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

(1) These securities include (i) 4,744,910 shares of common
stock issued by the Issuer to the Reporting Person and (ii) 948,982 shares of common stock issuable upon exercise at $1.69 per
share of certain warrant issued by the Issuer to the Reporting Person pursuant to that certain securities purchase agreement dated
as of September 20, 2015 between the Issuer and He Xie Ai Qi Investment Management (Beijing) Co., Ltd. By virtue of holding 100%
of the equity interest of the Reporting Person, Snow Moon Limited may be deemed to have sole voting and dispositive power with
respect to these shares. By virtue of holding 100% of the equity interest of Snow Moon 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), 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.