Mark D. Millett

Board

Since January 2012

Age

65 years

Education

Earned a bachelor's degree in metallurgy from the University of Surrey, England.

Tenure

Co-founded STLD in 1993, served in various leadership capacities including President and COO, and became CEO in January 2012 before assuming the Board Chair role in May 2021.

Also at Steel Dynamics Inc

BTS

Barry T. Schneider

President and COO

CAG

Christopher A. Graham

SVP, Flat Roll Steel Group

GAP

Glenn A. Pushis

SVP, Special Projects

About

Mark D. Millett is a seasoned executive known for his entrepreneurial spirit and transformative leadership at STLD. He co-founded the company in 1993 and has played multiple key roles throughout his career, helping to build the company into one of the largest domestic steel producers and metals recyclers in North America.

Throughout his career, he has been instrumental in designing and launching all of the company’s steel mills, driving operational success and innovation in the steel industry. His achievements include spearheading critical projects and earning recognition through prestigious awards such as the Willy Korf / Ken Iverson Steel Vision Award in 2024 and multiple Steelmaker of the Year honors.

Beyond his accomplishments at STLD, his involvement as the Past Chairman of the Steel Manufacturers Association underscores his commitment to advocacy and the broader steel community. His leadership style emphasizes teamwork, innovation, and sustainability, reflecting a persistent drive to enhance both company performance and industry standards.

$STLD Performance Under Mark D. Millett

Past Roles

Organization	Role	Date Range	Details
Steel Dynamics, Inc. (STLD)	President and Chief Operating Officer	N/A	Held prior to becoming Chairman and CEO; additionally responsible for the design, construction, and start-up of all steel mills, including the Butler, Indiana flat roll, melting, and casting operations
Steel Dynamics, Inc. (STLD)	Executive Vice President of Metals Recycling and Ferrous Resources	N/A	N/A
Steel Dynamics, Inc. (STLD)	Executive Vice President of Flat Roll Operations	N/A	N/A

Fixed Compensation

Data from FY 2023

Component Name	Amount	Payment Schedule	Additional Details
Salary	$1,485,000	Annual	Fixed annual salary.
All Other Compensation	$117,875	Annual	Includes Insurance Premiums ($3,960 ), Personal Plane Usage Costs ($14,432 ), and other profit-sharing items not individually itemized.

Performance Compensation

Data from FY 2023

Annual Performance Plan

Metric	Value	Details
Type	Cash-based incentive	Based on company performance; specific performance metrics not itemized.
Target Payout	$2,598,750	175% of his annual base salary.
Maximum Payout	$5,197,500	350% of his annual base salary.
Threshold	N/A	No payout threshold is specifically mentioned.
Vesting	Not applicable	Cash incentive paid after the 2023 performance year based on near-record results.
Evaluation Period	Fiscal Year 2023	Performance evaluated over the 2023 fiscal period.

Long-Term Incentive Plan (LTIP)

Metric	Value	Details
Performance Metrics	Revenue Growth, Operating Margin, Cash Flow from Operations as % of Revenue, After-Tax ROIC	Each metric weighted equally at 25%.
Target Award Value	$2,598,750	Corresponds to 27,307 shares.
Maximum Award Value	$5,197,500	Corresponds to 54,613 shares.
Evaluation Period	2023–2025	Three-year performance period with awards vesting in March 2026.
Payout Conditions	Based on comparator rankings	1st/2nd: 100% of maximum; 3rd: 60%; 4th: 40%; 5th/6th: 0%.
Additional Details	Relative performance among peers	Compared against competitors in the steel sector including Cleveland-Cliffs Inc., Commercial Metals Company, among others.