<Page>
Exhibit 99.1
All information in the following tables is presented on a basis prepared in
accordance with U.S. generally accepted accounting principles (GAAP), unless
otherwise indicated. Amounts have been revised to reflect American Express
International Deposit Company (AEIDC) activities as discontinued operations
and to remove AEIDC from the Corporate & Other segment.
AMERICAN EXPRESS COMPANY
CONSOLIDATED STATEMENTS OF INCOME
(Millions)
<Table>
<Caption>
Quarters Ended
-----------------------------------------------------------------
June 30, March 31, December 31, September 30, June 30,
2008 2008 2007 2007 2007
--------- ---------- ------------ -------------- --------
Revenues
Discount revenue $ 3,991 $ 3,718 $ 3,912 $ 3,659 $ 3,670
Net card fees 576 567 544 522 500
Travel commissions and fees 573 494 514 484 491
Other commissions and fees 590 622 650 644 587
Securitization income, net 227 444 326 392 332
Other 577 460 494 443 426
------- ------- ------- ------- -------
Total 6,534 6,305 6,440 6,144 6,006
------- ------- ------- ------- -------
Interest income
Cardmember lending finance revenue 1,521 1,625 1,682 1,581 1,514
Other 256 229 238 239 286
------- ------- ------- ------- -------
Total 1,777 1,854 1,920 1,820 1,800
------- ------- ------- ------- -------
Total revenues 8,311 8,159 8,360 7,964 7,806
------- ------- ------- ------- -------
Interest expense
Cardmember lending 364 417 474 444 431
Charge card and other 492 502 562 564 508
------- ------- ------- ------- -------
Total 856 919 1,036 1,008 939
------- ------- ------- ------- -------
Revenues net of interest expense 7,455 7,240 7,324 6,956 6,867
------- ------- ------- ------- -------
Expenses
Marketing, promotion, rewards and cardmember services 1,924 1,756 2,719 1,810 1,826
Human resources 1,495 1,470 1,437 1,366 1,334
Professional services 606 550 646 539 578
Occupancy and equipment 412 375 382 374 352
Communications 115 115 119 118 112
Other, net 274 296 (590) 339 347
------- ------- ------- ------- -------
Total 4,826 4,562 4,713 4,546 4,549
------- ------- ------- ------- -------
Provisions for losses
Charge card 241 345 419 279 233
Cardmember lending 1,537 809 970 579 638
Other 77 63 64 47 32
------- ------- ------- ------- -------
Total 1,855 1,217 1,453 905 903
------- ------- ------- ------- -------
Pretax income from continuing operations 774 1,461 1,158 1,505 1,415
Income tax provision 114 417 300 383 369
------- ------- ------- ------- -------
Income from continuing operations 660 1,044 858 1,122 1,046
(Loss) Income from discontinued operations, net of tax (7) (53) (27) (55) 11
------- ------- ------- ------- -------
Net income $ 653 $ 991 $ 831 $ 1,067 $ 1,057
======= ======= ======= ======= =======
</Table>
1
<Page>
AMERICAN EXPRESS COMPANY
CONSOLIDATED STATEMENTS OF INCOME
(Millions)
<Table>
<Caption>
Quarters Ended
----------------------------------------------------------------
March 31, December 31, September 30, June 30, March 31,
2007 2006 2006 2006 2006
---------- ------------ ------------- --------- ---------
Revenues
Discount revenue $ 3,355 $ 3,458 $ 3,259 $ 3,292 $ 2,969
Net card fees 484 479 462 533 520
Travel commissions and fees 437 450 427 483 418
Other commissions and fees 536 573 539 560 561
Securitization income, net 457 347 384 372 386
Other 387 528 417 398 346
------- ------- ------- ------- -------
Total 5,656 5,835 5,488 5,638 5,200
------- ------- ------- ------- -------
Interest income
Cardmember lending finance revenue 1,368 1,326 1,213 1,100 947
Other 231 210 209 202 198
