Exhibit 1

Joint Filing Agreement

AGREEMENT dated as of December 10, 2014, by and among WPP Luxembourg Gamma Three S.à r.l., Competitive Media Reporting, LLC, and WPP plc (collectively, the “Parties”).

Each of the Parties hereto represents to the other Parties that it is eligible to use Schedule 13D to report its beneficial interest in the common stock of Rentrak Corporation (“Schedule 13D”) and it will file the Schedule 13D on behalf of itself.

Each of the Parties agrees to be responsible for the timely filing of the Schedule 13D and any and all amendments thereto and for the completeness and accuracy of the information concerning itself contained in the Schedule 13D, and the other Parties to the extent it knows or has reason to believe that any information about the other Parties is inaccurate.

WPP LUXEMBOURG GAMMA THREE S.À R.L.
By:	/s/ Anne Ehrismann
	Name: Anne Ehrismann
	Title: Manager
By:	/s/ Thierry Lenders
	Name: Thierry Lenders
	Title: Manager/Gérant

COMPETITIVE MEDIA REPORTING, LLC
By:	/s/ Tom Lobene
	Name: Tom Lobene
	Title: Treasurer
WPP PLC
By:	/s/ Paul W. G. Richardson
	Name: Paul W. G. Richardson
	Title: Group Finance Director

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