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CREDIT SUISSE HIGH YIELD CREDIT FUND

Regulatory Filings Jul 5, 2007

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N-CSRS 1 a07-13640_25ncsrs.htm N-CSRS

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

*FORM N-CSR*

*CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES*

| Investment
Company Act file number | |
| --- | --- |
| CREDIT SUISSE
HIGH YIELD BOND FUND | |
| (Exact name of registrant as specified in charter) | |
| Eleven Madison
Avenue, New York, New York | 10010 |
| (Address of principal executive offices) | (Zip code) |
| J. Kevin Gao,
Esq. Credit Suisse
High Yield Bond Fund Eleven Madison
Avenue New York, New
York 10010 | |
| (Name and address of agent for service) | |
| Registrant’s
telephone number, including area code: | (212) 325-2000 |
| Date of fiscal year end: | October 31 |
| Date of reporting period: | November 1, 2006 to April 30, 2007 |

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*Item 1. Reports to Stockholders.*

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Document name: 07-13640-26.aa

Credit Suisse High Yield Bond Fund Eleven Madison Avenue New York, NY 10010

Trustees

Enrique R. Arzac

Chairman of the Board

Terry Fires Bovarnick

James Cattano

Lawrence J. Fox

Lawrence Haber

Steven Rappaport

Officers

Keith M. Schappert

Chief Executive Officer and President

Martha B. Metcalf

Chief Investment Officer

Emidio Morizio

Chief Compliance Officer

J. Kevin Gao

Chief Legal Officer, Senior Vice President and Secretary

Michael A. Pignataro

Chief Financial Officer

Robert Rizza

Treasurer

Investment Adviser

Credit Suisse Asset Management, LLC Eleven Madison Avenue New York, NY 10010

Administrator

State Street Bank and Trust Co. 225 Franklin Street Boston, MA 02110

Custodian

Custodial Trust Company 101 Carnegie Center Princeton, NJ 08540

Shareholder Servicing Agent

Computershare Trust Company, N.A. P.O. Box 43010 Providence, RI 02940-3010

Legal Counsel

Willkie Farr & Gallagher LLP 787 7th Avenue New York, NY 10019

Independent Registered Public Accounting Firm

PricewaterhouseCoopers LLP 100 East Pratt St. Baltimore, Maryland 21202

Credit Suisse High Yield Bond Fund

SEMIANNUAL REPORT April 30, 2007 (unaudited)

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Document name: 07-13640-26.ba

Credit Suisse High Yield Bond Fund

Semiannual Investment Adviser's Report

April 30, 2007 (unaudited)

May 15, 2007

Dear Shareholder:

Performance Summary

11/01/06 – 04/30/07

Fund & Benchmarks
Total Return (based on NAV) 1 10.72 %
Total Return (based on market value) 1 5.18 %
Merrill Lynch US High Yield Master II Constrained Index 2 6.94 %

Market Review: A Strong Market and Strong Performance

As of April 30, 2007, the U.S. high yield market experienced six consecutive months of positive returns, totaling 6.94% (as measured by the Fund's benchmark).

Lower-rated issuers continued to outperform the broader market, with CCC-rated securities returning 10.61% for the period. B-rated securities, performed in-line with the market at 6.98%, while BB-rated securities underperformed at 5.47%. High yield spreads continued to tighten relative to the 10-year Treasury, narrowing 51 basis points to end the period at 287 basis points versus treasuries.

Credit fundamentals continued to be firm as default rates reported by Moody's showed a slight drop, from 1.67% in October 2006 to 1.45% in April 2007. Additionally, the distress ratio, a leading indicator for future default rates, has remained at 15-year lows of 1.2% for the past three months.

Against this fundamental backdrop, the technical environment has also been positive, with the new issue calendar remaining manageable and well-received. During the period, almost $110 billion in new issues came into the high yield market. Over the past few months, there have been consistent inflows into high yield mutual funds in addition to demand from coupon and bond redemptions.

Over the period, nearly all sectors posted positive returns with little variance among them. Sectors enjoying out-performance included health services, theaters and non-food & drug retailers — all posting above 9% returns.

