March 12 (Reuters) - Greece's largest carrier, Aegean Airlines, posted a 14% year-on-year jump in full-year profit on Thursday to 147.8 million euros ($170.7 million), as it expanded capacity and carried nearly one million more passengers, despite higher regulatory costs.

* Revenue for 2025 reached 1.86 billion euros, up 5% from2024, driven by network expansion and stronger winter demand. * The carrier said it carried 17.3 million passengers,nearly 1 million more than 2024, with available capacity up 6%year-on-year. * European regulatory emissions and the cost of sustainableaviation fuel burdened results by 43.3 million euros, but werepartly offset by lower fuel prices and a stronger euro. * Aegean's board will propose a dividend of 0.90 euros pershare * Chief Executive Dimitris Gerogiannis said early 2026demand is positive, but warned that flight suspensions due tothe Middle East conflict (4-5% of activity) and higher fuelprices are likely to weigh on Q1.

($1 = 0.8657 euros)

(Reporting by Antonis Pothitos; Editing by Kevin Liffey)