------- ------- ------- ------- -------
Total 1,599 1,536 1,422 1,302 1,145
------- ------- ------- ------- -------
Total revenues 7,255 7,371 6,910 6,940 6,345
------- ------- ------- ------- -------
Interest expense
Cardmember lending 385 351 318 277 246
Charge card and other 458 422 409 378 339
------- ------- ------- ------- -------
Total 843 773 727 655 585
------- ------- ------- ------- -------
Revenues net of interest expense 6,412 6,598 6,183 6,285 5,760
------- ------- ------- ------- -------
Expenses
Marketing, promotion, rewards and cardmember services 1,462 1,732 1,586 1,668 1,518
Human resources 1,301 1,361 1,227 1,248 1,204
Professional services 517 646 561 572 484
Occupancy and equipment 328 372 346 342 324
Communications 112 112 104 109 109
Other, net 293 364 343 286 364
------- ------- ------- ------- -------
Total 4,013 4,587 4,167 4,225 4,003
------- ------- ------- ------- -------
Provisions for losses
Charge card 209 277 257 192 209
Cardmember lending 574 484 412 406 321
Other - 56 30 23 25
------- ------- ------- ------- -------
Total 783 817 699 621 555
------- ------- ------- ------- -------
Pretax income from continuing operations 1,616 1,194 1,317 1,439 1,202
Income tax provision 516 292 377 465 393
------- ------- ------- ------- -------
Income from continuing operations 1,100 902 940 974 809
(Loss) Income from discontinued operations, net of tax (43) 20 27 (29) 64
------- ------- ------- ------- -------
Net income $ 1,057 $ 922 $ 967 $ 945 $ 873
======= ======= ======= ======= =======
</Table>
2
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY
(Millions)
<Table>
<Caption>
Quarters Ended
--------------------------------------------------------------
June 30, March 31, December 31, September 30, June 30,
2008 2008 2007 2007 2007
-------- --------- ------------ ------------- --------
REVENUES NET OF INTEREST EXPENSE
U.S. Card Services $ 3,593 $ 3,722 $ 3,709 $ 3,589 $ 3,560
International Card Services 1,256 1,195 1,189 1,114 1,049
Global Commercial Services 1,308 1,144 1,128 1,064 1,083
Global Network & Merchant Services 1,083 1,003 1,041 980 966
------- ------- ------- ------- -------
7,240 7,064 7,067 6,747 6,658
Corporate & Other,
including adjustments and eliminations 215 176 257 209 209
------- ------- ------- ------- -------
CONSOLIDATED REVENUES NET OF INTEREST EXPENSE $ 7,455 $ 7,240 $ 7,324 $ 6,956 $ 6,867
======= ======= ======= ======= =======
PRETAX INCOME (LOSS) FROM CONTINUING OPERATIONS
U.S. Card Services $ (63) $ 791 $ (40) $ 912 $ 827
International Card Services 73 117 (181) 110 92
Global Commercial Services 326 218 144 187 218
Global Network & Merchant Services 455 335 379 389 418
------- ------- ------- ------- -------
791 1,461 302 1,598 1,555
Corporate & Other (17) - 856 (93) (140)
------- ------- ------- ------- -------
PRETAX INCOME FROM CONTINUING OPERATIONS $ 774 $ 1,461 $ 1,158 $ 1,505 $ 1,415
======= ======= ======= ======= =======
NET INCOME (LOSS)
U.S. Card Services $ 21 $ 523 $ 7 $ 592 $ 580
International Card Services 115 133 (68) 140 117
Global Commercial Services 227 151 110 135 162
Global Network & Merchant Services 299 223 254 266 266
------- ------- ------- ------- -------
662 1,030 303 1,133 1,125
Corporate & Other (2) 14 555 (11) (79)
------- ------- ------- ------- -------
Income from continuing operations 660 1,044 858 1,122 1,046
(Loss) Income from discontinued operations, net of tax (7) (53) (27) (55) 11
------- ------- ------- ------- -------
NET INCOME $ 653 $ 991 $ 831 $ 1,067 $ 1,057
======= ======= ======= ======= =======