Strategic Review and Outlook: Market Conditions Support Valuations

For the semiannual period ended April 30, 2007, the Fund's total return based on NAV was 10.72% as compared to 6.94% for the benchmark. Contributing to performance was an overweight to lower rated securities. An underweight to BB-rated securities also aided performance. Further, superior sector and/or security selection in building materials, media-cable, support-services, consumer products and auto parts also contributed to performance. An underweight to media-services hurt relative returns.

At the sector level, we remain constructive on corporate spending and the commercial cycle broadly. Additionally, we are maintaining an overweight in the cable sector as we expect product bundling will continue to support subscriber and margin growth.

Recent equity volatility has proven that the high yield market is vulnerable to external shocks and may display some volatility in the future. Given the sound fundamental backdrop, we have used these circumstances to selectively add to credits, as we believe these market conditions support current valuations and forecast that the market will remain range-bound going forward.

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Credit Suisse High Yield Bond Fund

Semiannual Investment Adviser's Report (continued)

April 30, 2007 (unaudited)

We appreciate your interest in the Fund and would be pleased to respond to your questions or comments. Any questions regarding net asset value, performance, dividends, portfolio management or allocations should be directed to Credit Suisse Asset Management, LLC at (800) 293-1232. All other inquiries regarding account information, requests for the latest financial information or other reports should be directed to the Fund's Shareholder Servicing Agent at (800) 730-6001.

Martha Metcalf Chief Investment Officer Keith M. Schappert Chief Executive Officer and President*

High yield bonds are lower-quality bonds that are also known as "junk bonds." Such bonds entail greater risks than those found in higher-rated securities.

In addition to historical information, this report contains forward-looking statements that may concern, among other things, domestic and foreign market, industry and economic trends and developments and government regulation and their potential impact on the Fund's investments. These statements are subject to risks and uncertainties and actual trends, developments and regulations in the future, and their impact on the Fund could be materially different from those projected, anticipated or implied. The Fund has no obligation to update or revise forward-looking statements.

We wish to remind shareholders about the Fund's dividend reinvestment program known as the Investlink SM Program (the "Program"). The Program is sponsored and administered by Computershare Trust Company N.A. ("Computershare"), not by the Fund. Computershare will act as program administrator (the "Program Administrator") of the Program. The purpose of the Program is to provide existing shareholders with a simple and convenient way to invest additional funds and reinvest dividends in shares of the Fund's common stock. The enrollment form and information relating to the Program (including the terms and conditions) may be obtained by calling the Program Administrator at one of the following telephone numbers: (800) 730-6001 (U.S and Canada) or (781) 575-3100 (outside U.S. and Canada). All correspondence regarding the Program should be directed to: Computershare Trust Company, N.A., InvestLink SM Program, P.O. Box 43010, Providence, RI 02940-3010

  • Martha B. Metcalf is a Managing Director of Credit Suisse Asset Management, LLC ("Credit Suisse") and head of the U.S. High Yield Management Team. She has served in these capacities since 2005. As of November 2005, she is primarily responsible for the management of the Fund's assets. From 2000 until 2005, she was a Managing Director and Portfolio Manager of Global High Yield Bonds, and head of a global high yield business with responsibility for total return, as well as structured portfolios at Invesco. Prior to her tenure at Invesco, Ms. Metcalf served for over ten years at JPMorgan Investment Management, where she was Vice President and Portfolio Manager for High Yield Corporate Bonds.

** Keith M. Schappert is Executive Vice Chairman and Head of Asset Management for Americas of Credit Suisse and CEO/President of the Fund. Mr. Schappert joined Credit Suisse in 2006 from Federated Investment Advisory Companies, where he was CEO and President from 2002. Prior to Federated, Mr. Schappert was CEO and President of JPMorgan Investment Management from 1994 to 2001.

1 Assuming reinvestment of dividends of $0.20 per share.

2 The Merrill Lynch US High Yield Master II Constrained Index is an unmanaged index that tracks the performance of below investment-grade U.S. dollar-denominated corporate bonds issued in the U.S. domestic market, where each issuer's allocation is limited to 2% of the index. Investors cannot invest directly in an index.

