Effective as of April 30, 2020, Mark K. Ruport was appointed as President, Chief Executive Officer and principal executive officer of Sigma Labs, Inc. Since December 3, 2019, Mr. Ruport had served as Executive Chairman. Mr. Ruport will no longer serve as Executive Chairman, but will remain a director on the Board of Directors of the Company. Effective as of April 30, 2020, as part of the leadership change, John Rice resigned from his positions as President, Chief Executive Officer, and principal executive officer of the Company.

Mr. Rice will remain a director on the Board of Directors and will continue to serve as Chairman of the Board.