The undersigned hereby agree that the Statement on Schedule 13G, dated February 9, 2016 (the “Schedule 13G”), with respect to the Class A Common Stock, par value $0.001 per share, of Viacom Inc., is, and any amendments executed by us shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the 9th day of February, 2016.


		/s/ Sumner M. Redstone
		Name:	Sumner M. Redstone
			Individually

		NAI ENTERTAINMENT HOLDINGS LLC


		/s/ Tad Jankowski
		Name:	Tad Jankowski
		Title:	Vice President

		NAI ASSET HOLDINGS LLC


		/s/ Tad Jankowski
		Name:	Tad Jankowski
		Title:	Vice President

		NATIONAL AMUSEMENTS, INC.


		/s/ Tad Jankowski
		Name:	Tad Jankowski
		Title:	Vice President