
	September 30, 2026		December 31, 2025
OpCo Revolver	$	22,619	$	22,619
MLP Revolver	377,055		377,055
Long-term debt payable to Westlake	$	399,674	$	399,674

On July 8, 2026, OpCo entered into the Third Amendment to the OpCo Revolver and the Partnership entered into the Fifth Amendment to the MLP Revolver. These amendments extended the maturity dates of the OpCo Revolver and the MLP Revolver from July 12, 2027 to July 11, 2031 and removed the 0.10% credit spread adjustments that had previously applied to the SOFR‑based interest rates under the OpCo Revolver and the MLP Revolver.

As of September 30, 2026, outstanding borrowings under the OpCo Revolver and the MLP Revolver bore interest at the Secured Overnight Financing Rate, as administered by the Federal Reserve Bank of New York ("SOFR") plus the Applicable Margin. The Applicable Margin under the OpCo Revolver is 1.75%. The Applicable Margin under the MLP Revolver varies between 1.75% and 2.75%, depending on the Partnership's Consolidated Leverage Ratio. As of September 30, 2026, the OpCo Revolver and the MLP Revolver were scheduled to mature on July 11, 2031.

The weighted average interest rate on all long-term debt was 5.5% and 5.8% at September 30, 2026 and December 31, 2025, respectively.

As of September 30, 2026, the Partnership was in compliance with all of the covenants under the OpCo Revolver and the MLP Revolver.