sales of $2.8 billion, with a net loss of $40 million or $0.31 per share, reflecting a decrease in net income of $214 million year-over-year [7][13][14] - The year-over-year decline in net income was primarily due to higher North American feedstock and energy costs of approximately $100 million, planned turnarounds, and unplanned outages impacting EBITDA by approximately $80 million [13][14] - The company’s cash and investments as of March 31, 2025, were $2.5 billion, with total debt at $4.6 billion [19] Business Line Data and Key Metrics Changes - The Housing and Infrastructure Products (HIP) segment produced EBITDA of $203 million on $1 billion of sales, with a 20% EBITDA margin, reflecting a $61 million decrease year-over-year due to a 2% decline in sales volumes and a 3% decline in average sales prices [17][18] - The Performance and Essential Materials (PEM) segment's EBITDA was $73 million, down from $253 million in Q1 2024, primarily due to a 59% increase in natural gas costs and a 42% increase in ethane costs, alongside a 2% decline in sales volumes [19][19] Market Data and Key Metrics Changes - The company noted that global demand remains below historical levels, with recent disruptions from tariffs impacting global growth [8] - The PVC industry saw operating rates in the low to mid 80s, with a build in inventory in anticipation of the construction season [35][36] Company Strategy and Development Direction - The company is focused on rightsizing operations for current economic realities, optimizing manufacturing footprint, and raising cost reduction targets for 2025 to $150 million to $175 million [9][10] - Capital spending forecast for 2025 has been reduced by 10% to $900 million to support cash generation [10][22] - The company aims to enhance margins, optimize its footprint, and improve cost structure and operational reliability as it navigates the current business cycle [24][27] Management's Comments on Operating Environment and Future Outlook - Management expressed that while the macroeconomic environment is uncertain, proactive steps are being taken to mitigate impacts from trade tensions and commodity price volatility [24][25] - The company expects positive sales growth for the HIP segment in 2025, despite anticipating revenue and EBITDA margins to be towards the low end of previous guidance ranges [21][22] Other Important Information - The company completed significant operational milestones, including the successful turnaround of the Petra 1 ethylene plant and new VCM tie-ins at the Geismar plant, which are expected to enhance operational reliability [10][11] - The effective tax rate for 2025 is expected to be approximately 23%, with cash interest expense around $160 million [22] Q&A Session All Questions and Answers Question: Can you remind us the typical timeline for price realization in the HIP segment? - Management indicated that the HIP market is more stable in pricing dynamics compared to the PIM segment, allowing for more price stability despite input cost changes [31] Question: How did the PVC industry perform in the first quarter? - The industry saw a build in inventory in anticipation of the construction season, with operating rates in the 80s range [35][36] Question: What is the outlook for the HIP segment's EBITDA in Q2? - Management expects a seasonal ramp-up in construction activities, which should positively impact HIP's EBITDA in the second quarter [67] Question: How much of the $80 million outage costs were planned versus unplanned? - Approximately two-thirds of the $80 million outage costs were related to planned turnarounds [74] Question: What is the company's stance on M&A opportunities? - The company remains open to acquisition opportunities and is actively assessing potential value in the current market [80][82]

EXHIBIT 99.1 WESTLAKE CORPORATION Contact—(713) 960-9111 Investors—Steve Bender Media—L. Benjamin Ederington Westlake Corporation Reports First Quarter 2025 Results HOUSTON--(BUSINESS WIRE)--Westlake Corporation (NYSE: WLK) (the "Company" or "Westlake") today announced first quarter 2025 results. SUMMARY FINANCIAL HIGHLIGHTS (in millions of dollars, except per share data and percentages) | | | Three Months | | Three Months | | Three Months | | --- | --- | --- | --- | --- | --- | --- | | | | Ended March 31, ...

Earnings Presentation 1Q 2025 1 First Quarter 2025 Highlights Operational Milestones $2.5 billion cash position provides significant optionality 1Q 2025 Financial Results $2.8B Net Sales $288M EBITDA(1) $2.5B Cash, Equivalents and Investments(2) (1) Reconciliation of EBITDA to Net Income (Loss), Income from Operations and Net Cash Provided by Operating Activities can be found on page 11 (2) Includes investments in available-for-sale securities 2 • 1Q'25 PEM EBITDA impacted by $100 million of YoY higher feed ...

