AVISTA CORP — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AVISTA CORP (AVA)
CIK: 0000104918
Period of Report: 2026-02-09

Reporting Person: Thackston Jason R (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-09	Common Stock - Restricted Shares Grant 2026	A	3147	$40.99	Acquired	43236	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-09	Performance Shares Grant - 2026	$	A	7344	Acquired		Common Stock (7344)	Direct

Footnotes

F1: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

F2: No conversion price. Shares awarded if performance measure is met.

F3: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.