Applied Optoelectronics (AAOI) 8-K Departure of Directors or Certain Officers

Exhibit 99.1

TAMC

Technology Associates Management Co., Ltd.

The Board of Directors

Applied Optoelectronics, Inc.

13115 Jess Pirtle Blvd

Sugar Land, TX 77478

December 30, 2013

Re:RESIGNATION OF CHAIRMAN AND DIRECTOR OF APPLIED OPTOELECTRONICS, INC.

To the Board of Directors:

This is to inform you of my decision to resign as a member of the Board of Directors and the Chairman of the Board of Applied Optoelectronics, Inc., effective December 30, 2013. I am resigning for personal reasons and to devote more time to my family.

I would like to convey my appreciation and respect to my fellow directors for their cooperation and their service. It has been a great privilege and pleasure to have worked with you all.

Yours truly,

/s/ Juen-Sheng (Andrew) Kang          

Juen-Sheng (Andrew) Kang

Managing Director