Under Armour, Inc. — Director's Dealing 2012

Feb 1, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Under Armour, Inc. (UA)
CIK: 0001336917
Period of Report: 2012-01-31

Reporting Person: Peake Adam (SVP, U.S. Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-31	Class A Common Stock	M	10000	$0.83	Acquired	33139.9055	Direct
2012-01-31	Class A Common Stock	S	8000	$79.5	Disposed	25139.9055	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-31	Employee Stock Option (Right to Buy)	$0.83	M	10000	Disposed	2012-07-30	Class A Common Stock (10000)	Direct

Footnotes

F1: This option originally for 30,000 shares is exercisable in five equal annual installments beginning August 1, 2003.