Core Natural Resources 8K 1995. These forward-looking statements are subject to a number of risks | SEC 16 Jan 09

Investor Presentation

NCI Building Systems

Exhibit 99.1

Some comments made in this presentation are “

forward-looking”

statements, as defined in the Private Securities Litigation Reform Act of

1995. These forward-looking statements are subject to a number of risks

and uncertainties that may cause the company’s actual performance to

differ materially from that projected in such statements. Among the factors

that could cause actual results to differ materially are industry cyclicality and

seasonality; fluctuations in customer demand; raw material pricing and

supply; the financial condition of the company’s raw material suppliers;

competitive activity and pricing pressure; ability to make strategic

acquisitions accretive to earnings; general economic conditions affecting the

construction industry; and ability to service or refinance our debt. Investors

should refer to statements regularly filed by the company with the Securities

and Exchange Commission for a discussion of additional factors which

could affect the company’s operations and forward-looking statements

made in this presentation. The company expressly disclaims any obligation

to release publicly any updates or revisions to these forward-looking

statements to reflect any changes in expectations.

Safe Harbor

It is our mission

to produce products and

systems, for the metal construction industry, of

enduring quality

that enhance the beauty, form

and

function

of structures in which people work,

live, play, learn, worship and use for storage and

protection.

Mission Statement

The Market

Nonresidential Market Segments

U.S. Nonresidential Activity

Total Value

Dotted lines are future projections.

(in billions)

Source: FW Dodge

U.S. Nonresidential Activity

Square Footage

Dotted lines represent future projections.

Source: FW Dodge

(in billions)

Peaks and Troughs

Square Footage

Dotted lines represent future projections.

Source: McGraw-Hill

(in billions)

NCI Low-Case Plan

McGraw-Hill Forecast

NCI Overview

Historical Performance and Steel Price Volatility

(in millions)

Adjusted EBITDA

Operating Income

Before Goodwill Amortization for fiscal years 1999-2001

CRU Steel

Price Index

The

CRU

North

American

Steel

Price

Index

has

been

published

the

CRU

since

1994.

It’s

based

survey

industry

participants and

commonly

used

the

settlement

physical

and

financial

contracts

within

the

steel

industry.

The

prices

surveyed

are

purchases for

forward

delivery,

according

lead

time,

which

will

vary

approximately

two

months.

better

align

with

NCI’s

fiscal

year,

the

values

shown

are

from

October

each

year.

(1994

Index

100)

Operating Income & Adjusted EBITDA

With U.S. Nonresidential Activity

Adjusted EBITDA

Operating Income

(in millions)

Before Goodwill Amortization for fiscal years 1999-2001

U.S. Nonresidential Activity

(in billions of

square feet)

Dotted lines represent future projections.

Source for U.S. Nonresidential Activity: McGraw-Hill

NCI Update

LTM 11/2/08

Revenue by Segment

LTM

11/2/08 EBITDA by Segment

•

Leading integrated manufacturer and marketer of

metal products for the nonresidential construction

industry

•

The Company reports operations in three segments

•

Metal Coil Coating

•

Metal Components

•

Engineered Building Systems

•

NCI is a market leader within its reported segments

Key Metrics

Metal Coil

Coating

Metal

Components

34%

Engineered

Building

Systems

60%

Metal Coil

Coating

14%

Metal

Components

36%

Engineered

Building

Systems

50%

(Except stock price, $ in millions)

Ticker (NYSE)

NCS

LTM 11/2/08 Revenue

$1,764.2

LTM 11/2/08 EBITDA

$197.9

EBITDA Margin

11.2%

Backlog as of 11/2/08

$330.0

Stock Price as of 11/2/08

$18.61

Leading Market Positions with Strong Brands

•

Strong market positions in all

operating segments

•

Marketed through a broad

network of builders and

distributors

•

Provides builders a large

variety of products and

services

•

Quality products and brands

drive premium pricing

Source: 2007 NCI/Strategic Decisions Group

Metal Components

Engineered Building Systems

Heavy Gauge Hot Rolled Steel Coating

Light Gauge Coil Coating

Metal Coil Coating

% Market

Est. Rank

NCI

12%

NCI

20%

Genesis (Fabral/Vicwest)

Butler/Varco

19%

Metal Sales

Nucor Building Systems

12%

McElroy

Others

N/A

49%

Copper Sales/UNA Clad

Englert

Others

N/A

61%

Total

100%

Total

100%

% Market

Est. Rank

NCI

45%

Precoat

Metals Division

19%

Hanna Steel

33%

Roll Coater, Inc.

