Notes: March 15, 2021 -- IronNet Cybersecurity, Inc. (“IronNet”), an innovative leader transforming cybersecurity through Collective Defense, announced today that it has signed a definitive business combination agreement with LGL Systems Acquisition Corp. (NYSE: DFNS), a special purpose acquisition company formed to help advance domestic and international defense. The transaction will allow IronNet to accelerate its growth trajectory in the rapidly growing cybersecurity market and to capitalize on strong demand for new and more effective ways to defend against growing cyber threats. Upon close of the transaction, the combined company will be renamed “IronNet Cybersecurity, Inc.” and will be listed on the New York Stock Exchange and trade under the ticker symbol “IRNT.”