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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
811596	Kaiser Aluminum Corp	KALU	Rolling Drawing & Extruding Of Nonferrous Metals (3350)	943030279

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1227285	A Jack Hockema	C/O Kaiser Aluminum Corp. 27422 Portola Parkway Suite 200 Foothill Ranch CA 92610	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Disposition	2015-05-01	5,000	$81.81	99,381	No	4	S	Indirect	By Hockema Family Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Hockema Family Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	29,988	Direct

Reported Derivative Holdings

Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock, Par Value $0.01 Per Share	Employee Stock Options (Right to Buy)	$80.01		2017-04-03	8,037	8,037	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2017-04-03	8,037	8,037	Direct

Footnotes

Sales made pursuant to a 10b5-1 plan adopted by the reporting person on October 27, 2014 as part of the reporting person's financial planning to diversify his stockholdings. The plan contemplates the sale of 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.
Represents the sale of 5,000 shares in multiple transactions, ranging from $80.0300 to $82.5400 per share, resulting in a weighted average sale price of $81.8112 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.
Stock option award granted on April 3, 2007 for 8,037 shares of common stock, with one-third of such options vested on each of the first, second and third anniversaries of the grant date.