Exhibit 99.1 Seanergy Maritime Reports Financial Results for the First Quarter Ended March 31, 2023 and Declares Quarterly Dividend of $0.025 Per Share Highlights (in million USD, except EPS) Q1 2023 Q1 2022 Net Revenues $18.0 $29.7 Net (loss) / income $(4.2) $3.7 Adjusted net (loss) / income1 $(0.3) $7.7 EBITDA1 $8.2 $12.8 Adjusted EBITDA1 $3.9 $16.8 (Loss) / earnings per Share Basic1,2 $(0.23) $0.21 (Loss) / earnings per Share Diluted1,2 $(0.23) $0.21 Adjusted (loss) / earnings per share Basic1,2 $(0.02) ...