14%

Midwest Metal Coaters

10%

NCI

10%

SDI

10%

MSC Prefinish

Metals

Others

N/A

Others

N/A

50%

Total

100%

Total

100%

Segment EBITDA excludes Corporate Costs of $56.2 MM

NCI Segment Overview

Segment

Metal Coil Coating

Metal Components

Engineered Building Systems

Focus

Cleaning, treating and painting flat rolled

metal coil substrates.

Metal roof and wall systems, metal

partitions, metal doors, etc.

Engineered building systems for low rise

nonresidential markets.

Key Products

Product Utilization

NCI Companies

LTM 11/2/08 Revenue

LTM 11/2/08 EBITDA

$97.0MM

$36.0MM

$600.0MM

$91.5MM

$1,067.2MM

$126.6MM

Roof and wall systems with specialized

product lines for architectural,

commercial/industrial, agricultural and

residential applications; secondary

structural (purlins

and girts), as well as

ancillary accessories such as doors and

trim.

Custom designed, engineered, ready

for assembly primary structural framing,

secondary structural members (purlins,

girts) and metal roofs/walls.

Used by manufacturers of metal

components and engineered building

systems (NCI’s other segments used

approximately 63% of production). Also

sold to other manufacturers of painted

metal goods, such as the appliance

industry.

Third Party Revenue

Metal Coil Coating

PRODUCTS

CUSTOMERS

EBITDA and EBITDA Margin

Revenue and Operating Margin

LIGHT GAUGE

COIL COATING

HEAVY GAUGE

HOT ROLLED

STEEL COATING

Source: Management, Public Filings

Source: 2007 NCI/Strategic Decisions Group

Note: Does not include in-house painters

Roll Coater

14%

Others

50%

MSC

Prefinish

Metals

NCI

10%

Precoat

Metals

Division

19%

Hanna Steel

33%

NCI

45%

SDI

10%

Others

Midwest

Metal

Coaters

10%

($ in thousands)

Operating Margin

($ in thousands)

EBITDA

EBITDA Margin

$127,347

$122,809

$110,758

$117,873

$83,583

$96,957

$26,123

$31,355

$25,356

$30,491

$31,645

$35,955

Metal Components

PRODUCTS

CUSTOMERS

EBITDA and EBITDA Margin

Revenue and Operating Margin

Source: Management, Public Filings

Source: 2007 NCI/Strategic Decisions Group

Others

61%

Englert

Jenisys

(Fabral/Vicwest)

Metal Sales

McElroy Metal

NCI

12%

Copper Sales/

UNA Clad

($ in thousands)

Third Party Revenue

Operating Margin

EBITDA

EBITDA Margin

$473,499

$547,959

$567,005

$670,836

$561,622

$600,010

$54,893

$82,785

$86,377

$101,692

$58,153

$91,478

* Fiscal 2006 and prior were not reclassified for the change in reporting structure that transferred certain segment activities within the Metal Components and Engineered Building Systems

segments in fiscal 2008. Segment information for fiscal 2007 has been reclassified to conform to the fiscal 2008 segment designations.

Engineered Building Systems

PRODUCTS

CUSTOMERS

EBITDA and EBITDA Margin

Revenue and Operating Margin

Source: 2007 NCI/Strategic Decisions Group

Source: Management, Public Filings

NCI

20%

Others

49%

Nucor Building

Systems

12%

Butler

Manufacturing/

Varco Pruden

19%

($ in thousands)

Third Party Revenue

Operating Margin

EBITDA

EBITDA Margin

$297,304

$414,095

$452,303

$781,773

$979,863

$1,067,192

$24,189

$40,489

$53,775

$83,304

$132,895

$126,629

* Fiscal 2006 and prior were not reclassified for the change in reporting structure that transferred certain segment activities within the Metal Components and Engineered Building Systems

segments in fiscal 2008. Segment information for fiscal 2007 has been reclassified to conform to the fiscal 2008 segment designations.

Efficient Distribution Model

•

39 manufacturing facilities

across the United States and

Mexico, with additional sales and

distribution offices throughout

the nation and Canada.

