JOINT FILING AGREEMENTJoint Filing Agreement • March 29th, 2018 • Temasek Holdings (Private) LTD • Telephone communications (no radiotelephone)
In accordance with Rule 13(d)-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with each other of the attached Statement on Schedule 13D and to all amendments to such Statement.
