Exhibit 1

JOINT FILING AGREEMENT

In accordance with the requirements of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and subject to the limitations set forth therein, the parties set forth below agree to jointly file the Schedule 13G to which this joint filing agreement is attached, and have duly executed this joint filing agreement as of the date set forth below.

This agreement may be executed in any number of counterparts, each of which shall be deemed an original.

EXECUTED this 17th day of February 2015.

Yahoo! Inc.
By:	/s/ Ronald S. Bell
	Ronald S. Bell General Counsel and Secretary

Yahoo! Hong Kong Holdings Limited
By:	/s/ Chen Hsu Ching-ling
	Chen Hsu Ching-ling Director