EXXON MOBIL CORPORATION

2Q04 INVESTOR RELATIONS DATA SUMMARY (PAGE 1 of 6)

Net Income (U.S. GAAP), $M

2Q04

1Q04

4Q03

3Q03

2Q03

Upstream

  United States

1,237

1,154

856

883

907

  Non-U.S.

2,609

2,859

2,413

1,819

1,931

  Total

3,846

4,013

3,269

2,702

2,838

Downstream

  United States

907

392

384

371

419

  Non-U.S.

600

612

352

540

727

  Total

 1,507

 1,004

 736

 911

 1,146

Chemical

  United States

148

118

212

25

128

  Non-U.S.

459

446

264

205

311

  Total

607

564

476

230

439

Corporate and financing

(170)

(141)

2,169

(193)

(253)

Net income (U.S. GAAP)

 5,790

 5,440

 6,650

 3,650

 4,170

Net income per common share (U.S. GAAP)

0.89

0.83

1.01

0.55

0.63

Net income per common share

 - assuming dilution (U.S. GAAP)

0.88

0.83

1.01

0.55

0.62

Special Items $M

Upstream

  United States

0

0

0

0

0

  Non-U.S.

0

0

0

0

0

  Total

0

0

0

0

0

Downstream

  United States

0

0

0

0

0

  Non-U.S.

0

0

0

0

0

  Total

0

0

0

0

0

Chemical

  United States

0

0

0

0

0

  Non-U.S.

0

0

0

0

0

  Total

0

0

0

0

0

Corporate and financing

0

0

2,230

0

0

Corporate total

0

0

 2,230

0

0

Earnings Excluding Special Items $M

Upstream

  United States

1,237

1,154

856

883

907

  Non-U.S.

2,609

2,859

2,413

1,819

1,931

  Total

3,846

4,013

3,269

2,702

2,838

Downstream

  United States

907

392

384

371

419

  Non-U.S.

600

612

352

540

727

  Total

1,507

1,004

736

911

1,146

Chemical

  United States

148

118

212

25

128

  Non-U.S.

459

446

264

205

311

  Total

607

564

476

230

439

Corporate and financing

(170)

(141)

(61)

(193)

(253)

Corporate total

5,790

5,440

4,420

3,650

4,170

EPS excluding Special Items - assuming dilution

0.88

0.83

0.68

0.55

0.62

EXXON MOBIL CORPORATION

2Q04 INVESTOR RELATIONS DATA SUMMARY (PAGE 2 of 6)

Supplemental Information (continued)

Net production of crude oil and

2Q04

1Q04

4Q03

3Q03

2Q03

natural gas liquids, kbd

  United States

575

598

607

595

603

  Canada

356

369

364

370

372

  Europe

608

607

589

541

565

  Asia-Pacific

198

216

236

241

241

  Africa

542

543

500

456

399

  Other Non-U.S.

302

302

299

282

297

 Total liquids production

2,581

2,635

2,595

2,485

2,477

Natural gas production available

for sale, mcfd

  United States

1,987

2,076

2,038

2,179

2,362

  Canada

974

1,009

994

943

906

  Europe

3,696

6,014

5,467

2,711

3,524

  Asia-Pacific

1,590

1,591

1,711

1,860

1,890

  Other Non-U.S.

754

777

648

630

601

 Total natural gas production available for sale

9,001

11,467

10,858

8,323

9,283

Total worldwide liquids and gas production, koebd

4,081

4,546

4,405

3,872

4,024

Refinery throughput, kbd

  United States

1,854

1,781

1,874

1,850

1,815

  Canada

441

478

445

451

459

  Europe

1,671

1,616

1,626

1,598

1,573

  Asia-Pacific

1,314

1,412

1,345

1,364

1,347

  Other Non-U.S.

309

309

313

292

297

 Total refinery throughput

5,589

5,596

5,603

5,555

5,491

Petroleum product sales, kbd

  United States

2,865

2,758

2,912

2,722

2,706

  Canada

584

615

622

591

580

  Europe

2,106

2,128

2,102

2,092

2,064

  Asia-Pacific

1,585

1,725

1,693

1,637

1,566

  Other Non-U.S.

