Aspen Aerogels (ASPN) investor relations material

Executive summary

• The annual meeting will be held virtually on May 13, 2026, with voting and Q&A available online.

• Key business includes director elections, auditor ratification, executive compensation approval, vote frequency on compensation, and a proposal on board declassification.

• The company streamlined operations in 2025, reduced fixed costs by $75 million, and ended the year with $159 million in cash.

• Strategic focus remains on profitable growth, capital efficiency, and expanding into new markets such as battery energy storage.

Voting matters and shareholder proposals

• Shareholders will vote on electing two directors for three-year terms, ratifying KPMG LLP as auditor, approving executive compensation, determining the frequency of say-on-pay votes, and considering future board declassification.

• The board recommends voting for all proposals and for annual say-on-pay votes.

• Shareholders of record as of March 16, 2026, are eligible to vote.

Board of directors and corporate governance

• The board consists of six members, classified into three classes, with two nominees up for election.

• The board is seeking input on declassifying the board for annual director elections.

• Committees include Audit, Compensation and Leadership Development, and Nominating, Governance and Risk, all composed of independent directors.

• The board is committed to diversity, skills assessment, and regular self-evaluation.

• A search for an additional director with investment experience is planned before the 2027 meeting.