Item 4. Mine Safety Disclosures

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Not applicable.

Executive Officers of the Registrant

Craig A. Feldman (54), Executive Vice President of Raw Materials, was named EVP in April 2018. He continues to serve as President of The David J. Joseph Company (DJJ), a role he has held since 2013. Mr. Feldman began his career as a Brokerage Representative for DJJ in 1986, subsequently serving as District Manager of DJJ’s Salt Lake City brokerage office, Commercial Vice President at DJJ’s subsidiary, Western Metals Recycling (“WMR”), and President of WMR. Mr. Feldman served on the operational staff of DJJ’s then-owner in the Netherlands from 2005 until his 2007 appointment as DJJ’s Executive Vice President, Recycling Operations. Mr. Feldman became a Vice President and General Manager of Nucor when DJJ was acquired by Nucor in 2008.

John J. Ferriola (66), has served as Chairman of the Board of Directors of Nucor since 2014, as Chief Executive Officer since 2013 and as President since 2011. Previously, Mr. Ferriola served as President and Chief Operating Officer from 2011 to 2012 and, prior to that, as Chief Operating Officer of Steelmaking Operations from 2007 to 2010, Executive Vice President from 2002 to 2007 and Vice President from 1996 to 2001. He has also been a director of Nucor since 2011. Mr. Ferriola joined Nucor in 1991 as the Manager of Maintenance and Engineering at Nucor Steel-Texas. He later served as General Manager of Vulcraft-Texas, Nucor Steel-Nebraska and Nucor Steel-Indiana.

James D. Frias (62), has been Chief Financial Officer, Treasurer and Executive Vice President since 2010. Prior to that, Mr. Frias was Vice President of Finance from 2006 to 2009. Mr. Frias joined Nucor in 1991 as Controller of Nucor Building Systems-Indiana. He also served as Controller of Nucor Steel-Indiana and as Corporate Controller. Mr. Frias joined the board of directors of Carlisle Companies Incorporated in 2015.

Ladd R. Hall (62), Executive Vice President of Flat-Rolled Products, was named EVP in 2007, having previously served as Vice President of Nucor since 1994. He began his Nucor career in Inside Sales at Nucor Steel-Utah in 1981. He later served as Sales Manager of Vulcraft-Utah, and General Manager of Vulcraft-Texas, Vulcraft-Utah, Nucor Steel-South Carolina and Nucor Steel-Berkeley County.

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Raymond S. Napolitan, Jr. (61), Executive Vice President of Engineered Bar Products, was named EVP in 2013, having previously served as President of Nucor’s Vulcraft/Verco group from 2010 to 2013 and President of American Buildings Company from 2007 to 2010. He was elected Vice President of Nucor in 2007. Mr. Napolitan began his Nucor career in 1996 as Engineering Manager of Nucor Building Systems-Indiana, and later served as General Manager of Nucor Building Systems-Texas.

R. Joseph Stratman (62), Chief Digital Officer (“CDO”) and Executive Vice President, was named EVP in 2007 and CDO in 2016. He was elected Vice President of Nucor in 1999. Mr. Stratman joined Nucor in 1989 as Controller of Nucor Building Systems-Indiana. He then served as Controller of Nucor-Yamato Steel Company (Limited Partnership) (“Nucor-Yamato”), General Manager of Nucor Steel-Nebraska and General Manager of Nucor-Yamato.

David A. Sumoski (52), Executive Vice President of Merchant and Rebar Products, was named EVP in 2014. He previously served as General Manager of Nucor Steel Memphis, Inc. from 2012 to 2014 and as General Manager of Nucor Steel Marion, Inc. from 2008 to 2012. Mr. Sumoski was named Vice President of Nucor in 2010. He began his career with Nucor as an electrical supervisor at Nucor Steel-Berkeley in 1995, later serving as Maintenance Manager.

Leon J. Topalian (50), was named Executive Vice President of Beam and Plate Products in 2017, having previously served as Vice President of Nucor since 2013. He began his Nucor career at Nucor Steel-Berkeley in 1996, serving as a project engineer and then as cold mill production supervisor. Mr. Topalian was promoted to Operations Manager for Nucor’s former joint venture in Australia and later served as Melting and Casting Manager at Nucor Steel-South Carolina. He then served as General Manager of Nucor Steel Kankakee, Inc. from 2011 to 2014 and as General Manager of Nucor-Yamato from 2014 to 2017.

D. Chad Utermark (50), Executive Vice President of Fabricated Construction Products, was named EVP in 2014. He previously served as General Manager of Nucor-Yamato from 2011 to 2014 and as General Manager of Nucor Steel-Texas from 2008 to 2011. He was named Vice President of Nucor in 2009. Mr. Utermark began his Nucor career as a utility operator at Nucor Steel-Arkansas in 1992, subsequently serving as shift supervisor and Hot Mill Manager at that division as well as Roll Mill Manager at Nucor Steel-Texas.

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PART II