SLDPW · Solid Power, Inc.

Dr. Rainer Feurer’s planned retirement marks the departure of a director who served on Solid Power’s Board for five years, representing a notable transition in corporate governance oversight. His exit is voluntary and explicitly stated to be unconnected to any disagreement regarding the Company’s operations, policies, or practices — reducing near-term concerns about internal discord or strategic misalignment. The Company’s acknowledgment of his 'valuable contributions' underscores his substantive involvement, though the filing does not disclose his committee memberships, leadership roles (e.g., chair or lead director), or specific areas of expertise (e.g., technical, financial, or ESG). As no successor is named or process described, investors may monitor upcoming disclosures for board refreshment plans, particularly given Solid Power’s status as a development-stage battery technology company where board expertise in materials science, automotive partnerships, or capital markets remains critical. Absent further detail on timing or process for replacement, the materiality is assessed as MEDIUM — consequential for governance continuity but not immediately disruptive to operations or strategy.