•

Places manufacturing and

distribution operations closer to

our customers

•

Faster and lower cost delivery

•

Reduces the need for substantial

labor, machinery and inventory

investments at each facility

•

Reduces the impact of regional

economic cycles

NCI Metal Coil Coating

NCI Metal Components

NCI Engineered Building Systems

Manufacturing Plants

•

High volume steel purchaser

•

Each segment uses similar types of steel

•

Allows Company to obtain better pricing and

service from suppliers

•

Ability to receive contract pricing without

long term contracts

•

Close management of raw material purchases

•

Proven ability to pass along steel price increases

•

Automation of manufacturing process

•

Employment of nationwide distribution network

•

Efficient engineering and drafting systems

allowing for accurate and quicker overall

production of low, medium and higher complexity

work

•

Plants located in low-cost regions

•

Material resource planning

•

Lower scrap / material waste

Engineered Buildings Steel Cost Increases vs.

Sales Price Increases

NCI Annual Steel Spend in 2008

Note: Pricing estimates were used prior to 2003

% of Total

Steel Vendor

Steel Spend

24%

Top 7 Steel Vendors

56%

All Other Steel Suppliers

44%

Prudent Cost Management

-25%

-5%

15%

35%

55%

75%

Q1-00

Q1-01

Q1-02

Q1-03

Q1-04

Q1-05

Q1-06

Q1-07

Cumulative Sales Price Change

Cumulative Cost Change

Volume (Tons)

Price (per Ton)

10%

12%

14%

16%

18%

20%

22%

10%

11%

12%

13%

14%

15%

Volume vs. Price Changes

And the Effect on Operating Income Margin

1% Increase in Volume or Price

Strategy

Integrated Business Model Well Positioned for Growth

•

Vertically integrated producer

•

Positioned to capitalize on material

conversion trends and green initiative

•

Faster turnaround times –

majority of

orders are completed in 1 –

3 months

•

Metal continues to gain greater market share

•

Metal roofs currently account for less

than 10% of total roofing material

expenditures

•

Current NCI backlog remains very strong

and builder network continues to grow

•

Actively pursue market leading initiatives

•

Green initiative

•

Supply chain efficiency and automation

•

Increase awareness and pull demand

from end markets

•

Engineering advances to increase design

complexity and decrease overall

engineering times

Projected Green Building Market

Metal Growth

$90

$180

$270

$360

$450

2007

2008

2009

2010

2011

2012

Expected Green Metal Buildings Market

Incremental Green Opportunity

($ in millions)

Source: MBMA, McGraw-Hill and Management Estimates

Source: 2007 NCI/Strategic Decisions Group

120

240

360

480

600

2001

2002

2003

2004

2005

2006

25%

29%

33%

37%

41%

45%

Low Rise Square Footage

Percent Metal

(millions)

2008 Five-Year Growth Strategy

Corporate-Wide Initiatives

•

Implement common ERP platform, Financial Shared Services model and Supply

Chain automation and efficiencies to allow for more cost reductions across all

divisions

•

Accumulate cash for debt repayment or stock repurchase

•

Successfully capture share of growing Green building market

•

Continue to identify and assess opportunistic acquisitions

•

Continue to focus on delivering quality products and customer service

Coatings Division

•

Substantially increase Coatings Division external package sales

•

Targeting $2 -

4 million addition to bottom line

Components Division

•

Expand Insulated Panel product offering through OEM purchase arrangement

and start construction of new plant

•

Maintain pricing discipline in Components business

•

Continue rollout of Components web-based order entry system

Buildings Division

•

Continue RCC merger integration

•

$25 million in synergies by 2010

•

Common Engineering and Drafting Systems

•

Sharing of best practices

•

Further integration of RCC into Hub and Spoke Distribution model

•

Expand low-cost Frame plant

•

Deploy web-based pricing software for small buildings to NCI’s Builder Networks

Financial Data

NCI Performance vs. The Industry

Overall Nonresidential Construction Spending

Source: FW Dodge

NCI

MBCI

$550

$696

$816

After Merger

Outstanding Debt

Adjusted EBITDA LTM

$865

$937

$1,018

$955

$953

$898

$1,085

$1,130

$1,571

$1,625

Sharp downturn

Best-ever industry growth

$1,764

For Fiscal Quarters 2004 through Q4 2008

Net Income [in millions]

SALES [in millions]

Quarterly Sales & Net Income

Sales

$408

($ in millions)

NCI

MBCI

After Merger

$408

Earnings Per Share

Includes $0.29 in 2004 for debt extinguishment.

Includes $0.06 benefit for group medical.

Includes the adoption of FAS 123(R) expense of $0.10 and the dilutive impact of the convertible notes of $0.18.

