On May 1, 2024, Bandwidth, Inc. (NASDAQ: BAND) entered into an amendment (the “Credit Agreement Amendment”) to the credit agreement (as amended, the “Credit Agreement”) among the Company, as borrower, certain subsidiaries of the Company, as guarantors, the lenders from time to time party thereto, and Bank of America, N.A., as administrative agent, swingline lender and letters of credit issuer, with BofA Securities, Inc. and Wells Fargo Securities, LLC as Joint Lead Arrangers and Joint Bookrunners. Effective as of May 1, 2024, the Credit Agreement was amended to:

•increase the aggregate revolving credit commitments from $50.0 million to $100.0 million;

•increase the swingline sublimit from $5.0 million to $10.0 million;

•increase from $75.0 million to $82.5 million the minimum liquidity (which includes the amount of undrawn borrowing commitments available under the Credit Agreement) the Company is required to maintain, tested (a) as of the end of any fiscal quarter and (b) as of each incurrence of certain actions in reliance on negative covenant baskets that are subject to a minimum liquidity condition; and

•extend the maturity date to the earlier of May 1, 2029 (previously August 1, 2028) or the date that is 91 days prior to the scheduled maturity date or mandatory conversion date of any of the Company’s outstanding convertible notes.