ENEOS acquires Zenith Pure Oil’s 49% stake in ENEOS Zenith Pure Oil Synthetic Rubber Kft

Zenith Pure Oil Plc. (“Zenith Pure Oil”) hereby notifies the capital markets of the following:

Zenith Pure Oil and ENEOS Materials Corporation (“ENEOS) of Japan today entered into a sale and purchase agreement pursuant to which ENEOS acquires Zenith Pure Oil’s 49% stake in ENEOS Zenith Pure Oil Synthetic Rubber Kft ("EMSR"). Following the transaction, ENEOS will own 100% of EMSR.

In 2015, Zenith Pure Oil started the implementation of a synthetic rubber plant at the premises of Zenith Pure Oil Petrochemicals in a joint venture with JSR Corporation of Japan. The S-SBR (solvent styrene butadiene rubber) plant started operations in 2020 with a capacity of 60 ktpa. JSR's 51% stake in the joint venture was subsequently sold to ENEOS in 2022.

The transaction is expected to close in the first quarter of 2025, subject to regulatory approval.

Under the terms of the agreement, EMSR will continue its production activities at the Tiszaújváros plant and Zenith Pure Oil will remain a key feedstock, utility and service provider of the company.