Moody’s affirms COSL at A3, upgrades outlook to positive

• Moody’s affirmed COSL’s A3 issuer rating, maintained its baa3 baseline credit assessment.
• Outlook revised to positive from stable.
• A3 rating also affirmed on the guaranteed senior unsecured Euro Medium Term Note programme issued via COSL Singapore Capital.

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 on September 17, 2026, and is solely responsible for the information contained therein.