On December 23, 2021, Zix Corporation, terminated its credit agreement, dated February 20, 2019, with Truist Bank, successor by merger to SunTrust Bank, as administrative agent, collateral agent, issuing bank and swing line lender and certain other lenders. In connection with such termination, the Company paid approximately $216.2 million in aggregate principal, interest, fees, expenses and other amounts and obligations that were outstanding and payable under the Credit Agreement at the time of its termination, and all liens on assets of the Company and its subsidiaries guaranteeing such facility, together with such subsidiary guarantees, were released and terminated. The Company incurred no early termination penalty in connection with termination of the Credit Agreement.