TENB: Material agreement · New financial obligation · Company disclosure

Item 1.01 Entry into a Material Definitive Agreement. On October 13, 2026 (the “Effective Date”), Tenable Holdings, Inc. (the “Company”) entered into a credit agreement (the “Credit Agreement”) by and among the Company, as borrower, JPMorgan Chase Bank, N.A., as administrative agent (in such capacity, the “Administrative Agent”), collateral agent and L/C issuer, and the lenders from time to time party thereto (the “Lenders”). The Credit Agreement provides for a senior secured revolving credit facility in an aggregate principal amount of $400.0 million, including a $40.0 million sublimit for the issuance of letters of credit. The Credit Agreement provides that the Company has the right at any time and from time to time to incur one or more incremental revolving commitments and/or incremental term loans up to an unlimited amount, subject to certain customary conditions precedent and other requirements. The Lenders are not obligated to provide any such incremental loans or commitments. The proceeds of the loans under the Credit Agreement may be used for working capital and general corporate purposes. As of the Effective Date, the Company had no outstanding revolving loans and approximately $200,000 of outstanding letters of credit under the Credit Agreement. Revolving loans under the Credit Agreement may be borrowed, repaid and reborrowed, without premium or penalty (subject to customary breakage costs), until their maturity date under the Credit Agreement (the “Maturity Date”), at which time all amounts borrowed must be repaid. Revolving loans under the Credit Agreement will mature on the fifth anniversary of the Effective Date, except that if the outstanding principal amount of any Springing Maturity Debt (as defined in the Credit Agreement) exceeds the greater of $167.0