Summit Midstream Corp
For the period ended May 7, 2026. Filed Apr 10, 2026.
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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.
May 7, 2026 · Filed Apr 10, 2026
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 14A Information
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Proxy Statement Pursuant to Section 14(a) of the
Securities and Exchange Act of 1934 (Amendment No. )
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| ☐ | Preliminary Proxy Statement |
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| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☒ | Definitive Proxy Statement |
| ☐ | Definitive Additional Materials |
| ☐ | Soliciting Material under §240.14a-12 |
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April 10, 2026
Dear Fellow Summit Investors,
As we invite you to attend our virtual 2026 Annual Meeting of Stockholders (the “2026 Annual Meeting”), we thank you for your investment in Summit Midstream Corporation, a Delaware corporation (“Summit” or the “Company”), and are pleased to provide you with a brief update on the Company.
Summit delivered another year of solid financial and operating results in 2025, ending the year with lower total leverage to Adjusted EBITDA while also expanding our operating footprint in the DJ Basin, entering into long-term contracts to grow our base business in the Williston and Permian Basins, and reinstating the quarterly cash dividend on our Series A Preferred Stock.
During 2025, we executed on key initiatives to expand and strengthen our business. We saw improvement in safety performance from the safety action plan we implemented in 2025. We completed the bolt-on acquisition of Moonrise Midstream in the DJ Basin, expanding our DJ footprint with approximately 80 miles of natural gas pipeline and added 65 million cubic feet per day of processing capacity, enhancing our ability to serve growing volumes in our Rockies Segment. We also reinstated the quarterly cash dividend on our Series A Preferred Stock — the first such payment since 2020 — marking an important step toward resuming a dividend on our common stock in the future. Additionally, we executed new long-term commercial agreements that underpin our future growth. In the Williston Basin, we signed a 10-year extension of a key gathering contract with an existing customer and entered into a large acreage dedication with a new customer. We have also secured new precedent agreements for firm service on the Double E Pipeline for the remaining primary firm forward-haul capacity. Each of these strategic moves — bolt-on acquisition, reinstating the corporate preferred dividend, and securing new contractual commitments — demonstrates the growth opportunities behind our existing footprint and positioned us to effectively pursue further opportunities in 2026.
As announced with our fourth quarter 2025 earnings and guidance, we have secured sufficient commitments on the existing forward-haul capacity on Double E Pipeline to launch an open season for new capacity from a proposed mainline compression project and closed the refinancing of the asset-level term loan on Summit’s interest in Double E, including proceeds enabling us to repay the Company’s revolver borrowings and the accrued and unpaid dividends on its Series A Preferred Stock. The repayment of arrears on the corporate preferred is another step to simplify Summit’s balance sheet and towards resuming dividend payments on its Common Stock.
I want to thank Marguerite Woung-Chapman for her service to the Company. Marguerite retired from the Board on March 15, 2026 after serving for almost 6 years. Her expertise and judgment in governance, compliance, risk management, and legal operations have been critical to achieving the progress the company has made since her service on the Board began in May 2020. I can say for myself and on behalf of the Board and management team that she will be truly missed. I am also very pleased to welcome Carolyn J. Stone, who joined the Board on March 16, 2026 after an extensive search for a new member with established financial expertise. Carolyn has extensive experience in public company financial accounting and reporting, auditing, and business operations. We are excited to now have the benefit of her contributions on the Board. These changes reflect our commitment to strong governance, diversity of experience, and orderly board succession as we pursue Summit’s long-term objectives.
On behalf of the Board, thank you for your commitment to Summit.
At this year’s meeting, holders of the Company’s common stock, par value $0.01 per share (“common stockholders”), and holders of the Class B Common Stock, par value $0.01 per share (“Class B stockholders” and, together with the common stockholders, “stockholders”), voting together as a single class, will be asked to elect three Class II directors to our board of directors (the “Board”), ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026, approve an advisory resolution on our executive compensation, and approve an amendment to our long-term incentive plan (“LTIP”); while Class B stockholders,
voting separately as a class, will also be asked to elect one Class II director to the Board. The Board unanimously recommends that stockholders vote for each of the nominees for director (as applicable) and vote to approve each of the other proposals. Please read our proxy statement for further details about the proposals.
