Added Technology Co., Ltd. is a Korea-based company engaged in the
manufacture of radiographic systems for dental diagnosis. The Company
provides dental computed tomography (CT) systems, dental digital
X-radiography (X-ray) systems and intraoral sensors for human bodies
and other dental supplies. On March 30, 2011, the Company completed the
spin-off of global business and medical X-ray detector business. As of
December 31, 2011, the Company had 22 affiliated companies.