Exhibit 99.1 8226 Philips Highway, Suite 101 Investor Relations Contact: Jacksonville, FL 32256 USA investorrelations@redwirespace.com Redwire Corporation Reports Fourth Quarter and Full Year 2023 Financial Results Revenues for full year 2023 increased 51.9% to $243.8 million Net Loss for full year 2023 improved by $103.4 million to $(27.3) million Adjusted EBITDA1 for full year 2023 increased by $26.3 million to $15.3 million Net cash provided by (used in) operating activities for the fourth quarter of 202 ...