Item 10. Directors, Executive Officers and Corporate Governance

CMS Energy

CMS Energy has adopted an insider trading compliance policy and program applicable to directors, executive officers and employees, as well as CMS Energy itself. CMS Energy believes this policy is reasonably designed to promote compliance with insider trading laws, rules and regulations, and the New York Stock Exchange listing standards. A copy of the insider trading policy is filed as Exhibit 19.1 to this Form 10‑K. Additional information that is required in Item 10 of this Form 10‑K regarding executive officers is included in the Item 1. Business—Information About CMS Energy’s and Consumers’ Executive Officers section, which is incorporated by reference herein.

Information that is required in Item 10 of this Form 10‑K regarding directors, executive officers, and corporate governance is incorporated by reference from CMS Energy’s and Consumers’ definitive proxy statement for their 2026 Annual Meetings of Shareholders to be held May 8, 2026. The proxy statement will be filed with the SEC, pursuant to Regulation 14A under the Exchange Act, within 120 days after the end of the fiscal year covered by this Form 10‑K, all of which information is hereby incorporated by reference in, and made part of, this Form 10‑K.

Code of Ethics

CMS Energy has adopted an employee code of ethics, entitled “CMS Energy Code of Conduct and Guide to Ethical Business Behavior” (Employee Code) that applies to its CEO, CFO, and CAO, as well as all other officers and employees of CMS Energy and its affiliates. The Employee Code is administered by the Chief Compliance Officer of CMS Energy, who reports directly to the Audit Committee. CMS Energy has also adopted a director code of ethics entitled “Board of Directors Code of Conduct and Guide to Ethical Business Behavior” (Director Code) that applies to its directors. The Director Code is administered by the Audit Committee. Any alleged violation of the Director Code by a director will be investigated by disinterested members of the Audit Committee, or if none, by disinterested members of the entire Board. The Employee Code and Director Code and any waivers of, or amendments or exceptions to, a provision of the Employee Code that applies to CMS Energy’s CEO, CFO, CAO or persons performing similar functions and any waivers of, or amendments or exceptions to, a provision of CMS Energy’s Director Code will be disclosed on CMS Energy’s website at www.cmsenergy.com/corporate-governance/compliance-and-ethics.

Consumers

Consumers has adopted an insider trading compliance policy and program applicable to directors, executive officers and employees, as well as Consumers itself. Consumers believes this policy is reasonably designed to promote compliance with insider trading laws, rules and regulations, and the New York Stock Exchange listing standards. A copy of the insider trading policy is filed as Exhibit 19.1 to this Form 10‑K. Additional information that is required in Item 10 of this Form 10‑K regarding executive officers is included in the Item 1. Business—Information About CMS Energy’s and Consumers’ Executive Officers section, which is incorporated by reference herein.

Information that is required in Item 10 of this Form 10‑K regarding directors, executive officers, and corporate governance is incorporated by reference from CMS Energy’s and Consumers’ definitive proxy statement for their 2026 Annual Meetings of Shareholders to be held May 8, 2026. The proxy statement

will be filed with the SEC, pursuant to Regulation 14A under the Exchange Act, within 120 days after the end of the fiscal year covered by this Form 10‑K, all of which information is hereby incorporated by reference in, and made part of, this Form 10‑K.

Code of Ethics

Consumers has adopted an employee code of ethics, entitled “CMS Energy Code of Conduct and Guide to Ethical Business Behavior” (Employee Code) that applies to its CEO, CFO, and CAO, as well as all other officers and employees of Consumers and its affiliates. The Employee Code is administered by the Chief Compliance Officer of Consumers, who reports directly to the Audit Committee. Consumers has also adopted a director code of ethics entitled “Board of Directors Code of Conduct and Guide to Ethical Business Behavior” (Director Code) that applies to its directors. The Director Code is administered by the Audit Committee. Any alleged violation of the Director Code by a director will be investigated by disinterested members of the Audit Committee, or if none, by disinterested members of the entire Board. The Employee Code and Director Code and any waivers of, or amendments or exceptions to, a provision of the Employee Code that applies to Consumers’ CEO, CFO, CAO or persons performing similar functions and any waivers of, or amendments or exceptions to, a provision of Consumers’ Director Code will be disclosed on Consumers’ website at www.cmsenergy.com/corporate-governance/compliance-and-ethics.