X0303 4 2010-12-31 0001096385 VECTREN CORP VVC 0001180876 CHAPMAN CARL L ONE VECTREN SQUARE P. O. BOX 209 EVANSVILLE IN 47708 1 President & CEO Common Stock 2010-12-31 4 F 0 7171 0 D 49811.33 D Common Stock 2010-12-31 4 M 0 1067 A 50878.33 D Common Stock 2010-12-31 4 D 0 1067 25.38 D 49811.33 D Common Stock 2133.6335 I 401k Plan Phantom Stock 0 2010-12-31 4 M 0 1067 D Common Stock 1067 2133 D Phantom Stock 0 2011-01-01 4 A 0 45200 0 A Common Stock 45200 45200 D The reporting person elected not to defer restricted stock vesting in 2010, resulting in the sale of securities to cover tax withholding due upon the lifting of restrictions and receipt of shares. The transaction was previously approved by the Compensation and Benefits Committee of the Board of Directors and is exempt under Rule 16b-3. The stock unit award vesting in 2010 was settled for cash. Each share of phantom stock was the economic equivalent of one share of VVC common stock. The stock unit award was acquired pursuant to the Vectren Corporation At-Risk Compensation Plan and is subject to forfeiture as provided by the Plan and the Plan Agreement. The lifting of restrictions and the forfeitability provisions is dependent upon contingent service by the executive. Restrictions applicable to the award will be lifted 1/3rd as of December 31, 2010, 1/3rd as of December 31, 2011 and 1/3rd as of December 31, 2012. The board of directors approved the acquisition in accordance with Rule 16b-3(d). The stock unit award was acquired pursuant to the Vectren Corporation At-Risk Compensation Plan and is subject to forfeiture as provided by the Plan and the Plan Agreement. The lifting of restrictions and the forfeitability provisions is dependent upon performance during a measuring period from January 1, 2011 through December 31, 2013 and, subject to certain enumerated circumstances, continued employment until December 31, 2014. The board of directors approved the acquisition in accordance with Rule 16b-3(d). /s/Ronald E. Christian 2011-01-04