X0306 4 2013-09-25 0001048268 INTEGRATED ELECTRICAL SERVICES INC IESC 0001257737 LINDSTROM JAMES M ONE SOUND SHORE DR, SUITE 304 GREENWICH CT 06830 1 1 President & CEO Common Stock 2013-09-25 4 P 0 1901.0000 4.2900 A 274890.0000 D Common Stock 2013-09-25 4 F 0 8239.0000 4.2900 D 266651.0000 D This transaction was executed in multiple trades at prices ranging from $4.26 to $4.29. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Represents shares withheld to satisfy withholding tax liability resulting from vesting of phantom stock units delivered in an equal number of shares of common stock issued pursuant to the Amended and Restated Integrated Electrical Services, Inc. 2006 Equity Incentive Plan. Gail D. Makode, Attorney-in-Fact 2013-09-27