1 Main Capital Management, LLC and Affiliates File Schedule 13G for Sonim Technologies, Inc.

1 Main Capital Management, LLC, along with Yaron Naymark, 1 Main Capital Partners, L.P., and 1 Main Capital GP, LLC, have filed a Schedule 13G with the SEC, disclosing their collective beneficial ownership of 908,410 shares of Common Stock in Sonim Technologies, Inc. This represents approximately 5.1% of the outstanding shares. The filing, made under Rule 13d-1(c), indicates that the shares are held through private investment vehicles managed by 1 Main Capital Management, LLC. The Reporting Persons have disclaimed beneficial ownership of any shares beyond those directly held by them. The filing was signed by Yaron Naymark as the Authorized Signatory for each entity.