X0303 4 2010-09-27 0 0000912752 SINCLAIR BROADCAST GROUP INC SBGI 0001254011 SMITH J DUNCAN 10706 BEAVER DAM RD COCKEYSVILLE MD 21030 1 1 1 0 Secretary Class B Common Stock 2010-09-27 4 J 0 64000 D 9000000 D Class A Common Stock 2010-09-27 4 J 0 64000 A 64000 D Class A Common Stock 2010-09-27 4 S 0 30143 7.0582 D 33857 D Class A Common Stock 2010-09-28 4 S 0 30400 7.05 D 3457 D Class A Common Stock 2010-09-29 4 S 0 3457 7.1 D 0 D Conversion from Class B Common Stock to Class A Common Stock. N/A Reporting Person also directly owns 5,890.311615 shares of Common Stock held by a 401k Plan. The sale price is a weighted average for the sale reported. The range of prices for this sale was $7.0500 - $7.10. The Reporting Person undertakes to provide, upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Lisa A. Olivieri, Esquire, on behalf of J. Duncan Smith, by Power of Attorney 2010-09-29