AMKR

SEC source: 0000899243-19-003655 · doc5.xml · nonDerivative · entry 1

Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd August 29, 2018 · CIK 0001755764 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000,000

F1 · kind: On October 8, 2018, Susan Y. Kim transferred 2,000,000 shares of the Issuer's Common Stock to the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd 8/29/18. James J. Kim and Susan Y. Kim are co-trustees.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 12

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F8 · kind: On October 8, 2018, Susan Y. Kim transferred 2,000,000 shares of the Issuer's Common Stock to the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd 8/29/18. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 13

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F9 · kind: On October 8, 2018, Susan Y. Kim transferred 2,000,000 shares of the Issuer's Common Stock to the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd 8/29/18. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 12

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,453,610

F9 · kind: On October 8, 2018, Susan Y. Kim transferred 2,000,000 shares of the Issuer's Common Stock to the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd 8/29/18. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003702 · doc5.xml · nonDerivative · entry 3

James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17, 2013 · CIK 0001579612 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and Susan Y. Kim are co-trustees.

SEC source: 0000899243-19-003702 · doc5.xml · nonDerivative · entry 2

James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17, 2013 · CIK 0001579612 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are co-trustees.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 11

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F7 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 10

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F6 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 11

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F8 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 10

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,453,610

F7 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 9

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F7 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003640 · doc5.xml · nonDerivative · entry 10

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,674,640

F6 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-008826 · doc5a.xml · nonDerivative · entry 10

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,814,245

F6 · kind: On October 5, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 1,139,605 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F7 · balance_after: 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.

F8 · balance_after: This Form 5 amends the Form 5 filed by the reporting person on February 14, 2019. This amendment is to correct the direct holdings of the reporting person only. For readability, the entire filing is being amended but only those line item noted with footnote 8 have been changed, and solely to update the direct holdings in Column 5.

SEC source: 0000899243-19-003702 · doc5.xml · nonDerivative · entry 1

James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17, 2013 · CIK 0001579612 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On September 21, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 941,223 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 9

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,621,203

F5 · kind: On September 21, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 941,223 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 8

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F5 · kind: On September 21, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 941,223 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 8

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F6 · kind: On September 21, 2018, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 941,223 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003650 · doc5.xml · nonDerivative · entry 1

Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/31/18 · CIK 0001752917 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,470,150

F1 · kind: On September 7, 2018, James J. Kim transferred 2,470,150 shares of the Issuer's Common Stock to the James J. Kim 2018-1 Qualified Annuity Trust U/A dtd 8/30/18. James J. Kim and Susan Y. Kim are co-trustees.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 7

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F4 · kind: On September 7, 2018, James J. Kim transferred 2,470,150 shares of the Issuer's Common Stock to the James J. Kim 2018-1 Qualified Annuity Trust U/A dtd 8/30/18. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 6

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,621,203

F4 · kind: On September 7, 2018, James J. Kim transferred 2,470,150 shares of the Issuer's Common Stock to the James J. Kim 2018-1 Qualified Annuity Trust U/A dtd 8/30/18. James J. Kim and Susan Y. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 7

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F5 · kind: On September 7, 2018, James J. Kim transferred 2,470,150 shares of the Issuer's Common Stock to the James J. Kim 2018-1 Qualified Annuity Trust U/A dtd 8/30/18. James J. Kim and Susan Y. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0001209191-18-048547 · doc4.xml · nonDerivative · entry 1

Kelley Stephen Douglas · CIK 0001443674 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,175

SEC source: 0000899243-19-003681 · doc5.xml · nonDerivative · entry 1

Susan Y. Kim 2015 Irrevocable Trust U/A Dated March 16, 2015 · CIK 0001645038 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,887,843

F1 · kind: On August 16, 2018, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 560,450 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 6

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,453,610

F4 · kind: On August 16, 2018, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 560,450 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003646 · doc5.xml · nonDerivative · entry 5

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 34,581,825

F4 · kind: On August 16, 2018, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 560,450 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees.

F10 · balance_after: 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.

