Changxin Technology: The preliminary inquiry price range for this issuance is 7.26 yuan/share - 65.19 yuan/share.

Changxin Technology Announcement: The preliminary inquiry period for this issuance will be from 9:30 to 15:00 on July 13, 2026. As of 15:00 on July 13, 2026, the joint lead underwriters received preliminary inquiry pricing information from 333 offline investors managing 11,537 allotted objects through the Shanghai Stock Exchange business management system platform. The pricing range is 7.26 yuan/share to 65.19 yuan/share, with a total planned subscription quantity of 12.86062 billion shares.