CHU KONG PETROLEUM AND NATURAL GAS STEEL PIPE HOLDINGS LIMITED 珠 江 石 油 天 然 氣 鋼 管 控 股 有 限 公 司 (incorporated in the Cayman Islands with limited liability) NOTIFICATION LETTER 通知信函 Dear Registered Shareholder, 28 April 2025 (Stock Code: 1938) Chu Kong Petroleum and Natural Gas Steel Pipe Holdings Limited (the "Company") — Notification of publication of 2024 Annual Report, Circular and Notice of AGM ("Current Corporate Communications") The English and Chinese versions of the Company's Current Corporate Communic ...