Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

中國中鐵股份有限公司 GROUP LIMITED (A joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 390)

This overseas regulatory announcement is made pursuant to Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

Please refer to the attached “Announcement of China Railway Group Limited on Winning of Bids for Material Projects” published by China Railway Group Limited on the Shanghai Stock Exchange website on 14 May 2018 for your information.

By Order of the Board China Railway Group Limited LI Changjin Chairman

14 May 2018

As at the date of this announcement, the executive directors of the Company are LI Changjin (Chairman), ZHANG Zongyan, ZHOU Mengbo and ZHANG Xian; the independent nonexecutive directors are GUO Peizhang, WEN Baoman, ZHENG Qingzhi and CHUNG Shui Ming Timpson; and the non-executive director is MA Zonglin. A Shares Stock Name: China Railway A Shares Stock Code: 601390 Announcement No.: H Shares Stock Name: China Railway H Shares Stock Code: 00390 Lin 2018-029

Announcement of China Railway Group Limited on Winning of Bids for Material Projects

The board of directors of China Railway Group Limited (the “Company”) and all the directors hereby undertake that this announcement does not have any false or misleading statements or any material omissions, and assume the joint and several liability for the truthfulness, accuracy and completeness of the contents.

The Company has won the bids for the following material projects: Currency: RMB Bid Contractual Serial Company Winning Amount Bidding Projects Project No. the Bid (RMB Duration 10,000) Railway Projects China Railway No.4 Engineering Group EPC contract of Sections YTZQ-1 and 956-1,092 Co., Ltd., China 1 YTZQ-4 of before-station construction project 314,355 calendar Railway Beijing of the new Yancheng-Nantong Railway Engineering Group days Co., Ltd. China Railway No.9 EPC contract of Section JXSG-7 of EPC 2 Engineering Group contract of before-station construction project 118,834 24 months Co., Ltd. of the new Beijing-Xiong’an Inter-city Railway

Highway Projects

China Railway Major Section GQ3 of construction project of the 3 Bridge Engineering major part of main line of Hebei Segment of 93,661 15 months Group Co., Ltd. Yanqing-Chongli Expressway Section JLLYQ-SG03 of Phase 1 of China Railway No.1 high-speed transformation construction 4 Engineering Group 92,141 — project (S230-Sujiahang Expressway) of Co., Ltd. Jiangling Road in Suzhou City China Railway No.2 Section CX-CZ3 of construction project of 5 Engineering Group Changzhou-Wuxi Segment of South 80,655 25 months Co., Ltd. Suzhou-Wuxi-Changzhou Expressway China Railway No.5 Section XZ-05 of subgrade, bridge and tunnel 6 Engineering Group construction project of Xixiang-Zhenba 52,150 26 months Co., Ltd. Expressway

Municipal Works and Other Works

Suzhou International High-speed Logistics China Railway No.4 Channel Project (Phase 2) – Section 2 of 7 Engineering Group 219,305 732 days high-speed transformation project of Co., Ltd. Chunshenhu Road (CSH-TJ02) China Railway No.1 Construction project of Wenzhong Road 540 calendar 8 Engineering Group (Modian Street – Quanhu North Road) in 65,606 Co., Ltd. Hefei City days Shanghai Civil Section SG6-1-2 of the construction project of 365 calendar 9 Engineering Co., Ltd 58,861 Metro (Phase 1) of CREC days China Railway No.2 EPC contract of survey-design-construction Engineering Group of National Chengdu Agricultural Technology 998 calendar 10 55,723 Co., Ltd. and third Center Project (Phase 1 of Innovation Core days parties Area) Phase 1 of the civil construction project of China Railway No.4 metro, high-speed rail and near tunnels in 365 calendar 11 Engineering Group 54,042 Terminal Area of Chengdu Tianfu Co., Ltd. days International Airport

The above bids amounted to approximately RMB12,053.33 million in aggregate, representing approximately 1.75% of the operating revenue of the Company in 2017 prepared under the China Accounting Standards.

Notice is hereby given. The Board of Directors of China Railway Group Limited 15 May 2018