KAISER ALUMINUM CORP — Director's Dealing 2017

May 16, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KAISER ALUMINUM CORP (KALU)
CIK: 0000811596
Period of Report: 2017-05-11

Reporting Person: Parkinson Ray (VP - Advanced Engineering)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-11	Common Stock, par value $0.01 per share	S	2000	$80.7469	Disposed	11599	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01 per share	5962	Direct

Footnotes

F1: Represents the sale of 2,000 shares in multiple transactions, ranging from $80.6200 to $80.8700 per share, resulting in a weighted average sale price of $80.7469 per share. The reporting person undertake 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 3,929 shares acquired pursuant to grants of restricted stock units.