Document:

EX-10.11

 Exhibit 10.11 

November 6, 2014 
 Integrated Electrical Services, Inc.

 5433 Westheimer, Suite 500 
 Houston, TX 77056 

Attention: Robert W. Lewey 
  

	Re:	Amendment and Limited Consent 

 Gentlemen: 

Reference is hereby made to that certain Amended and Restated Credit and Security Agreement, dated as of September 24, 2014, by and among
Integrated Electrical Services, Inc. (“Administrative Borrower”), certain of its subsidiaries and affiliates, as Borrowers and Guarantors (as defined therein), and Wells Fargo Bank, National Association (“Lender”)
(as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”). Capitalized terms used but not defined herein shall have the meanings given them in the Credit Agreement. 

Borrowers have requested that the Credit Agreement be amended to permit certain investments, on terms and conditions set forth in this letter
agreement (this “Letter Agreement”). 
 Further, Borrowers have informed Lender that IES Subsidiary Holdings, Inc., a
Delaware corporation (“Holdings”), desires to contribute, convey and assign all of the issued and outstanding membership interest in HK Engine Components, LLC (“HKEC”), an Indiana limited liability company (the
“HKEC Shares”), to Magnetech Industrial Services, Inc., an Indiana corporation (“Magnetech”), pursuant to that certain Contribution, Conveyance and Assignment Agreement (the “Contribution Agreement”) dated
effective as of October 1, 2014. Borrowers have requested that Lender consent to Holdings and Magnetech entering into the Contribution Agreement and consummating the transactions contemplated therein (the “Proposed
Transaction”). 
 Borrowers acknowledge and agree that absent such consent, entering into the Contribution Agreement and the
consummation of the Proposed Transaction contemplated therein would violate the Credit Agreement and would result in certain Defaults and Events of Default thereunder. 

The Borrowers and Lender desire to amend the Credit Agreement as set forth in this Letter Agreement. Therefore, in consideration of the
foregoing, and for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, agree as follows: 

I. AMENDMENT 

Effective as of the date hereof, the following definition set forth in Schedule 1.1 of the Credit Agreement is hereby amended and
restated in its entirety to read as follows: 
 “Permitted Investments” means: 

(a) Investments in cash and Cash Equivalents; 

(b) Investments in negotiable instruments deposited or to be deposited for collection in the ordinary course of business; 

  
 Letter Agreement- Limited Consent 

 (c) advances made in connection with purchases of Goods or services in the
ordinary course of business; 
 (d) Investments owned by any Loan Party or any of its Subsidiaries on the Closing Date and
set forth on Schedule P-1; 
 (e) Permitted Intercompany Advances; 

(f) Investments resulting from entering into (i) Bank Product Agreements, or (ii) agreements relative to Indebtedness that
is permitted under clause (g) of the definition of Permitted Indebtedness; and 
 (g) Investments in an original amount
not to exceed $10,000,000 in the aggregate for all Loan Parties in marketable securities, pursuant to the investment policy attached hereto as Exhibit G (provided, that, for the avoidance of doubt, no Investment by any Loan Party made
pursuant to this clause (g) shall be included in the calculation of “Liquidity”). 
 Effective upon the execution of
this Letter Agreement, the Credit Agreement shall be amended such that the Investment Policy attached hereto as Annex A shall be added as Exhibit G to the Credit Agreement immediately following Exhibit F thereto. 

Effective upon the execution of this Letter Agreement, the Credit Agreement shall be amended such that Schedules 5.1(b) and
5.1(c) to the Information Certificate attached to the Credit Agreement as Exhibit E thereto shall be replaced with the corresponding schedules attached hereto as Annex B. 

