DUKE ENERGY INDIANA, INC. ("Duke Energy Indiana") hereby gives notice that on September 28, 2010 a Petition in Cause 43955 was filed with the Indiana Utility Regulatory Commission for approval to offer additional energy efficiency programs for approval of program cost recovery, lost revenues and incentives pursuant to 170 IAC 4-8-5, 170 IAC 4-8-6, AND 170 IAC 4-8-7; authority to defer costs pending approval; and for authority to implement annual tracking mechanism. DUKE ENERGY INDIANA, INC. By: Douglas F. Esamann, Interim President o21