FOR IMMEDIATE RELEASE INTRODUCING THE KOSS INTERLOCKING IN-EAR STEREOPHONES Milwaukee, WI USA – June 13, 2012 – Koss Corporation, the US-based high fidelity stereophone manufacturer and inventor of the world’s first SP/3 Stereophone in 1958, has revolutionized the design of the in-ear stereophone with the release of the Interlocking in-ear stereophones, available now on Koss.com The interlocking in-ear headphones utilize an ingenuous patented design for easy on-the-go storage without sacrificing richly delivered audio through performance tuned 9 mm drives. The frame of the new interlocking in-ear headphones is constructed from high polished aluminum and surrounded by flexible, soft touch material. This innovative material doubles as a soundproofing coat, intended to deaden any unwanted distraction, that allows the listener’s focus to remain on the crystal clear highs and crisp lows – while staying inside the music they love. The interlocking in-ear headphones are available in two configurations, and in two colors, black and white. The IL100 is the standard in-ear headphone which features the world renowned Sound of Koss and the patented interlocking design. The IL200 KTC, includes Koss Touch Control (KTC) remote and microphone technology made for iPhone®, iPad® and iPod®*. KTC allows listeners to stay connected, shuffle songs and adjust volume with an easy flick of the switch. Visit www.koss.com/en/products/headphones/interlocking for more details.

Koss Stereophones

Koss Stereophones has been headquartered in Milwaukee, Wisconsin, since 1958 and is known worldwide for its high fidelity stereophones and audio accessories. Koss Corporation also offers digital audiophile compact disc recordings of American orchestras on its Koss Classic Label. *Apple, iPod, iPhone and iPad are trademarks of Apple Inc., registered in the U.S. and other countries. Contact: Drake Dettmann Koss Corporation 414-967-1519 ddettmann@koss.com