| Id | Content |
|---|---|
| F1 | The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2020. |
| F2 | The transaction was executed in multiple trades at prices ranging from $262.29 to $263.28. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F3 | The transaction was executed in multiple trades at prices ranging from $263.29 to $263.81. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F4 | The transaction was executed in multiple trades at prices ranging from $262.17 to $262.21. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F5 | The transaction was executed in multiple trades at prices ranging from $263.27 to $264.22. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F6 | The transaction was executed in multiple trades at prices ranging from $264.31 to $265.29. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F7 | The transaction was executed in multiple trades at prices ranging from $265.36 to $266.33. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected. |
| F8 | On August 23, 2021, the reporting person contributed shares of Morningstar common stock to grantor retained annuity trusts for the benefit of the reporting person and his children. |
| F9 | The shares are held in trusts for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trusts. |