Sec Form 4 Filing - McIntyre Julian Alexander @ Advanced Emissions Solutions, Inc. - 2023-03-09

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 McIntyre Julian Alexander 2. Issuer Name and Ticker or Trading Symbol Advanced Emissions Solutions, Inc. [ ADES] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ADVANCED EMISSIONS SOLUTIONS, INC., 8051 E. MAPLEWOOD AVENUE, SUITE 210 3. Date of Earliest Transaction (MM/DD/YY) 03/09/2023 (Street) GREENWOOD VILLAGE, CO80111 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 03/09/2023 J( 1 ) 658,736 A 1,855,860 I By Allard Services Limited ( 2 ) Common Stock 03/09/2023 J( 1 ) 6,425 A 12,951 I By Stannard Limited ( 3 ) Series A Convertible Preferred Stock 03/09/2023 J( 1 ) 770,546 A 770,546 ( 4 ) I By Allard Services Limited. ( 2 ) Series A Convertible Preferred Stock 03/09/2023 J( 1 ) 7,515 A 7,515 ( 4 ) I By Stannard Limited. ( 3 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McIntyre Julian Alexander C/O ADVANCED EMISSIONS SOLUTIONS, INC. 8051 E. MAPLEWOOD AVENUE, SUITE 210 GREENWOOD VILLAGE, CO80111 X Signatures /s/ Julian Alexander McIntyre 03/13/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to that certain Share Buy Back Agreement, by and among Arq Limited and certain of its shareholders (the "Share Buy Back Agreement"), Arq Limited distributed shares of Common Stock, par value $0.001 per share (the "Common Stock") and shares of Series A Preferred Convertible Stock, par value $0.001 per share (the "Series A Preferred Stock"), to such shareholders in exchange for ordinary shares of Arq Limited held by such shareholders, in connection with the acquisition of Arq Limited by the Issuer. Pursuant to the Share Buy Back Agreement, certain shareholders of Arq Limited sold in the aggregate 90% of their ordinary shares in Arq and received in the aggregate 9.78 shares of Common Stock and 11.44 shares of Preferred Stock as consideration for every 1,000 ordinary shares in Arq sold (rounded down to the nearest whole share). The shares of the Issuer distributed in exchange for Arq Limited ordinary shares were valued at $4.00 per share. ( 2 )The shares reported on this row are held by Allard Services Limited. Julian McIntyre, a Director of the Issuer, controls Allard Services Limited and therefore is an indirect beneficial owner of the securities reported herein. ( 3 )The shares reported on this row are held by Stannard Limited. Mr. McIntyre's spouse controls Stannard Limited and therefore Mr. McIntyre may be deemed to be an indirect beneficial owner of the securities reported herein. ( 4 )Each share of Series A Preferred Stock will be automatically converted into a share of Common Stock upon approval by the holders of the percentage of Common Stock required to approve such conversion under the applicable rules of The Nasdaq Stock Market, without the need for any action on the part of the holders of the Series A Preferred Stock (the "Conversion Approval"). Each share of Series A Preferred Stock is deemed to have an original issue price of $4.00 per share (the "Original Issue Amount"). The number of shares of Common Stock issued upon conversion of each share of Series A Preferred Stock shall be equal to the product of (i) the sum of (A) the Original Issue Amount plus (B) an amount equal to the cumulative amount of the accrued and unpaid dividends on such share at such time (regardless of whether or not declared or funds for their payment are lawfully available) divided by (ii) the Original Issue Amount, subject to adjustment as provided in the Certificate of Designations.

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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