Exhibit 99.1 NEWS RELEASE 14 Lafayette Square, Suite 1405 ● Buffalo, New York 14203 FOR IMMEDIATE RELEASE Rand Capital Reports 12% Increase in Total Investment Income for First Quarter 2024 ● Strategy focused on expanding portfolio composition with new debt investments drives total investment income growth of 12% to $2.1 million for the first quarter of 2024 ● Investment portfolio comprised of 70% interest yielding debt instruments at quarter-end compared with 64% at the end of 2023, improving portfolio yie ...