McGraw Hill, Inc.

During the nine months ended December 31, 2025, none of our directors or executive officers adopted, modified, orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

The Company intends to host its first annual meeting of stockholders on August 11, 2026 at 9:00 a.m. Eastern Time (the “2026 Annual Meeting”). The 2026 Annual Meeting will be held virtually via live webcast. The record date for determination of stockholders entitled to vote at the 2026 Annual Meeting, and any adjournment thereof, will be the close of business on June 15, 2026.

Company stockholders who wish to have a proposal considered for inclusion in the Company’s proxy materials for the 2026 Annual Meeting (the “Proxy Materials”) pursuant to Rule 14a-8 under the Securities Exchange Act of 1934, as amended, must ensure that such proposal is received by the Company’s Corporate Secretary at 8787 Orion Place, Columbus, Ohio 43240 no later than the close of business on March 6, 2026, which the Company has determined to be a reasonable time before it expects to begin to print and send the Proxy Materials. Any such proposal must also meet the requirements set forth in the rules and regulations of the Securities and Exchange Commission in order to be eligible for inclusion in the Proxy Materials.