Okeanis Eco Tankers Corp. (the “Company”) announces that it has purchased 150,149 of its own shares for an aggregate consideration of $1,010,155 at an average price of NOK 61.00 per share.

Following this transaction, the Company owns 150,149 of its own shares. The purchased shares will be held as treasury stock.

Contact:

John Papaioannou, CFO

Tel: +30 210 480 4099

Email: jvp@okeanisecotankers.com

ABOUT OKEANIS ECO TANKERS CORP.

Okeanis Eco Tankers Corp. is a pure play eco and scrubber-fitted tanker company that owns and operates a fleet of 15 modern, high-specification crude oil and products tankers in the VLCC, Suezmax and Aframax/LR2 segments.

This information is subject to disclosure requirements pursuant to Section 4-4 of the Norwegian Securities Trading Act.