{"url_path":"/sec/amg/13dg/2026-02-13/000090572926000041","section_key":"body","section_title":"SCHEDULE 13G/A body","topic":"sec","document":{"doc_type":"SCHEDULE 13G/A","doc_date":"2026-02-13","source_url":"https://www.sec.gov/Archives/edgar/data/1004434/0000905729-26-000041-index.html","accession_number":"0000905729-26-000041","cik":"0001004434","ticker":"AMG","issuer_name":"AFFILIATED MANAGERS GROUP, INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1004434/0000905729-26-000041-index.html","primary_entity_key":"0001004434","primary_entity_name":"AFFILIATED MANAGERS GROUP, INC."},"word_count":309,"has_tables":true,"body_markdown":"EX-99.1\n2\naffiliatedex991_021423.htm\nJOINT FILING AGREEMENT\n\n**EXHIBIT 99.1**\n\n** **\n\n**Joint Filing Agreement**\n\nThe undersigned acknowledge and\nagree that the Schedule 13G with respect to beneficial ownership by the undersigned of shares of Common Stock, par value $0.01 per share,\nof Affiliated Managers Group, Inc. filed on or about the date hereof is being filed on behalf of each of the undersigned in accordance\nwith Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, and that all subsequent amendments to such Schedule\n13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned\nacknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information\nconcerning each such person or entity contained therein, but shall not be responsible for the completeness and accuracy of the information\nconcerning the others, except to the extent that such person or entity knows or has reason to believe that such information is inaccurate.\nThis agreement may be executed in any number of counterparts, each of which shall be deemed an original, but all of which counterparts\ntaken together shall constitute one and the same instrument.\n\nCLARKSTON CAPITAL PARTNERS, LLC\n\nBy:\n/s/ Jeffrey A. Hakala\n\nFebruary 14, 2023\n\nName:\nJeffrey A. Hakala\n\nTitle:\nChief Executive Officer\n\nCLARKSTON COMPANIES, INC.\n\nBy:\n/s/ Jeffrey A. Hakala\n\nFebruary 14, 2023\n\nName:\nJeffrey A. Hakala\n\nTitle:\nChief Executive Officer and President\n\nMODELL CAPITAL LLC\n\nBy:\n/s/ Jeremy J. Modell\n\nFebruary 14, 2023\n\nName:\nJeremy J. Modell\n\nTitle:\nMember\n\nJEFFREY A. HAKALA\n\nBy:\n/s/ Jeffrey A. Hakala\n\nFebruary 14, 2023\n\nName:\nJeffrey A. Hakala\n\nGERALD W. HAKALA\n\nBy:\n/s/ Gerald W. Hakala\n\nFebruary 14, 2023\n\nName:\nGerald W. Hakala\n\nJEREMY J. MODELL\n\nBy:\n/s/ Jeremy J. Modell\n\nFebruary 14, 2023\n\nName:\nJeremy J. Modell\n\nPage 13 of 13"}