A conference call and audio webcast for the investment community has been scheduled for 8:00 A.M. Eastern Standard Time on February 23, 2023. The call will be hosted by the President and Chief Financial Officer of China Yuchai, Mr. Weng Ming Hoh and Mr. Choon Sen Loo, respectively, who will present on and discuss the financial results of the Company followed by a Q&A session.

Analysts and institutional investors may participate in the conference call by registering at: https://register.vevent.com/register/BIadf79c13ba63410187ba354842c0be45 at least one hour before the scheduled start time. A return email will be sent with instructions and numbers to join the call.

For all other interested parties, a simultaneous webcast can be accessed at the investor relations section of the Company's website located at http://www.cyilimited.com. Participants are encouraged to join the webcast at least 10 minutes prior to the scheduled start time. The recorded webcast will be available on the website shortly after the earnings call.