Dong-A Pharmtech Co., Ltd. is a Korea-based company engaged in the pharmaceutical business. The Company focuses on development and manufacture of remedies for erectile dysfunction and benign prostatic hyperplasia. In addition, the Company engages in the development of remedies for portal hypertension (PH), pulmonary arterial hypertension (PAH), overactive bladder (OAB) and chronic obstructive pulmonary disease (COPD). As of December 31, 2011, the Company had signed four licensing contract with overseas partners, including Warner in America, Valenta in Russia, Nycomed in Mexico and Dr.Falk in Europe. In 2011, the Company had 13 affiliated companies.