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Credit Suisse High Yield Bond Fund Notice to Shareholders

At the time Credit Suisse High Yield Bond Fund (the "Fund") commenced operations in 1998, the Prospectus did not contemplate the use of credit default swaps as such strategies were not commonly used by investment companies. Since then the use of credit default swaps has proliferated. Credit Suisse now believes that the use of the credit default swaps discussed below may permit it to better manage the risk and returns of the Fund and effective May 1, 2007, the Fund may, in the discretion of the portfolio managers, use credit default swaps. The Fund may buy a credit default swap to attempt to mitigate the risk of default or credit quality deterioration in one or more individual holdings or in a segment of the fixed income securities market. The Fund may sell a credit default swap in an attempt to gain exposure to an underlying issuer's credit quality characteristics without investing directly in that issuer.

The "buyer" in a credit default swap is obligated to pay the "seller" an upfront payment or a periodic stream of payments over the term of the agreement, provided that no credit event on an underlying reference obligation has occurred. If a credit event occurs, the seller must pay the buyer the full notional value, or "par value," of the reference obligation in exchange for the reference obligation. As a result of counterparty risk, credit default swap agreements involve greater risks than if the Fund had invested in the reference obligation directly.

If the Fund is a buyer and no credit event occurs, the cost to the Fund is the premium paid with respect to the agreement. If a credit event occurs, however, the Fund may elect to receive the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. On the other hand, the value of any deliverable obligations paid by the Fund to the seller, coupled with the up front or periodic payments previously received by the seller, may be less than the full notional value the seller pays to the Fund, resulting in a loss of value to the Fund.

If the Fund is a seller and no credit event occurs, the Fund would generally receive an up front payment or a fixed rate of income throughout the term of the swap, which typically is between six months and three years. If a credit event occurs, however, generally the Fund would have to pay the buyer the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. When the Fund acts as a seller of a credit default swap agreement it is exposed to speculative exposure risk since, if a credit event occurs, the Fund may be required to pay the buyer the full notional value of the contract net of any amounts owed by the buyer related to its delivery of deliverable obligations of the reference entity. As a result, the Fund bears the entire risk of loss due to a decline in value of a referenced security on a credit default swap it has sold if there is a credit event with respect to the security. The Fund bears the same risk as a buyer of fixed income securities directly. The Fund will sell a credit derivative only with respect to securities in which it would be authorized to invest.

The Fund bears the risk of loss of the amount expected to be received under a credit default swap agreement in the event of the default or bankruptcy of the counterparty. The Fund will enter into swap agreements only with counterparties that meet certain standards of creditworthiness (generally, such counterparties would have to be eligible counterparties under the terms of the Fund's repurchase agreement guidelines). Credit default swap agreements are generally valued at a price at which the counterparty to such agreement would terminate the agreement.

As the seller of a credit default swap the Fund would be subject to investment exposure on the notional amount of the swap. Accordingly, the Fund will segregate liquid investments in an amount equal to the aggregate market value of the of the credit default swaps of which it is the seller, marked to market on a daily basis. Segregated assets cannot be sold or transferred unless equivalent assets are substituted in their place or it is no longer necessary to segregate them. As a result, there is the possibility that segregation of a large percentage of the Fund's assets could

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Credit Suisse High Yield Bond Fund Notice to Shareholders (continued)

impede portfolio management or the Fund's ability to meet current obligations. The notional amount of the aggregate credit exposure to which the Fund is subject, plus the market value of the Fund's investments in credit derivatives and/or premiums paid therefor as a buyer of credit derivatives, may not exceed the Fund's total assets.

When the Fund buys or sells a credit derivative, the underlying issuer (s) or obligor(s) as well as the counterparty to the transaction will be treated as an issuer for purposes of complying with the Fund's issuer diversification and industry concentration policies, absent regulatory guidance to the contrary. The Fund may, but is not required to, use credit swaps or any other credit derivative. There is no assurance that credit derivatives will be available at any time or, if used, that the derivatives will be used successfully.

Tax Considerations . Periodic net payments will constitute ordinary income or deductions, while termination of a swap will result in capital gain or loss (which will be long-term capital gain or loss if the Fund has been a party to the swap for more than one year). The tax treatment of many types of credit default swaps is uncertain.

