KAISER ALUMINUM CORP — Director's Dealing 2019

Mar 7, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KAISER ALUMINUM CORP (KALU)
CIK: 0000811596
Period of Report: 2019-03-05

Reporting Person: Krouse Mark (VP - Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-05	Common Stock, par value $0.01 per share	A	1074	—	Acquired	4847	Direct
2019-03-05	Common Stock, par value $0.01 per share	A	1687	—	Acquired	6534	Direct
2019-03-05	Common Stock, par value $0.01 per share	F	625	$108.79	Disposed	5909	Direct
2019-03-05	Common Stock, par value $0.01 per share	F	483	$108.79	Disposed	5426	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01 per share	3565	Indirect

Footnotes

F1: Grant to the reporting person effective as of March 5, 2019 of restricted stock units under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2022 or earlier upon the occurrence of certain specified circumstances.

F2: Includes 4,847 shares acquired pursuant to grants of restricted stock units.

F3: Shares earned upon the vesting on March 5, 2019 of certain performance shares granted to the reporting person in 2016 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended. On March 5, 2019, the Registrant's compensation committee certified the performance shares payout multiplier based on the level of achievement by the Registrant of certain pre-established performance goals for 2016 through 2018.

F4: Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2019 of the above-referenced performance shares.

F5: Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2019 of certain restricted stock units granted to the reporting person in 2016 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended.

F6: Includes 3,452 shares acquired pursuant to grants of restricted stock units.