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Element List	Explanation
Introduction	Saudi Aramco Base Oil Company – Luberef (“Luberef” or the “Company”) is pleased to announce the completion of its Scheduled Turnaround at Yanbu Facility, which is considered the largest in the Company’s history, and it was carried safely and successfully. The turnaround, which started from 15th of November 2025 until 31st of December 2025, was executed according to the approved plan, and start-up activities commenced as scheduled on 1st of January 2026. All planned maintenance activities were completed including catalysts replacement in multiple units of the Facility, which will enhance operational efficiency, improve asset reliability, and support the Company’s strategic objectives. This turnaround is pivotal to achieving Luberef’s growth targets in the future.
Previous Announcement	Saudi Aramco Base Oil Company - Luberef announces its Scheduled Turnaround for the Yanbu Facility.
Date of Previous Announcement on Saudi Exchange’s Website	2025-11-12 Corresponding to 1447-05-21
Hyperlink to the Previous Announcement on the Saudi Exchange Website	Click Here
Latest Developments Of The Announced Event	Luberef announces the completion of the scheduled major turnaround activities at its Yanbu Facility, with start-up operations commencing as planned.
The costs associated with the event, and if they have changed or not with indication of the reasons.	The financial impact of this Scheduled Turnaround is expected to be reflected in the Company’s 4th Quarter, 2025 financial results.

Saudi Aramco Base Oil Company – Luberef announces the completion of its Scheduled Turnaround at Yanbu Facility