BABA [Alibaba] SC 13G/A: (Original Filing)
[JOINT FILING AGREEMENT Dated: February 14, 2018 (remainder of page intentionally left blank) JACK YUN MA Timothy A. Steinert Attorney-in-Fact JOSEPH C. TSAI Timothy A. Steinert Attorney-in-Fact] [POWER OF ATTORNEY (remainder of page intentionally left blank) JACK YUN MA JOSEPH C. TSAI CLARA WU MING-]