Quick Answer
Westlake Chemical Partners LP reported Operating Income of $319.58 million for fiscal year 2025.
Westlake Chemical Partners LP Operating Income — Annual History
| Fiscal Year | Operating Income | YoY Change |
|---|---|---|
| 2025 | $319.58M | -18.2% |
| 2024 | $390.44M | +9.2% |
| 2023 | $357.71M | +2.9% |
| 2022 | $347.69M | -15.3% |
| 2021 | $410.69M | +16.3% |
| 2020 | $352.99M | +0.8% |
| 2019 | $350.15M | +0.2% |
| 2018 | $349.57M | -6.6% |
| 2017 | $374.41M | +2.2% |
| 2016 | $366.44M | +2.0% |
| 2015 | $359.33M | -49.9% |
| 2014 | $716.56M | — |
Quarterly Operating Income
| Quarter Ending | Operating Income | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $91.98M | -16.1% | +0.8% |
| June 30, 2025 | $91.23M | -2.6% | +95.7% |
| March 31, 2025 | $46.61M | -51.0% | -57.5% |
| September 30, 2024 | $109.69M | +27.2% | +17.2% |
| June 30, 2024 | $93.63M | +16.3% | -1.6% |
| March 31, 2024 | $95.10M | -3.1% | +10.3% |
| September 30, 2023 | $86.24M | +5.4% | +7.1% |
| June 30, 2023 | $80.49M | -7.9% | -18.0% |
- Westlake Chemical Partners LP showed a decrease of -18.2% in Operating Income compared to the prior fiscal year.
- Over the 2014–2025 period, Westlake Chemical Partners LP’s operating income has declined by 55.4% (from $716.56 million to $319.58 million).
- The most recent figure is from Westlake Chemical Partners LP’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 4, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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