X0303 4 2010-08-03 0 0001227930 ENTROPIC COMMUNICATIONS INC ENTR 0001300840 PADVAL UMESH 6290 SEQUENCE DRIVE SAN DIEGO CA 92121 1 0 0 0 Common Stock 2010-08-03 4 M 0 6384 2.5 A 37153 D Common Stock 2010-08-03 4 S 0 6384 7.8331 D 30769 D Non-Qualified Stock Option (right to buy) 2.5 2010-08-03 4 M 0 6384 0 D 2019-05-19 Common Stock 6384 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.83 to $7.84, per share. The reporting person undertakes to provide to Entropic Communications (the "Company"), any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. 1/12th of the shares vest each month over twelve consecutive months beginning on 5/19/09. By: David B. Lyle, as attorney-in-fact For: Umesh Padval 2010-08-04