Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ________)* Equitrans Midstream Corporation (Name of Issuer) Preferred Shares (Title of Class of Securities) 294600200 (CUSIP Number) Mary E. Antunes, 300 Madison Avenue, 7th Flr New York, NY 10017 212-597-4839 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: XRule 13d-1(b) Rule 13d-1(c) Rule 13d-1(d) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 294600200 13G Page x of x Pages

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) CIBC Private Weatlh Group, LLC 04-3173832 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) (b) 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATIONNUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 5,000,000 6. SHARED VOTING POWER7. SOLE DISPOSITIVE POWER 5,000,000 8. SHARED DISPOSITIVE POWER9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,000,000 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 16.66% 12. TYPE OF REPORTING PERSON (see instructions) Parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G)CUSIP No. 294600200 13G Page x of x PagesItem 1. (a) Name of Issuer Equitrans Midstream Corporation (b) Address of Issuers Principal Executive Offices 2200 Energy Drive, Cannonsburg, PA 15317 Item 2. (a) Name of Person Filing CIBC Private Wealth Group, LLC(c) Citizenship Delaware(d) Title of Class of Securities Preferred Units representing limited partnership Interst (e) CUSIP Number 294600200 Item 3.If this statement is filed pursuant to Section 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E); (f) An employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F); (g) XA parent holding company or control person in accordance with Section 240.13d-1(b)(1)(ii)(G); (h) A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).Instruction. For computations regarding securities which represent a right to acquire an underlying security see Section 240.13d-3(d)(1). Item 5.Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following Instruction. Dissolution of a group requires a response to this item. Item 6.Ownership of More than Five Percent on Behalf of Another Person. Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. CIBC National Trust Company Item 8.Identification and Classification of Members of the Group. Item 9.Notice of Dissolution of Group. Item 10.Certification. (a) The following certification shall be included if the statement is filed pursuant to Section 240.13d-1(b): By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. (b) The following certification shall be included if the statement is filed pursuant to Section 240.13d-1(c): By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. CUSIP No. 294600200 13G Page x of x Pages After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. January 11, 2023 Date Mary E. Antunes/s/ Signature Mary E. Antunes, Executive Director, Private Wealth Compiance Name/Title