AMKR

SEC source: 0001209191-21-010753 · doc4.xml · nonDerivative · entry 3

McCourt MaryFrances · CIK 0001730724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,498

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-010753 · doc4.xml · nonDerivative · entry 2

McCourt MaryFrances · CIK 0001730724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,498

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 21.64 to 21.71.

SEC source: 0001209191-21-010753 · doc4.xml · nonDerivative · entry 1

McCourt MaryFrances · CIK 0001730724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,155

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-012051 · doc4.xml · nonDerivative · entry 1

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 425,000

F1 · shares: These are restricted shares of common stock; they vest in ten equal installments at the rate of 5,000 shares per quarter, beginning with the initial vesting on April 30, 2021, and ending with the final vesting on July 30, 2023, so that 100% of the award will be vested on July 30, 2023.

SEC source: 0001209191-21-012050 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,725,770

F1 · shares: These are Time-Vested Restricted Stock Units which were granted on February 11, 2021 and vest in four equal annual installments; 25% on each anniversary of the grant date.

SEC source: 0001209191-21-012048 · doc4.xml · nonDerivative · entry 1

Stone John Charles · CIK 0001581432 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,552

F1 · shares: These are Time-Vested Restricted Stock Units which were granted on February 11, 2021 and vest in four equal annual installments; 25% on each anniversary of the grant date.

SEC source: 0001209191-21-012046 · doc4.xml · nonDerivative · entry 1

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,844

F1 · shares: These are Time-Vested Restricted Stock Units which were granted on February 11, 2021 and vest in four equal annual installments; 25% on each anniversary of the grant date.

SEC source: 0001209191-21-012045 · doc4.xml · nonDerivative · entry 1

ROGERS MARK N · CIK 0001201997 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,036

F1 · shares: These are Time-Vested Restricted Stock Units which were granted on February 11, 2021 and vest in four equal annual installments; 25% on each anniversary of the grant date.

SEC source: 0000899243-21-050061 · doc4a.xml · nonDerivative · entry 1

KIM JAMES J · CIK 0001158839 · Director · 10% owner · Member of 10% owner group (7)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,275,770

F1 · shares: As reported on a Form 4 timely filed with the Commission by the reporting person on February 18, 2021 (the "Original Form 4"), 10,893 Time-Vested Restricted Stock Units which vest 25% on each of the first four anniversaries of the grant date were granted to the reporting person on February 11, 2021.

F2 · balance_after: The original Form 4 incorrectly included options to purchase 450,000 shares of the Issuer's Common Stock in the reporting person's directly owned stock in Column 5 of Table I.

SEC source: 0001209191-21-004797 · doc4.xml · derivative · entry 3

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,500

Underlying: Common Stock · 4,500 shares

Expires 2026-09-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This stock option was granted on September 12, 2016 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.

SEC source: 0001209191-21-004797 · doc4.xml · nonDerivative · entry 2

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,219

F1 · kind: The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 18.39 to 18.735.

SEC source: 0001209191-21-004797 · doc4.xml · nonDerivative · entry 1

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,719

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-003976 · doc4.xml · derivative · entry 3

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,412

Underlying: Common Stock · 15,000 shares

Expires 2027-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This stock option was granted on February 27, 2017 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.

SEC source: 0001209191-21-003976 · doc4.xml · nonDerivative · entry 2

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 375,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 17.73 to 18.64.

SEC source: 0001209191-21-003976 · doc4.xml · nonDerivative · entry 1

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001158924-21-000004 · primary_doc.xml · nonDerivative · entry 1

KIM DAVID D · CIK 0001158924 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 2,691,618

F1 · kind: On January 15, the reporting person sold 6,895 shares of the Issuer's Common Stock.

F2 · balance_after: The reporting person may be deemed to indirectly own 2,691,618 shares of the Issuer's Common Stock held through various family trusts of which the reporting person is a trustee and 6,189,331 shares of the Issuer's Common Stock held by by Sujoda Investments, L.P., a limited partnership established for the benefit of members of the James J. Kim family of which the reporting person is a general partner. 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: 0000899243-20-034843 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 39,732,127

F1 · 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.