II. CONSENTS 

Subject to the terms and conditions set forth below, Lender hereby (a) consents to Holdings and Magnetech entering into the Contribution
Agreement and consummating of the Proposed Transaction and (b) agrees that no Default or Event of Default shall have occurred or be deemed to have occurred under the Credit Agreement or any of the Loan Documents solely as a result of Holdings and
Magnetech entering into the Contribution Agreement and consummating of the Proposed Transaction and that Lender shall not exercise any of its rights and remedies under the Credit Agreement and the Loan Documents solely as a result of Holdings and
Magnetech entering into the Contribution Agreement and consummating of the Proposed Transaction. 
 III. CONDITIONS PRECEDENT

 The foregoing consent and agreements by Lender are subject to the satisfaction of the following conditions in form and substance
acceptable to Lender in its sole discretion: 
 (i) Lender shall have received this letter agreement duly and validly
executed by Borrowers, Guarantors and Lender; 
 (ii) Lender shall have received a Pledged Interests Addendum duly executed
by Magnetech; 
 (iii) Lender shall have received original certificates representing the HKEC Shares, together with
corresponding transfer powers in substance and form satisfactory to Lender; 

  
 Letter Agreement- Limited Consent 

 (iv) Lender shall have received an executed copy of the Contribution Agreement;

 (v) Lender shall have received evidence of all third party consents and approvals required in connection with the
consummation of the Proposed Transaction and authorizing resolutions of Holdings and Magnetech or their equity holders in connection with the Proposed Transaction; 

(vi) with respect to the Proposed Transaction, after giving effect to the consents set forth herein, immediately prior to and
after giving effect to such Proposed Transaction, no Default or Event of Default shall have occurred and be continuing; and 

(vii) after giving effect to the consents set forth herein, the representations and warranties contained in the Credit
Agreement and the Loan Documents shall be true and correct in all material respects as of the date hereof as if made on the date hereof (except to the extent a representation or warranty relates solely to a specific earlier date, in which case such
representation or warranty shall have been true and complete on and as of such earlier date). 
 IV. MISCELLANEOUS 

Except as expressly set forth in this Letter Agreement, nothing contained herein shall be construed as a waiver by Lender of any other present
or future violation, Default or Event of Default, covenant or provision of the Credit Agreement, any Loan Document, or of any other contract or instrument between Borrowers and Lender, and the failure of Lender at any time or times hereafter to
require strict performance by Borrowers of any provision thereof shall not waive, affect or diminish any right Lender has to thereafter demand strict compliance therewith. Lender hereby reserves all rights granted under the Credit Agreement, each
Loan Document, and any other contract or instrument among Borrowers and Lender. Irrespective of any previous failures or delays of Lender in the monitoring or in the requiring of compliance by Borrower with the duties, obligations, and agreements of
Borrowers in the Credit Agreement and the Loan Documents, hereafter Borrowers are expected to comply strictly with their duties, obligations and agreements under the Credit Agreement and the Loan Documents. Similarly, except as set forth above,
nothing contained in this Letter Agreement shall directly or indirectly in any way whatsoever either: (i) impair, prejudice or otherwise adversely affect Lender’s rights at any time to exercise any right, privilege or remedy in connection
with the Credit Agreement or any Loan Document, (ii) amend or alter any provision of the Credit Agreement or any Loan Document or any other contract or instrument, or (iii) constitute any course of dealing or other basis for altering any
obligation of Borrowers under the Credit Agreement and the Loan Documents or any right, privilege or remedy of Lender under the Credit Agreement and the Loan Documents or any other contract or instrument among Borrowers and Lender. Nothing in this
Letter Agreement shall be construed to be a consent by Lender to any transactions other than the Proposed Transaction. 
 This Letter
Agreement shall be a “Loan Document” and failure to comply with the terms and conditions hereof shall be an Event of Default. This Letter Agreement may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed to be an original and all of which counterparts taken together shall constitute one and the same instrument. Any signature delivered by a party by facsimile or other form of electronic transmission shall be deemed to be an original
signature hereto. 
 This Letter Agreement is binding upon and shall inure to the benefit of Lender and Borrowers and their respective
successors and assigns. This Letter Agreement may be signed in any number of counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. THIS
LETTER AGREEMENT, AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER,
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF
THE STATE OF TEXAS. 

