[China Yuchai Announces New Gas Engine Development Project Singapore, Singapore March6, 2012 China Yuchai International Limited (NYSE: CYD) th In recent years, the policies of the Chinese government have encouraged energynservation and emissions reduction. Chinas 12 th The 12 Under the new project, a new facility will benstructed at GYMCLs main facility at Yulin City,]

[China Yuchai International Reports Unaudited Fourth Quarter and Full Year 2011 Financial Results Singapore, Singapore – February 27, 2012 China Yuchai International Limited (NYSE: CYD) Financial highlights for the fourth quarter of 2011: • Net revenue was RMB 3.7 billion (US$ 594.6 million) compared with RMB 3.8 billion in the fourth quarter of 2010; • Gross profit was RMB 1.0] [CHINA YUCHAI INTERNATIONAL LIMITED UNAUDITED CONSOLIDATED INCOME STATEMENTS For the quarters ended December 31, 2011 and 2010 (RMB and US$ amounts expressed in thousands, except per share data) September 30, September 30, September 30, September 30, December 31, 2011 December 31, 2010 RMB ‘000 US$ ‘000 RMB ‘000 US$ ‘000 Revenue, net 3,746,591 594,612 3,787,478 601,101 Cost of goods sold]

[China Yuchai International Reports Unaudited Fourth Quarter and Full Year 2011 Financial Results Singapore, Singapore February27, 2012 China Yuchai International Limited (NYSE: CYD) STYLE="font-family:Times New Roman" SIZE="2"> Financial highlights for the fourth quarter of 2011: Net revenue was RMB 3.7 billion (US$ 594.6 million)mpared with RMB 3.8 billion in the fourth quarter of 2010;] [CHINA YUCHAI INTERNATIONAL LIMITED STYLE="font-family:Times New Roman" SIZE="2"> UNAUDITEDNSOLIDATEDOME STATEMENTS For the quarters ended December31, 2011 and 2010 (RMB and US$ amounts expressed in thousands, except per shareta) STYLE="font-family:Times New Roman" SIZE="2"> September 30, September 30, September 30, September 30, December 31, 2011 December 31, 2010 RMB 000]