Sinclair Demonstrates Complete Mobile DTV Solution

BALTIMORE, April 20 /PRNewswire-FirstCall/ -- Sinclair Broadcast Group, Inc.
(Nasdaq: SBGI), the "Company" or "Sinclair," today announced that it is
supporting the demonstration of a complete Mobile DTV system using its digital
station KVCW-DT, "the CW Las Vegas" during the 2009 NAB show in Las Vegas,
Nevada (April 18-23, 2009). Sinclair, working with a team of industry leading
product and services organizations, has developed solutions based on the
recently published ATSC Mobile DTV (A/153) Candidate Standard (CS).

Commenting on the collaborative effort, Mark Aitken, Director of Advanced
Technology of Sinclair, stated, "Bringing together companies to develop
products and business solutions based on the ATSC Candidate Standard is
another step to help ensure the success of Mobile DTV for broadcasters. It
also underscores the commitment of Sinclair to deploy Mobile DTV in multiple
markets inside of the next year based on mature and innovative solutions
jointly refined and developed." Sinclair earlier this year declared its
intention to launch Mobile DTV in multiple markets this year in an
announcement made in cooperation with the Open Mobile Video Coalition
(www.OMVC.org) at the Consumer Electronics Shows in January of this year.

The following outlines the various companies and their involvement in this
collaborative effort and their location at the 2009 NAB Show.

-- Ai (Acrodyne Industries) LVCC C1336/C8546N
-- System Integration - AVC Encoders, Program Service Metadata
server,
OMA (Open Mobile Alliance) Electronic Service Guide and
Interactive
applications, Mobile Service Multiplexer with IP Encapsulation and
Exciter - into one product - "Mobile360"
-- THECOOLTV (Cool Music Networks) LVCC C8546N
-- The Cool Music Network (CMN) presents all music, all the time,
showcasing the world's greatest music artists from the most
popular music genres, and Mobile Interactive Music
-- DTV Innovations LVCC C8546M/C8546N
-- Program Service Metadata server
-- EXPWAY LVCC C8546O/C8546N
-- OMA (Open Mobile Alliance) ESG (Electronic Service Guide),
Advertising, RSS and datacasting
-- Harmonic LVCC SU7209/C8546N
-- Real-time HD & Multi-screen Encoders
-- LG Electronics/Zenith LVCC C8546F
-- ATSC Mobile DTV Receiving Devices, including personal mobile
DTV-portable DVD, and CDMA and GSM mobile phones
-- MobiTV LVCC C8546N
-- OMA (Open Mobile Alliance) RME (Rich Media Environment)
Interactive
Applications
-- Rohde & Schwarz LVCC C1933/C8546P/C8546N
-- Exciter and Mobile Service Multiplexer with IP Encapsulation
-- TitanTV LVCC SU4802/ C8546N

-- Program Schedule Listings

About Sinclair:

Sinclair Broadcast Group, Inc., one of the largest and most diversified
television broadcasting companies, owns and operates, programs or provides
sales services to 58 television stations in 35 markets. Sinclair's television
group reaches approximately 22% of U.S. television households and is
affiliated with all major networks. Sinclair owns equity interests in various
non-broadcast related companies.

SOURCE Sinclair Broadcast Group, Inc.

Del Parks, VP Engineering and Operations, or Mark Aitken, Director of Advanced
Technology, both of Sinclair Broadcast Group, Inc., +1-410-568-1500