1st Oak Brook Bank
| Status: | Inactive as of 08/29/1994 |
| Merger - Without Assistance | |
| Successor Bank: | Oak Brook Bank |
| Headquarters: | 1st Oak Brook Bank 2200 Waukegan Road Glenview, IL 60025 |
| Established: | 02/09/1953 |
| FDIC Insurance: | 04/01/1954 |
| FDIC Cert: | #17316 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $157,167,000 |
| Total Deposits: | $142,774,000 |
History
| 1953-02-09 | Institution established: Original name:Broadview-Westchester State Bank | |
| 1978-10-19 | Changed name to Liberty Bank | |
| 1990-03-15 | Changed name to Oak Brook Bank/Liberty | |
| 1990-03-31 | Reorganized. | |
| 1991-08-16 | Moved bank headquarters from BROADVIEW, IL to GLENVIEW, IL | |
| 1991-08-16 | Changed name to 1st Oak Brook Bank | |
| 1991-08-16 | Acquired First Oak Brook Bank/Addison (20439) in ADDISON, IL | |
| 1994-08-29 | Merged into and subsequently operated as part of Oak Brook Bank (18498) in OAK BROOK, IL | |
| 2006-11-02 | Merged into and subsequently operated as part of MB Financial Bank, National Association (3628) in CHICAGO, IL | |
| 2009-02-27 | Acquired Heritage Community Bank (20078) in GLENWOOD, IL as part of a government assisted transaction. | |
| 2009-09-04 | Acquired InBank (20203) in OAK FOREST, IL as part of a government assisted transaction. | |
| 2009-09-11 | Acquired Corus Bank, National Association (13693) in CHICAGO, IL as part of a government assisted transaction. | |
| 2009-12-04 | Acquired Benchmark Bank (10440) in AURORA, IL as part of a government assisted transaction. | |
| 2010-04-23 | Acquired New Century Bank (34821) in CHICAGO, IL as part of a government assisted transaction. | |
| 2010-04-23 | Acquired Broadway Bank (22853) in CHICAGO, IL as part of a government assisted transaction. | |
| 2014-08-18 | Acquired Cole Taylor Bank (22599) in CHICAGO, IL | |
| 2016-08-24 | Acquired American Chartered Bank (27006) in SCHAUMBURG, IL | |
| 2019-05-04 | Merged into and subsequently operated as part of Fifth Third Bank (6672) in CINCINNATI, OH | |
| 2019-11-14 | Changed institution class to INSURED COMMERCIAL BANK, NATIONAL, MEMBER FRS | |
| 2019-11-14 | Changed name to Fifth Third Bank, National Association (6672) | |
| 2019-11-14 | Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to COMPTROLLER OF THE CURRENCY |