Manly May Ratings Flower for Discovery Channel

Network Leads Best May Ever in Men 25-54 Delivery, DEADLIEST CATCH #1 in all of Cable in Key Demos

(Silver Spring, MD.) - Discovery Channel registered its best May ratings ever for Men 25-54 on the strength of cable's number one show, DEADLIEST CATCH, as well as strong performers in returning series AMERICAN CHOPPER, SWORDS, DUAL SURVIVAL and the series premiere season of SWAMP BROTHERS. Discovery's overall prime average increased 7% compared to year ago, posting +7% for Person 25-54 and +10% for Men 18-49.

For May 2011, Discovery's prime ranking was #5 for ad-supported cable among Persons and Men 25-54 and Men 18-49. Premieres of DEADLIEST CATCH in May have ranked #1 in all of cable across all key demos. Discovery also posted its best May Thursday among Men 25-54. In addition, the Discovery Channel special, KILLING BIN LADEN, was Sunday's #2 cable program among Men 25-54 and 18-49.

Premieres of DUAL SURVIVAL, SWAMP BROTHERS, TORNADO RAMPAGE 2011, WHEN ANIMALS BITE BACK and UNLEASHED: K9'S OF BROWARD COUNTY all earned double-digit gains in key Persons and Male demos, versus respective May 2010 time slot delivery. AMERICAN CHOPPER earned triple-digit gains in all respective demos.

June will be bursting out all over on Discovery with continuing premieres of favorites DEADLIEST CATCH on Tuesdays; MYTHBUSTERS on Wednesdays; SWORDS on Thursdays; DUAL SURVIVAL on Fridays and the world premiere special SURVIVING D-DAY on Saturday, June 4 at 9pm e/p.

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 100.4 million U.S. homes, can be seen in over 180 countries, 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: DISAD, DISBD, DISCK) is the world's number one nonfiction media company, reaching more than 1.5 billion cumulative subscribers in over 170 countries. Discovery empowers people to explore their world and satisfy their curiosity through 100-plus worldwide networks, led by Discovery Channel, TLC, Animal Planet, Science Channel, Planet Green, Investigation Discovery and HD Theater, as well as leading consumer and educational products and services, and a diversified portfolio of digital media services including HowStuffWorks.com. For more information, please visit www.discoverycommunications.com.