Perma-Fix Environmental Services (PESI) investor relations material

Executive summary

• The annual meeting is scheduled for July 22, 2026, with voting on five key proposals, including director elections, auditor ratification, executive compensation, and amendments to stock plans.

• Shareholders of record as of May 28, 2026, are eligible to vote, with 21,203,552 shares outstanding.

• Proxy materials are provided electronically to reduce costs and environmental impact, with printed copies available upon request.

Voting matters and shareholder proposals

• Proposals include electing nine directors, ratifying Grant Thornton LLP as auditor, approving 2025 executive compensation (advisory), amending the 2017 Stock Option Plan, and amending the 2003 Outside Directors Stock Plan.

• Board recommends voting FOR all proposals.

• Voting procedures and requirements for approval are detailed, with specific rules for abstentions and broker non-votes.

• Shareholder proposals for the 2027 meeting must be submitted by February 10, 2027, for inclusion in proxy materials.

Board of directors and corporate governance

• The board consists of nine members with diverse backgrounds in government, industry, and academia.

• Board skills matrix highlights expertise in governance, finance, risk management, nuclear waste, and environmental studies.

• Seven of nine directors are independent under Nasdaq rules; two are executives.

• Board committees include Audit, Compensation, Governance and Nominating, Strategic Advisory, and Demand Review.

• The roles of Chairman and CEO are separated, with an Independent Lead Director.