Congratulations To

AB&B BIO-TECH (Stock Code: 2627.HK)

On The Successful IPO On The Main board Of The HKEX!

COMPANY PROFILE

Ab&B Bio Tech Co Ltd JS is a China-based company primarily engaged in the research, development, manufacturing, and commercialization of vaccines. Its product pipeline includes two core products, the quadrivalent subunit influenza vaccine and lyophilized human rabies vaccine candidate, along with 11 other vaccine candidates. The Company primarily operates within the domestic market.

(Source：http://www.hkex.com.hk/）

CR SWCS Team is honoured to serve as AB&B BIO-TECH’s Joint Company Secretary,

committed to ensuring governance, compliance, and sustained growth.