HJ Science stabilizing manager buys 2,040,000 H shares at HK$32.26-HK$81.8 during IPO stabilization period

• Stabilization period for the global offering ended July 17, 2026.
• Stabilizing manager over-allocated 2,040,000 H shares, equal to 15% of initial offer size.
• Stabilization buys totaled 2,040,000 H shares at HK$ 32.26 to HK$ 81.8; last buy June 24 at HK$ 36.78.
• Over-allotment option was not exercised, lapsed July 17; no H shares will be issued under the option.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. HJ Science Co. Ltd. published the original content used to generate this news brief via IIS, the regulatory disclosure system operated by the Hong Kong Stock Exchange (HKex) (Ref. ID: HKEX-EPS-20260717-12248127), on July 17, 2026, and is solely responsible for the information contained therein.