Concluded a Patent License Agreement

Hsinchu, Taiwan, Nov. 1, 2012 – Epistar Corporation has announced that Toshiba Corporation has
granted a patent license regarding certain AlGaInP LED technologies and sold certain AlGaInP LED
patents to Epistar. As part of the agreements, Epistar also licensed certain AlGaInP LED patents to
Toshiba. The agreements recognize the value of Toshiba’s AlGaInP LED patent portfolio, and are
expected to bring benefits for Epistar’s product development and enhance its patent portfolio further
within the field of AlGaInP LED technologies.
The exact terms of the license will not be disclosed under the confidential obligations.