China Yuchai International Limited (NYSE: CYD) ("China Yuchai" or the "Company"), one of the largest powertrain solution manufacturers through its main operating subsidiary in China, Guangxi Yuchai Machinery Company Limited ("GYMCL"), wishes to announce today its unaudited consolidated financial results for the 2023 second half year ("2H 2023") and fiscal year ended December 31, 2023 ("FY 2023"). The financial information presented herein for the second half year and fiscal year of 2023 and the