In accordance with our internal company arrangements, a total volume of 5,000 metric tons of Group II‑2 (60N) base oil is planned for sale. The details of this sales opportunity have been published on our website: http://sinolubesg.sinopec.com/sinolubesg/announcements/.

The public notice period is from 20 August 2026 to 23 August 2026. Relevant parties are welcome to submit objections or suggestions within the notice period. Should no objection be received upon expiry of the notice period, follow‑up sales activities will be proceeded in accordance with internal procedures.

Hereby given for information.

Contact Person: Yan Jiahui

E‑mail: yanjh.lube@sinopec.com

Sinopec Lubricant (Singapore) Pte. Ltd.

20 August 2026