NOTE 5 —Leases

The Company adopted ASU 2016-02 on January 1, 2022. The Company elected to use “the effective date” method where the comparative reporting periods is unchanged from legacy US GAAP. The Company elected the package of practical expedients to not reassess the classifications of existing leases and to not reassess if initial direct costs qualify for capitalization. All of the Company’s leases are for office space. The Company has elected the practical expedient to not separate lease components from nonlease components for all leases. The Company elected the practical expedient for short-term leases for leases that have terms of one year or less. ROU assets and lease liabilities were not established for these short-term leases and rent payments are recorded as rent expense.

SONIM TECHNOLOGIES, INC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(In thousands of U.S. dollars, except share and per share amounts or as otherwise disclosed)

On January 1, 2022 the Company began recording all lease payments as the payment of lease interest expense and a reduction of the lease liability for the leases that are not short-term. ROU assets are amortized over the life of the Company’s lease. The following table shows the activity of the ROU assets and lease liability for the three months ending on March 31, 2023 and 2022:

 Summary of Activity of ROU Assets and Liability

Future minimum lease payments under noncancelable operating lease commitments are as follows as of March 31, 2023:

 Schedule of Future Minimum Lease Payments under Noncancelable Operating Lease Commitments

In connection with leases, for the three months ended March 31, 2023 and 2022, the Company recognized $63 and $144 for the amortization of ROU assets, zero and $39 for interest expense on lease liabilities, and $11 and $37 of rent expense was included in Cost of Revenues. Variable lease payments, including reimbursements to the landlord for property taxes and operating expenses, of approximately zero and $24 and short-term rent payments of zero and $3 were included in rent expense for the three months ended March 31, 2023 and 2022. The Company does not have any lease extension or termination options on any lease that it expects to execute. There are no residual value guarantees in any lease. The weighted average remaining lease term of the operating leases is approximately 1 year.

SONIM TECHNOLOGIES, INC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(In thousands of U.S. dollars, except share and per share amounts or as otherwise disclosed)