Earn up to $600 NOW through November 21

¹To be eligible for the checking account promotion, you must be 18 years of age or older. You or any owner(s) on your checking account cannot have an existing First Interstate Bank consumer checking, savings or CD account, must not have had one within the past 90 days, and must not have received a bonus from First Interstate for opening a new checking and/or savings account within the past 12 months. All account applications are subject to approval. Eligible accounts for this promotion include Simple Banking, Basic Checking, Select Checking, and Premier Checking accounts. To receive the bonus, you must open a new First Interstate Bank consumer checking account using the bonus code and make a $25 minimum deposit in a participating branch between October 6, 2025 and November 21, 2025. You must also complete three or more electronic deposits of $500 or more each within 90 days of account opening (“Qualification Period”) to earn the $300 bonus. Transfers from another First Interstate checking or savings account do not qualify as a required $500 electronic deposit. If you meet all qualifying criteria, the checking bonus will be credited to your new checking account within 45 days after the end of the Qualification Period. Account must be open and have a positive balance to receive the bonus. This offer is eligible for accounts opened online or in-branch in the following states: CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, and WY. This offer may be discontinued or changed at any time prior to the expiration date without notice. Bonus may be reported as income earned on IRS form 1099-MISC or 1042-S, as required by law, and recipient is responsible for any applicable taxes.

²To be eligible for the savings account promotion, you must be 18 years of age or older. You or any owner(s) on your savings account cannot have an existing First Interstate Bank consumer checking, savings, or CD account, must not have had one within the past 90 days, and must not have received a bonus from First Interstate for opening a new checking and/or savings account within the past 12 months. All account applications are subject to approval. Eligible account for this promotion includes Regular Savings account. To receive the bonus, you must open a new First Interstate Bank consumer savings account using the bonus code and make a $25 minimum deposit in a participating branch between October 6, 2025 and November 21, 2025. You must also deposit $10,000 in funds new to First Interstate Bank within 30 days of account opening and maintain this minimum balance for 90 consecutive days, beginning on the 31st day after account opening. To earn the $300 bonus, all qualifying activities must be completed. Your savings bonus will be credited to your new savings account within 45 days after the end of the 90-day balance maintenance period. Account must be open and have a positive balance to receive the bonus. This offer is eligible for accounts opened online or in-branch in the following states: CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, and WY. This offer may be discontinued or changed at any time prior to the expiration date without notice. Bonus may be reported as income earned on IRS form 1099-MISC or 1042-S, as required by law, and recipient is responsible for any applicable taxes.

³ U.S. checking or savings account required to use Zelle^®. Transactions between enrolled consumers typically occur in minutes. Zelle^® and the Zelle^® related marks are wholly owned by Early Warning Services, LLC and are used herein under license. This promotion is in no way sponsored, promoted, administered by or associated with Early Warning Services, LLC or Zelle^®.