MH · McGraw Hill, Inc.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.12 to $11.1499, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

On April 1, 2026, the Reporting Person received a grant of 86,842 restricted stock units ("RSUs") that vest in three equal annual installments on each of April 1, 2027, April 1, 2028 and April 1, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

On April 1, 2026, the Reporting Person received a grant of 36,842 restricted stock units ("RSUs") that vest in three equal annual installments on each of April 1, 2027, April 1, 2028 and April 1, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

On April 1, 2026, the Reporting Person received a grant of 36,842 restricted stock units ("RSUs") that vest in three equal annual installments on each of April 1, 2027, April 1, 2028 and April 1, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

On April 1, 2026, the Reporting Person received a grant of 42,105 restricted stock units ("RSUs") that vest in three equal annual installments on each of April 1, 2027, April 1, 2028 and April 1, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

On April 1, 2026, the Reporting Person received a grant of 8,473 restricted stock units ("RSUs") that vest in three equal annual installments on each of April 1, 2027, April 1, 2028 and April 1, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

On February 17, 2026, the Reporting Person received a grant of 108,381 RSUs that vest one-third on February 17, 2026, and the remaining two-thirds to vest in equal installments on each of February 9, 2027 and February 9, 2028, subject to the Reporting Person's continued employment with the Issuer through each such date.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.415 to $13.895, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

The reporting person indirectly beneficially owns these securities through The Gail T Reinemund Irrevocable Trust FBO. The reporting person is trustee of the trust, and members of his immediate family are the sole beneficiaries of the trust.

On February 9, 2026, the Reporting Person received a grant of 277,585 restricted stock units ("RSUs") that vest in three equal annual installments on each of February 9, 2027, February 9, 2028 and February 9, 2029, subject to the Reporting Person's continued employment with the Issuer through each such date. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.800 to $15.485, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

The reporting person indirectly beneficially owns these securities through The Gail T Reinemund Irrevocable Trust FBO. The reporting person is trustee of the trust, and members of his immediate family are the sole beneficiaries of the trust.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

Options which vest in five substantially equal annual installments beginning on March 31, 2026, March 31, 2027, March 31, 2028, March 31, 2029 and March 31, 2030.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

On 7/23/2025, the Reporting Person received a grant of 10,882 restricted stock units ("RSUs") that vest on 7/23/2026. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

On 7/23/2025, the Reporting Person received a grant of 10,882 restricted stock units ("RSUs") that vest on 7/23/2026. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.

Options which vest in five substantially equal annual installments beginning on June 30, 2026, June 30, 2027, June 30, 2028, June 30, 2029 and June 30, 2030.

The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 7/23/2025 (the "Lock-up Date"), between the Reporting Person and Goldman Sachs & Co. LLC, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date.

On 7/23/2025, the Reporting Person received a grant of 10,882 restricted stock units ("RSUs") that vest on 7/23/2026. Each RSU represents the right to receive one (1) share of Common Stock upon vesting of the unit.