1. Morgan Stanley Basic Materials Conference February 17, 2009

2. 2 NUCOR = LONG-TERM PROFITABLE GROWTH Nucor’s Growth Record Nucor’s Position of Strength for Future Growth Nucor’s Multi-Pronged Growth Strategy

3. 3 NUCOR’S GROWTH RECORD

4. 44 LONG-TERM PROFITABLE GROWTH Net Income 1966-2008 (millions of dollars) 20 +% CAGR

5. 55 LONG-TERM PROFITABLE GROWTH Net Income 2000-2008 (millions of dollars) 25% CAGR

6. 6 LONG-TERM PROFITABLE GROWTH 2004-2008 Return On Equity (average annual ROE %)

7. 7 LONG-TERM PROFITABLE GROWTH Cash Dividends Paid 2000-2008 (millions of dollars)

8. 8 NUCOR’S POSITION OF STRENGTH For Future Growth

9. 9 NUCOR’S POSITION OF STRENGTH Financial Strength Variable Cost Structure Diversified Product Mix Market Leadership Positions OUR PEOPLE!!!

10. 10 Q4-2008 balance sheet: Debt of $3.3 billion; Debt = 28% Of Total Capital; Weighted average coupon rate on debt < 6%; $3.1 billion of our debt matures in 2012 & beyond (approx. $2.2 billion after 2017); No commercial paper borrowings; Cash & short-term investments of $2.4 billion Debt Rated “A+” By S&P And “A1” By Moody’s – Highest North American Metals/Mining Debt Ratings. Simple Capital Structure – and no off-balance sheet financing arrangements Superior Financial Flexibility – very successful work raising $4.3 billion of long-term capital in late 2007 and first half 2008. In November 2007, issued $1.3 billion of long-term debt (weighted average coupon rate of 5.78%). In May-June 2008, issued equity of $2 billion ($74/share) and long-term debt of $1.0 billion (weighted average coupon rate of 5.78%). Financial Strength

11. 11 Financial Strength Cash From Operations 2000-2008 (millions of dollars)

12. 12 Variable Cost Structure

13. 13 Diversified Product Mix 2008 S ales Tons PRODUCT DIVERSIFICATION REDUCES EARNINGS VOLATILITY!!! Nucor is North America’s Most Diversified Steel Producer

14. 14 Diversified Product Mix Steel Production Capacity (tons) Hot Rolled Sheet ( Cold Rolled Sheet4.1 million) (Galvanized1.5 million) 10.8 million Bars8.9 million Structural 3.7 million Plate2.8 million Total Steel 26.2 million

15. 15 Diversified Product Mix Steel Products Production Capacity (tons) Steel Joists715,000 Steel Deck530,000 Cold Finished Bars860,000 Steel Buildings465,000 Rebar Fabrication1,563,000 Mesh 233,000 Metal Grating 90,000 Fasteners 75,000 Total Steel Products4.5 million

16. 16 Market Leadership in North America Position Largest Structural Producer Largest Bar Producer Largest Rebar Producer Largest Cold Finished Bar Producer Largest Steel Joist Producer Largest Steel Deck Producer Largest Rebar Fabrication, Distribution, & Placement Company 2 nd Largest Plate Producer 3 rd Largest Metal Buildings Producer 4 th Largest Sheet Producer

17. 17 It Starts With Our Culture LONG-TERM FOCUS COMMITMENT TO EMPLOYEES – Relationships Based on Trust SAFETY FIRST!!! TEAMWORK PAY FOR PERFORMANCE CONTINUAL IMPROVEMENT DECENTRALIZED STRUCTURE Nucor has been PROFITABLE EVERY YEAR SINCE 1966 – and No Layoff Practice Followed Over This Time Period Nucor’s Employees Take Ownership Of Taking Care Of Our Customers & Shareholders!!!

18. 18 Nucor’s Multi-Pronged Growth Strategy

19. 19 NUCOR’S FOCUS: PROFITABLE GROWTH NUCOR’S 4 PRONGED GROWTH STRATEGY 1. OPTIMIZE EXISTING OPERATIONS 2. GREENFIELD GROWTH –New Technologies –Marketplace Niches 3. INTERNATIONAL GROWTH through JOINT VENTURES 4. PURSUE STRATEGIC ACQUISITIONS Nucor’s Position of STRENGTH

20. 20 NUCOR’S FOCUS: PROFITABLE GROWTH MULTIPLE GROWTH PLATFORMS 1. CORE BUSINESS 2. UPSTREAM – David J. Joseph scrap business; Nucor Steel Louisiana pig iron project 3. DOWNSTREAM – Harris Steel rebar fabrication; metal buildings 4. INTERNATIONAL – Nucor Europe & Nucor Mexico 5. TECHNOLOGY – Castrip® Nucor’s Multi- Pronged Growth Strategy

21. 21 Growth Platform – Core Business Memphis SBQ Mill Decatur Galvanizing Facility Sheet Mill Group’s Growing Value-Added Product Portfolio (interstitial-free steels, dual-phase steels, complex-phase steels) North Carolina Plate Mill Heat Treating Facility Arizona Rolling Mill For Straight-Length Rebar, Coiled Rebar, & Coiled Wire Rod

22. 22 61 Scrap Processing Facilities Growth Platform – Scrap

23. 23 Growth Platform – Rebar Fabrication Harris “RPG” Reinforcing Steel Fabrication Plants  23 Canadian Facilities  23 U.S. Facilities Rebar: Mills & Fab. Facilities Nucor Rebar Producing Mills  10 U.S. Facilities Ambassador Steel  21 U.S. Facilities Hawaii

24. 24 Growth Platform – International Duferdofin-Nucor beams & long products joint venture San Giovanni San Zeno Pallanzeno Italy Sicily Giammoro

25. 25 Growth Platform – Castrip® (ladle through hot band) Castrip® Energy & Emissions Comparison (ladle through hot band) 0.00 0.05 0.10 0.15 0.20 0.25 GGE (t CO2 equiv/t).02.12.22 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 Energy Consumed (GJ/t).2 1.0 1.7

26. 26 “If, during the bad times, we had failed to look past the short-term consideration of this quarter’s earnings, would we have gone on to compile such a record of sustained growth and profitability? I’m certain we would not.” “If management had thought of our employees as nothing but “headcount” — a term that seems far more appropriate to cattle than to people – would they be as motivated and productive as they are today? Again, the answer is clearly no.”

27. 27 Nucor’s Best Years Are Ahead Of Us Nucor’s facilities Nucor’s capabilities Nucor’s financial strength Nucor’s strategies And, the single most important asset behind Nucor’s success – Nucor’s EMPLOYEES – THE RIGHT PEOPLE!!! NUCOR’S BEST YEARS ARE STILL AHEAD OF US!!!

28. 28 QUESTIONS