CMS Energy will hold its virtual annual meeting of shareholders on May 8, 2026 at virtualshareholdermeeting.com/CMS2026. Shareholders will vote on the election of 11 director nominees, an advisory vote on executive compensation, and ratification of PricewaterhouseCoopers as independent registered public accounting firm for 2026. CMS shareholders will also vote on amendments to increase authorized common shares to 700 million from 350 million, and to allow shareholders holding 10% of outstanding shares to call a special meeting. CMS shareholders will also vote on a shareholder proposal to allow shareholders to act by written consent.

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