  
 Letter Agreement- Limited Consent 

 THIS LETTER AGREEMENT, THE CREDIT AGREEMENT, AND THE LOAN DOCUMENTS EMBODY THE FINAL, ENTIRE
AGREEMENT AMONG THE PARTIES HERETO AND SUPERSEDE ANY AND ALL PRIOR COMMITMENTS, AGREEMENTS, REPRESENTATIONS, AND UNDERSTANDINGS, WHETHER WRITTEN OR ORAL, RELATING TO THE SUBJECT MATTER HEREOF, AND MAY NOT BE CONTRADICTED OR VARIED BY EVIDENCE OF
PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OR DISCUSSIONS OF THE PARTIES HERETO. THERE ARE NO ORAL AGREEMENTS AMONG THE PARTIES HERETO. 

Please execute this Letter Agreement in the space provided below to acknowledge each Borrower’s agreement to the foregoing. By execution
of this Letter Agreement in the space provided below, each Borrower (a) ratifies and confirms that the Credit Agreement and all Loan Documents, and all renewals, extensions, and restatements of, and amendments and supplements to, any of the
foregoing, are and remain in full force and effect in accordance with their respective terms and (b) agrees to reimburse and save Lender harmless from and against liabilities for the payment of all out-of-pocket costs and expenses arising in
connection with the preparation, execution, and delivery of this Letter Agreement, including, without limitation, the reasonable fees and expenses of legal counsel to Lender which may be payable in respect of this Letter Agreement. 

[Remainder of Page Intentionally Left Blank] 

  
 Letter Agreement- Limited Consent 

 IN WITNESS WHEREOF, the undersigned has executed this Agreement as of the date first above written.

  

			
	Sincerely,
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION
		
	By:	 	 /s/ Howard I. Handman

	Name:	 	Howard I. Handman
	Title:	 	Authorized Signatory

  
 Letter Agreement- Limited Consent 

  

			
	 AGREED TO AND ACCEPTED AS OF
 THE
DATE FIRST WRITTEN ABOVE

	
	BORROWERS:
	
	INTEGRATED ELECTRICAL SERVICES, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Senior Vice President
	
	IES COMMERCIAL & INDUSTRIAL, LLC
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	President
	
	IES COMMERCIAL, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES PURCHASING & MATERIALS, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	President
	
	IES RESIDENTIAL, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	INTEGRATED ELECTRICAL FINANCE, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	President

  
 Letter Agreement- Limited Consent 

 
			
	IES MANAGEMENT LP
	
	By: INTEGRATED ELECTRICAL FINANCE,
	INC., its General Partner
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	President
	
	IES MANAGEMENT ROO, LP
	
	By: IES OPERATIONS GROUP, INC., its
	General Partner
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	President
	
	IES RENEWABLE ENERGY, LLC
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES SUBSIDIARY HOLDINGS, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Chief Financial Officer
	
	HK ENGINE COMPONENTS, LLC
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	MAGNETECH INDUSTRIAL SERVICES, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President

  
 Letter Agreement- Limited Consent 

 
			
	ACKNOWLEDGED AND AGREED TO AS OF THE DATE FIRST WRITTEN ABOVE
	
	GUARANTORS:
	
	IES CONSOLIDATION, LLC
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES SHARED SERVICES, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES PROPERTIES, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	KEY ELECTRICAL SUPPLY, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES TANGIBLE PROPERTIES, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	IES OPERATIONS GROUP, INC.
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President
	
	ICS HOLDINGS LLC
		
	By:	 	 /s/ Robert W. Lewey

	Name:	 	Robert W. Lewey
	Title:	 	Vice President

  
 Letter Agreement- Limited ConsentEX-10.13

 Exhibit 10.13 

September 9, 2016 
 IES Holdings, Inc. 

5433 Westheimer, Suite 500 
 Houston, TX 77056 

Attention: Robert W. Lewey 
  

	Re:	Third Amendment 

 Gentlemen: 

Reference is hereby made to that certain Amended and Restated Credit and Security Agreement, dated as of September 24, 2014, by and among IES
Holdings, Inc. (“Administrative Borrower”), certain of its subsidiaries and affiliates, as Borrowers and Guarantors (as defined therein), and Wells Fargo Bank, National Association (“Lender”) (as amended,
restated, supplemented or otherwise modified from time to time, the “Credit Agreement”). Capitalized terms used but not defined herein shall have the meanings given them in the Credit Agreement. 