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Credit Suisse High Yield Bond Fund

Semiannual Investment Adviser's Report

April 30, 2007 (unaudited)

Top Ten Holdings

(% of net assets as of 4/30/07)

Security Description

1. HCA, Inc. 6.500 % 02/15/16 1.66 %
2. SunGard Data Systems, Inc. 10.250 % 08/15/15 1.25 %
3. CCH I LLC 11.000 % 10/01/15 1.16 %
4. General Motors Corp. 7.125 % 07/15/13 1.16 %
5. Freescale Semiconductor, Inc. 7.000 % 10/01/13 1.15 %
6. General Motors Corp. 8.375 % 07/15/33 1.12 %
7. Tenet Healthcare Corp. 9.875 % 07/01/14 1.12 %
8. Ford Motor Credit Co. 7.000 % 10/01/13 1.12 %
9. Smurfit-Stone Container 8.375 % 07/01/12 1.09 %
10. CCO Holdings LLC 8.750 % 11/15/13 1.08 %

Credit Quality Breakdown

(% of total investments as of 04/30/07)

S&P Ratings
BBB 0.6 %
BB 10.6
B 49.9
CCC 36.9
CC 0.7
D 0.1
NR 0.1
Subtotal 98.9
Equities and Other 1.1
Total 100.0 %

1

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Document name: 07-13640-26.ca

