Credit Suisse Group reported strong results for the first quarter of 2006. Net income increased 136% compared to the fourth quarter of 2005 and 36% compared to the first quarter of 2005. All business segments - Investment Banking, Private Banking, Asset Management and Winterthur - delivered higher pre-tax income compared to the same period a year ago. Investment Banking benefited from record revenues in fixed income and equity trading. Private Banking saw significant growth in commissions and fees. Asset Management registered good net new asset inflows while Winterthur continued its strong operating performance.

1. Credit Suisse Group
Quarterly Results 2006/Q1

2. Disclaimer
forward-
Cautionary statement regarding forward-looking information
This presentation contains forward-looking statements within the meaning
of the Private Securities Litigation Reform Act of 1995.
Forward-looking statements involve inherent risks and uncertainties, and
we might not be able to achieve the predictions, forecasts, projections and
other outcomes we describe or imply in forward-looking statements.
A number of important factors could cause results to differ materially from
the plans, objectives, expectations, estimates and intentions we express in
these forward-looking statements, including those we identify in
quot;Risk Factorsquot; in our Annual Report on Form 20-F for the fiscal year
ended December 31, 2005 filed with the US Securities and Exchange
Commission, and in other public filings and press releases.
We do not intend to update these forward-looking statements except as
may be required by applicable laws.
Slide 2

3. Credit Suisse Group financial highlights
Change Change
in % from in % from
1Q06 4Q05 1Q05
In CHF m, except where indicated
Pre-
Pre-tax income 1) 3,506 206% 37%
Net income 2,604 136% 36%
2.31
Basic earnings per share in CHF 136% 41%
1Q06 4Q05 1Q05
Return on equity - Group 24.4% 11.2% 20.6%
Return on equity - Banking 27.4% 10.8% 22.9%
Return on equity - Insurance 15.0% 11.4% 12.0%
Cost/income ratio - Banking 68.4% 78.9% 70.9%
Net new assets in CHF bn 31.1 7.8 15.4
1) Excluding minority interest income relating to consolidated entities in which the Group does not have a
significant economic interest in such income of CHF 1,275 m, CHF 272 m, CHF 539 m in 1Q06, 1Q05 and 4Q05, respectively
Slide 3

4. Positive earning trends in all segments
Pre-tax income
CHF m
1,564
1Q05 1Q06
1,308
974
932
505
68% 34% 418
234
208
21%
13%
Investment Banking Private Banking Asset Management Winterthur
Slide 4

5. Investment Banking benefited from a high level of client
activity in a favorable market environment
Highlights first quarter 2006
S Net revenues and pre-tax income at
record levels, reflecting strong
performance in all key business areas
S Continued progress in delivering a
focused franchise
S Reduced compensation/revenue ratio in
line with commitment to reduce cost
ratios over time
S Pre-tax income margin of 27.2% and
return on average ERC of 42.0%
S Named “Best Investment Bank in
Latin America” by Latin Finance
Slide 5

6. Fixed income trading delivered record revenues
Fixed income trading revenues Comments on 1Q06
CHF m
S Generally favorable markets, with
2,767
narrowing credit spreads and
31%
substantially higher new issue activity
2,116 77%
S Strong results in leveraged finance,
1,969
Latin America and global foreign
1,566
exchange positioning
1,353
S Offset in part by lower results in other
emerging markets, ABS and CMBS
1Q05 2Q05 3Q05 4Q05 1Q06
Slide 6

7. Equity trading reflected higher revenues across all major
business areas amid strong markets
Equity trading revenues Comments on 1Q06
CHF m
S Customer flow businesses in cash
2,077
and convertibles performed well
across all regions
95%
S Derivatives benefited from increased
103%
1,341 deal flow and good trading results
S Prime services continued to perform
1,066 1,021
912 well with increased revenues
– Solidified its top tier position in
prime brokerage according to the
Global Custodian Prime Brokerage
survey
1Q05 2Q05 3Q05 4Q05 1Q06
Slide 7