F2 · balance_after: On December 21, 2020, Agnes C. Kim transferred 4,083,065 shares of the Issuer's Common Stock to the Agnes C. Kim 2020-1 Qualified Annuity Trust U/A Dated 12/16/20 as a gift. Susan Y. Kim, a Reporting Person, is the sole trustee of the trust.

SEC source: 0000899243-21-006553 · doc5.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 23

F3 · balance_after: Agnes C. Kim is the spouse of the reporting person. 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.

F7 · balance_after: On December 21, 2020, Agnes C. Kim transferred 4,083,065 shares of the Issuer's Common Stock to the Agnes C. Kim 2020-1 Qualified Annuity Trust U/A Dated 12/16/20 as a gift. Susan Y. Kim is the sole trustee of the trust. This transaction was previously reported on Form 3 for the trust and Form 4 for Susan Y. Kim.

SEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 5

KIM AGNES C · CIK 0001158840 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23

F5 · balance_after: On December 21, 2020, the reporting person transferred 4,083,065 shares of the Issuer's Common Stock to the Agnes C. Kim 2020-1 Qualified Annuity Trust U/A Dated 12/16/20 as a gift. Susan Y. Kim is the sole trustee of the trust. This transaction was previously reported on Form 3 for the trust and Form 4 for Susan Y. Kim. 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: 0001209191-20-064519 · doc4.xml · derivative · entry 3

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,000

Underlying: Common Stock · 4,500 shares

Expires 2026-09-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This stock option was granted on September 12, 2016 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.

SEC source: 0001209191-20-064519 · doc4.xml · nonDerivative · entry 2

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,219

F1 · kind: The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 15.33 to 15.49.

SEC source: 0001209191-20-064519 · doc4.xml · nonDerivative · entry 1

Faust Megan · CIK 0001684564 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,719

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-20-034685 · doc4.xml · nonDerivative · entry 1

James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants · CIK 0001426966 · See Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 546,787

F1 · balance_after: On February 11, 2008, the Reporting Person acquired 1,363,400 shares of Common Stock from Agnes C. Kim in a private transaction and financed such purchase by issuing a promissory note (the "2008 Note"). On December 17, 2020, the Reporting Person transferred 816,613 shares of Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of the 2008 Note payable to her by such Trust. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034684 · doc4.xml · nonDerivative · entry 1

James J. Kim 2008 Trust FBO Descendants of John T. Kim · CIK 0001426970 · See Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,093,574

F1 · balance_after: On February 11, 2008, the Reporting Person acquired 2,726,800 shares of Common Stock from Agnes C. Kim in a private transaction and financed such purchase by issuing a promissory note (the "2008 Note"). On December 17, 2020, the Reporting Person transferred 816,613 shares of Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of the 2008 Note payable to her by such Trust. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034682 · doc4.xml · nonDerivative · entry 1

James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants · CIK 0001426968 · See Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 546,787

F1 · balance_after: On February 11, 2008, the Reporting Person acquired 1,363,400 shares of Common Stock from Agnes C. Kim in a private transaction and financed such purchase by issuing a promissory note (the "2008 Note"). On December 17, 2020, the Reporting Person transferred 816,613 shares of Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of the 2008 Note payable to her by such Trust. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034679 · doc4.xml · nonDerivative · entry 1

James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants · CIK 0001426971 · See Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 546,787

F1 · balance_after: On February 11, 2008, the Reporting Person acquired 1,363,400 shares of Common Stock from Agnes C. Kim in a private transaction and financed such purchase by issuing a promissory note (the "2008 Note"). On December 17, 2020, the Reporting Person transferred 816,613 shares of Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of the 2008 Note payable to her by such Trust. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034677 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 42,597,108

F1 · 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.

F5 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034677 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 43,413,721

F1 · 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.

F4 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034677 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 44,230,334

F1 · 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.

F3 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034677 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 45,046,947

F1 · 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.

F2 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Descendants of John T. Kim transferred 1,633,226 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034675 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 35,649,062

F1 · 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.

F5 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034675 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 36,465,675

F1 · 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.

F4 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034675 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 37,282,288

F1 · 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.

F3 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants transferred 816,613 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-20-034675 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self as Trustee

Disclosed balance after: 38,098,901

F1 · 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.

