China Oilfield Services to host online investor Q&A

China Oilfield Services Limited (COSL) announced its participation in the "2025 Tianjin Listed Company Investor Online Reception Day" event. This initiative aims to strengthen interaction and communication with investors. The event is guided by the Tianjin Securities Regulatory Bureau and jointly organized by the Tianjin Association of Listed Companies and Shenzhen Panorama Network Co., Ltd.

The online reception will take place on Thursday, September 11, 2025, from 3:00 PM to 5:00 PM. Investors can access the event through the "Panorama Roadshow" website (http://rs.p5w.net), by following the "Panorama Finance" WeChat official account, or by downloading the "Panorama Roadshow" APP.

During the event, COSL will address investor concerns regarding its 2025 semi-annual performance, corporate governance, development strategies, and operational status. The company encourages all investors to actively participate in the interactive exchange.