Equillium (EQ) investor relations material

Executive summary

• Annual meeting scheduled for May 28, 2026, to be held virtually for stockholders of record as of April 1, 2026.

• Proxy materials, including the Notice of Meeting, Proxy Statement, and Annual Report on Form 10-K, are available online or by request.

Voting matters and shareholder proposals

• Election of two Class II directors, Charles McDermott and Bruce D. Steel, to serve until the 2029 annual meeting.

• Proposal to approve a reverse stock split at a ratio between 1-for-2 and 1-for-20, at the Board's discretion.

• Ratification of Crowe LLP as independent registered public accounting firm for fiscal year ending December 31, 2026.

• Proposal to increase authorized common stock from 200,000,000 to 400,000,000 shares.

• Provision to conduct any other business properly brought before the meeting.

Board of directors and corporate governance

• Board recommends voting FOR both director nominees and all proposals listed.