GREAT WESTERN BANK

Great Western Bank was established in August 1935 and headquartered in Sioux Falls, South Dakota. The bank operated as a subsidiary of Great Western Bancorp, Inc.. Great Western Bank was classified as a commercial bank, state charter and Fed nonmember, supervised by the FDIC. Great Western Bank is no longer doing business under that name. To view branches, routing numbers, phone numbers and business hours; you can check First Interstate Bank page.

Below is a list of some important events in banks history, including mergers and acquisitions.

DATEEVENT

1935-08-05 -Institution established. Original name: Farmers and Merchants Bank of Watertown.

1967-03-07 -Changed Institution Name to Farmers and Merchants Bank and Trust of Watertown.

1978-12-19 -Acquired First Security Bank (6073) in Morristown, SD.

1996-06-03 -Changed Institution Name to F&m Bank.

1996-06-03 -Acquired American Federal Bank, A Federal Savings Bank (29242) in Madison, SD.

1998-03-27 -Acquired First Savings and Loan Association of South Dakota, Inc. (32161) in Aberdeen, SD.

2001-03-30 -Acquired Founders Trust National Bank (34109) in Sioux Falls, SD.

2002-03-01 -Acquired Marquette Bank Nebraska, National Association (5458) in O'neill, Ne.

2002-03-01 -Acquired First Western Bank, National Association (5378) in Atkinson, NE.

2003-03-03 -Changed Institution Name to Great Western Bank.

2003-05-30 -Acquired Great Western Bank (25259) in Rapid City, SD.

2006-02-04 -Acquired Security Bank, Madison, South Dakota (16220) in Madison, SD.

2007-01-12 -Acquired Great Western Bank (35516) in Clive, IA.

2007-01-12 -Acquired Great Western Bank (8327) in Omaha, NE.

2007-05-11 -Acquired Sunstate Bank (25333) in Casa Grande, AZ.

2009-05-29 -Acquired International Bank (57223) in Greeley, CO.

2010-04-23 -Acquired F&m Bank-Iowa Central (10904) in Marshalltown, IA.

2010-06-04 -Acquired TierOne Bank (29341) in Lincoln, NE as part of a government assisted merger.

2012-06-22 -Acquired First Federal Savings Bank of Iowa (30742) in Fort Dodge, IA.

2016-05-16 -Acquired Home Federal Bank (28092) in Sioux Falls, SD.

2017-07-05 -Main Office moved to 225 S. Main Ave., Sioux Falls, SD 57104.

2022-02-01 -Merged and became part of First Interstate Bank (1105) in Billings, MT.