Credit Suisse High Yield Bond Fund

Schedule of Investments

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS (126.6%)
Aerospace & Defense (2.3%)
$ 425 DRS Technologies, Inc., Company Guaranteed Notes (Callable 02/01/11 @ $103.81) § (B , B3) 02 /01/18 7.625 $ 447,312
725 DRS Technologies, Inc., Global Senior Subordinated Notes (Callable 11/01/08 @ $103.44) (B , B3) 11 /01/13 6.875 735,875
2,050 Hawker Beechcraft Acquisition Co., Rule 144A, Senior Subordinated Notes (Callable 04/01/12 @ $104.88) ‡ (B- , Caa1) 04 /01/17 9.750 2,203,750
350 K&F Acquisition, Inc., Global Company Guaranteed Notes (Callable 11/15/09 @ $103.88) (B- , Caa1) 11 /15/14 7.750 376,250
1,125 L-3 Communications Corp., Global Senior Subordinated Notes (Callable 01/15/10 @ $102.94) (BB+ , Ba3) 01 /15/15 5.875 1,101,094
225 TransDigm, Inc., Global Company Guaranteed Notes (Callable 07/15/09 @ $105.81) (B- , B3) 07 /15/14 7.750 234,563
475 TransDigm, Inc., Rule 144A, Senior Subordinated Notes (Callable 07/15/09 @ $105.81) ‡ (B- , B3) 07 /15/14 7.750 495,187
5,594,031
Agriculture (0.6%)
1,325 Southern States Cooperative, Inc., Rule 144A, Senior Notes (Callable 11/01/07 @ $108.00) ‡ (B , Caa1) 11 /01/10 10.500 1,411,125
Auto Loans (5.8%)
1,175 Ford Motor Credit Co. LLC, Global Notes (B , B1) 06 /15/10 7.875 1,182,045
2,125 Ford Motor Credit Co. LLC, Senior Unsecured Notes (B , B1) 12 /15/16 8.000 2,081,618
2,900 Ford Motor Credit Co., Global Notes § (B , B1) 10 /01/13 7.000 2,745,677
1,375 Ford Motor Credit Co., Notes (B , B1) 06 /16/08 6.625 1,374,579
325 Ford Motor Credit Co., Senior Notes § (B , B1) 08 /10/11 9.875 346,380
2,625 General Motors Acceptance Corp., Global Notes (BB+ , Ba1) 05 /15/09 5.625 2,589,334
2,475 General Motors Acceptance Corp., Global Notes § (BB+ , Ba1) 12 /01/14 6.750 2,444,295
1,475 GMAC LLC, Senior Unsubordinated Notes (BB+ , Ba1) 12 /15/11 6.000 1,437,624
14,201,552
Automobile Parts & Equipment (4.3%)
575 Accuride Corp., Global Company Guaranteed Notes (Callable 02/01/10 @ $104.25) § (B- , B3) 02 /01/15 8.500 596,563
1,025 Altra Industrial Motion, Inc., Global Secured Notes (Callable 12/01/08 @ $104.50) #§ (CCC+ , B2) 12 /01/11 9.000 1,067,281
450 Altra Industrial Motion, Inc., Rule 144A, Secured Notes ‡ (CCC+ , B2) 12 /01/11 9.000 468,563
1,200 American Tire Distributors Holdings, Inc., Global Senior Notes (Callable 04/01/09 @ $105.38) (CCC+ , Caa1) 04 /01/13 10.750 1,236,000
2,000 Goodyear Tire & Rubber Co., Global Senior Notes (Callable 07/01/10 @ $104.50) (B- , B2) 07 /01/15 9.000 2,215,000
75 Goodyear Tire & Rubber Co., Rule 144A, Senior Notes ‡ (B- , Ba3) 12 /01/09 9.140 76,125
125 Goodyear Tire & Rubber Co., Rule 144A, Senior Notes (Callable 12/01/09 @ $104.31) ‡§ (B- , Ba3) 12 /01/11 8.625 135,625
500 Keystone Automotive Operations, Inc., Global Senior Subordinated Notes (Callable 11/01/08 @ $104.88) (CCC+ , Caa1) 11 /01/13 9.750 477,500
1,200 Stanadyne Corp., Global Senior Subordinated Notes (Callable 08/15/09 @ $105.00) (CCC+ , Caa1) 08 /15/14 10.000 1,290,000
800 Tenneco Automotive, Inc., Global Company Guaranteed Notes (Callable 11/15/09 @ $104.31) § (B , B3) 11 /15/14 8.625 854,000
625 TRW Automotive, Inc., Rule 144A, Company Guaranteed Notes ‡ (BB- , Ba3) 03 /15/14 7.000 621,875
625 TRW Automotive, Inc., Rule 144A, Company Guaranteed Notes ‡ (BB- , Ba3) 03 /15/17 7.250 623,437
950 Visteon Corp., Global Senior Notes (CCC+ , Caa2) 08 /01/10 8.250 973,750
10,635,719
Automotive (2.8%)
1,645 Ford Motor Co., Global Notes (CCC+ , Caa1) 07 /16/31 7.450 1,309,831
3,040 General Motors Corp., Global Debentures (B- , Caa1) 07 /15/33 8.375 2,762,600
3,075 General Motors Corp., Global Senior Notes § (B- , Caa1) 07 /15/13 7.125 2,848,219
6,920,650
Beverages (0.4%)
850 Constellation Brands, Inc., Company Guaranteed Notes § (BB- , Ba3) 09 /01/16 7.250 869,125
Brokerage (0.3%)
775 E*TRADE Financial Corp., Global Senior Notes (Callable 06/15/08 @ $104.00) (BB- , Ba2) 06 /15/11 8.000 818,594
Building & Construction (2.5%)
1,425 Ashton Woods USA/Finance, Global Senior Subordinated Notes (Callable 10/01/10 @ $104.75) (B- , B3) 10 /01/15 9.500 1,376,906
625 K Hovnanian Enterprises, Inc., Global Company Guaranteed Notes § (BB , Ba2) 01 /15/16 6.250 564,063