Includes the dilutive impact of the convertible notes of $0.15.

Excludes the dilutive impact of the convertible notes, if any, because that amount will depend on the future trading price of our stock.

* Adjusted EBITDA is defined in the Company’s credit facilities and is calculated on Appendix I and II.

($ in millions)

Adjusted EBITDA *

Operating Segment Results

Fiscal Year 2007 vs. Fiscal Year 2008

Fiscal Year 2007

THIRD PARTY SALES

$1,625 million

Fiscal Year 2007

OP PROFIT

$188 million*

Fiscal Year 2008

THIRD PARTY SALES

$1,764 million

Fiscal Year 2008

OP PROFIT

$219 million*

* Before Corporate Expenses.

Engineered Building Systems

60%

Metal Components

35%

Metal Coil Coating

Engineered Building Systems

60%

Metal Components

27%

Metal Coil Coating

13%

Engineered Building Systems

49%

Metal Components

38%

Metal Coil Coating

13%

Engineered Building Systems

60%

Metal Components

34%

Metal Coil

Coating

78,881

35,588

(81,843)

698

14,295

47,619

24,803

26,529

914

2,226

( 6,853)

47,619

Cash Flow

Before cumulative effect of change in accounting principle

Excludes $180,000 convertible debt

Excludes $200,000 additional term loan borrowings

2005

2003

2002

2001

2000

2004

2006

22,800

23,007

23,191

2,401

4,161

75,560

17,912

48,550

4,310

114

4,674

75,560

31,314

22,883

3,949

2,931

6,878

67,955

9,175

70,200

175

(11,595)

67,955

16,535

34,866

26,331

3,020

8,210

88,962

15,026

49,380

5,521

909

18,126

88,962

44,407

33,487

(6,347)

721

4,456

76,724

28,885

16,105

24,408

20,416

(13,090)

76,724

44,890

22,974

(50,139)

16,409

9,321

43,455

9,327

32,050

8,060

(5,982)

43,455

55,951

24,488

31,654

9,362

7,292

128,747

19,524

23,700

4,954

27,399

40,676

12,494

128,747

73,796

31,089

12,699

8,518

8,551

134,653

27,056

78,511

594

366,598

37,572

(375,678)

134,653

($ in thousands)

2008

Net Income

Depreciation & Amortization

Changes in Working Capital

Proceeds from Stock Options Exercised

Other

Total Sources of Cash

Capital Expenditures

Debt Repayment, Net

Payment of Refinancing

Acquisitions

Repurchase of Stock

Increase (Decrease) in Cash

Total Uses of Cash

SOURCES

USES

63,729

35,535

40,005

3,923

6,095

149,287

42,041

947

20,086

36,122

50,016

149,287

2007

$ 68

$ 293

$ 180

$ 1

$ 474

$ 624

$1,098

43%

39%

8.5 X

2.4 X

2.1 X

$ 75

$ 315

$ 180

$ 2

$ 497

$ 540

$1,037

48%

44%

6.1 X

2.8 X

2.4 X

July 29, 2007

Capitalization

Current Debt Ratings: Moody’s –

Ba2/stable

S & P –

BB/positive

($ in millions)

Cash

$125 Million Revolver due 2009

$400 Million Term Loan due 2010

$180 Million Convertible Notes due 2024

Industrial Revenue Bond

Total Debt

Total Stockholders’

Equity

Total Book Capitalization

Total Debt/Book Capitalization

Net Debt/Book Capitalization

LTM EBITDA/Interest

Total Debt/LTM EBITDA

Net Debt/LTM EBITDA

NCI completed the acquisition of Garco

on January 31, 2007. Existing cash of $15.4 million

and stock of $1.8 million were utilized to fund the purchase price.

$ 5

$ 44

$ 315

$ 180

$ 3

$ 542

$ 512

$1,054

5.9 X

3.0 X

Apr. 29, 2007

Nov. 2, 2008

Oct. 28, 2007

Jan. 27, 2008

$ 26

$ 293

$ 180

$ 2

$ 475

$ 546

$1,021

47%

45%

6.1 X

2.7 X

2.6 X

$ 7

$ 315

$ 180

$ 2

$ 497

$ 535

$1,032

6.1 X

2.8 X

2.7 X

Debt excludes $3.2 million and $1.3 million for a note payable related to insurance premiums

at April 27, 2008 and July 27, 2008, respectively.