8. Advisory taking steps to improve market share and
revenues
Advisory and other fees Comments on 1Q06
CHF m
S Improved revenues vs. 1Q05 but
448
433 revenues down vs. 4Q05 due to
(26)%
lower industry-wide transactions
369
and lower market share
333
S Strengthening business with critical
48%
hires in key industries and regions
225
1Q05 2Q05 3Q05 4Q05 1Q06
Slide 8

9. Significant increases in underwriting fees
Underwriting revenues in CHF m Comments on 1Q06
S Equity underwriting up vs. 1Q05 due to
Equity underwriting 343
higher industry-wide activity and
263 249
186 improved market share
79%
139
S Equity underwriting down vs. 4Q05 due
(27)%
to lower global industry-wide issuances
S Market share position #3 in global IPOs
Debt underwriting
S Debt underwriting up due to strength in
456
411 408 394
leveraged finance, ABS and investment
68%
grade capital markets
271
S Strong leveraged finance franchise with
16%
continued shift to syndicated loan market
S Market share position #3 in high-yield as
market recovered from recent lows
1Q05 2Q05 3Q05 4Q05 1Q06
Slide 9

10. Reduced compensation/revenue ratio in line with
commitment to reduce costs ratios over time
Operating expenses
CHF m
Compensation and benefits
4,248
3,976
S Compensation increased
3,502 3,462
with higher revenues
3,081
S Compensation/revenue ratio
two percentage points below
the full-year 2005 level
Other expenses
S Up 23% vs. 1Q05 reflecting
higher professional fees and
branding implementation costs
1Q05 2Q05 3Q05 4Q05 1Q06
S Down 12% vs. 4Q05 due to
2005 1Q06
lower professional fees and
Compensation/revenue ratio in % 55.5 53.5 expense provisions
90.2 / 84.0 1)
Cost/income ratio in % 73.8
10.3 / 16.5 1) 1) Excludes CHF 960 m charge in 2Q05 to increase
Pre-tax income margin in % 27.2 the reserve for certain private litigation matters
Slide 10

11. Private Banking capitalized on strong client activity and
market momentum
Highlights first quarter 2006
S Strong top-line growth driven
by commission revenues
S Wealth Management registered higher
assets under management, net new
assets, brokerage and product issuing
volumes
S Corporate & Retail Banking continued to
achieve strong pre-tax income
Slide 11

12. Private Banking with excellent results reflecting significant
growth in commissions and fees
Pre-tax income Comments
CHF m
S 1Q06 performance a result of strong
1,308
34%
client activity in a favorable market
1,037 1,026 environment
974 929
S Announced the merger of its
independent private banks* to create
27%
a single independently-managed bank
named Clariden Leu
– Annual synergy target of around
CHF 100 m from 2008
1Q05 2Q05 3Q05 4Q05 1Q06
– Merger effective from January 2007
Pre-
Pre-tax income margin in %
38.4 36.8 38.2 37.8 42.1
* Clariden Bank, BGP Banca di Gestione Patrimoniale,
Bank Hofmann, Bank Leu and Credit Suisse Fides
Slide 12

13. Wealth Management showed strong top-line growth
Revenues and gross margin
125 130 bp
3.0 CHF bn
114 120
2.5 110 109 2.2 Gross margin on
117
110 assets under
1.9
2.0 1.9
1.7 1.7 management in bp
100
(right-hand scale)
1.5
90
Net revenues
1.0 31% 80 in CHF bn
(left-hand scale)
0.5 70
19%
0.0 60
1Q05 2Q05 3Q05 4Q05 1Q06
2005 1Q06
Transaction-based margin 40 bp 52 bp
Asset-based margin 73 bp 73 bp
Slide 13

