• Zai Lab filed a next-day disclosure return reporting the issue of 3,700,000 new ordinary shares on June 22.
• Shares were issued to a trustee to satisfy equity awards or options under its incentive plans.
• Issued shares rose to 1,137,828,030 from 1,134,128,030; no treasury shares reported.

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. Zai Lab 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-20260622-12210846), on June 22, 2026, and is solely responsible for the information contained therein.