Solid Power (SLDP) Proxy filing summary

Executive summary

• The 2026 Annual Meeting will be held virtually on May 20, 2026, with stockholders able to vote online or by mail as of the March 23, 2026 record date.

• Key proposals include electing three Class II directors, ratifying Deloitte & Touche LLP as auditor, and an advisory vote on executive compensation.

• The Board recommends voting in favor of all proposals and emphasizes the importance of stockholder participation.

Voting matters and shareholder proposals

• Stockholders will vote on electing three Class II directors, ratifying Deloitte & Touche LLP as auditor for 2026, and approving executive compensation on a non-binding basis.

• The Board unanimously recommends voting for all director nominees and proposals.

• Voting standards: directors elected by plurality, auditor and compensation proposals by majority of votes cast.

Board of directors and corporate governance

• The Board is divided into three classes with staggered three-year terms, making rapid changes in board composition difficult.

• Board committees include Audit, Governance and Corporate Responsibility, and Human Resources and Compensation, all composed of independent directors.

• The Chairperson and CEO roles are separated; the Board has a majority of independent directors.

• Director nominations consider ethics, experience, diversity, and stockholder recommendations.

• Annual self-evaluations and director education are conducted to ensure effective governance.

• A code of conduct, governance guidelines, and insider trading policy are in place.