F2 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Descendants of John T. Kim transferred 1,633,226 shares of Common Stock to Agnes C. Kim in payment of a Note. John T. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-21-006553 · doc5.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 23

F3 · balance_after: Agnes C. Kim is the spouse of the reporting person. 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.

F6 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Descendants of John T. Kim dated 2/5/08 transferred 1,633,226 shares of the Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a note payable to her by such trust. John T. Kim and Susan Y. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006553 · doc5.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 23

F3 · balance_after: Agnes C. Kim is the spouse of the reporting person. 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.

F5 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants dated 2/5/08 transferred 816,613 shares of the Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a note payable to her by such trust. John T. Kim and Susan Y. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006553 · doc5.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 23

F3 · balance_after: Agnes C. Kim is the spouse of the reporting person. 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.

F4 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants dated 2/5/08 transferred 816,613 shares of the Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a note payable to her by such trust. John T. Kim and Susan Y. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006553 · doc5.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 23

F2 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants dated 2/5/08 transferred 816,613 shares of the Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a note payable to her by such trust. John T. Kim and Susan Y. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

F3 · balance_after: Agnes C. Kim is the spouse of the reporting person. 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: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 4

KIM AGNES C · CIK 0001158840 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23

F4 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Descendants of John T. Kim dated 2/5/08 sold 1,633,226 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 3

KIM AGNES C · CIK 0001158840 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23

F3 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 2

KIM AGNES C · CIK 0001158840 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23

F2 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 1

KIM AGNES C · CIK 0001158840 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23

F1 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person.

SEC source: 0001209191-20-063865 · doc4.xml · derivative · entry 3

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,412

Underlying: Common Stock · 15,000 shares

Expires 2027-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This stock option was granted on February 27, 2017 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.

SEC source: 0001209191-20-063865 · doc4.xml · nonDerivative · entry 2

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 375,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 15.23 to 15.40.

SEC source: 0001209191-20-063865 · doc4.xml · nonDerivative · entry 1

Rutten Guillaume Marie Jean · CIK 0001596796 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-21-006556 · doc5.xml · nonDerivative · entry 1

Qualified Annuity Trust under the James J. Kim 2019-1 Qualified Annuity Trust Agreement dtd September10,2019 · CIK 0001792394 · Exhibit 99.1

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,272,831

F1 · kind: On December 15, 2020, the James J. Kim 2019-1 Qualified Annuity Trust U/A Dated 9/10/19 distributed 727,169 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-21-006552 · doc5.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 32,339,816

F6 · kind: On December 15, 2020, the James J. Kim 2018-1 Qualified Annuity Trust U/A Dated 8/30/18 distributed 446,316 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees of the trust.

F7 · balance_after: The reporting person may be deemed to indirectly own 27,717,773 shares of the Issuer's Common Stock held by various family trusts of which the reporting person is a trustee, 4,622,043 shares of the Issuer's Common Stock held by grantor retained annuity trusts (see footnote 9), and 25,674,640 shares of the Issuer's Common Stock held by limited partnerships established for the benefit of members of the James J. Kim family of which the reporting person is a general partner. 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: 0000899243-21-006552 · doc5.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By self as trustee

Disclosed balance after: 32,339,816

F5 · kind: On December 15, 2020, the James J. Kim 2019-1 Qualified Annuity Trust U/A Dated 9/10/19 distributed 727,169 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees of the trust.

F7 · balance_after: The reporting person may be deemed to indirectly own 27,717,773 shares of the Issuer's Common Stock held by various family trusts of which the reporting person is a trustee, 4,622,043 shares of the Issuer's Common Stock held by grantor retained annuity trusts (see footnote 9), and 25,674,640 shares of the Issuer's Common Stock held by limited partnerships established for the benefit of members of the James J. Kim family of which the reporting person is a general partner. 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: 0000899243-21-006539 · 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: 1,580,734

F1 · kind: On December 15, 2020, the James J. Kim 2018-1 Qualified Annuity Trust U/A Dated 8/30/18 distributed 446,316 shares of the Issuer's Common Stock to James J. Kim. James J. Kim and Susan Y. Kim are co-trustees of the trust.

SEC source: 0000899243-21-006537 · 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: 1,622,043

F1 · kind: On December 15, 2020, the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement Dated 8/29/18 distributed 162,257 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are co-trustees of the trust.