NETWORK-1 TECHNOLOGIES, INC.

For a description of our legal proceedings see Note I to our unaudited condensed consolidated financial statements included in this Quarterly Report and Item 3. Legal Proceedings of our Annual Report on Form 10-K for the year ended December 31, 2024 (filed with the SEC on February 28, 2025). During the three months ended March 31, 2025 and to date, no material events occurred with respect to our legal proceedings, except for the following: (i) on January 14, 2025, the U.S. District Court for the District of Delaware granted Ubiquiti’s partial motion for summary judgment on indirect infringement and on February 13, 2025, the Court granted the parties’ joint motion to dismiss the case against Ubiquiti (see Note I[3] to our unaudited condensed consolidated financial statements included herein) and (ii) with respect to our litigation against Citadel Securities, LLC (“Citadel”) involving certain patents within our HFT Patent Portfolio**,**on April 7, 2025, Citadel filed a motion to dismiss under 35 U.S.C. Section 101, asserting that the asserted patents are directed to patent ineligible subject matter (see Note I[1] to our unaudited condensed consolidated financial statements included herein).