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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1436304	Kythera Biopharmaceuticals Inc	KYTH	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1559582	D Jeffrey Webster	C/O Kythera Biopharmaceuticals, Inc. 27200 West Agoura Road, Suite 200 Calabasas CA 91301	Senior Vp, Operations	No	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	Acquisiton	2013-10-01	4,000	$0.76	4,000	No	4	M	Direct
Common Stock	Disposition	2013-10-01	4,000	$45.82	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Disposition	2013-10-01	4,000	$0.00	4,000	$0.76

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
66,761		2017-03-13	No	4	M	Direct

Footnotes

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan which expires April 30, 2014.
100% of the shares subject to the option are fully vested and exercisable.
The price reported in Column 4 is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $45.54 to $46.16, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.