INVESTIGATION DISCOVERY CLOSES OUT FIRST HALF OF 2015 CELEBRATING BEST 2nd QUARTER AND BEST JUNE EVER IN PRIME AND TOTAL DAY

-- SERIAL THRILLER, ID's First Scripted Project, is Top Program in 2Q --

(Silver Spring, Md.) - Investigation Discovery (ID), the #3 network on television for women in Total Day,* announced it had its best 2nd quarter and June ever in both Prime and Total Day as it closes out the first half of 2015 for L+3 delivery among key demos,** including:

· 2Q Prime among P2+ (870k), HH (720k), P25-54 (371k), W25-54 (254k), P18-49 (289k) and W18-49 (200k);

· 2Q Total Day among P2+ (650k) and HH (563k);

· June 2015 Prime among P2+ (888k), HH (753k), P25-54 (375k). W25-54 (259k) and W18-49 (198k); and

· June 2015 Total Day among P2+ (636k) and HH (566k) delivery.

With the end of 2Q15, ID has demonstrated 26 consecutive quarters of year-over-year delivery gains in Prime among P2+, while June 2015 marks four consecutive months of year-over-year Prime delivery growth among P2+, HH, W25-54 and W18-49.

This June, ID launched its first scripted project, SERIAL THRILLER. The new series was the top programming performer for ID in 2Q, followed by ON THE CASE WITH PAULA ZAHN, and DEADLINE: CRIME WITH TAMRON HALL, all of which averaged more than 1 million P2+.

ID continued its reign in Total Day as the #1 network for tune in all of television among P25-54 and W25-54.

About Investigation Discovery

Investigation Discovery (ID) is the leading mystery-and-suspense network on television. From harrowing crimes and salacious scandals to the in-depth investigations and heart-breaking mysteries that result, the "always revealing" network challenges our everyday understanding of culture, society and the human condition. One of our nation's fastest growing cable networks, ID delivers the highest-quality programming to nearly 86 million U.S. households and is available in both high definition (HD) and standard definition (SD). For more information, please visit InvestigationDiscovery.com, facebook.com/InvestigationDiscovery, or twitter.com/DiscoveryID. Investigation Discovery is part of Discovery Communications (Nasdaq: DISCA, DISCB, DISCK), the world's #1 pay-TV programmer reaching nearly 3 billion cumulative subscribers in 220 countries and territories.

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* Source: Nielsen, NHI Calendar, 12/29/14-6/28/15, Total Day M-Su 6a-6a, L+3 Day data, W25-54 delivery, Time Period Based Averages, Ad-supported cable, excluding ADSM.

**Source: Nielsen, L+3 Day data, Month and Quarter data based on Time Period Averages.