Press Release

Under Armour, Inc. To Report Fourth Quarter 2005 Earnings and Webcast Conference Call

January 6, 2006 at 12:00 AM EST
Under Armour, Inc. To Report Fourth Quarter 2005 Earnings and Webcast Conference Call

Baltimore (January 6, 2006) – Under Armour, Inc. (NASDAQ: UARM) will report the results of its fourth quarter ended December 31, 2005 on Tuesday, February 7, 2006 at approximately 7:30 a.m. EST. Under Armour management will host a conference call to discuss the results beginning at 8:30 a.m. EST. This call will be webcast live at http://investor.underarmour.com/events.cfm and will be archived and available for replay approximately three hours after the live event.

The Company's financial results are available online at (http://investor.underarmour.com/results.cfm).

Under Armour began trading as a public company on November 18, 2005.

Under Armour® (NASDAQ: UARM) is a leading developer, marketer and distributor of branded performance products for men, women and youth. The brand's moisture-wicking synthetic fabrications are engineered in many different designs and styles for wear in nearly every climate to provide a performance alternative to traditional natural fiber products. The Company is an official supplier to the National Hockey League, the U.S. Ski Team, USA Rugby, the National Lacrosse League, and Major League Lacrosse; and the Company's products are worn by professional football, baseball, and soccer players, as well as athletes in major collegiate and Olympic sports. The Company's products are currently sold in the United States, Canada, Japan and the United Kingdom. The Company's global headquarters is located in Baltimore, MD.

www.underarmour.com