SEC source: 0000899243-19-003640 · doc5.xml · nonDerivative · entry 9

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F5 · kind: On August 16, 2018, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 560,450 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-008826 · doc5a.xml · nonDerivative · entry 9

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F5 · kind: On August 16, 2018, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 560,450 shares of the Company's Common Stock to Susan Y. Kim. Susan Y. Kim and John T. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-003720 · doc5.xml · nonDerivative · entry 1

Family Trust Under the John T. Kim 2012 Irrevocable Trust Agreement Dated 12/11/12 · CIK 0001741864 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,828,682

F1 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

SEC source: 0000899243-19-003689 · doc5.xml · nonDerivative · entry 2

John T. Kim 2012 Irrevocable Trust · CIK 0001565301 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 5

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F3 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003647 · doc5.xml · nonDerivative · entry 4

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 14,489,497

F3 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F9 · balance_after: 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.

SEC source: 0000899243-19-003640 · doc5.xml · nonDerivative · entry 8

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F4 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-003640 · doc5.xml · nonDerivative · entry 7

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F4 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-008826 · doc5a.xml · nonDerivative · entry 8

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F4 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0000899243-19-008826 · doc5a.xml · nonDerivative · entry 7

KIM JOHN T · CIK 0001158926 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 48,593,506

F4 · kind: On July 9, 2018, the John T. Kim 2012 Irrevocable Trust U/A dated 12/11/12 transferred 7,828,682 shares of the Issuer's Common Stock to the Family Trust under the John T. Kim 2012 Irrevocable Trust dated 12/11/12. John T. Kim and James J. Kim are co-trustees.

F7 · balance_after: 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.

SEC source: 0001209191-18-033960 · doc4.xml · nonDerivative · entry 1

Kelley Stephen Douglas · CIK 0001443674 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,600

SEC source: 0001209191-18-027804 · doc4.xml · derivative · entry 2

CHURCHILL WINSTON J · CIK 0000923792 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Amkor Technology, Inc. · 20,000 shares

Expires 2018-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date, subject to continued service through the applicable date.

SEC source: 0001209191-18-027804 · doc4.xml · nonDerivative · entry 1

CHURCHILL WINSTON J · CIK 0000923792 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,476

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027827 · doc4.xml · derivative · entry 4

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Amkor Technology Inc. Common Stock · 20,000 shares

Expires 2028-05-01

F4 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027827 · doc4.xml · nonDerivative · entry 1

KIM SUSAN Y · CIK 0001158922 · Director · 10% owner · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,075,500

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date.

F2 · balance_after: Off the 6,075,500 common shares owned directly, 4,700 are restricted shares subject to risk of forfeiture until fully vested as described in footnote (1).

SEC source: 0001209191-18-027802 · doc4.xml · derivative · entry 2

ALEXANDER DOUGLAS A · CIK 0001195858 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2028-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date, subject to continued service through the applicable date.

SEC source: 0001209191-18-027802 · doc4.xml · nonDerivative · entry 1

ALEXANDER DOUGLAS A · CIK 0001195858 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,685

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date, subject to continued service through the applicable date.

SEC source: 0001209191-18-027798 · doc4.xml · derivative · entry 3

Carolin Roger Anthony · CIK 0001351909 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Amkor Technology, Inc. Common Stock · 20,000 shares

Expires 2028-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027798 · doc4.xml · nonDerivative · entry 1

Carolin Roger Anthony · CIK 0001351909 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,176

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027796 · doc4.xml · derivative · entry 2

McCourt MaryFrances · CIK 0001730724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2028-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date, subject to continued service through the applicable date.

SEC source: 0001209191-18-027796 · doc4.xml · nonDerivative · entry 1

McCourt MaryFrances · CIK 0001730724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,685

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date, subject to continued service through the applicable date.

SEC source: 0001209191-18-027795 · doc4.xml · derivative · entry 2

WATSON DAVID N · CIK 0001276908 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Amkor Technology, Inc. · 20,000 shares

Expires 2028-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027795 · doc4.xml · nonDerivative · entry 1

WATSON DAVID N · CIK 0001276908 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,176

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027792 · doc4.xml · derivative · entry 2

Morse Robert Randolph · CIK 0001569086 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Amkor Technology, Inc. Common Stock · 20,000 shares

Expires 2028-05-01

F2 · derivative.exercise_date: These options vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date

SEC source: 0001209191-18-027792 · doc4.xml · nonDerivative · entry 1

Morse Robert Randolph · CIK 0001569086 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,176

F1 · shares: These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date, or the date of the first annual meeting of stockholders following the grant date