Exhibit 99.1 Seanergy Maritime Reports Financial Results for the Third Quarter and Nine Months Ended September 30, 2023 and Declares Dividend of $0.025 Per Share Highlights (in million USD, except EPS) Q3 2023 Q3 2022 9M 2023 9M 2022 Net Revenues $24.5 $34.0 $70.8 $96.5 Net (loss) / income ($5.0) $7.1 ($8.5) $16.7 Adjusted net (loss) / income1 ($2.6) $7.6 $0.5 $22.4 EBITDA1 $7.1 $18.6 $27.9 $47.6 Adjusted EBITDA1 $9.5 $19.0 $29.1 $53.3 (Loss) / earnings per share Basic1,2 ($0.28) $0.41 ($0.48) $0.96 (Loss) ...