13D Filing: Sparkle Byte Ltd Discloses Activist Stake in Casi Pharmaceuticals, Inc. (CASI)

(1) The record owner of these shares is Sparkle Byte Limited. By
virtue of holding 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle
Byte Limited, Tianjin Jingran Management Center (Limited Partnership) may be deemed to have sole voting and dispositive power with
respect to these shares. By virtue of being the general partner of Tianjin Jingran Management Center (Limited Partnership), the
Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares. By virtue of being the shareholders
and/or directors of the Reporting Person, Jianguang Li, Dongliang Lin, Fei Yang, Suyang Zhang and Hugo Shong may be deemed to have
shared voting and dispositive power with respect to these shares..

(2) Percentage calculated based on 41,843,406 total outstanding
shares of the common stock of the Issuer, including 5,693,892 shares issued or issuable pursuant to the transactions disclosed
in this Schedule 13D.