X0306 4 2022-08-08 0001289419 Morningstar, Inc. MORN 0001411724 Lyons William M 22 WEST WASHINGTON ST CHICAGO IL 60602 1 0 0 0 Common Stock 2022-08-08 4 S 0 1882 249.7410 D 16451 D Common Stock 2022-08-08 4 S 0 618 250.4847 D 15833 D The transaction was executed in multiple trades at prices ranging from $249.2500 to $250.2290. 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. The transaction was executed in multiple trades at prices ranging from $250.2700 to $250.6360. 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. /s/ Patrick Maloney, by power of attorney 2022-08-10