BABA [Alibaba] SC 13G/A: JOINT FILING AGREEMENT Rule 13d-1(k) under In accordance
[JOINT FILING AGREEMENT Rule 13d-1(k) under In accordance with the requirements of This agreement may be executed in any number of counterparts, each of which shall be deemed an original. EXECUTED this 14th day of February, 2018. Altaba Inc. Thomas J. McInerney Chief Executive Officer Altaba Holdings]