ATHENS, GREECE, November 22, 2022 – Okeanis Eco Tankers Corp. (the “Company” or “OET”) (Oslo Børs: OET), will pay a cash distribution (the “Distribution”) to shareholders through a write-down of paid-in capital.

Key information for the Distribution can be found below:

• Distribution amount: USD 10.0 million
• Distribution amount per share: approx. USD 0.30 per share
• Declared currency: USD. Payment to shares registered with Euronext VPS will be distributed in NOK.
• Date of Board resolution: 9 November 2022
• Ex-date: 5 December 2022
• Record date: 6 December 2022
• Payment date: 9 December 2022

This information is published in accordance with the requirements of the Continuing Obligations and is subject to the disclosure requirements pursuant to Section 5-12 of the Norwegian Securities Trading Act.

Konstantinos Oikonomopoulos, CFO
Tel: +30 210 480 4099

About OET
Okeanis Eco Tankers Corp. is a leading international tanker company providing seaborne transportation of crude oil. The Company was incorporated on April 30, 2018 under the laws of the Republic of the Marshall Islands and is listed on Oslo Børs under the symbol OET. The sailing fleet consists of six modern scrubber-fitted Suezmax tankers and eight modern scrubber-fitted VLCC tankers.