Bridgeline Digital, Inc.

and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the

and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, nor is it subject to the liabilities of that section or deemed incorporated by r

Financial Statements and Exhibits. (d) Exhibits Exhibit No. Exhibit Description 99.1 Earnings Press Release dated December 18, 2025 99.2 Investor Presentation d