Sunwin Electronics: Controlling shareholders and their concerted parties reduce their holdings, resulting in a change in equity that triggers a 5% threshold.

Dayou Electronics announced that from March 23 to April 21, 2026, the controlling shareholder and actual controller, Rongzhu, reduced their holdings by 636,400 shares through centralized bidding, accounting for 0.54% of the company's total share capital. After this equity change, Rongzhu and its concerted action parties, Lupeng and Jiangsu Riyuan Investment Co., Ltd., collectively reduced their shareholding from 35.54% to 35.00%, triggering the 5% scale situation. This equity change does not trigger a mandatory takeover bid, and will not result in changes to the controlling shareholder and actual controller.