$ 36

$ 293

$ 180

$ 2

$ 475

$ 564

$1,039

7.0 X

2.5 X

2.3 X

Apr. 27, 2008

$ 40

$ 293

$ 180

$ 2

$ 475

$ 599

$1,074

44%

42%

8.1 X

2.4 X

2.2 X

July 27, 2008

Debt/Total Book Capitalization

* Net Debt/Book Capitalization

Appendix I

Reconciliation of Quarterly Adjusted EBITDA To Net Income

Note: Adjusted EBITDA is defined in the Company’s credit facilities, as amended from time to time.

($ in thousands)

Trailing

12 mo.

78,881

51,499

23,307

34,736

9,504

197,927

19,808

15,691

3,615

6,373

1,183

46,670

2005

2004

5,768

4,041

4,578

5,673

793

20,853

7,693

5,267

4,304

5,787

1,209

24,260

8,395

6,683

3,736

5,749

1,228

336

9,879

36,006

23,034

13,776

2,508

5,765

1,850

347

47,280

10,722

7,333

3,091

5,803

1,448

705

29,102

2005

10,732

7,149

3,524

5,806

1,494

952

29,657

2005

14,689

10,087

3,923

6,506

907

844

36,956

2005

2006

12,893

8,252

4,119

6,267

1,895

33,426

2006

11,179

7,186

5,368

6,776

2,138

32,647

2006

21,675

12,655

7,969

8,554

2,111

52,964

2006

28,049

17,143

7,231

8,692

1,017

62,132

2007

10,453

6,628

7,235

8,156

1,860

34,332

6,511

4,309

7,363

7,918

2,288

28,389

21,328

13,846

7,149

9,308

2,262

53,893

25,437

16,313

6,853

9,301

2,200

60,104

Net Income

Income Taxes

Interest Expense

Depreciation &

Amortization

401(k)

Stock Contributions

Stock-Based

Compensation

Debt Refinancing

ADJUSTED EBITDA

2008

7,510

4,702

6,847

9,131

2,871

31,061

2008

14,866

9,410

5,533

8,632

3,442

41,883

2008

31,891

19,425

5,306

8,652

1,563

66,837

2008

24,614

17,962

5,621

8,321

1,628

58,146

Appendix II

Reconciliation of Annual Adjusted EBITDA To Net Income

Note: Adjusted EBITDA is defined in the Company’s credit facilities, as amended from time to time.

Includes a non-cash charge of $67.4 million from adopting SFAS No. 142, Goodwill and Other Intangible Assets

($ in thousands)

Net Income

Income Taxes

Interest Expense

Depreciation &

Amortization

401(k)

Stock Contributions

Stock-Based

Compensation

Non-Cash Real Estate

Write Down, Net of Tax

Debt Refinancing

Cumulative Effects of

Accounting Change,

Net of Tax

ADJUSTED EBITDA

24,814

15,076

108

5,791

1,155

46,944

27,887

16,238

163

7,876

1,604

53,768

37,318

24,531

20,756

17,818

2,219

102,642

44,577

32,294

35,449

28,542

4,144

1,001

146,007

16,535

16,151

33,090

34,866

3,491

1,330

105,463

(33,773)

19,970

21,591

22,883

3,581

808

65,087

100,147

22,800

14,758

19,777

23,007

3,229

391

83,962

55,951

40,260

14,153

24,488

3,849

3,684

142,385

44,890

29,767

15,126

22,974

5,080

683

9,879

128,399

44,407

32,866

39,069

33,487

3,677

153,506

78,881

51,499

23,307

34,736

9,504

197,927

2003

2002

2001

2000

1996

1997

1998

1999

2005

2004

2008

73,796

45,236

24,687

30,289

7,161

181,169

2006

63,729

41,096

28,600

34,683

8,610

176,718

2007

77,205

54,140

23,065

6,567

189,242

28,646

160,596

19,069

291,363

11,450

279,913

38,427

557,810

94,236

463,574

47,779

14%

28%

34%

35%

12%

52%

60%

14%

100%

10%

305,657

208,700

96,957

29,381

715,255

115,245

600,010

82,094

1,110,534

43,342

1,067,192

107,851

2,131,446

367,287

1,764,159

154,710

( )

272,543

188,960

83,583

25,136

663,331

101,709

561,622

49,609

1,021,544

41,681

979,863

113,265

1,399,608

238,114

1,161,494

83,955

72,479

50,082

22,397

8,621

201,878

33,043

168,835

25,227

331,767

14,068

317,699

33,607

606,124

97,193

508,931

50,987

( )

