(CCIH) to Participate in CCBI Corporate Day

BEIJING, Oct. 18, 2013 — ChinaCache International Holdings Ltd. (“ChinaCache” or the “Company”) (Nasdaq:CCIH), the leading total solutions provider of Internet content and application delivery services in China, today announced that it will participate in the China Construction Bank International (“CCBI”) Corporate Day to be held on Thursday, October 24, 2013 at the JW Marriott Hotel in Shenzhen, China.

Investors who wish to meet with ChinaCache representatives may contact Ms. Yujie Li through ir@chinacache.com or Ms. MaryBeth Csaby through chinacache@tpg-ir.com.

About ChinaCache

ChinaCache International Holdings Ltd. (Nasdaq:CCIH) is the leading total solutions provider of Internet content and application delivery services in China. As a carrier-neutral service provider, ChinaCache’s network in China is interconnected with networks operated by all telecom carriers, major non-carriers and local Internet service providers. With more than a decade of experience in developing solutions tailored to China’s complex Internet infrastructure, ChinaCache is a partner of choice for businesses, government agencies and other enterprises to enhance the reliability and scalability of online services and applications and improve end-user experience. For more information on ChinaCache, please visit en.chinacache.com.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates” and similar statements. ChinaCache may also make written or oral forward-looking statements in its reports filed or furnished to the U.S. Securities and Exchange Commission, in its annual reports to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Statements that are not historical facts, including statements about ChinaCache’s beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties. A number of factors could cause actual results to differ materially from those contained in any forward-looking statements, including but not limited to the following: the Company’s goals and strategies, expansion plans, the expected growth of the content and application delivery services market, the Company’s expectations regarding keeping and strengthening our relationships with its customers, and the general economic and business conditions in the regions where the Company provides its solutions and services. Further information regarding these and other risks is included in the Company’s filings with the U.S. Securities and Exchange Commission. All information provided in this press release is as of the date of this press release, and ChinaCache undertakes no duty to update such information, except as required under applicable law.

CONTACT: For investor and media inquiries please contact:

         Ms. Yujie Li
         Investor Relations
         ChinaCache International Holdings
         Tel: +86 (10) 6408 5305
         Email: ir@chinacache.com

         Ms. MaryBeth Csaby
         The Piacente Group | Investor Relations
         Tel: +1 212-481 2050
         Email: chinacache@tpg-ir.com