[China Yuchai Announces Issuance of Medium-Term Notes China Yuchai International Limited (NYSE: CYD) Singapore, Singapore, May30, 2013 Subscription to and trading of the Notes is only available in China to institutional investors of Chinas National Inter-bank Bond Market. The first tranche of the Notes was underwritten by China CITIC Bankrporation Limited. The proceeds from the]

[China Yuchai Announces Resignation of President – China Yuchai International Limited (NYSE: CYD) Singapore, Singapore, May 27, 2013 In the interim until a replacement is identified, the duties of the President will be assumed by the Chief Financial Officer, Mr. Kok Ho Leong. The Board of Directors thanks Mr. Goh for his contributions to China Yuchai during his tenure as]

[China Yuchai Announces Resignation of President China Yuchai International Limited (NYSE: CYD) Singapore, Singapore, May27, 2013 In the interim until a replacement is identified, the duties of the President will besumed by the Chief Financial Officer, Mr.Kok Ho Leong. The Board of Directors thanks Mr.Goh for hisntributions to China Yuchai during his tenure President.]

[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]