X0306 5 2016-12-31 0 0 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001158922 KIM SUSAN Y 2045 EAST INNOVATION CIRCLE TEMPE AZ 85284 1 0 1 1 Exhibit 99.1 Common Stock 2016-02-22 5 J 0 94950 4.79 D 35047710 I By self as trustee Common Stock 2016-07-18 5 J 0 568780 6.09 D 35047710 I By self as trustee Common Stock 2016-07-18 5 J 0 568780 6.09 A 29622339 D Common Stock 2016-08-04 5 J 0 683460 7.58 D 35047710 I By self as trustee Common Stock 2016-11-03 5 J 0 1414250 10.40 D 35047710 I By self as trustee Common Stock 2016-11-03 5 J 0 1414250 10.40 A 29622339 D On February 22, 2016, the James J. Kim 2014 Qualified Annuity Trust U/A dated October 13, 2014 distributed 94,950 shares to James J. Kim. James J. Kim and Susan Y. Kim are co- trustees of the trust. On July 18, 2016, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 568,780 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees. On August 4, 2016, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 683,460 shares of the Company's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees. On November 3, 2016, the Susan Y. Kim 2012 Irrevocable Trust U/A Dated 7/26/12 distributed 1,414,250 shares of the Company's Common Stock to Susan Y. Kim. Susan T. Kim and John T. Kim are trustees of the trust. The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. Jerry Allison, as Attorney in Fact 2017-02-15