Borrowers have requested that the Credit Agreement be amended on terms and conditions set forth in this letter agreement (this “Letter
Agreement”). Therefore, in consideration of the foregoing, and for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, agree as follows: 

I. AMENDMENT 
 1.1
Effective as of the date hereof, Section 7.17 of the Credit Agreement is hereby amended and restated in its entirety to read as follows: 

“Use proceeds of the Loans in connection with funding work related to the Bonded Contracts unless such use is upon terms,
provisions and conditions acceptable to Lender, in its good faith discretion (such as, without limitation, Lender being satisfied with its Lien priority and right to proceeds relating to Borrowers’ assets and restrictions on when payments may
be made by Borrowers in connection with Bonded Contracts); provided, however, except as otherwise provided in the Federal Insurance Company and Liberty Mutual Intercreditor, the Chartis Intercreditor, the Everest Intercreditor, or
any intercreditor agreement entered into after the Third Amendment Closing Date in form and substance satisfactory to Lender, Lender agrees that the foregoing shall not be construed to prevent any ability of Federal Insurance Company, Liberty
Mutual, Chartis, Everest, or any other Surety (so long as such Surety has entered into an intercreditor agreement with Lender in form and substance satisfactory to Lender), as applicable, to receive payment out of any assets of any Borrower in which
Federal Insurance Company, Liberty Mutual, Chartis, Everest or such other Surety has a first priority Lien in a circumstance where Federal Insurance Company, Liberty Mutual, Chartis, Everest, or such other Surety has made a payment on a Surety
Bond and Federal Insurance Company, Liberty Mutual, Chartis, Everest, or such other Surety is seeking reimbursement for such payment from such Borrower.” 

1.2 Effective as of the date hereof, Schedule 1.1 of the Credit Agreement is hereby amended to add the following definitions in the
proper alphabetical order: 
 “Everest” means Everest Reinsurance Company, Everest National Insurance
Company or any of their Affiliates or Subsidiaries.” 
 “Everest Intercreditor” means an Intercreditor
Agreement entered into as of September 9, 2016 by and among Lender, Everest and certain Loan Parties, in form and substance satisfactory to Lender in its sole and absolute discretion, as the same may be amended, amended and restated or
otherwise modified from time to time.” 
 [IES] Letter Agreement- Third Amendment 

 “Third Amendment Closing Date” shall mean September 9,
2016.” 
 1.3 Effective as of the date hereof, the following definitions set forth in Schedule 1.1 of the Credit Agreement are
hereby amended and restated in their entirety to read as follows: 
 ““Excluded Collateral” means (i)
the Surety Collateral to the extent (a) the issuer of the Surety Bond is Chartis, Everest, Liberty Mutual Federal Insurance Company, or other Surety (so long as such Surety has entered into an intercreditor agreement with Lender in form
and substance satisfactory to Lender) or a co-surety of such Person under the Specified Surety Agreements in effect on the Third Amendment Closing Date, provided that the Chartis Intercreditor, Everest Intercreditor, the Federal Insurance
Company and Liberty Mutual Intercreditor, or an intercreditor agreement entered into after the Third Amendment Closing Date in form and substance satisfactory to Lender, as applicable, is in full force and effect and (b) such Surety Collateral has
not previously been included in a Borrowing Base Certificate delivered to Lender, (ii) all cash collateral pledged to Federal Insurance Company, Everest, Liberty Mutual, Chartis or such other Surety pursuant to the Specified Surety Agreements that
is in the possession or under the control of Federal Insurance Company, Everest, Liberty Mutual, Chartis or such other Surety, as applicable, provided that the Chartis Intercreditor, Everest Intercreditor, the Federal Insurance Company and
Liberty Mutual Intercreditor, or an intercreditor agreement entered into after the Third Amendment Closing Date in form and substance satisfactory to Lender, as applicable, is in full force and effect and (iii) cash collateral pledged to Sureties
(other than Federal Insurance Company, Everest, Liberty Mutual, Chartis or any other Surety (so long as such Surety has entered into an intercreditor agreement with Lender in form and substance satisfactory to Lender)) up to an aggregate amount of
$2,000,000 (exclusive of any drawings under letters of credit issued for the benefit of such Surety) that is in the possession or under the control of such Surety; provided, however, that in no event shall Excluded Collateral include any amounts
which from time to time may be in the Collection Account or any Deposit Account in which cash collateral or Qualified Cash is held.” 