14. Wealth Management registered strong net new asset
inflows
Net new assets and growth Assets under management
CHF bn
Net new assets in CHF bn (left-hand scale)
Net new asset growth in % 1) (right-hand scale)
31.12.2005 693.3
7.8
7.5
20 CHF bn 8 %1)
7.4
18 7
16.8
Net new
16 14.5 14.5
6 assets
5.3 5.1
14
5
12 11.1 5.8%
Market and
10 4
8.1 25.9
FX related
8 6.8 3 movements
6
2
4
1 733.7
2 31.03.2006
0 0
1Q05 2Q05 3Q05 4Q05 1Q06
1) Rolling 4 quarter average
Slide 14

15. Wealth Management expands pre-tax margin
Operating expenses
CHF m
Compensation and benefits
1,264
S Higher performance-related
1,163
1,139
1,078
1,059
compensation accruals in line
with strong quarterly results
Other expenses
S Investments in new
Credit Suisse brand
S Higher commission expenses
1Q05 2Q05 3Q05 4Q05 1Q06
Overall expenses
S Investments in international
Pre-
Pre-tax income margin in %
37.7 35.2 38.7 37.6 43.2 expansion
Slide 15

16. Corporate & Retail Banking achieves continued strong
pre-tax income
Pre-tax income Comments on 1Q06
CHF m
S Strong revenue development of
4%
345
336
331 322
316 6% while operating expenses
only increased by 4% compared
to first quarter 2005
S Continued releases of provisions
7%
for credit losses but at a lower
level
1Q05 2Q05 3Q05 4Q05 1Q06
Pre-
Pre-tax income margin in %
39.6 40.2 37.1 38.0 39.1
Pre-
Pre-tax return on average ERC in %
ERC
41.8 42.6 40.0 42.4 48.4
Slide 16

17. Asset Management shows good results while focusing on
further strengthening its business model
Highlights first quarter 2006
S Growing commission and fee income
and strong private equity gains
S Operating expenses increased due to
commission expenses, business
realignment and branding
implementation costs
S Several initiatives launched to turn
around unprofitable businesses and
reduce overall cost base
S Growth strategy in Asia continues
through Joint Venture with Woori Asset
Management in South Korea
Slide 17

18. Revenues have improved substantially and are well above
the 2005 quarterly average
Revenues
CHF m
Private Equity (PE) gains
782 756
757
S Sustained high contribution
648
614 208 206 from private equity gains
266
139
85
S 2005 levels considered to be
at the high-end of PE cycle
Net revenues before PE gains
529 516 509 549 550
S Adversely impacted by
charges in relation to fair
value adjustment on interest
1Q05 2Q05 3Q05 4Q05 1Q06
rate derivatives
S Gross margin affected by
2005 1Q06
inclusion of more than
Gross margin on
CHF 40 bn in low margin
assets under management in bp 54.5 49.8
money market funds in 4Q05
Slide 18

19. Asset Management operating expenses increased due to
higher commissions and development costs
Operating expenses
CHF m
Compensation and benefits
520
516
S Increase vs. 1Q05 in line
448
425
406 with revenue growth
S Slight increase vs. 4Q05
which showed comparable
revenues
Other expenses
S Up CHF 78 m vs. 1Q05 due to
1Q05 2Q05 3Q05 4Q05 1Q06
– commission expenses
– development costs for the
Pre-
Pre-tax income margin in %
realignment of the business
33.9 45.7 30.9 31.8 31.0
– marketing costs
Slide 19

20. Good net new asset inflows, benefited from reinvestment
of outflows recorded in the fourth quarter
Net new assets and growth Assets under management
CHF bn
Net new assets in CHF bn (left-hand scale)
Net new asset growth 1) in % (right-hand scale)
31.12.2005 589.4
20 CHF bn 10%1)
17.0
18 9
16 8
6.8 Net new
14 7 17.0
assets
11.4
12 6
3.7 4.2
10 5 5.1%
Market and
8 4
2.7 FX related 13.2
6 3
5.1 movements
3.9
4 2
0.8
2 1
619.6 2)
31.03.2006
0 0
-2 -1
(0.8)
1Q05 2Q05 3Q05 4Q05 1Q06
1) Rolling 4 quarter average 2) Including assets managed on behalf of other banking segments
Slide 20

