<ACCESSION-NUMBER>0000019612-19-000022 <TYPE>425 <PUBLIC-DOCUMENT-COUNT>3 <FILING-DATE>20190128 <DATE-OF-FILING-DATE-CHANGE>20190128 <SUBJECT-COMPANY> <COMPANY-DATA> <CONFORMED-NAME>TCF FINANCIAL CORP <CIK>0000814184 <ASSIGNED-SIC>6021 <IRS-NUMBER>411591444 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>425 <ACT>34 <FILE-NUMBER>001-10253 <FILM-NUMBER>19546062 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>200 LAKE STREET EAST <STREET2>MAIL CODE EX-03-A <CITY>WAYZATA <STATE>MN <ZIP>55391-1693 <PHONE>952-745-2760 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>200 LAKE STREET EAST <STREET2>MAIL CODE EX-03-A <CITY>WAYZATA <STATE>MN <ZIP>55391-1693 </MAIL-ADDRESS> </SUBJECT-COMPANY> <FILED-BY> <COMPANY-DATA> <CONFORMED-NAME>CHEMICAL FINANCIAL CORP <CIK>0000019612 <ASSIGNED-SIC>6022 <IRS-NUMBER>382022454 <STATE-OF-INCORPORATION>MI <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>425 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>333 W. FORT STREET <STREET2>SUITE 1800 <CITY>DETROIT <STATE>MI <ZIP>48226 <PHONE>800-867-9757 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>333 W. FORT STREET <STREET2>SUITE 1800 <CITY>DETROIT <STATE>MI <ZIP>48226 </MAIL-ADDRESS> </FILED-BY>