See Accompanying Notes to Financial Statements. 2

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Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Building & Construction
$ 725 KB Home, Senior Subordinated Notes (BB- , Ba2) 12 /15/08 8.625 $ 744,031
900 Standard Pacific Corp., Global Senior Notes § (BB , Ba3) 08 /15/15 7.000 843,750
1,200 Technical Olympic USA, Inc., Global Senior Subordinated Notes § (CCC+ , Caa2) 01 /15/15 7.500 873,000
700 WCI Communities, Inc., Global Company Guaranteed Notes (Callable 03/15/10 @ $103.31) (B- , Caa1) 03 /15/15 6.625 661,500
1,000 William Lyon Homes, Inc., Company Guaranteed Notes (Callable 04/01/08 @ $105.38) #§ (B , B3) 04 /01/13 10.750 990,000
6,053,250
Building Materials (5.2%)
1,000 Associated Materials, Inc., Global Senior Discount Notes (Callable 03/01/09 @ $105.63) +§ (CCC , Caa2) 03 /01/14 0.000 755,000
1,300 Building Materials Corp., Global Secured Notes (Callable 08/01/09 @ $103.88) (BB- , B2) 08 /01/14 7.750 1,293,500
1,550 Coleman Cable, Inc., Global Company Guaranteed Notes (Callable 10/01/08 @ $104.94) (B , B2) 10 /01/12 9.875 1,631,375
500 Dayton Superior Corp., Company Guaranteed Notes (Callable 06/15/07 @ $102.17) (CCC , Caa2) 06 /15/09 13.000 515,000
750 Dayton Superior Corp., Global Secured Notes (Callable 06/15/07 @ $102.81) (CCC+ , B2) 09 /15/08 10.750 776,250
625 General Cable Corp., Rule 144A, Senior Notes (Callable 04/01/09 @ $102.00) ‡# (B+ , B1) 04 /01/15 7.725 634,375
225 General Cable Corp., Rule 144A, Senior Notes (Callable 04/01/12 @ $103.56) ‡ (B+ , B1) 04 /01/17 7.125 229,500
1,375 Goodman Global Holding Company, Inc., Global Senior Subordinated Notes (Callable 12/15/08 @ $103.94) § (B- , B3) 12 /15/12 7.875 1,392,187
1,100 Interface, Inc., Global Senior Subordinated Notes (Callable 02/01/09 @ $104.75) § (CCC+ , B3) 02 /01/14 9.500 1,204,500
325 Norcraft Companies, Global Senior Subordinated Notes (Callable 11/01/07 @ $104.50) (B- , B1) 11 /01/11 9.000 340,438
750 Norcraft Holdings, Global Senior Discount Notes (Callable 09/01/08 @ $104.88) + (B- , B3) 09 /01/12 0.000 686,250
1,100 Nortek, Inc., Global Senior Subordinated Notes (Callable 09/01/09 @ $104.25) (CCC+ , B3) 09 /01/14 8.500 1,091,750
1,000 NTK Holdings, Inc., Global Senior Discount Notes (Callable 09/01/09 @ $105.38) +§ (CCC+ , Caa1) 03 /01/14 0.000 755,000
1,550 Ply Gem Industries, Inc., Global Senior Subordinated Notes (Callable 02/15/08 @ $104.50) § (CCC+ , Caa1) 02 /15/12 9.000 1,406,625
12,711,750
Chemicals (4.5%)
750 CPG International I, Inc., Global Senior Notes (Callable 07/01/09 @ $105.25) (B- , B3) 07 /01/13 10.500 791,250
736 Huntsman LLC, Global Company Guaranteed Notes (Callable 07/15/08 @ $105.75) # (B+ , Ba3) 07 /15/12 11.500 824,320
1,200 KI Holdings, Inc., Global Senior Discount Notes (Callable 11/15/09 @ $104.94) + (B- , B3) 11 /15/14 0.000 1,026,000
375 Lyondell Chemical Co., Global Company Guaranteed Notes (Callable 09/15/10 @ $104.00) (B+ , B1) 09 /15/14 8.000 394,687
1,800 Lyondell Chemical Co., Global Company Guaranteed Notes (Callable 09/15/11 @ $104.13) § (B+ , B1) 09 /15/16 8.250 1,935,000
900 Millennium America, Inc., Global Company Guaranteed Notes § (B+ , B1) 06 /15/08 9.250 936,000
600 Momentive Performance Materials, Inc., Rule 144A, Senior Subordinated Notes (Callable 12/01/11 @ $105.75) ‡ (CCC+ , Caa2) 12 /01/16 11.500 642,750
2,025 Nalco Finance Holdings, Inc., Global Senior Notes (Callable 02/01/09 @ $104.50) + (B- , B3) 02 /01/14 0.000 1,792,125
925 PolyOne Corp., Global Company Guaranteed Notes (Callable 05/15/08 @ $102.66) (B+ , B2) 05 /15/10 10.625 979,344
550 PolyOne Corp., Senior Notes (B+ , B2) 05 /01/12 8.875 561,000
1,150 Terra Capital, Inc., Rule 144A, Senior Notes (Callable 02/01/12 @ $103.50) ‡§ (BB- , B1) 02 /01/17 7.000 1,132,750
11,015,226
Computer Hardware (0.3%)
825 Activant Solutions, Inc., Global Company Guaranteed Notes (Callable 05/01/11 @ $104.75) (CCC+ , Caa1) 05 /01/16 9.500 820,875
Consumer Products (3.8%)
1,850 AAC Group Holding Corp., Global Senior Discount Notes (Callable 10/01/08 @ $105.13) + (CCC+ , B3) 10 /01/12 0.000 1,692,750
1,000 ALH Finance LLC/ALH Finance Corp., Global Senior Subordinated Notes (Callable 01/15/09 @ 104.25) § (CCC+ , B3) 01 /15/13 8.500 1,010,000
1,575 Amscan Holdings, Inc., Global Senior Subordinated Notes (Callable 05/01/09 @ $104.38) (CCC+ , Caa1) 05 /01/14 8.750 1,594,687
1,325 Del Laboratories, Inc., Global Company Guaranteed Notes (Callable 02/01/08 @ $104.00) (CCC , Caa2) 02 /01/12 8.000 1,248,812
875 Jarden Corp., Company Guaranteed Notes (Callable 05/01/12 @ $103.75) § (B- , B3) 05 /01/17 7.500 900,156
825 Playtex Products, Inc., Global Company Guaranteed Notes (Callable 06/01/07 @ $103.13) (B- , Caa1) 06 /01/11 9.375 855,938
1,265 Prestige Brands, Inc., Global Senior Subordinated Notes (Callable 04/15/08 @ $104.63) (B- , B3) 04 /15/12 9.250 1,315,600
750 Revlon Consumer Products Corp., Global Senior Notes (Callable 04/01/08 @ $104.75) (CCC- , Caa2) 04 /01/11 9.500 732,188
9,350,131

