Okeanis Eco Tankers Corp.: Mandatory notification of trade

09 Jan 2026 22:15 CET

ATHENS, GREECE, January 9, 2026 – Okeanis Eco Tankers Corp. (the “Company” or
“OET” (NYSE:ECO / OSE:OET), has been notified of the following transaction:

On January 9, 2026, Hospitality Assets Corp., a company beneficially owned by
Themistoklis Alafouzos, a person designated as a Primary Insider to the Company
and brother of the Company’s Chairman, sold 4,129 shares of the Company on OSE
at a price of NOK 383.92 per share.

Following the transaction, Themistoklis Alafouzos indirectly through Hospitality
Assets Corp. holds a total number of 6,641,934 shares in the Company,
corresponding to approximately 18.74% of the shares and votes in the Company.

A Primary Insider notification is enclosed.

Contacts
Company:
Iraklis Sbarounis, CFO
Tel: +30 210 480 4200
ir@okeanisecotankers.com

Investor Relations / Media Contact:
Nicolas Bornozis, President
Capital Link, Inc.
230 Park Avenue, Suite 1540, New York, N.Y. 10169
Tel: +1 (212) 661-7566
okeanisecotankers@capitallink.com

About OET
OET is a leading 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 Stock Exchange under the symbol OET and the New York Stock Exchange under
the symbol ECO. The sailing fleet consists of seven modern scrubber-fitted
Suezmax tankers and eight modern scrubber-fitted VLCC tankers.

This information is subject to the disclosure requirements in the Market Abuse
Regulation article 19 and section 5-12 of the Norwegian Securities Trading Act.

More information:
Access the news on Oslo Bors NewsWeb site

663427_PDMR Notification.pdf