Exhibit 99.1 For immediate release May 20, 2024 Star Equity Holdings, Inc. Announces 2024 First Quarter Financial Results Ended the first quarter with cash and cash equivalents of $14.7 million Well positioned to expand existing businesses organically and through acquisitions Timber Technologies acquisition marks a significant step forward in growth strategy Old Greenwich, CT. - Star Equity Holdings, Inc. (Nasdaq: STRR; STRRP) (“Star” or the “Company”), a diversified holding company, reported today its fina ...