X0306 4 2013-02-19 0 0001113784 CardioNet, Inc. BEAT 0001201075 AHRENS RONALD A 227 WASHINGTON STREET, #300 CONSHOHOCKEN PA 19428 1 0 0 0 Common Stock 2013-02-19 4 P 0 5000 A 134550 D The price reported in column 4 is a weighted price. These shares were purchased in multiple transactions at prices and ranges from $2.54-2.56, inclusive. The reporting person undertakes to provide to CardioNet, Inc., any security holder of the Corporation, 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 range set forth herein. /s/ Peter Ferola, by power of attorney 2013-02-21