Sec Form 4 Filing - ARES MANAGEMENT LLC @ Infrastructure & Energy Alternatives, Inc. - 2022-10-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ARES MANAGEMENT LLC 2. Issuer Name and Ticker or Trading Symbol Infrastructure & Energy Alternatives, Inc. [ IEA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2000 AVENUE OF THE STARS, 12TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 10/07/2022 (Street) LOS ANGELES, CA90067 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, $0.0001 par value per share 10/07/2022 D( 1 ) 67,690 D 0 D Common Stock, $0.0001 par value per share 10/07/2022 D( 1 ) 11,554,630 D 0 I( 2 )( 3 )( 4 ) By ASOF Holdings I, L.P. Common Stock, $0.0001 par value per share 10/07/2022 D( 1 ) 3,686,645 D 0 I( 2 )( 3 )( 4 ) By Ares Special Situations Fund IV, L.P

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Warrants to purchase Common Stock $ 0.0001 10/07/2022 D( 5 ) 4,327,322 09/23/2021 ( 5 ) Common stock, par value $0.0001 per share 0 ( 5 ) 0 I( 2 )( 3 )( 4 ) By ASOF Holdings I, L.P. Warrants to purchase Common Stock $ 0.0001 10/07/2022 D( 5 ) 296,661 08/30/2019 ( 5 ) Common stock, par value $0.0001 per share 0 ( 5 ) 0 I( 2 )( 3 )( 4 ) By ASOF Holdings I, L.P. Warrants to purchase Common Stock $ 0.0001 10/07/2022 D( 5 ) 339,136 08/30/2019 ( 5 ) Common stock, par value $0.0001 per share 0 ( 5 ) 0 I( 2 )( 3 )( 4 ) By Ares Special Situations Fund IV, L.P.

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ARES MANAGEMENT LLC 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management Holdings L.P. 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Holdco LLC 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management Corp 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management GP LLC 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Voting LLC 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Ares Partners Holdco LLC 2000 AVENUE OF THE STARS 12TH FLOOR LOS ANGELES, CA90067 X X Signatures ARES MANAGEMENT LLC /s/ Josh Bloomstein By: Josh Bloomstein Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES MANAGEMENT HOLDINGS L.P. By: ARES HOLDCO LLC Its: General Partner /s/ Josh Bloomstein By: Josh Bloomstein Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES HOLDCO LLC /s/ Josh Bloomstein By: Josh Bloomstein Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES MANAGEMENT CORPORATION /s/ Josh Bloomstein By: Josh Bloomstein Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES MANAGEMENT GP LLC /s/ Josh Bloomstein By: Josh Bloomstein Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES VOTING LLC By: ARES PARTNERS HOLDCO LLC Its: Sole Member /s/ Christina Oh By: Christina Oh Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date ARES PARTNERS HOLDCO LLC /s/ Christina Oh By: Christina Oh Its: Authorized Signatory 10/11/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share was disposed of subject to the terms of an Agreement and Plan of Merger (the "Merger Agreement"), dated as of July 24, 2022, by and among MasTec, Inc. ("MasTec"), Indigo Acquisition I Corp. and the Issuer, for a price, subject to the Merger Agreement, of $10.50 in cash consideration and 0.0483 shares of MasTec common stock having a market value of $65.53 per share on the effective date of the merger. ( 2 )This statement is being filed jointly by (i) Ares Special Situations Fund IV, L.P. ("ASSF IV"), (ii) ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), (iii) ASOF Holdings I, L.P ("ASOF"), (iv) ASOF Investment Management LLC ("ASOF Investment Management"), (v) Ares Management LLC, (vi) Ares Management Holdings L.P. ("Ares Management Holdings"), (vii) Ares Holdco LLC ("Ares Holdco"), (viii) Ares Management Corporation ("Ares Management"), (ix) Ares Voting LLC ("Ares Voting"), (x) Ares Management GP LLC ("Ares Management GP") and (xi) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). This Form 4 is being filed in two parts due to the number of Reporting Persons. ( 3 )Ares Partners is the sole member of each of Ares Voting and Ares Management GP, which are respectively the holders of the Class B and Class C common stock of Ares Management, which common stock allows them, collectively, to generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. Ares Management is the sole member of Ares Holdco, which is t he general partner of Ares Management Holdings, which is the sole member of Ares Management LLC, which is: (a) the general partner of ASSF Operating Manager IV, which is the manager of ASSF IV and (b) the sole member of ASOF Investment Management, which is the manager of ASOF. ( 4 )Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purposes. ( 5 )Each warrant was disposed of subject to the terms Merger Agreement, for a price, subject to the Merger Agreement, of $10.50 in cash consideration and 0.0483 shares of MasTec common stock having a market value of $65.53 per share on the effective date of the merger.

Remarks: Ares Management LLC and its affiliates designated Matthew Underwood and Scott Graves to be appointed to the board of directors of the Issuer. Mr. Underwood became a director effective March 10, 2020 and Mr. Graves became a director effective August 17, 2021. Accordingly, Ares Management LLC and its affiliates listed hereon may be deemed to be a director by deputization for purposes of Section 16 of the Exchange Act.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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