</Table>
3
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY
(Millions)
<Table>
<Caption>
Quarters Ended
----------------------------------------------------------------
March 31, December 31, September 30, June 30, March 31,
2007 2006 2006 2006 2006
---------- ------------ ------------- -------- ---------
REVENUES NET OF INTEREST EXPENSE
U.S. Card Services $ 3,364 $ 3,349 $ 3,203 $ 3,170 $ 2,898
International Card Services 979 1,026 952 1,026 961
Global Commercial Services 994 982 949 1,032 937
Global Network & Merchant Services 877 916 841 839 748
------- ------- ------- ------- -------
6,214 6,273 5,945 6,067 5,544
Corporate & Other,
including adjustments and eliminations 198 325 238 218 216
------- ------- ------- ------- -------
CONSOLIDATED REVENUES NET OF INTEREST EXPENSE $ 6,412 $ 6,598 $ 6,183 $ 6,285 $ 5,760
======= ======= ======= ======= =======
PRETAX INCOME (LOSS) FROM CONTINUING OPERATIONS
U.S. Card Services $ 1,031 $ 723 $ 839 $ 939 $ 822
International Card Services 96 76 121 66 49
Global Commercial Services 195 167 157 242 150
Global Network & Merchant Services 374 297 314 315 262
------- ------- ------- ------- -------
1,696 1,263 1,431 1,562 1,283
Corporate & Other (80) (69) (114) (123) (81)
------- ------- ------- ------- -------
PRETAX INCOME FROM CONTINUING OPERATIONS $ 1,616 $ 1,194 $ 1,317 $ 1,439 $ 1,202
======= ======= ======= ======= =======
NET INCOME (LOSS)
U.S. Card Services $ 644 $ 473 $ 558 $ 594 $ 527
International Card Services 102 99 106 88 50
Global Commercial Services 129 117 105 151 104
Global Network & Merchant Services 236 201 212 200 166
------- ------- ------- ------- -------
1,111 890 981 1,033 847
Corporate & Other (11) 12 (41) (59) (38)
------- ------- ------- ------- -------
Income from continuing operations 1,100 902 940 974 809
(Loss) Income from discontinued operations, net of tax (43) 20 27 (29) 64
------- ------- ------- ------- -------
NET INCOME $ 1,057 $ 922 $ 967 $ 945 $ 873
======= ======= ======= ======= =======
</Table>
4
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY (CONTINUED)
<Table>
<Caption>
Quarters Ended
--------------------------------------------------------------
June 30, March 31, December 31, September 30, June 30,
2008 2008 2007 2007 2007
-------- --------- ------------ ------------- --------
EARNINGS PER COMMON SHARE
BASIC
Income from continuing operations $ 0.57 $ 0.91 $ 0.74 $ 0.96 $ 0.89
(Loss) Income from discontinued operations - (0.05) (0.02) (0.05) 0.01
------ ------ ------ ------ ------
Net income $ 0.57 $ 0.86 $ 0.72 $ 0.91 $ 0.90
====== ====== ====== ====== ======
Average common shares outstanding (millions) 1,154 1,153 1,157 1,170 1,179
====== ====== ====== ====== ======
DILUTED
Income from continuing operations $ 0.57 $ 0.90 $ 0.73 $ 0.94 $ 0.87
(Loss) Income from discontinued operations (0.01) (0.05) (0.02) (0.04) 0.01
------ ------ ------ ------ ------
Net income $ 0.56 $ 0.85 $ 0.71 $ 0.90 $ 0.88
====== ====== ====== ====== ======
Average common shares outstanding (millions) 1,163 1,163 1,178 1,192 1,203
====== ====== ====== ====== ======
</Table>
5
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY (CONTINUED)
<Table>
<Caption>
Quarters Ended
---------------------------------------------------------------
March 31, December 31, September 30, June 30, March 31,
2007 2006 2006 2006 2006
--------- ------------ ------------- -------- ---------
EARNINGS PER COMMON SHARE
BASIC
Income from continuing operations $ 0.93 $ 0.75 $ 0.78 $ 0.80 $ 0.66
