(IESC) Highlighted as a Top Workplace and Announces Recent Management Appointments

HOUSTON, Dec. 16, 2014  — Integrated Electrical Services, Inc. (or “IES”) (Nasdaq:IESC) today announced new divisional appointments and its ranking as a top workplace in Houston based on a survey conducted by the Houston Chronicle.

Recent Management Appointments

IES is pleased to announce several recent divisional appointments, including the hiring of Ed Zeuch as Vice President, Finance of the Infrastructure Solutions segment and Todd Lovell as Vice President, Program Director of the Commercial & Industrial segment. Additionally, IES’s Communications segment has added Robert Gosse as Branch Manager of its recently established Dallas, TX branch.

Mr. Zeuch has over 15 years of experience in finance and operations with companies including Schneider Electric, Teradata Corporation, and NCR Corporation. Over the last six years, Mr. Zeuch served as Chief Operating Officer at Carat Security Group.

Mr. Lovell has over 20 years of construction project management and most recently served as Senior Projects Manager for six years with Jacobs Engineering Group Inc. and five years with Tetra Tech, Inc. Mr. Lovell will be focused on driving strategic initiatives to ensure Commercial & Industrial’s continued growth and success.

James Lindstrom, Chairman and Chief Executive Officer, continued, “We believe the strong new additions to our team validate IES as an employer of choice and our ability to attract the best employees possible. We remain committed to developing our employees and investing in talent to expand our capabilities and support our growth and backlog in 2015.”

Top Workplace by the Houston Chronicle

IES has been named a Top Workplace by the Houston Chronicle, placing second in the ranking of midsize businesses. The second place ranking is an improvement of 13 spots from a 15^th-place ranking in 2013. The ranking is based on an annual survey of employees conducted for the Houston Chronicle by the research firm WorkplaceDynamics.

Sarah Kerrigan, head of Human Resources at IES, stated, “We are honored to be recognized as one of the top places to work in Houston. The results of these independent surveys confirm that our focus on creating an ownership mindset for all employees and developing an entrepreneurial environment differentiates IES.”

ABOUT INTEGRATED ELECTRICAL SERVICES, INC.

Integrated Electrical Services, Inc. is a holding company that owns and manages diverse operating subsidiaries, comprised of providers of industrial products and infrastructure services to a variety of end markets. Our 2,700 employees serve clients in the United States and abroad. For more information about IES, please visit www.ies-co.com.

Certain statements in this release may be deemed “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, all of which are based upon various estimates and assumptions that the Company believes to be reasonable as of the date hereof. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,” “could,” “should,” “expect,” “plan,” “project,” “intend,” “anticipate,” “believe,” “seek,” “estimate,” “predict,” “potential,” “pursue,” “target,” “continue,” the negative of such terms or other comparable terminology. These statements involve risks and uncertainties that could cause the Company’s actual future outcomes to differ materially from those set forth in such statements. Such risks and uncertainties include, but are not limited to, the ability of our controlling shareholder to take action not aligned with other shareholders; the sale or disposition of the shares of our common stock held by our controlling shareholder, which, under certain circumstances, would trigger change of control provisions in our severance plan or financing and surety arrangements; or any other substantial sale of our common stock, which could depress our stock price; relatively low liquidity levels of our common stock, which could depress our stock price; the possibility that we issue additional shares of common stock or convertible securities that will dilute the percentage ownership interest of existing stockholders and may dilute the book value per share of our common stock; the possibility that certain tax benefits of our net operating losses may be restricted or reduced in a change in ownership; the inability to carry out plans and strategies as expected, including our inability to identify and complete acquisitions that meet our investment criteria in furtherance of our corporate strategy; limitations on the availability of sufficient credit or cash flow to fund our working capital needs and capital expenditures and debt service; difficulty in fulfilling the covenant terms of our credit facilities; competition in the industries in which we operate, both from third parties and former employees, which could result in the loss of one or more customers or lead to lower margins on new projects; challenges integrating new businesses into the Company or new types of work, products or processes into our segments; fluctuations in operating activity due to downturns in levels of construction, seasonality and differing regional economic conditions; a general reduction in the demand for our services; a change in the mix of our customers, contracts or business; our ability to enter into, and the terms of, future contracts; our ability to successfully manage projects; the possibility of errors when estimating revenue and progress to date on percentage-of-completion contracts; closures or sales of facilities resulting in significant future charges, including potential warranty losses or other unexpected liabilities, or a significant disruption of our operations; inaccurate estimates used when entering into fixed-priced contracts; the cost and availability of qualified labor; an increased cost of surety bonds affecting margins on work and the potential for our surety providers to refuse bonding or require additional collateral at their discretion; increases in bad debt expense and days sales outstanding due to liquidity problems faced by our customers; the recognition of potential goodwill, long-lived assets and other investment impairments; credit and capital market conditions, including changes in interest rates that affect the cost of construction financing and mortgages, and the inability for some of our customers to retain sufficient financing which could lead to project delays or cancellations; accidents resulting from the physical hazards associated with our work and the potential for accidents; our ability to pass along increases in the cost of commodities used in our business, in particular, copper, aluminum, steel, fuel and certain plastics; potential supply chain disruptions due to credit or liquidity problems faced by our suppliers; loss of key personnel and effective transition of new management; success in transferring, renewing and obtaining electrical and construction licenses; backlog that may not be realized or may not result in profits; uncertainties inherent in estimating future operating results, including revenues, operating income or cash flow; disagreements with taxing authorities with regard to tax positions we have adopted; the recognition of tax benefits related to uncertain tax positions; complications associated with the incorporation of new accounting, control and operating procedures; the possibility that our internal controls over financial reporting and our disclosure controls and procedures may not prevent all possible errors that could occur; the effect of litigation, claims and contingencies, including warranty losses, damages or other latent defect claims in excess of our existing reserves and accruals; growth in latent defect litigation in states where we provide residential electrical work for home builders not otherwise covered by insurance; the possibility that our current insurance coverage may not be adequate or that we may not be able to obtain a policy at acceptable rates; future capital expenditures and refurbishment, repair and upgrade costs, and delays in and costs of refurbishment, repair and upgrade projects; and liabilities under laws and regulations protecting the environment.

You should understand that the foregoing, as well as other risk factors discussed in this document and in the Company’s annual report on Form 10-K for the year ended September 30, 2014, could cause future outcomes to differ materially from those experienced previously or those expressed in such forward-looking statements. The Company undertakes no obligation to publicly update or revise any information, including information concerning its controlling shareholder, net operating losses, borrowing availability, or cash position, or any forward-looking statements to reflect events or circumstances that may arise after the date of this release.

Forward-looking statements are provided in this press release pursuant to the safe harbor established under the Private Securities Litigation Reform Act of 1995 and should be evaluated in the context of the estimates, assumptions, uncertainties, and risks described herein.

General information about Integrated Electrical Services, Inc. can be found at http://www.ies-co.com under “Investors.” The Company’s annual report on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, as well as any amendments to those reports, are available free of charge through the Company’s website as soon as reasonably practicable after they are filed with, or furnished to, the SEC.

CONTACT: Robert Lewey, CFO
         Integrated Electrical Services, Inc.
         713-860-1500