[April 9, 2013 ChinaCache International Holdings Ltd. Announces Fourth Quarter and Full Fiscal Year 2012 Financial Results 2012 net revenues increased 31.6% to RMB813.7 million BEIJING, April 9, 2013 (GLOBE NEWSWIRE) — 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 its unaudited condensed,] [ChinaCache International Holdings Ltd. Section A, Building 3, Dian Tong Creative Square No. 7 Jiuxianqiao North Road, Chaoyang District Beijing, 100015 The People’s Republic of China +86 10 6437 3399 Form 20-F x Form 40-F o o o ChinaCache International Holdings Ltd.]

[ChinaCache Announces Management Changes BEIJING, March 28, 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 the promotion of Dr. Ken Zhang, Chief Technology Officer to the position of President, effective immediately. Additionally, the Board has appointed Ms. Jing An, Vice] [ChinaCache International Holdings Ltd. Section A, Building 3, Dian Tong Creative Square No. 7 Jiuxianqiao North Road, Chaoyang District Beijing, 100015 The People’s Republic of China +86 10 6437 3399 Form 20-F x Form 40-F o o o ChinaCache International Holdings Ltd.]