21. Winterthur showed strong operating performance and
business volume growth
Highlights first quarter 2006
S Pre-tax income up 21% as a result of
continued operating improvement
S Return on equity at 15%
S Shareholders’ equity decreased slightly
to CHF 9.4 bn due to lower unrealized
gains on investment securities
S Year-end 2005 EU solvency ratio at
229% (vs. 192% at year-end 2004)
Slide 21

22. Continued operating improvement
S Reduction of expense ratio for Life & Pensions and of combined ratio for Non-
Life showed technical improvement
S Further optimizing business portfolio, while strengthening operating platforms
S Announced sale of part of Swiss health business, restructuring administration
functions and strengthening of sales force in Switzerland
Pre-tax income
CHF m
505
417
315 299
275 272
21%
10%
15%
1Q05 1Q06 1Q05 1Q05
1Q06 1Q06
Winterthur Non-
Life & Pensions business Non-Life business
Slide 22

23. Strong top-line growth
S Life & Pensions: Strong growth in traditional and unit-linked business
– Traditional premium volume growth driven by Group Life Switzerland
– Unit-linked growth in UK, Asia and Central and Eastern Europe
S Non-Life: Focus on profitable growth and selective underwriting
– Growth in Switzerland and Spain offset by reduction in Germany
Total business volume
CHF bn
12.7
11.5 18%
8.2
6.9 Deposit
business
39% 4.5 4.5
11%
Gross
13% 0%
premiums
1Q05 1Q05 1Q05
1Q06 1Q06 1Q06
Winterthur Life & Pensions business Non-Life business
Non-
Slide 23

24. Improved technical performance
S Continued strict cost management and underwriting discipline
S Generally favorable claims development
S Lower realizations and lower current investment income
96.7%
5.8% 93.5% 5.3
4.8
27.6
4.2% Expense
27.9 Realized
ratio
gains/(losses)
69.1 65.6 Claims Net current
ratio investment return
1Q05 1Q05 1Q05
1Q06 1Q06 1Q06
Expense ratio Combined ratio Investment return
Life & Pensions business Non-Life business
Non- Winterthur
Slide 24

25. Credit Suisse Group’s capital position
Risk-weighted assets Comments
in CHF bn
S Repurchased 7.9 m shares worth
CHF 580 m during the quarter
248
240
238
S
233 Cancelled 34 m shares following the
215
approval at the shareholder meeting on
April 28, 2006
S Risk-weighted assets increased,
7%
reflecting commercial and private
lending and securitization activities
S Tier 1 capital increased slightly with
1Q05 2Q05 3Q05 4Q05 1Q06
the quarterly profit offset by the share
BIS tier 1 ratio in % repurchase, dividend accruals and
12.1 10.9 11.1 11.3 10.8 certain unrealized gains not qualifying
for capital adequacy purposes
Slide 25

26. Credit Suisse Group’s key performance targets overview
Mid- term
Mid--term
Mid-
Mid
1Q06 targets
targets
Pre-tax income margin 27.2 % > 20 %
Investment Banking
Pre-tax return on average ERC 42.0 % > 25 %
Pre-tax income margin 43.2 % > 40 %
Private Wealth
Net new asset annualized growth rate 8.4 % >6%
Banking Management
Corporate & Pre-tax income margin 39.1 % > 35 %
Retail Banking Pre-tax return on average ERC 48.4 % > 35 %
Asset Management Pre-tax income margin 31.0 % > 35 %
BIS Tier 1 ratio 10.8 % ~ 10 %
Credit Suisse Group
Return on equity 24.4 % > 20 %
consolidated
Slide 26

27. Questions & Answers