[China Yuchai International Announces Singapore, Singapore August8, 2011 China Yuchai International Limited (NYSE: CYD) The financial highlights for the second quarter of 2011 are: Net revenue was RMB 4.0billion (US$ 620.7million); Total number of diesel engine units sold was 139,236mpared with 132,092 units in the second quarter of 2010; The gross margin was 19.2%, down] [CHINA YUCHAI INTERNATIONAL LIMITED 30 June 2011 30 June 2010 RMB '000 US$ '000 RMB '000 US$ '000 Revenue, net 4,017,242 620,749 4,016,043 620,564st of goods sold 3,246,139 501,598 3,120,913 482,248 Gross profit 771,103 119,151 895,130 138,316 Otherome (21,353 ) (3,300 ) (17,179 ) (2,655 ) Research & developmentsts]

[CHINA YUCHAI INTERNATIONAL TO ANNOUNCE - Audio Web Cast to Begin at 8:00 AM EDT - Singapore, Singapore – July 25, 2011 http://www.cyilimited.com The webcast can be accessed at the investor relations section of the Company’s website located at About China Yuchai International http://www.cyilimited.com China Yuchai International Limited, through its subsidiary, Guangxi Yuchai Machinery Company Limited (“GYMCL”), engages in the]

[CHINA YUCHAI INTERNATIONAL TO ANNOUNCE - Audio Webst to Begin at 8:00 AM EDT - Singapore, Singapore July25, 2011 http://www.cyilimited.com The webcastn be accessed at the investor relations section of thempanys website located atout China Yuchai International http://www.cyilimited.com China Yuchai International Limited, through its subsidiary, Guangxi Yuchai Machinerympany Limited (GYMCL), engages in the manufacture,sembly, andle]

[China Yuchai Announces Issuance of Second Tranche of Short Term Financing Bonds by its Key Singapore, Singapore – July 22, 2011 China Yuchai International Limited (NYSE: CYD) The second tranche of the Bonds will bear a fixed annual interest rate of 5.65%. Subscription to and trading of the Bonds is only available in China to institutional investors of China’s National]

[China Yuchai International Appoints New Director Singapore, Singapore – July 15, 2011 China Yuchai International Limited (NYSE: CYD) From 2006 to present, Ms. Wang has held a number of positions with increasing responsibilities in accounting and finance at the State Holding Company where she is currently the General Accountant and Manager of its finance department as well as a member]