Altabancorp 2021 Special Meeting

Shareholder Materials

SPECIAL MEETING PROXY STATEMENT

View an enhanced version of our Special Meeting Proxy Statement.

The primary purpose of the Special Meeting is to request shareholder approval of the merger transaction between Glacier Bancorp, Inc. (Nasdaq: GBCI), Glacier Bank, Altabancorp, and Altabank.

Voting

Your vote is Important!

Please be sure to vote your shares online or by phone by dialing 866-221-8481.

VOTE NOW

Special Meeting Information

REGISTER!

Virtual Meeting

Sale 20%

Deadline to Register*
August 27, 2021
5:00 PM MT
*Note: You must register by the
deadline to be eligible to
attend the meeting.

Sale 20%

Date & Time

Sale 20%

August 31, 2021
8:00 AM MT

About Us

Altabancorp^TM (Nasdaq: ALTA) is the bank holding company for Altabank^TM, a full-service bank, providing loans, deposit and cash management services to businesses and individuals through 25 branch locations from Preston, Idaho to St. George, Utah. Altabank^TM is the largest community bank in Utah. Our clients have direct access to bankers and decision-makers who work with clients to understand their specific needs and offer customized financial solutions. AltabankTM has been serving communities in Utah and southern Idaho for more than 100 years.

Altabancorp

1 E Main Street
American Fork, UT 84003
Phone: 801-642-3998

Investor Relations Contact:

Mark K. Olson
EVP/Chief Financial Officer
InvestorRelations@altabancorp.com
Phone: 801-642-3998