Portland State Bank
| Status: | Inactive as of 06/07/1991 |
| Merger - Without Assistance | |
| Successor Bank: | Frost Bank |
| Headquarters: | Portland State Bank 500 West Broadway Portland, TX 78374 |
| Established: | 08/23/1958 |
| FDIC Insurance: | 08/23/1958 |
| FDIC Cert: | #17896 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $38,736,000 |
| Total Deposits: | $36,103,000 |
History
| 1958-08-23 | Institution established: Original name:Portland State Bank | |
| 1986-12-23 | Reorganized. | |
| 1991-06-07 | Merged into and subsequently operated as part of The Frost National Bank of San Antonio (5510) in SAN ANTONIO, TX | |
| 1993-02-13 | Acquired New First City, Texas - San Antonio, National Association (33729) in SAN ANTONIO, TX | |
| 1993-02-13 | Acquired New First City, Texas - Austin, National Association (33714) in AUSTIN, TX | |
| 1993-10-01 | Changed name to The Frost National Bank (5510) | |
| 1993-11-05 | Acquired Cullen Center Bank & Trust (19988) in HOUSTON, TX | |
| 1994-04-14 | Acquired Texas Commerce Bank - Corpus Christi, National Association (18557) in CORPUS CHRISTI, TX | |
| 1995-05-19 | Acquired National Commerce Bank (26463) in HOUSTON, TX | |
| 1995-06-23 | Acquired The Valley National Bank (20513) in MCALLEN, TX | |
| 1996-03-22 | Acquired State Bank and Trust Company (8450) in SAN MARCOS, TX | |
| 1996-06-07 | Acquired Park National Bank of Houston (25757) in HOUSTON, TX | |
| 1997-03-07 | Acquired Citizens State Bank of Corpus Christi (16295) in CORPUS CHRISTI, TX | |
| 1998-01-02 | Acquired Harrisburg Bank, Houston, Texas (3261) in HOUSTON, TX | |
| 1998-05-29 | Acquired Overton Bank and Trust, National Association (22650) in FORT WORTH, TX | |
| 1999-01-14 | Acquired Keller State Bank (20469) in KELLER, TX | |
| 1999-05-20 | Acquired Bank of Commerce (15795) in FORT WORTH, TX | |
| 2000-05-26 | Acquired United States National Bank of Galveston (3212) in GALVESTON, TX | |
| 2005-10-07 | Acquired Horizon Capital Bank (18929) in HOUSTON, TX | |
| 2006-02-09 | Acquired Texas Community Bank and Trust, National Association (25296) in DALLAS, TX | |
| 2006-06-23 | Acquired Alamo Bank of Texas (10361) in ALAMO, TX | |
| 2006-12-08 | Acquired Summit Bank, National Association (21881) in FORT WORTH, TX | |
| 2012-06-22 | Changed name to Frost Bank (5510) | |
| 2012-06-22 | Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to FEDERAL RESERVE BOARD | |
| 2012-06-22 | Changed institution class to INSURED COMMERCIAL OR SAVINGS BANKS, STATE, MEMBERS FRS | |
| 2012-10-25 | Reorganized. | |
| 2014-06-21 | Acquired Western National Bank (22482) in ODESSA, TX |