“‘Loan Documents’ means this Agreement, any Borrowing Base Certificate, the Control Agreements, the Cash
Management Documents, the Guaranty, the Federal Insurance and Liberty Mutual Intercreditor, the Everest Intercreditor, the Chartis Intercreditor, any intercreditor agreement entered into after the Third Amendment Closing Date in form and substance
satisfactory to Lender, the Letters of Credit, each Patent and Trademark Security Agreement, any Copyright Security Agreement, the Seller Subordination Agreement, the Collateral Assignment of Purchase Agreement, the Omnibus Reaffirmation, any note
or notes executed by any Borrower in connection with this Agreement and payable to Lender, any Letter of Credit Applications and other Letter of Credit Agreements entered into by any Borrower in connection with the Existing Credit Agreement, and any
other instrument or agreement entered into, now or in the future, by any Loan Party or any of its Subsidiaries and Lender in connection with this Agreement, but specifically excluding all Hedge Agreements.” 

“Specified Surety Agreements” means the agreements with Chartis, Everest, Federal Insurance Company, Liberty
Mutual and/or any other Surety listed on Schedule 5.31 to the Information Certificate.” 
 1.4 Effective as of the date hereof,
Schedule 1.1 of the Credit Agreement is hereby amended to amend and restated clause (i) of the definition of “Permitted Liens” in its entirety to read as follows: 

[IES] Letter Agreement- Third Amendment 

 “(i)
Liens in favor of Sureties in the Surety Collateral securing reimbursement obligations for Surety Bonds procured by a Borrower in the ordinary course of business consistent with past practices
pursuant to a bonding program acceptable to Lender; provided, that such Surety has, pursuant to documentation satisfactory to Lender in the good faith exercise of its credit judgment: (a) agreed not to require segregation of funds as to its
Bonded Collateral without the prior written consent of Lender (though Federal Insurance Company, Everest, Liberty Mutual, Chartis, and any other Surety (so long as such Surety has entered into an intercreditor agreement with Lender in form and
substance satisfactory to Lender) will be permitted such segregation upon a default under the Bonded Contract and notice to Lender from Federal Insurance Company, Everest, Liberty Mutual, Chartis, or such other Surety, as applicable;
provided, that the Federal Insurance and Liberty Mutual Intercreditor, the Everest Intercreditor, the Chartis Intercreditor, or other intercreditor agreement entered into after the Third Amendment Closing Date in form and substance
satisfactory to Lender, as applicable, is in full force and effect) and (b) (i) acknowledged and agreed that pursuant to the Loan Parties’ cash management system established in connection with this Agreement, proceeds of the Surety Collateral,
including Accounts arising from the Bonded Contracts (collectively, “Bonded Contract Proceeds”) may be commingled with proceeds of other Accounts and other Property of Borrowers in the Collection Account and other Deposit Accounts
in which Lender has, or in the future may have, security interests, Liens or other rights, and (ii) consented to such commingling and to security interests, Liens or other rights in the Collection Account and such other Deposit Accounts, and (iii)
released and waived any and all security interests and other legal and equitable rights and interests that it may then or thereafter have (as secured party, subrogee, trust fund beneficiary, or otherwise) in or to (A) the Collection Account and such
other Deposit Accounts and (B) Bonded Account Proceeds that from time to time are in the Collection Account and such other Deposit Accounts are in the possession of Lender, that have been applied to indebtedness, liabilities or obligations from time
to time owing to Lender by Borrowers, or have otherwise been removed from, set off against or applied from the Collection Account and such other Deposit Accounts.” 

