ClearSign shareholders elect all four board nominees, approve equity plan and auditor at 2026 annual meeting

Proposal 2 . The approval, on an advisory basis, of the appointment of BPM CPA LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. For Against Abstentions 3,263,437 394,510 8,905 There were no broker non-votes on this proposal. The stockholders approved, on an advisory basis, the appointment of BPM CPA LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.

Proposal 3 . The approval of the amended and restated ClearSign Technologies Corporation 2021 Equity Incentive Plan (the “A&R 2021 Plan”). For Against Abstentions Broker Non-Votes 1,546,015 659,279 7,970 1,453,588 The stockholders approved the A&R 2021 Plan.

Proposal 4 . The approval, on an advisory basis, of the compensation paid to the Company’s named executive officers. For Against Abstentions Broker Non-Votes 1,826,151 379,205 7,908 1,453,588 The stockholders approved, on an advisory basis, the compensation paid to the Company’s named executive officers.

Proposal 1 . Election of Directors. Nominee Name For Against Abstentions Broker Non-Votes Louis J. Basenese 1,808,414 370,481 34,369 1,453,588 Colin James Deller 1,995,376 217,011 877 1,453,588 Anthony DiGiandomenico 1,775,452 418,786 19,026 1,453,588 G. Todd Silva 1,829,493 364,781 18,990 1,453,588 Each of the four nominees standing for re-election as a director was elected to serve on the Company’s board of directors until the election and qualification of his successor or until his earlier death, resignation, or removal.

Proposal 5 . The approval of one or more adjournments of the Annual Meeting to a later date or dates to solicit additional proxies if there are insufficient votes to approve the A&R 2021 Plan or in the absence of a quorum (the “Adjournment Proposal”). For Against Abstentions Broker Non-Votes 1,596,167 570,671 46,426 1,453,588 The stockholders approved the Adjournment Proposal.