Solid Power (SLDP) Proxy Filing summary

Executive summary

• The annual meeting will be held virtually on May 21, 2025, with voting on key proposals including director elections, auditor ratification, and executive compensation approval.

• Stockholders of record as of March 24, 2025, are eligible to vote on the proposals.

• The board encourages all stockholders to participate and provides multiple voting methods, including online and mail.

Voting matters and shareholder proposals

• Four Class I directors are nominated for election, each to serve until the 2028 annual meeting.

• Ratification of Deloitte & Touche LLP as the new independent registered public accounting firm for fiscal year 2025 is proposed.

• Advisory approval of named executive officer compensation is up for a non-binding vote.

• The board recommends voting in favor of all proposals.

Board of directors and corporate governance

• The board is classified into three staggered classes, with annual elections for one class.

• The board consists of a majority of independent directors, with diversity in experience, gender, and ethnicity considered in nominations.

• Three standing committees: audit, governance and corporate responsibility, and human resources and compensation, each with defined responsibilities and independent members.

• Annual board and committee self-evaluations and director education are conducted.

• Directors are encouraged to attend annual meetings; all attended in 2024.