Casella Waste Systems (CWST) Proxy filing summary

Executive summary

• Annual meeting scheduled for June 4, 2026, at 10:00 a.m. Eastern Time, to be held virtually.

• Proxy materials and 2025 Annual Report are available online for review and voting.

• Shareholders can vote online before or during the meeting, or request paper copies of materials.

Voting matters and shareholder proposals

• Election of four Class II directors to serve until the 2029 Annual Meeting.

• Advisory say-on-pay vote on executive compensation.

• Ratification of RSM US LLP as independent auditors for fiscal year ending December 31, 2026.

• Board recommends voting FOR all nominees and proposals.

Board of directors and corporate governance

• Nominees for Class II directors: Michael L. Battles, Edmond R. Coletta, Joseph G. Doody, Emily Nagle Green.