On April 15, 2021, the Board of Directors of Sonim Technologies, Inc. upon the recommendation of the Nominating and Corporate Governance Committee of the Board, appointed Ken Naumann and Michael Mulica to serve on the Board until the company's 2021 Annual Meeting of Stockholders and until his respective successor is duly elected and qualified, or until his earlier death, resignation or removal, with such appointments effective immediately. In connection with the appointment of Ken Naumann and Michael Mulica, the Board increased the size of the Board to seven directors. The Board also appointed (i) Ken Naumann to serve as a member of the Board's Compensation Committee and N&CG Committee and (ii) Michael Mulica to serve as a member of the Board's Audit Committee and N&CG Committee, in each case, effective immediately. Each of Ken Naumann and Michael Mulica will receive compensation for his service as director in accordance with the Company's standard compensation policy for non-employee directors, except the Board has deferred consideration of any award of restricted stock units under such policy until a later date.