Ecovyst (ECVT) AGM 2026 summary

Opening remarks and agenda

• Meeting called to order with chair and secretary roles established; independent auditor present.

• Notice of meeting, proxy materials, and annual report were mailed to all stockholders of record.

• Quorum confirmed with majority of voting stockholders present in person or by proxy.

Shareholder proposals

• Three proposals presented: election of Class 1 directors, advisory vote on executive compensation, and ratification of independent auditor.

• No additional nominations or proposals were submitted by stockholders.

Overview of voting outcomes

• All Class 1 director nominees were elected for a one-year term.

• Advisory vote on executive compensation was approved.

• Appointment of PricewaterhouseCoopers LLP as independent auditor for fiscal 2026 was ratified.

• Voting results will be reported in a Form 8-K filing with the SEC.