(Loss) Income from discontinued operations (0.04) 0.02 0.02 (0.02) 0.05
------ ------ ------ ------ ------
Net income $ 0.89 $ 0.77 $ 0.80 $ 0.78 $ 0.71
====== ====== ====== ====== ======
Average common shares outstanding (millions) 1,187 1,196 1,202 1,217 1,232
====== ====== ====== ====== ======
DILUTED
Income from continuing operations $ 0.91 $ 0.74 $ 0.77 $ 0.78 $ 0.64
(Loss) Income from discontinued operations (0.04) 0.01 0.02 (0.02) 0.05
------ ------ ------ ------ ------
Net income $ 0.87 $ 0.75 $ 0.79 $ 0.76 $ 0.69
====== ====== ====== ====== ======
Average common shares outstanding (millions) 1,210 1,224 1,227 1,242 1,258
====== ====== ====== ====== ======
</Table>
6
<Page>
AMERICAN EXPRESS COMPANY
CONSOLIDATED STATEMENTS OF INCOME
(Millions)
<Table>
<Caption>
Years Ended
December 31,
----------------------- Percentage
2007 2006 Inc/(Dec)
---------- ---------- ----------
Revenues
Discount revenue $ 14,596 $ 12,978 12%
Net card fees 2,050 1,994 3
Travel commissions and fees 1,926 1,778 8
Other commissions and fees 2,417 2,233 8
Securitization income, net 1,507 1,489 1
Other 1,750 1,689 4
-------- --------
Total 24,246 22,161 9
-------- --------
Interest income
Cardmember lending finance revenue 6,145 4,586 34
Other 994 819 21
-------- --------
Total 7,139 5,405 32
-------- --------
Total revenues 31,385 27,566 14
-------- --------
Interest expense
Cardmember lending 1,734 1,192 45
Charge card and other 2,092 1,548 35
-------- --------
Total 3,826 2,740 40
-------- --------
Revenues net of interest expense 27,559 24,826 11
-------- --------
Expenses
Marketing, promotion, rewards and cardmember services 7,817 6,504 20
Human resources 5,438 5,040 8
Professional services 2,280 2,263 1
Occupancy and equipment 1,436 1,384 4
Communications 461 434 6
Other, net 389 1,357 (71)
-------- --------
Total 17,821 16,982 5
-------- --------
Provisions for losses
Charge card 1,140 935 22
Cardmember lending 2,761 1,623 70
Other 143 134 7
-------- --------
Total 4,044 2,692 50
-------- --------
Pretax income from continuing operations 5,694 5,152 11
Income tax provision 1,568 1,527 3
-------- --------
Income from continuing operations 4,126 3,625 14
(Loss) Income from discontinued operations, net of tax (114) 82 #
-------- --------
Net income $ 4,012 $ 3,707 8
======== ========
</Table>
- ---------
# - Denotes a variance of more than 100%.
7
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY
(Millions)
<Table>
<Caption>
Years Ended
December 31,
----------------------- Percentage
2007 2006 Inc/(Dec)
---------- ---------- ----------
REVENUES NET OF INTEREST EXPENSE
U.S. Card Services $ 14,222 $ 12,620 13%
International Card Services 4,331 3,965 9
Global Commercial Services 4,269 3,900 9
Global Network & Merchant Services 3,864 3,344 16
-------- --------
26,686 23,829 12
Corporate & Other,
including adjustments and eliminations 873 997 (12)
-------- --------
CONSOLIDATED REVENUES NET OF INTEREST EXPENSE $ 27,559 $ 24,826 11
======== ========
PRETAX INCOME (LOSS) FROM CONTINUING OPERATIONS
U.S. Card Services $ 2,730 $ 3,323 (18)
International Card Services 117 312 (63)
Global Commercial Services 744 716 4
Global Network & Merchant Services 1,560 1,188 31
-------- --------
5,151 5,539 (7)
Corporate & Other 543 (387) #
-------- --------
PRETAX INCOME FROM CONTINUING OPERATIONS $ 5,694 $ 5,152 11
======== ========
NET INCOME (LOSS)
U.S. Card Services $ 1,823 $ 2,152 (15)
International Card Services 291 343 (15)
Global Commercial Services 536 477 12
Global Network & Merchant Services 1,022 779 31
-------- --------
3,672 3,751 (2)
