Exhibit 99.1 M-tron Industries, Inc. Reports First Quarter 2024 Results and Reminds Stakeholders of Investor Day • Revenues increased 1,818,000to11,185,000 for the three months ended March 31, 2024 from 9,367,000forthethreemonthsendedMarch31,2023•Grossmarginincreased861basispointsto42.70.33 to 0.53forthethreemonthsendedMarch31,2024from0. ...