Solid Power (SLDP) Proxy filing summary

Executive summary

• Annual Meeting scheduled for May 20, 2026, to be held virtually at 10:00 AM Mountain time.

• Proxy materials, including the 2025 Annual Report and 2026 Proxy Statement, are available online for review.

• Stockholders can vote electronically before or during the meeting using a control number.

Voting matters and shareholder proposals

• Election of three Class II directors to the Board is up for vote.

• Ratification of Deloitte & Touche as independent auditor for fiscal year ending December 31, 2026.

• Advisory vote on executive compensation for named executive officers.

• Board recommends voting "FOR" all proposals.

Board of directors and corporate governance

• Three Class II director positions are subject to election at the meeting.