--'Stickiness' Index Measures Viewer Involvement-- PORTLAND, Ore., Dec. 21 /PRNewswire-FirstCall/ -- Rentrak Corporation (NASDAQ:RENT), a leader in multi-screen media measurement serving the entertainment and advertising industries, released the "Stickiness" Index for the week of December 7 through December 13, 2009. The "Stickiness" Index lists the top-25 "stickiest" 30-minute, 60-minute and 120-minute primetime programs based on proprietary information derived from Rentrak's TV Essentials service which tracks anonymous set-top-box viewing information. The "Stickiness" Index is based on the average percentage of the program viewed, divided by the average percentage viewed for all series of that duration during Monday-Saturday primetime (8pm-11pm) and Sunday primetime (7pm-11pm). Programs with the most engaged viewers will have higher "stickiness" indexes. Week of 12/07/2009 - 12/13/2009: Index Rating Rank Rank Series Network Index ----- ------ ------ ------- ----- 1 109 The Christmas Hope LMN 171 --- --- ------------------ --- --- 2 166 Debbie Macomber's Mrs. Miracle HALL 158 --- --- ------------------------------ ---- --- 3 68 The Closer TNT 157 --- --- ---------- --- --- 4 9 The Mentalist CBS 155 --- --- ------------- --- --- 5 14 Criminal Minds CBS 151 --- --- -------------- --- --- 6 198 En nombre del amor UNIV-B 150 --- --- ------------------ ------ --- 7 170 Sortilegio UNIV-B 150 --- --- ---------- ------ --- The Biggest Loser 8: Second 8 7 Chances NBC 150 --- --- --------------------------- --- --- 9 131 Dora, the Explorer NICKJR 147 --- --- ------------------ ------ --- 10 21 CSI: NY CBS 146 --- --- ------- --- --- 11 141 Christmas in Canaan HALL 145 --- --- ------------------- ---- --- 12 10 CSI: Crime Scene Investigation CBS 144 --- --- ------------------------------ --- --- 13 29 Bones FOX 142 --- --- ----- --- --- 14 17 CSI: Miami CBS 140 --- --- ---------- --- --- 15 155 Fallen Angel HALL 139 --- --- ------------ ---- --- 16 11 NCIS CBS 137 --- --- ---- --- --- 17 23 Survivor: Samoa CBS 137 --- --- --------------- --- --- 18 16 Extreme Makeover: Home Edition ABC 137 --- --- ------------------------------ --- --- 19 35 2009 Heisman Trophy Awards Show ESPN 135 --- --- ------------------------------- ---- --- 20 257 My Neighbor's Keeper LMN 134 --- --- -------------------- --- --- 21 254 Ghost Hunters SYFY 134 --- --- ------------- ---- --- 22 181 Holiday Switch LIFE 134 --- --- -------------- ---- --- 23 136 Dora, the Explorer NICKJR 133 --- --- ------------------ ------ --- 24 154 A Season for Miracles HALL 133 --- --- --------------------- ---- --- 25 158 Go, Diego, Go! NICKJR 133 --- --- -------------- ------ --- The "Stickiness" Index is the average percentage of the program viewed, divided by the average percentage viewed for all programs of that duration (i.e. 30 min, 60 min, or 120 min). Monday-Saturday primetime (8pm-11pm) and Sunday primetime (7pm-8pm) programs, includes roll up of air times. Excludes local programming and all premium non ad-supported channels. About TV Essentials Rentrak's TV Essentials is a comprehensive suite of research tools that enable customers to analyze anonymous audience viewing of programming and advertising across VOD, DVR, interactive and linear television. Utilizing proprietary technology to process massive amounts of click-stream data, the TV Essentials system is able to aggregate and report second-by-second information from millions of digital set-top boxes. The system can isolate individual market, network, series, or telecast performance, administer national and local estimates, and provide an evaluation of influencing factors such as psychographics and demographics. About Rentrak Corporation Rentrak Corporation is an industry-advancing media measurement and research company, serving the most recognizable names in the entertainment industry. Reaching across numerous platforms including box office, home entertainment, on-demand and linear television, broadband and mobile, Rentrak provides unique and actionable insight for our clients and partners. From the introduction of our revolutionary Pay-Per-Transaction® distribution and revenue-sharing system, which equipped Rentrak with the intelligence and ability to deal with large, complex data streams, to the company's exclusive Essentials(TM) suite of services, Rentrak has redefined digital audience measurement. Rentrak is headquartered in Portland, Oregon, with additional offices in Los Angeles, New York City and Miami/ Ft. Lauderdale. For more information on any of Rentrak's services, please visit http://www.rentrak.com/. Contacts: Rogers & Cowan for Rentrak Corporation Sallie Olmsted Amanda Bartz (310) 854-8124 (310) 854-8151 DATASOURCE: Rentrak Corporation CONTACT: Sallie Olmsted, +1-310-854-8124, , or Amanda Bartz, +1-310-854-8151, , both of Rogers & Cowan, for Rentrak Corporation Web Site: http://www.rentrak.com/

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