[China Yuchai International Announces Unaudited First Quarter 2013 Financial Results SINGAPORE, Singapore – May 13, 2013 China Yuchai International Limited Financial highlights for the first quarter of 2013 • Net revenue was RMB 3.84 billion (US$ 613.1 million) compared with RMB 3.68 billion in the first quarter of 2012; • Gross profit was RMB 777.3 million (US$ 124.0 million), a] [CHINA YUCHAI INTERNATIONAL LIMITED UNAUDITED CONSOLIDATED INCOME STATEMENTS For the quarters ended March 31, 2013 and 2012 (RMB and US$ amounts expressed in thousands, except per share data) QTD March 31, 2013 QTD March 31, 2012 Revenue, net 3,843,680 613,135 3,681,977 587,340 Cost of goods sold 3,066,396 489,145 2,902,567]

[China Yuchai International Announces Unaudited First Quarter 2013 Financial Results SINGAPORE, Singapore May13, 2013 China Yuchai International Limited STYLE="font-family:Times New Roman" SIZE="2"> Financial highlights for the first quarter of 2013 Net revenue was RMB 3.84 billion (US$ 613.1 million)mpared with RMB 3.68 billion in the first quarter of 2012; Gross profit was RMB 777.3million (US$] [CHINA YUCHAI INTERNATIONAL LIMITED STYLE="font-family:Times New Roman" SIZE="2"> UNAUDITEDNSOLIDATEDOME STATEMENTS For the quarters ended March31, 2013 and 2012 (RMB and US$ amounts expressed in thousands, except per shareta) STYLE="font-family:Times New Roman" SIZE="2"> QTD March31, 2013 QTD March31, 2012 Revenue, net 3,843,680 613,135 3,681,977 587,340st of goods sold]

[CHINA YUCHAI APPOINTS NEW DIRECTOR Singapore, Singapore, April 30, 2013 – China Yuchai International Limited (NYSE: CYD) Mr. Ho was in private practice as a solicitor in Hong Kong, Mainland China and Canada between 1983 and 2006 with diverse experience in both contentious and non-contentious matters related to corporate commercial, financial and transnational transactions. He is now practicing independently as]