ClearSign Technologies Corporation announced changes to its Board of Directors. On February 13, 2020, as he intended when he first agreed to serve on the Board, James M. Simmons resigned as a director of the Company to re-focus his resources on his other obligations. Mr. Simmons’ resignation was not due to a disagreement on any matter relating to the Company’s operations, policies or practices. On the same date, the Company’s Board of Directors appointed Colin James Deller, the Company’s Chief Executive Officer, as a director.