RYZ

SEC source: 0001567619-21-022349 · doc1.xml · derivative · entry 2

Lehner Edward J. · CIK 0001614103 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,264.3382

Underlying: Common Stock · 81.7644 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of December 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of December 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001567619-21-022349 · doc1.xml · derivative · entry 1

Lehner Edward J. · CIK 0001614103 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,632.1691

Underlying: Common Stock · 40.8822 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of December 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of December 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001799091-21-000002 · primary_doc.xml · derivative · entry 3

Kannan Molly D · CIK 0001799091 · Corporate Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,967.6943

Underlying: Common Stock · 17.6943 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001799091-21-000002 · primary_doc.xml · derivative · entry 2

Kannan Molly D · CIK 0001799091 · Corporate Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,207.8642

Underlying: Common Stock · 7.8642 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001799091-21-000002 · primary_doc.xml · derivative · entry 1

Kannan Molly D · CIK 0001799091 · Corporate Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 827.9491

Underlying: Common Stock · 2.9491 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001628783-21-000001 · primary_doc.xml · derivative · entry 3

Burbach Michael · CIK 0001628783 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,591.2869

Underlying: Common Stock · 41.2869 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001628783-21-000001 · primary_doc.xml · derivative · entry 2

Burbach Michael · CIK 0001628783 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,519.6604

Underlying: Common Stock · 19.6604 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001628783-21-000001 · primary_doc.xml · derivative · entry 1

Burbach Michael · CIK 0001628783 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,759.8302

Underlying: Common Stock · 9.8302 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001627959-21-000001 · primary_doc.xml · derivative · entry 3

Silver Mark S. · CIK 0001627959 · EVP, General Counsel & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,451.5416

Underlying: Common Stock · 26.5416 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001627959-21-000001 · primary_doc.xml · derivative · entry 2

Silver Mark S. · CIK 0001627959 · EVP, General Counsel & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,967.6944

Underlying: Common Stock · 17.6944 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001627959-21-000001 · primary_doc.xml · derivative · entry 1

Silver Mark S. · CIK 0001627959 · EVP, General Counsel & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,483.8472

Underlying: Common Stock · 8.8472 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001764564-21-000001 · primary_doc.xml · derivative · entry 3

Orth John E · CIK 0001764564 · EVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,967.6943

Underlying: Common Stock · 17.6943 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001764564-21-000001 · primary_doc.xml · derivative · entry 2

Orth John E · CIK 0001764564 · EVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,207.8642

Underlying: Common Stock · 7.8642 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001764564-21-000001 · primary_doc.xml · derivative · entry 1

Orth John E · CIK 0001764564 · EVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 827.9491

Underlying: Common Stock · 2.9491 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001848292-21-000002 · primary_doc.xml · derivative · entry 3

Sundarrajan Alagu · CIK 0001848292 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,967.6943

Underlying: Common Stock · 17.6943 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001848292-21-000002 · primary_doc.xml · derivative · entry 2

Sundarrajan Alagu · CIK 0001848292 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,345.9178

Underlying: Common Stock · 11.9178 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001848292-21-000002 · primary_doc.xml · derivative · entry 1

Sundarrajan Alagu · CIK 0001848292 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,254.4683

Underlying: Common Stock · 4.4683 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001841035-21-000001 · primary_doc.xml · derivative · entry 3

Claussen James J · CIK 0001841035 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,591.2869

Underlying: Common Stock · 41.2869 shares

Expires not disclosed

F1 · derivative.exercise_price: (1) Each restricted stock unit represents a contingent right to receive one share of stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001841035-21-000001 · primary_doc.xml · derivative · entry 2

Claussen James J · CIK 0001841035 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,345.9178

Underlying: Common Stock · 11.9178 shares

Expires not disclosed

F1 · derivative.exercise_price: (1) Each restricted stock unit represents a contingent right to receive one share of stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001841035-21-000001 · primary_doc.xml · derivative · entry 1

Claussen James J · CIK 0001841035 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,172.1752

Underlying: Common Stock · 4.1752 shares

Expires not disclosed

F1 · derivative.exercise_price: (1) Each restricted stock unit represents a contingent right to receive one share of stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001614103-21-000001 · primary_doc.xml · derivative · entry 3

Lehner Edward J. · CIK 0001614103 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,773.8607

Underlying: Common Stock · 123.8607 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F5 · derivative.exercise_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

F5 · derivative.expiration_date: (5) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022, March 31, 2023 and March 31, 2024.

SEC source: 0001614103-21-000001 · primary_doc.xml · derivative · entry 2

Lehner Edward J. · CIK 0001614103 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,182.5738

Underlying: Common Stock · 82.5738 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F4 · derivative.exercise_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

F4 · derivative.expiration_date: (4) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022 and March 31, 2023.

SEC source: 0001614103-21-000001 · primary_doc.xml · derivative · entry 1

Lehner Edward J. · CIK 0001614103 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,591.2869

Underlying: Common Stock · 41.2869 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

F2 · shares: (2) Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

F3 · derivative.exercise_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

F3 · derivative.expiration_date: (3) The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2019 and outstanding as of September 16, 2021. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2022.

