KAISER ALUMINUM CORP — Director's Dealing 2020

May 1, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KAISER ALUMINUM CORP (KALU)
CIK: 0000811596
Period of Report: 2020-04-30

Reporting Person: HOCKEMA JACK A (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-30	Common Stock, par value $0.01 per share	S	3000	$73.4224	Disposed	18291	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01 per share	45136	Direct

Footnotes

F1: Sales made pursuant to a 10b5-1 plan adopted by the reporting person on April 29, 2019 as part of the reporting person's financial planning to diversify his stockholdings. The plan contemplates the sale of a pre-determined amount of vested shares of common stock of the Registrant held by the reporting person in specified increments subject to designated floor prices.

F2: Represents the sale of 3,000 shares in multiple transactions, ranging from $72.3400 to $75.0200 per share, resulting in a weighted average sale price of $73.4224 per share. The reporting person undertakes to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range.

F3: Includes 25,792 shares acquired pursuant to grants of restricted stock units.