Company Executives

Management Team

From the proxy statement filed Mar 31, 2026

Officer	Age	In this role	Joined	2025 pay
Clint E. Stein Also a director Chair, CEO, President Title from the Form 4 dated Mar 13, 2026	54	Not stated	Not stated	$7,712,345
Ivan A. Seda Executive Vice President, Chief Financial Officer and Principal Financial Officer	42	Since 2025 1 year	2025	$1,149,815
Drew K. Anderson Executive Vice President, Chief Administrative Officer	40	Not stated	Not stated	Not reported
Kumi Yamamoto Baruffi Executive Vice President, General Counsel and Corporate Secretary	55	Not stated	Not stated	Not reported
Judi A. Giem Executive Vice President, Chief Human Resources Officer	61	Not stated	Not stated	Not reported
Brock Lakely Executive Vice President, Chief Accounting Officer and Corporate Controller	46	Since 2025 1 year	Not stated	Not reported
David Moore Devine Executive Vice President, Chief Marketing Officer	48	Not stated	Not stated	Not reported
Frank D. Namdar Executive Vice President, Chief Credit Officer	60	Not stated	Not stated	Not reported
Andrew H. Ognall Executive Vice President, Chief Risk Officer	54	Since 2025 1 year	Not stated	Not reported
Christopher M. Merrywell Senior Executive Vice President, Columbia Bank President of Consumer Banking	60	Since 2023 3 years	Not stated	Not reported
Torran B. Nixon Senior Executive Vice President, Columbia Bank President of Commercial Banking	64	Since 2023 3 years	Not stated	$3,452,703
Aaron James Deer EVP Chief Strategy/Innov Offcr Title from the Form 4 dated Jun 30, 2026	57	Not stated	Not stated	Not reported

Each officer opens the passage of the filing that names them. A title that changed since the list comes from the officer's latest Form 3, 4 or 5, and its start year is not stated there. "Not stated" means the filing does not say. Pay is the proxy's Summary Compensation Table, which reports only the named executive officers.

Board of Directors

From the proxy statement filed Mar 31, 2026

Directors

serving now

Independent

12 of 13

stated in the proxy; 1 not stated

Average tenure

8.5 years

from year joined

CEO also chairs the board

Yes

Clint E. Stein

Director	Age	On board	Independent	Committees	Other public boards	2025 pay
Clint E. Stein Board chair, CEO	54	2020 6 years	Not independent	None stated	None stated	Paid as CEO
Luis F. Machuca Lead independent director	68	2010 16 years	Independent	▪Nominating and Governance Committee · Chair ▪Compensation Committee ▪Technology Committee	GigCapital8 Corp.	$198,214
Mark A. Finkelstein	67	2014 12 years	Independent	▪Compensation Committee ▪Nominating and Governance Committee ▪Technology Committee	None stated	$194,714
Eric S. Forrest	58	2017 9 years	Independent	None stated	None stated	$187,978
Steven R. Gardner	65	2025 1 year	Not stated	None stated	None stated	$733,333
Randal L. Lund	68	2017 9 years	Independent	None stated	None stated	$207,014
M. Christian Mitchell	71	2025 1 year	Independent	None stated	Parsons Corporation	$87,101
John F. Schultz	61	2015 11 years	Independent	▪Technology Committee · Chair ▪Audit Committee	None stated	$189,164
Elizabeth W. Seaton	65	2014 12 years	Independent	None stated	None stated	$204,614
Jaynie Miller Studenmund	71	2025 1 year	Independent	▪Compensation Committee ▪Nominating and Governance Committee	None stated	$85,226
Hilliard C. Terry, III	56	2010 16 years	Independent	▪Compensation Committee · Chair ▪Nominating and Governance Committee ▪Technology Committee	Asbury Automotive Group, Inc.	$195,314
Anddria Varnado	40	2018 8 years	Independent	▪Audit Committee ▪Technology Committee	Red Robin Gourmet Burgers, Inc.	$189,164
Pope Leaving at the meeting Lead independent director	Not stated	Not stated	Independent	None stated	None stated	Not stated
Numata Leaving at the meeting	Not stated	Not stated	Independent	None stated	None stated	Not stated

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

1 disclosed in the proxy filed Mar 31, 2026

Mr. Gardner

former board chair, chief executive officer and president of Pacific Premier

$2.2 million

one year and one day following September 2, 2025

Consulting agreement under which Mr. Gardner provides integration, client relations, investor relations and other strategic services for one year and one day, for payment in monthly installments.

With Columbia and Columbia Bank Open in proxy

The proxy also says directors, officers or their families deal with the company in the ordinary course of business, on the same terms as others. Those are not conflicts and are not listed. Read it in the proxy

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Company Executives

Management Team

Board of Directors

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