RYZ · Ryerson Holding Corp

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

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

Reflects compensation in the form of restricted stock units received pursuant to the Third Amended and Restated Ryerson Stock Plan.

These unvested restricted stock units will vest on March 31, 2027.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

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

Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program.

These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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.

The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

These shares were sold in multiple transactions at the price of $28.42. 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 sold.

These shares were sold in multiple transactions at prices between $27.5000 and $28.1625. 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 sold at each separate price within the ranges set forth in this footnote.

These shares were sold in multiple transactions at prices between $26.180 and $26.235. 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 sold at each separate price within the ranges set forth in this footnote.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date.

Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the "Company"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units.

Represents shares received or that will be received in respect of performance-based restricted stock units granted on March 31, 2023. Each performance-based restricted stock unit became vested on March 31, 2026, which was the later of (i) the third anniversary of the grant date and (ii) the date the compensation committee certified the achievement of the applicable performance objectives in accordance with the underlying award agreement. The compensation committee certified the achievement of the applicable performance objectives on March 31, 2026. Vested shares will be delivered to the reporting person not later than 60 days following the vesting date.

Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the "Company"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units.

Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the "Company"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of common stock of the Company.

The restricted stock units reported as disposed herein were settled for shares of common stock of the Company.

On March 31, 2025, the reporting person was granted 6,600 restricted stock units, of which 2,200 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 2,200 will vest on the second anniversary of the grant date and 2,200 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2025. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

Each restricted stock unit represents a contingent right to receive one share of common stock of the Company.

On March 31, 2026, the reporting person was granted 9,900 restricted stock units, of which 3,300 will vest on the first anniversary of the grant date, 3,300 will vest on the second anniversary of the grant date and 3,300 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the "Company"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of common stock of the Company.

The restricted stock units reported as disposed herein were settled for shares of common stock of the Company.

On March 31, 2024, the reporting person was granted 8,250 restricted stock units, of which 2,750 vested on the first anniversary of the grant date and 2,750 vested on the second anniversary of the grant date. All 2,750 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2024. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.