X0508 4 2023-11-30 0001289419 Morningstar, Inc. MORN 0001324069 Mansueto Joseph D 22 W. WASHINGTON CHICAGO IL 60602 1 1 1 0 Executive Chairman 1 Common Stock 2023-11-30 5 G 0 E 47625 0 D 11294880 D Common Stock 4399695 I By Trust Common Stock 150000 I By Trust The shares are held in grantor retained annuity trusts for the benefit of the reporting person and his children. The reporting person serves as trustee of the grantor retained annuity trusts. 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. /s/ Kathleen Peacock, by power of attorney 2023-12-06