DURING 1Q14 DISCOVERY CHANNEL HAS BEST FIRST QUARTER IN TOTAL VIEWERS IN 12 YEARS

(NEW YORK, NY) - Powered by compelling programming and strong characters, Discovery Channel had its best first quarter in more than a decade in Total Viewers P2+ and Households. Discovery Channel posted gains in Total Viewers P2+ and Households in 1Q14 vs. 1Q13, and programs that include GOLD RUSH, FAST N' LOUD and MOONSHINERS were #1 series on their respective nights.

1Q14 was Discovery Channel's most watched first quarter since 2002* in both Total Viewers P2+ and Households. Discovery also posted gains across Monday - Sunday Prime Time in Total Viewers P2+ (+2%) and Households (+4%) vs. 1Q13. During 1Q14, Discovery Channel was also in the Top 10 in numerous key demos, including Men 25-54 (#4), Persons 25-54 (#6), Men 18-49 (#6), Persons 18-49 (#8), Total Viewers P2+ (#9) and Men 18-34 (#10).

GOLD RUSH completed first quarter as cable's #1 show on 1Q14 Friday nights, beating out all cable programs among Total Viewers P2+, HH, Persons, Men and Women in all three demos of 25-54, 18-49 and 18-34, no exclusions. Additionally, GOLD RUSH was the #2 program in all of television during 1Q14, beating broadcast networks NBC, CBS and FOX in both Men 25-54 and Men 18-49, no exclusions, for the entire quarter on Fridays, no exclusions.

MOONSHINERS on 1Q14 Tuesdays were the #1 program on cable for the quarter in Men 25-54, no exclusions. Additionally, FAST N' LOUD on Mondays during 1Q14 finished as the #1 cable series for both Men 25-54 and Men 18-49**.

1Q14 vs. 1Q13 PRIME DELIVERY AA(000)

HH: 4% (969 v.928)

P 2+: 2% (1340 v.1308)

Network Quarter Year P 2+ Delivery

DISC 1Q 2001 1463
DISC 1Q 2002 1388
DISC 1Q 2014 1380
DISC 1Q 2004 1356
DISC 1Q 2000 1356
DISC 1Q 2013 1354
DISC 1Q 2007 1341
DISC 1Q 2012 1295
DISC 1Q 2011 1268
DISC 1Q 2009 1223
DISC 1Q 2010 1196
DISC 1Q 2008 1161
DISC 1Q 2006 1096
DISC 1Q 2003 1068
DISC 1Q 2005 1013

Source: Year over Year Growth. Nielsen. MultiTrak. Discovery Channel. NHI Calendar. Live + Same Day. Prime (8-11p). Mon-Sun. Time Period Based Dayparts. 1Q14 vs. 1Q13. P2+ Delivery.

*Source: DISC Historical Rank. Nielsen. MultiTrak. Discovery Channel. NHI Calendar. Live + Same Day. Program-Based Dayparts. Prime (8-11p). Mon-Sun. Quarterly Rank. P2+ Delivery.

** Excluding sports

About Discovery Channel

Discovery Channel is dedicated to creating the highest quality non-fiction content that informs and entertains its consumers about the world in all its wonder, diversity and amazement. The network, which is distributed to 100.8 million U.S. homes, can be seen in 210 countries and territories, offering a signature mix of compelling, high-end production values and vivid cinematography across genres including, science and technology, exploration, adventure, history and in-depth, behind-the-scenes glimpses at the people, places and organizations that shape and share our world. For more information, please visit www.discovery.com

About Discovery Communications

Discovery Communications (Nasdaq: DISCA, DISCB, DISCK) is the world's #1 nonfiction media company reaching more than two billion cumulative subscribers in 223 countries and territories. Discovery is dedicated to satisfying curiosity through 162 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. Across the Nordic region, Discovery owns and operates SBS Discovery Media, a top-three portfolio of 20 television brands that feature leading nonfiction content, as well as locally produced entertainment programs, sports and the best scripted series and movies from major studios. Discovery also is the leading provider of educational products and services to schools, including an award-winning series of digital textbooks, and owns and operates a diversified portfolio of digital media services, including Revision3. For more information, please visit www.discoverycommunications.com.