ATHENS, GREECE, May 25, 2022 - Okeanis Eco Tankers Corp. (the "Company" or
"OET") (Oslo Børs: OET) today announced the closing on its first senior secured,
sustainability-linked loan (the "SLL") from National Bank of Greece ("NBG") with
an aggregate amount of $125.7 million. The proceeds will be used to a) refinance
existing indebtedness under VLCC vessels Nissos Kythnos and Nissos Donoussa, and
for b) general corporate purposes. Net proceeds following debt repayment and
transaction costs stand at ~$29 million for OET. The SLL includes customary
environmental clauses and sustainability targets for the Company, that are
linked to pricing, is repaid quarterly, matures in 7 years, amortizes over a
21-year profile, and is priced in line with the Company's other loan facilities.
The execution of the SLL marks a significant milestone for the Company, aligns
with its young, eco fleet and commitment towards sustainable growth. 

Contact:
Konstantinos Oikonomopoulos, CFO
Tel: +30 210 480 4099
Email: kgo@okeanisecotankers.com

About OET
OET is an international tanker company providing seaborne transportation of
crude oil and refined products. 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, seven modern scrubber-fitted VLCC tankers,
while the newbuilding fleet consists of one VLCC tanker. 

Forward-Looking Statements
Matters discussed in this release may contain certain forward-looking statements
relating to the business, financial performance and results of the Company
and/or the industry in which it operates, sometimes identified by the words
"believes", "expects", "intends", "anticipates", "forecast" and similar
expressions. The forward-looking statements contained in this release, including
assumptions, opinions and views of the Company or cited from third-party
sources, are solely opinions and forecasts that are subject to risks,
uncertainties and other factors that may cause actual events to differ
materially from any anticipated development. The Company does not provide any
assurance that the assumptions underlying such forward-looking statements are
free from errors, nor does the Company accept any responsibility for the future
accuracy of the opinions expressed in the presentation or the actual occurrence
of the forecast developments. No obligations are assumed to update any
forward-looking statements or to conform to these forward-looking statements to
actual results.

The information, opinions and forward-looking statements contained in this
announcement speak only as at its date and are subject to change without notice.

This information is subject to the disclosure requirements pursuant to Section
5-12 the Norwegian Securities Trading Act.