883

900

908

889

879

 Total petroleum product sales

8,023

8,126

8,237

7,931

7,795

  Gasolines, naphthas

3,302

3,157

3,342

3,308

3,263

  Heating oils, kerosene, diesel

2,360

2,651

2,568

2,360

2,284

  Aviation fuels

679

659

673

672

643

  Heavy fuels

649

642

662

622

623

  Specialty products

1,033

1,017

992

969

982

Total petroleum product sales

8,023

8,126

8,237

7,931

7,795

Chemical product revenue, $M

  United States

$3,466

$2,938

$2,448

$2,630

$2,486

  Non-U.S.

4,760

4,464

4,036

3,594

3,629

 Total chemical product revenue

$8,226

$7,402

$6,484

$6,224

$6,115

Chemical prime product sales, kt

  United States

 2,925

 2,803

 2,717

 2,664

 2,509

  Non-U.S.

4,005

3,989

3,975

3,996

3,826

 Total chemical prime product sales

 6,930

 6,792

 6,692

 6,660

 6,335

EXXON MOBIL CORPORATION

2Q04 INVESTOR RELATIONS DATA SUMMARY (PAGE 3 of 6)

Supplemental Information (continued)

Average Realization Data

2Q04

1Q04

4Q03

3Q03

2Q03

United States

  ExxonMobil

    Crude ($/B)

33.80

31.20

26.73

25.70

23.81

    Natural Gas ($/kCF)

5.84

5.59

4.59

4.92

5.22

  Benchmarks

    WTI ($/B)

38.31

35.23

31.16

30.18

29.02

    ANS-WC ($/B)

37.02

34.14

29.44

28.83

27.05

   Henry Hub ($/MBTU)

6.00

5.69

4.58

4.97

5.40

Non-U.S.

  ExxonMobil

    Crude ($/B)

33.68

30.55

28.11

27.25

25.39

    Natural Gas ($/kCF)

4.03

4.43

4.08

3.52

3.75

    European NG ($/kCF)

4.05

4.57

4.38

3.64

3.92

  Benchmarks

    Brent ($/B)

35.36

31.95

29.41

28.41

26.03

Capital and Exploration Expenditures, $M

Upstream

  United States

 464

 455

 571

 539

 526

  Non-U.S.

2,376

2,249

2,733

2,440

2,395

  Total

 2,840

 2,704

 3,304

 2,979

 2,921

Downstream

  United States

 196

 202

 291

 312

 333

  Non-U.S.

428

308

528

356

380

  Total

 624

 510

 819

 668

 713

Chemical and Administrative

  United States

 69

 97

 133

 94

 107

  Non-U.S.

84

90

104

97

90

  Total

 153

 187

 237

 191

 197

Total Capital and Exploration Expenditures

 3,617

 3,401

 4,360

 3,838

 3,831

Exploration Expense Charged to Income, $M

  Consolidated - United States

46

39

144

38

39

                            - Non-U.S.

164

131

306

184

138

  Non-consolidated - ExxonMobil share - United States

0

0

0

0

1

                                                                       - Non-U.S.

0

4

6

3

4

Total Exploration Expense Charged to Income

210

174

456

225

182

Effective Income Tax Rate, %

40.5%

41.8%

31.4%

40.3%

39.8%

Common Shares Outstanding (millions)

  At quarter end

 6,506

 6,540

 6,568

 6,610

 6,652

  Average

 6,506

 6,544

 6,580

 6,619

 6,654

  Average - assuming dilution

 6,547

 6,582

 6,612

 6,652

 6,687

Cash Flows from Operations and Asset Sales ($G)

  Net cash provided by operating activities

 8.7

 10.1

 6.8

 5.7

 7.3

  Sales of subsidiaries, investments and PP&E

0.9

0.5

0.5

0.2

0.3

  Cash flows from operations and asset sales

 9.6

 10.6

 7.3

 5.9

 7.6

The above numbers reflect ExxonMobil's current estimate of volumes and realizations given data available as of the end of the

second quarter of 2004.  Volumes and realizations may be adjusted when full statements on joint venture operations are received

from outside operators.  ExxonMobil management assumes no duty to update these estimates.