Under Armour, Inc. — Director's Dealing 2013

May 10, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Under Armour, Inc. (UA)
CIK: 0001336917
Period of Report: 2013-05-10

Reporting Person: Dickerson Brad (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-10	Class A Common Stock	M	15000	$6.855	Acquired	15000	Direct
2013-05-10	Class A Common Stock	S	3000	$58.55	Disposed	12000	Direct
2013-05-10	Class A Common Stock	S	12000	$59.5398	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-10	Employee Stock Option (Right to Buy)	$6.855	M	15000	Disposed	2019-03-09	Class A Common Stock (15000)	Direct

Footnotes

F1: In 2009, the reporting person was granted an option to purchase shares of Common Stock, with vesting based on the Company achieving a certain combined operating income for 2009 and 2010. The Company achieved this vesting condition. Following this, the award is exercisable in two equal annual installments beginning February 15, 2011.

F2: Shares sold pursuant to a 10b5-1 trading plan.

F3: This transaction was executed in multiple trades at prices ranging from $59.01 to $59.96. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.