KAISER ALUMINUM CORP — Director's Dealing 2018

May 16, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KAISER ALUMINUM CORP (KALU)
CIK: 0000811596
Period of Report: 2018-05-14

Reporting Person: Parkinson Ray (VP - Advanced Engineering)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-14	Common Stock, par value $0.01 per share	S	3262	$105.026	Disposed	5837	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01 per share	9455	Direct

Footnotes

F1: Represents the sale of 3,262 shares in multiple transactions, ranging from $104.52 to $105.23 per share, resulting in a weighted average sale price of $105.026 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.

F2: Includes 5,461 shares acquired pursuant to grants of restricted stock units.