1.5 Effective upon the execution of this Letter Agreement, the Credit Agreement shall be amended such that Schedule 5.31
to the Information Certificate attached to the Credit Agreement as Exhibit E thereto shall be amended to add the following: 
  

			
	“09/09/16	  	Agreement of Indemnity by and among certain Loan Parties, Everest Reinsurance Company and Everest National Insurance Company”

 II. CONDITIONS PRECEDENT 

The foregoing consent and agreements by Lender are subject to the satisfaction of the following conditions in form and substance acceptable to
Lender in its sole discretion: 
 (i) Lender shall have received this letter agreement duly and validly executed by
Borrowers, Guarantors and Lender; 
 (ii) Lender shall have received an executed copy of the Agreement of Indemnity by an
among Everest Reinsurance Company, Everest National Insurance Company and the applicable Loan Parties; 
 (iii) Lender shall
have received an executed copy of the Intercreditor Agreement executed by Everest Reinsurance Company, Everest National Insurance Company and the applicable Loan Parties; and 

(iv) the representations and warranties contained in the Credit Agreement and the Loan Documents shall be true and correct in
all material respects as of the date hereof as if made on the date hereof (except to the extent a representation or warranty relates solely to a specific earlier date, in which case such representation or warranty shall have been true and complete
on and as of such earlier date). 
 [IES] Letter Agreement- Third Amendment 

 III. MISCELLANEOUS 

Except as expressly set forth in this Letter Agreement, nothing contained herein shall be construed as a waiver by Lender of any other
present or future violation, Default or Event of Default, covenant or provision of the Credit Agreement, any Loan Document, or of any other contract or instrument between Borrowers and Lender, and the failure of Lender at any time or times hereafter
to require strict performance by Borrowers of any provision thereof shall not waive, affect or diminish any right Lender has to thereafter demand strict compliance therewith. Lender hereby reserves all rights granted under the Credit Agreement, each
Loan Document, and any other contract or instrument among Borrowers and Lender. Irrespective of any previous failures or delays of Lender in the monitoring or in the requiring of compliance by Borrower with the duties, obligations, and agreements of
Borrowers in the Credit Agreement and the Loan Documents, hereafter Borrowers are expected to comply strictly with their duties, obligations and agreements under the Credit Agreement and the Loan Documents. Similarly, except as set forth above,
nothing contained in this Letter Agreement shall directly or indirectly in any way whatsoever either: (i) impair, prejudice or otherwise adversely affect Lender’s rights at any time to exercise any right, privilege or remedy in connection with
the Credit Agreement or any Loan Document, (ii) amend or alter any provision of the Credit Agreement or any Loan Document or any other contract or instrument, or (iii) constitute any course of dealing or other basis for altering any obligation
of Borrowers under the Credit Agreement and the Loan Documents or any right, privilege or remedy of Lender under the Credit Agreement and the Loan Documents or any other contract or instrument among Borrowers and Lender. Nothing in this Letter
Agreement shall be construed to be a consent by Lender to any transactions other than the Proposed Transaction. 
 This Letter
Agreement shall be a “Loan Document” and failure to comply with the terms and conditions hereof shall be an Event of Default. This Letter Agreement may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed to be an original and all of which counterparts taken together shall constitute one and the same instrument. Any signature delivered by a party by facsimile or other form of electronic transmission shall be deemed to be an original
signature hereto. 
 This Letter Agreement is binding upon and shall inure to the benefit of Lender and Borrowers and their respective
successors and assigns. This Letter Agreement may be signed in any number of counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. THIS
LETTER AGREEMENT, AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER,
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF
THE STATE OF TEXAS. 
 THIS LETTER AGREEMENT, THE CREDIT AGREEMENT, AND THE
LOAN DOCUMENTS EMBODY THE FINAL, ENTIRE AGREEMENT AMONG THE PARTIES HERETO AND SUPERSEDE ANY AND ALL PRIOR COMMITMENTS, AGREEMENTS, REPRESENTATIONS, AND UNDERSTANDINGS, WHETHER WRITTEN OR ORAL, RELATING TO THE SUBJECT MATTER HEREOF, AND MAY NOT BE
CONTRADICTED OR VARIED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OR DISCUSSIONS OF THE PARTIES HERETO. THERE ARE NO ORAL AGREEMENTS AMONG THE PARTIES HERETO. 