Appendix III

Reconciliation of Segment Sales to Third Party Segment Sales

Metal Coil Coating

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Metal Components

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Engineered Building Systems

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Consolidated

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Q4 2007*

Q4 2008*

YTD Q4 2007*

YTD Q4 2008*

14%

30%

34%

14%

52%

61%

10%

100%

14%

30%

34%

35%

52%

60%

12%

100%

12%

38%

33%

15%

55%

63%

11%

100%

10%

($ in thousands)

( )

During

the

fourth

quarter

fiscal

2008,

changed

reporting

structure

and

management

team

responsibilities

better

align

certain

NCI’s

products

respond

effectively

current

market

opportunities.

result

the

change,

have

transferred

certain

segment

activities

within

the

Metal

Components

and

Engineered

Building

Systems

segments

fiscal

2008.

Segment

information

for

fiscal

2007

has

been

reclassified

conform

the

fiscal

2008

segment

designations.

72,275

49,013

23,262

8,165

178,312

26,849

151,463

14,153

271,151

11,795

259,356

33,575

521,738

87,657

434,081

42,247

14%

35%

34%

35%

52%

60%

13%

100%

10%

233,178

158,618

74,560

20,760

513,377

82,202

431,175

56,867

778,767

29,274

749,493

74,244

1,525,322

270,094

1,255,228

103,723

( )

195,338

134,820

60,518

18,569

474,089

73,063

401,026

30,540

730,181

30,231

699,950

74,838

1,525,322

270,094

1,255,228

103,723

90,732

62,842

27,890

11,360

202,826

34,367

168,459

32,174

292,715

11,468

281,247

28,514

586,273

108,677

477,596

55,715

( )

Appendix III (con’t)

Reconciliation of Segment Sales to Third Party Segment Sales

Metal Coil Coating

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Metal Components

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Engineered Building Systems

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Consolidated

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Q3 2007*

Q3 2008*

YTD Q3 2007*

YTD Q3 2008*

15%

28%

34%

13%

51%

60%

10%

100%

14%

31%

34%

35%

52%

60%

11%

100%

15%

41%

35%

19%

50%

59%

10%

100%

12%

($ in thousands)

( )

63,844

43,019

20,825

5,761

149,684

23,376

126,308

7,548

229,861

9,082

220,779

17,315

443,389

75,477

367,912

17,475

14%

28%

34%

52%

60%

100%

142,446

95,776

46,670

9,400

310,551

47,835

262,716

24,693

486,052

17,806

468,246

45,730

939,049

161,417

777,632

48,008

( )

123,063

85,807

37,256

10,404

295,777

46,214

249,563

16,387

459,030

18,436

440,594

41,263

877,870

150,457

727,413

41,708

80,171

52,883

27,288

6,705

165,384

26,031

139,353

15,171

259,653

10,151

249,502

25,292

505,208

89,065

416,143

29,512

( )

Appendix III (con’t)

Reconciliation of Segment Sales to Third Party Segment Sales

Metal Coil Coating

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Metal Components

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Engineered Building Systems

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Consolidated

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Q2 2007*

Q2 2008*

YTD Q2 2007*

YTD Q2 2008*

15%

20%

33%

34%

52%

60%

10%

100%

14%

28%

34%

52%

61%

100%

16%

25%

33%

11%

51%

60%

10%

100%

($ in thousands)

( )

59,219

42,788

16,431

4,643

146,093

22,838

123,255

8,839

229,169

9,354

219,815

23,948

434,481

74,980

359,501

24,233

14%

28%

33%

34%

53%

61%

11%

100%

62,275

42,893

19,382

2,695

145,167

21,804

123,363

9,522

226,399

7,655

218,744

20,438

433,841

72,352

361,489

18,496

( )

Appendix III (con’t)

Reconciliation of Segment Sales to Third Party Segment Sales

Metal Coil Coating

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Metal Components

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Engineered Building Systems

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Consolidated

Total Sales

Inter-segment

Third Party Sales

Operating Profit

Q1 2007*

Q1 2008*

14%

34%

52%

61%

100%

($ in thousands)

( )

***

NCI Building Systems, Inc.

10943 N. Sam Houston Parkway West

Houston, Texas 77064

281.897.7788

NYSE Symbol: NCS

www.ncilp.com

***********

*********

Core Natural Resources 8-K1995. These forward-looking statements are subject to a number of risks