FINNENCE ▪ THE WIRE FILE

THE WIRE · № 57273

News■ Unclear/unknown

Columbia Banking System Announces Date of Third Quarter 2026 Earnings Release and Conference Call

1 SOURCE CONFIRMED · FIRST SEEN 2026-09-30 12:15 UTC

EXHIBIT · mmx.prnewswire.com

KINDNews

DIRECTION■ Unclear/unknown

SOURCES1

ENTITIES1

STORY SIZESTANDALONE

FIRST SEEN2026-09-30 12:15 UTC

LAST UPDATE2026-09-30 12:15 UTC

STATEactive

01 THE MACHINE READ

WHY IT MATTERS.

Scheduling notice only; no results or guidance, so no directional signal for regional banks.

Calendar item, not a catalyst

CATALYST TO WATCH

Q3 results on October 22

MAIN RISK

Results could disappoint regional bank expectations

FULL DISPATCH

TACOMA, Wash., Sept. 30, 2026 /PRNewswire/ -- Columbia Banking System, Inc. ("Columbia" Nasdaq: COLB), parent company of Columbia Bank, today announced it will release third quarter 2026 financial results on Thursday, October 22, 2026, after market close. The Company will host a...

02 THE STORY SO FAR

THE RECORD, IN ORDER.

STANDALONE ITEM — NOT YET FOLDED INTO A DEVELOPING STORY.

03 WHO'S INVOLVED

ENTITIES ON FILE.

AFFECTEDBanks

04 RECEIPTS

THE SOURCE RECORD.

1 SOURCES CONFIRMED

№ 01prnewswireprnewswire.com · PRIMARY2026-09-30 12:15 UTCOPEN RECEIPT →

05 PROPAGATION

WHAT THIS TOUCHES.

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Summaries are generated and may contain errors — every claim links its sources.