Please execute this Letter Agreement in the space provided below to acknowledge each Borrower’s agreement to the foregoing. By execution
of this Letter Agreement in the space provided below, each Borrower (a) ratifies and confirms that the Credit Agreement and all Loan Documents, and all renewals, extensions, and restatements of, and amendments and supplements to, any of the
foregoing, are and remain in full force and effect in accordance with their respective terms and (b) agrees to reimburse and save Lender harmless from and against liabilities for the payment of all out-of-pocket costs and expenses arising in
connection with the preparation, execution, and delivery of this Letter Agreement, including, without limitation, the reasonable fees and expenses of legal counsel to Lender which may be payable in respect of this Letter Agreement. 

[Remainder of Page Intentionally Left Blank] 

[IES] Letter Agreement- Third Amendment 

 IN WITNESS WHEREOF, the undersigned has executed this Agreement as of the date first above
written. 
  

			
	Sincerely,	 	
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION
		
	By:	 	 /s/ Howard I. Handman

	Name:	 	Howard I. Handman
	Title:	 	Authorized Signatory

 [IES] Letter Agreement- Third Amendment 

 
			
	AGREED TO AND ACCEPTED AS OF THE DATE FIRST WRITTEN ABOVE

 
			
	
	BORROWERS:
	
	IES HOLDINGS, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Senior Vice President, CFO & Treasurer
	
	IES COMMERCIAL & INDUSTRIAL, LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & Treasurer
	
	IES COMMERCIAL, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & Treasurer
	
	IES PURCHASING & MATERIALS, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES RESIDENTIAL, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President, CFO & Treasurer
	
	INTEGRATED ELECTRICAL FINANCE, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer

 [IES] Letter Agreement- Third Amendment 

 
			
	IES MANAGEMENT LP
	
	By: INTEGRATED ELECTRICAL
	FINANCE, INC., its General Partner
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES MANAGEMENT ROO, LP
	
	 By: IES OPERATIONS GROUP, INC., its

General Partner

		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES RENEWABLE ENERGY, LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & CFO
	
	IES SUBSIDIARY HOLDINGS, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Chief Financial Officer
	
	HK ENGINE COMPONENTS, LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President, CFO & Treasurer
	
	MAGNETECH INDUSTRIAL SERVICES, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President, CFO & Treasurer

 [IES] Letter Agreement- Third Amendment 

 
			
	SOUTHERN INDUSTRIAL SALES AND SERVICES, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President, CFO & Treasurer
	
	CALUMET ARMATURE AND ELECTRIC, L.L.C.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President, CFO & Treasurer
	
	SHANAHAN MECHANICAL & ELECTRICAL, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & Treasurer
	
	IES INFRASTRUCTURE SOLUTIONS, LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & Treasurer
	
	TECHNIBUS, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	Vice President & Treasurer

 [IES] Letter Agreement- Third Amendment 

 
			
	 ACKNOWLEDGED AND AGREED TO AS
 OF
THE DATE FIRST WRITTEN ABOVE

	
	GUARANTORS:
	
	IES CONSOLIDATION, LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES SHARED SERVICES, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES PROPERTIES, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	KEY ELECTRICAL SUPPLY, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President
	
	IES TANGIBLE PROPERTIES, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	IES OPERATIONS GROUP, INC.
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer
	
	ICS HOLDINGS LLC
		
	By:	 	 /s/ Tracy A. McLauchlin

	Name:	 	Tracy A. McLauchlin
	Title:	 	President & Treasurer

 [IES] Letter Agreement- Third Amendment

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