Core Ocean Technology: Has repurchased 1.59% of shares, and has not implemented any reduction plan.

Announcement of Xinhai Technology: From January 29, 2024 to April 29, 2024, the company repurchased a total of 2.29 million shares, accounting for 1.59% of the total share capital of 144 million shares; On July 26, 2025, the company disclosed a plan for reduction, intending to reduce no more than 1.42 million shares through centralized bidding within three months after 15 trading days from the date of the announcement, accounting for 1.00% of the total share capital. As of the disclosure date of this announcement, the reduction period has expired, and the company has not reduced or transferred the above-mentioned shares. The company currently holds 2.29 million shares, accounting for 1.59%.