SEC source: 0001799091-21-000001 · primary_doc.xml · nonDerivative · entry 1

Kannan Molly D · CIK 0001799091 · Corporate Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,583

F1 · price: These shares were sold in multiple transactions at prices ranging from $22.61 to $22.30. The reporting person undertakes to provide Ryerson Holding Corporation, any security holder of Ryerson Holding Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in this footnote.

SEC source: 0001567619-21-007534 · doc1.xml · derivative · entry 10

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

F11 · derivative.exercise_date: See Exhibit 99.1

F11 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · derivative · entry 9

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,950

Underlying: Common Stock · 4,950 shares

Expires not disclosed

F5 · derivative.exercise_price: See Exhibit 99.1

F10 · derivative.exercise_date: See Exhibit 99.1

F10 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · derivative · entry 8

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,200

Underlying: Common Stock · 1,100 shares

Expires not disclosed

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.

F5 · derivative.exercise_price: See Exhibit 99.1

F6 · price: See Exhibit 99.1

F9 · derivative.exercise_date: See Exhibit 99.1

F9 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · derivative · entry 7

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 825

Underlying: Common Stock · 825 shares

Expires not disclosed

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.

F5 · derivative.exercise_price: See Exhibit 99.1

F6 · price: See Exhibit 99.1

F8 · derivative.exercise_date: See Exhibit 99.1

F8 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · derivative · entry 6

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 825 shares

Expires not disclosed

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.

F5 · derivative.exercise_price: See Exhibit 99.1

F6 · price: See Exhibit 99.1

F7 · derivative.exercise_date: See Exhibit 99.1

F7 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · nonDerivative · entry 5

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,583

F3 · kind: See Exhibit 99.1

F4 · shares: See Exhibit 99.1

F4 · price: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · nonDerivative · entry 4

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,760

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.

F2 · shares: See Exhibit 99.1

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · nonDerivative · entry 3

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · nonDerivative · entry 2

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,635

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007534 · doc1.xml · nonDerivative · entry 1

Kannan Molly D · CIK 0001799091 · CAO & Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,810

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · derivative · entry 9

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

F9 · derivative.exercise_date: See Exhibit 99.1

F9 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · derivative · entry 8

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,550

Underlying: Common Stock · 11,550 shares

Expires not disclosed

F3 · derivative.exercise_price: See Exhibit 99.1

F8 · derivative.exercise_date: See Exhibit 99.1

F8 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · derivative · entry 7

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,500

Underlying: Common Stock · 2,750 shares

Expires not disclosed

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_price: See Exhibit 99.1

F4 · price: See Exhibit 99.1

F7 · derivative.exercise_date: See Exhibit 99.1

F7 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · derivative · entry 6

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires not disclosed

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_price: See Exhibit 99.1

F4 · price: See Exhibit 99.1

F6 · derivative.exercise_date: See Exhibit 99.1

F6 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · derivative · entry 5

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,750 shares

Expires not disclosed

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_price: See Exhibit 99.1

F4 · price: See Exhibit 99.1

F5 · derivative.exercise_date: See Exhibit 99.1

F5 · derivative.expiration_date: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · nonDerivative · entry 4

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,090

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.

F2 · shares: See Exhibit 99.1

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · nonDerivative · entry 3

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,340

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · nonDerivative · entry 2

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,590

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007539 · doc1.xml · nonDerivative · entry 1

Burbach Michael · CIK 0001628783 · President, North-West Region

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,840

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.

F1 · price: See Exhibit 99.1

SEC source: 0001567619-21-007533 · doc1.xml · derivative · entry 9

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

F9 · derivative.exercise_date: See Exhibit 99.1.

F9 · derivative.expiration_date: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · derivative · entry 8

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,425

Underlying: Common Stock · 7,425 shares

Expires not disclosed

F3 · derivative.exercise_price: See Exhibit 99.1.

F8 · derivative.exercise_date: See Exhibit 99.1.

F8 · derivative.expiration_date: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · derivative · entry 7

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,950

Underlying: Common Stock · 2,475 shares

Expires not disclosed

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_price: See Exhibit 99.1.

F4 · price: See Exhibit 99.1.

F7 · derivative.exercise_date: See Exhibit 99.1.

F7 · derivative.expiration_date: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · derivative · entry 6

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,475

Underlying: Common Stock · 2,475 shares

Expires not disclosed

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_price: See Exhibit 99.1.

F4 · price: See Exhibit 99.1.

F6 · derivative.exercise_date: See Exhibit 99.1.

F6 · derivative.expiration_date: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · derivative · entry 5

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,475 shares

Expires not disclosed

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_price: See Exhibit 99.1.

F4 · price: See Exhibit 99.1.

F5 · derivative.exercise_date: See Exhibit 99.1.

F5 · derivative.expiration_date: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · nonDerivative · entry 4

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,822

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.

F2 · shares: See Exhibit 99.1.

F1 · price: See Exhibit 99.1.

SEC source: 0001567619-21-007533 · doc1.xml · nonDerivative · entry 3

Silver Mark S. · CIK 0001627959 · EVP, GC & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,747

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.

F1 · price: See Exhibit 99.1.