In its upcoming report, Westlake Chemical (WLK) is predicted by Wall Street analysts to post quarterly earnings of $0.70 per share, reflecting a decline of 47.8% compared to the same period last year. Revenues are forecasted to be $2.92 billion, representing a year-over-year decrease of 1.9%.Over the past 30 days, the consensus EPS estimate for the quarter has been adjusted downward by 9.8% to its current level. This demonstrates the covering analysts' collective reassessment of their initial projections du ...

Group 1 - The article discusses the investment strategy of a value investor with a strong background in Chemical Engineering, emphasizing a blend of fundamental valuation and technical analysis [1] - The investor is particularly interested in companies within the technical sector that meet valuation criteria and possess growth catalysts, while also being open to analyzing opportunities outside this sector [1] - There is a focus on understanding societal adaptations to economic, societal, and environmental pressures, indicating a broader perspective on market dynamics [1] Group 2 - The analyst has disclosed a beneficial long position in the shares of WLK, indicating a personal investment interest in the company [2] - The article is presented as an opinion piece, with no compensation received for the content aside from Seeking Alpha, highlighting the independence of the analysis [2] - Seeking Alpha clarifies that past performance does not guarantee future results, and the views expressed may not represent the platform as a whole, emphasizing the need for individual assessment of investment suitability [3]

A month has gone by since the last earnings report for Westlake Chemical (WLK) . Shares have lost about 10.2% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Westlake due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at the most recent earnings report in order to get a better handle on the important drivers.How Have Estimates Been Moving Since Then?It turns ...

Westlake Corporation’s (WLK) unit Westlake Epoxy is set to unveil several new products under the EpoVIVE portfolio at the European Coatings Show (“ECS”) 2025, from March 25 to March 27, in Germany. EpoVIVE is designed to provide sustainability advantages.The new technologies introduced in EpoVIVE make its products energy efficient with a lower carbon footprint and reduced emissions. The portfolio aims to meet the demand for alternatives free of SVHC (substances of very high concern) that use circular materi ...

Product Development - Westlake Corporation's unit, Westlake Royal Building Products, has introduced the Series 800 Patio Door to its Royal Window Solutions product line, emphasizing performance and versatility for various projects and locations [1] - The Series 800 doors are designed for optimal thermal efficiency and durability, featuring Energy Star-compliant glazing options, an internal weep system, an all-welded frame and sash, and dual-seal weatherstripping, achieving a DP50 rating for standard-height doors [2] Product Features - The Series 800 doors can be customized up to 12 feet wide and 8 feet high, with options including stainless steel rollers, dual-point locking, and ADA-compliant sizes, making them suitable for coastal applications [3] Market Outlook - The company is optimistic about the Housing and Infrastructure Products segment, driven by the need to increase residential housing supply in the U.S. after over 15 years of under-building to meet population growth and housing demand [4] - Despite challenging global macroeconomic conditions, the Performance and Essential Materials segment is positioned to benefit from a potential resurgence in global industrial and manufacturing activity, with a focus on cost-cutting, customer value enhancement, plant safety, and new product commercialization for 2025 [5]

Westlake Corporation’s (WLK) unit, Westlake Royal Building Products, has introduced a new Reversible Nickel Gap/V-Groove profile to its Kleer cellular PVC trim line. This product features a tongue-and-groove joint that simplifies installation, vertically or horizontally, by creating the nickel gap on one side and the V-groove on the other, making it suitable for modern and traditional home styles.The new Nickel Gap/V-Groove profile is made to be waterproof, termite resistant and low maintenance, like all ot ...

Westlake Corporation (WLK) recently announced that Westlake Epoxy plans to launch state-of-the-art solutions for the growing composites industry. WLK, over the years, has cultivated a broad network of equipment manufacturers, formulators, automators and end users. These partnerships have fostered the development of cutting-edge product offerings, including EpoVIVE.WLK plans to launch the new products in Paris at the JEC World Show 2025, March 4 to 6. The exhibition of its innovative offerings will include p ...