Sonim Technologies, Inc. announced that On October 29, 2019, the company and Mr. Robert Plaschke agreed that Mr. Plaschke would no longer serve as the Company's Chief Executive Officer and would resign from the Company's Board of Directors (the “Board”), effective as of October 29, 2019. Mr. Plaschke indicated that his resignation was not a result of any disagreement with the Company on any matter relating to the Company's operations, policies or practices. On October 30, 2019, the Company announced the appointment of Thomas Wiley Wilkinson as the Company's Chief Executive Officer and the member of the Board, effective as of October 29, 2019.

In this role, he will also act as a principal executive officer of the Company, effective immediately. Mr. Wilkinson has served as a strategic consultant and financial advisor to small and medium-sized public and privately held businesses since January 2014. From August 2015 until October 2017, Mr. Wilkinson served as Chief Financial Officer and later as Chief Executive Officer at Xplore Technologies Corp., a rugged tablet technology company.

Prior to his service at Xplore, he served as Chief Financial Officer at Amherst Holdings, LLC, a financial services company. Mr. Wilkinson was the co-founder and Managing Partner of PMB Helin Donovan, a multi-office regional accounting firm. He currently serves on the Board of Directors of Astrotech Corporation.