Merger Updates Conversion Update

Your accounts will continue to be federally insured just as they are today through the National Credit Union Share Insurance Fund, which is backed by the full faith and credit of the U.S. Government and managed by the National Credit Union Administration (NCUA).

You can continue to use Great Lakes branch. We cannot begin integrating the operations of the two credit unions until after the system conversion date of April 30, 2027. Great Lakes members will be notified as soon as the additional branches are connected.

Credit Union 1 ATMs are available for anyone to use; however, we cannot begin integrating the operations of the two credit unions until after the system conversion date of April 30, 2027, so you may incur a fee until that time. Once the merger is effective, you will have access to all Credit Union 1 ATMs at no charge along with more than 130,000 CO-OP surcharge-free ATMs nationwide through the Allpoint, CO-OP, and MoneyPass networks.

Yes, your account number will change on April 30, 2027. Be sure to update any external parties—such as your employer (for payroll), service providers (for ACH transactions), or lenders—with your new Credit Union 1 (CU1) routing and account numbers.

To find your new account number after the system conversion:

1. Log in to Digital Banking.
2. Go to the ‘Menu’, then select ‘Services’, followed by ‘Setup Direct Deposits’.
3. Here, you can use ClickSwitch to update your direct deposits and ACH transactions, or scroll down to download a PDF with your account details.

Yes, the routing number will also change on April 30, 2027. The new CU1 routing number is #271188081. You can find it in Digital Banking by scrolling to the Move Money tile, or at the bottom of the cu1.com website.

Yes, but not until the system conversion.

• Continue using Great Lakes online/mobile banking through April 30, 2027.
• Starting two days after the system conversion date, switch to Credit Union 1’s Digital Banking platform and mobile app, offering convenient access anytime, anywhere. You can register for Digital Banking two days after the system conversion date.

Yes. Continue using your Great Lakes Federal Credit Union debit card. Communications will be sent out closer to the operational date of when you will begin using your new Credit Union 1 debit card.

Until the system conversion date of April 30, 2027, none of your account terms will change. Whether or not they will change after the system conversion date depends on the type of account.

Loans | Your existing loan contract will remain in effect until the loan is paid off.

Share Certificates | The terms of your existing share certificate will remain in effect until the maturity date.

Savings & Checking | Rates and terms on these accounts are subject to change at the time of the merger date. You will receive a CU1 Membership Agreement and Account Disclosures before the merger date.

Credit Cards | Credit Union 1 offers an array of credit card options with competitive rates and exciting rewards. More information will be provided after the system conversion date of April 30, 2027.