On or about April 10, 2026, we are sending stockholders who are holders of record on March 31, 2026, the record date for the meeting, a set of our proxy materials, including our proxy statement and our Annual Report on Form 10-K for the year ended December 31, 2025. On such date, you will have the ability to access all of our proxy materials over the Internet atwww.astproxyportal.com/ast/29242.
Your vote is important to us and our business. Except for the proposal to ratify the appointment of Deloitte & Touche LLP, your broker cannot vote your common stock on your behalf until your broker receives your voting instructions. Whether or not you plan to attend the 2026 Annual Meeting, please submit your proxy with voting instructions as soon as possible. You may submit your proxy over the Internet or by mail. To vote your shares electronically during the virtual 2026 Annual Meeting, you will need your control number found on your proxy card or voting instruction form.
Thank you for your investment in Summit Midstream Corporation.
Sincerely,
J. Heath Deneke
Chairman of the Board, President
and Chief Executive Officer of
NOTICE OF 2026 ANNUAL MEETING OF STOCKHOLDERS
| Date and Time: | Thursday, May 7, 2026 at 2:00 p.m. Central Time |
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| Place: | Our 2026 Annual Meeting of Stockholders (the “2026 Annual Meeting”) will be held virtually via live webcast at https://edge.media-server.com/mmc/p/gywwmbpa (password: Summit2026). |
| Participation: | Please see “Questions and Answers about the 2026 Annual Meeting” for more information about attending the 2026 Annual Meeting, voting your shares of common stock, par value $0.01 per share (“common stock”), and Class B Common Stock, par value $0.01 per share (“Class B Common Stock”), in Summit Midstream Corporation, a Delaware corporation (“Summit” or the “Company”), and submitting questions during the 2026 Annual Meeting. |
| Agenda: | To elect three Class II directors and, by Class B stockholders, one Class II Class B director to serve until our annual meeting of stockholders to be held in 2029 or until their successors are elected and have been qualified; • To ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026; • To approve an advisory resolution on executive compensation; • To approve an amendment to Summit’s long-term incentive plan (“LTIP”); and • To transact any other business properly brought before the meeting or any adjournments thereof. |
| Record Date: | Only stockholders who are holders of record as of the close of business on March 31, 2026 (the “record date”) are entitled to vote at the 2026 Annual Meeting. |
| Voting: | YOUR VOTE IS IMPORTANT. Whether or not you plan to attend the 2026 Annual Meeting, please submit your proxy with voting instructions as soon as possible. • If you are a stockholder who is a holder of record, you may submit your proxy over the Internet or by mail as described on the proxy card. • If you hold your shares of common stock through a broker or other nominee, please follow the instructions that you receive from your broker or other nominee to ensure that your shares of common stock are voted. Submitting your proxy will not prevent you from attending the 2026 Annual Meeting and voting during the 2026 Annual Meeting. We are sending stockholders who are holders of record at the close of business on the record date a set of our proxy materials, including our proxy statement and our Annual Report on Form 10-K for the year ended December 31, 2025. Upon receipt of a set of our proxy materials, you will also have the ability to access all of our proxy materials over the Internet at www.astproxyportal.com/ast/29242. |
By order of the Board of Directors,
James D. Johnston
Executive Vice President, General Counsel,
Chief Compliance Officer and Secretary of
910 Louisiana Street, Suite 4200
Houston, Texas 77002
Important Notice Regarding the Availability of Proxy Materials for the
2026 Annual Meeting of Stockholders to be Held on Thursday, May 7, 2026:
Our proxy statement and our Annual Report on Form 10-K for the year ended
December 31, 2025 are available atwww.astproxyportal.com/ast/29242
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.