Discovery Communications Produces Strong Gains in Delivery Across U.S. Portfolio in November 2012

-- Discovery Channel Records Best November Ever Among M25-54 Delivery and is the #1 Non-Sports Network Among M25-54 --

-- Animal Planet and Investigation Discovery Record Best November Performances Ever in Target Demos --

(Silver Spring, Md.) Driven by strong performances from new and returning series on Discovery Channel, TLC, Animal Planet, Investigation Discovery, SCIENCE, Destination America, Velocity, Discovery Fit & Heath, OWN and The Hub, Discovery Communications’ U.S. network portfolio grew +19% in P25-54 Prime delivery in November 2012 vs. November 2011.

Discovery Channel, the network scored its best November ever with HH, P2+ and P/M25-54/18-49 and is up double digits in Prime among HH, P2+ and P/M/W25-54. On Friday nights, premieres of Gold Rush were #1 in all of television among M25-54/M18-49 and premieres of Jungle Gold were #2 in cable among P/M25-54/18-49/18-34 and W18-34. Moonshiners was #2 in cable among M25-54 on Wednesday nights for the network. Discovery Channel was the #1 non-sports cable network in Prime with M25-54 in November and is on track for its best 4Q ever.

Led by popular returning series Long Island Medium and Sister Wives and new series Breaking Amish, TLC posted double-digit gains in Prime over a year ago among P/W25-54/18-49. TLC ranked among the top five ad-supported cable networks in delivery in November among W25-54/18-49. On Sunday nights, TLC was the #2 ad-supported cable network in delivery among HH, P2+ and P/W25-54/18-49/18-34.

Animal Planet earned its best ever November in Prime and Total Day delivery among P/M25-54/18-49. November marks Animal Planet’s 13th consecutive month of year-over-year Prime gains among HH and M25-54/18-49. Finding Bigfoot remains among Animal Planet’s top three performing series of all time with P25-54, with November premieres delivering more than 1.2M P2+ viewers. The network also is on track to achieve its most-watched year in network history in Prime among HH, P25-54/18-49 and M25-54/18-49.

Investigation Discovery garnered its best November ever in Prime with HH, P2+, P/W25-54 and W18-49 delivery. November marks Investigation Discovery’s 43rd consecutive month of year-over-year Prime delivery gains among HH, P2+ and P/W25-54, the longest current streak of any ad-supported cable network. According to the Nielsen Universe Estimates for December 2012, Investigation Discovery has also passed the 80M HH mark.

Driven by the successful premieres of Firefly 10th Anniversary Special: Browncoats Unite, Punkin Chunkin 2012 and Fringe, SCIENCE earned its best month ever among P2+ in Prime and Total Day and its most-watched month ever among P25-54 across total day. Science also marked its 12th consecutive month of year-over-year Prime gains among P2+ and P/M25-54.

Destination America marked 14 consecutive months of year-over-year gains in Prime among P25-54/18-49 and is up double digits in Prime and Total Day among HH, P2+ and P/M25-54/18-49. Velocity delivered gains for every day part among M25-54. With the success of signature series Untold Stories of the ER and Secretly Pregnant and the debut of Shocking Family Secrets, Discovery Fit & Health delivered its best month in Prime and Total Day ever among W25-54 delivery.

Discovery’s joint venture networks OWN: Oprah Winfrey Network and The Hub earned increases across HH, P2+ and target demos in November. With the help of popular series Welcome to Sweetie Pie’s and Iyanla: Fix My Life, OWN scored its 10th consecutive month of year-over-year ratings gains in Prime and Total Day. OWN ranked in the top 10 of all of cable on Saturdays in Prime among W25-54. Marking its best-ever November, The Hub achieved its 11th consecutive month of year-over-year total day gains in its key demos.

Source: The Nielsen Company; Prime delivery November 2012 vs. November 2011 unless otherwise noted

About Discovery Communications
Discovery Communications (Nasdaq: DISCA, DISCB, DISCK) is the world’s #1 nonfiction media company reaching more than 1.8 billion cumulative subscribers in 217 countries and territories. Discovery is dedicated to satisfying curiosity through 153 worldwide television networks, led by Discovery Channel, TLC, Animal Planet, Science and Investigation Discovery, as well as U.S. joint venture networks OWN: Oprah Winfrey Network, The Hub and 3net, the first 24-hour 3D network. Discovery also is a leading provider of educational products and services to schools and owns and operates a diversified portfolio of digital media services, including Revision3. For more information, please visit www.discoverycommunications.com.