Corporate & Other 454 (126) #
-------- --------
Income from continuing operations 4,126 3,625 14
(Loss) Income from discontinued operations, net of tax (114) 82 #
-------- --------
NET INCOME $ 4,012 $ 3,707 8
======== ========
</Table>
- ---------
# - Denotes a variance of more than 100%.
8
<Page>
AMERICAN EXPRESS COMPANY
FINANCIAL SUMMARY (CONTINUED)
<Table>
<Caption>
Years Ended
December 31,
----------------------- Percentage
2007 2006 Inc/(Dec)
---------- ---------- ----------
EARNINGS PER COMMON SHARE
BASIC
Income from continuing operations $ 3.52 $ 2.99 18%
(Loss) Income from discontinued operations (0.10) 0.07 #
------ ------
Net income $ 3.42 $ 3.06 12%
====== ======
Average common shares outstanding (millions) 1,173 1,212 (3)%
====== ======
DILUTED
Income from continuing operations $ 3.45 $ 2.93 18%
(Loss) Income from discontinued operations (0.09) 0.06 #
------ ------
Net income $ 3.36 $ 2.99 12%
====== ======
Average common shares outstanding (millions) 1,196 1,238 (3)%
====== ======
</Table>
- ---------
# - Denotes a variance of more than 100%.
9
<Page>
AMERICAN EXPRESS COMPANY
CONSOLIDATED BALANCE SHEETS
(Millions, except share data)
<Table>
<Caption>
June 30, December 31,
2008 2007
------------ -----------
ASSETS
Cash and cash equivalents $ 16,374 $ 8,878
Accounts receivable
Cardmember receivables, less reserves: 2008, $1,146; 2007, $1,149 38,777 38,923
Other receivables, less reserves: 2008, $48; 2007, $36 3,889 3,060
Investments 13,994 13,214
Loans
Cardmember lending, less reserves: 2008, $2,594; 2007, $1,831 47,139 52,674
Other, less reserves: 2008, $47; 2007, $45 690 762
Land, buildings and equipment - at cost, less accumulated
depreciation: 2008, $3,716; 2007, $3,453 2,791 2,692
Other assets 9,259 7,349
Assets of discontinued operations 4,417 22,278
--------- ---------
Total assets $ 137,330 $ 149,830
========= =========
LIABILITIES AND SHAREHOLDERS' EQUITY
Customers' deposits $ 14,846 $ 15,397
Travelers Cheques outstanding 6,915 7,197
Accounts payable 9,705 7,674
Short-term debt 17,519 17,762
Long-term debt 57,035 55,285
Other liabilities 14,741 13,959
Liabilities of discontinued operations 4,300 21,527
--------- ---------
Total liabilities 125,061 138,801
--------- ---------
Shareholders' Equity
Common shares, $.20 par value, authorized 3.6 billion shares; issued and outstanding
1,159 million shares in 2008 and 1,158 million shares in 2007 232 232
Additional paid-in capital 10,394 10,164
Retained earnings 2,094 1,075
Accumulated other comprehensive (loss) income, net of tax:
Net unrealized securities gains 101 12
Net unrealized derivatives losses (86) (71)
Foreign currency translation adjustments (348) (255)
Net unrealized pension and other postretirement benefit costs (118) (128)
--------- ---------
Total accumulated other comprehensive loss (451) (442)
--------- ---------
Total shareholders' equity 12,269 11,029
--------- ---------
Total liabilities and shareholders' equity $ 137,330 $ 149,830
========= =========
</Table>
10