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, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares. By virtue
of being the general partner of the Reporting Person, He Xie Ai Qi Investment Management (Beijing) Co., Ltd. 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 He Xie
Ai Qi Investment Management (Beijing) Co., Ltd., 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.