BUILDING EARNINGS POWER FOR THE NEXT UP-CYCLE JANUARY 28, 2014

CAPITAL INVESTED 2

BROAD RANGE OF STRATEGIC INVESTMENTS BUILDING NUCOR’S LONG-TERM EARNINGS POWER 3

CAPITAL INVESTED ($ MILLIONS) STEEL MILLS BARS MEMPHIS SBQ MILL ( ) $350 DARLINGTON ROD MILL ( ) $99 CONNECTICUT REHEAT FURNACE ( ) $23 NEBRASKA SBQ ROLLING MILL UPGRADE ( ) $16 4 AMOUNTS NOT NECESSARILY PROJECT TOTALS – ONLY INCLUDES $s INVESTED OVER PERIOD

CAPITAL INVESTED ($ MILLIONS) STEEL MILLS BEAMS & PILING SKYLINE ACQUISITION (2012) $675 NUCOR-YAMATO SHEET PILING PRODUCT RANGE EXPANSION ( ) $92 5 AMOUNTS NOT NECESSARILY PROJECT TOTALS – ONLY INCLUDES $s INVESTED OVER PERIOD

CAPITAL INVESTED ($ MILLIONS) STEEL MILLS PLATE HERTFORD COUNTY HEAT TREAT FACILITY ( ) $70 HERTFORD COUNTY NORMALIZING LINE ( ) $38 HERTFORD COUNTY DRI HANDLING ( ) $21 HERTFORD COUNTY VACUUM TANK DEGASSER ( ) $17 TUSCALOOSA 2 nd LMF ( ) $12 6 AMOUNTS NOT NECESSARILY PROJECT TOTALS – ONLY INCLUDES $s INVESTED OVER PERIOD

CAPITAL INVESTED ($ MILLIONS) STEEL MILLS SHEET NUMIT SHEET STEEL PROCESSING J.V. ACQ. (2010) $221 DECATUR GALVANIZING FACILITY ( ) $126 BERKELEY COUNTY WIDE-LIGHT ( ) $86 HICKMAN VACUUM TANK DEGASSER ( ) $33 CRAWFORDSVILLE DRI HANDLING ( ) $22 BERKELEY COUNTY DRI HANDLING ( ) $18 7 AMOUNTS NOT NECESSARILY PROJECT TOTALS – ONLY INCLUDES $s INVESTED OVER PERIOD

CAPITAL INVESTED ($ MILLIONS) STEEL MILLS INTERNATIONAL DUFERDOFIN J.V. IN ITALY (BEAMS & BARS) (2008) $671 8

CAPITAL INVESTED ($ MILLIONS) RAW MATERIALS & ENERGY DAVID J. JOSEPH ACQUISITION (2008) $1,440 LOUISIANA DRI FACILITY ( ) $739 NATURAL GAS DRILLING & MIDSTREAM ASSETS ( ) $616 DAVID J. JOSEPH BOLT-ON ACQUISITIONS ( ) $300 TRINIDAD DRI FACILITY EXPANSION (2011) $15 9 AMOUNTS NOT NECESSARILY PROJECT TOTALS – ONLY INCLUDES $s INVESTED OVER PERIOD

CAPITAL INVESTED ($ MILLIONS) DOWNSTREAM PRODUCTS HARRIS STEEL REBAR FABRICATION BOLT-ON ACQUISITIONS ( ) $211 10

NUCOR’S FOCUS = GENERATE ATTRACTIVE RETURNS 11

NUCOR’S ROIC PERFORMANCE AVG = 15.5% “GREAT RECESSION” UP-CYCLE

Cash From Operations (millions of dollars) 13 “GREAT RECESSION”

14 CASH DIVIDENDS PAID 2004 – 2013 Base & Supplemental Dividends (dollars per share) Approx. $5/share in total supplemental dividends from 2005 to 2008 “GREAT RECESSION” 41 CONSECUTIVE YEARS OF INCREASED CASH DIVIDENDS UP-CYCLE