<p>China Oilfield Services Limited announced that Mr. Xiao Jia has resigned as executive director and has been appointed as the employee representative director following an employee representative congress held on 10 December 2025. His appointment as employee representative director is for a term of three years. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. COSL - China Oilfield Services Limited published the original content used to generate this news brief via IIS, the Issuer Information Service operated by the Hong Kong Stock Exchange (HKex) (Ref. ID: HKEX-EPS-20251210-11950915), on December 10, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT)</p>

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<p>China Oilfield Services Limited announced the resignation of Mr. Xiao Jia as executive director and his appointment as employee representative director for a three-year term, following an employee representative congress on December 10, 2025.</p>

COSL Appoints Xiao Jia as Employee Representative Director After Executive Director Resignation