See Accompanying Notes to Financial Statements. 3

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Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Diversified Capital Goods (2.9%)
$ 925 ESCO Corp., Rule 144A, Senior Notes (Callable 12/15/08 @ $102.00) ‡# (B , B2) 12 /15/13 9.230 $ 962,000
625 ESCO Corp., Rule 144A, Senior Notes (Callable 12/15/10 @ $104.31) ‡ (B , B2) 12 /15/13 8.625 662,500
700 RBS Global & Rexnord Corp., Global Company Guaranteed Notes (Callable 08/01/10 @ $104.75) (CCC+ , B3) 08 /01/14 9.500 752,500
750 RBS Global & Rexnord Corp., Global Company Guaranteed Notes (Callable 08/01/11 @ $105.88) § (CCC+ , Caa1) 08 /01/16 11.750 836,250
950 Sensus Metering Systems, Global Senior Subordinated Notes (Callable 12/15/08 @ $104.31) (B- , B3) 12 /15/13 8.625 973,750
1,275 Titan International, Inc., Rule 144A, Senior Notes ‡ (B , B3) 01 /15/12 8.000 1,326,000
1,475 TriMas Corp., Global Company Guaranteed Notes (Callable 06/15/07 @ $104.94) (CCC+ , B3) 06 /15/12 9.875 1,537,687
7,050,687
Electric - Generation (2.7%)
1,000 AES Corp., Rule 144A, Secured Notes (Callable 05/15/08 @ $104.50) ‡ (BB- , Ba3) 05 /15/15 9.000 1,075,000
288 Calpine Generating Company LLC, Global Secured Notes (Callable 04/01/08 @ $103.50) #Ø (D , NR) 04 /01/10 11.070 73,452
1,575 Dynegy Holdings, Inc., Global Senior Unsecured Notes § (B- , B2) 05 /01/16 8.375 1,667,531
650 Edison Mission Energy, Senior Notes (BB- , B1) 06 /15/09 7.730 685,750
675 Midwest Generation LLC, Global Secured Notes (Callable 05/01/09 @ $104.38) (B+ , Ba2) 05 /01/34 8.750 749,250
438 Midwest Generation LLC, Series B, Global Pass Thru Certificates (BB- , Ba2) 01 /02/16 8.560 483,467
25 NRG Energy, Inc., Company Guaranteed Notes (Callable 01/15/12 @ $103.69) (B , B1) 01 /15/17 7.375 25,969
675 NRG Energy, Inc., Company Guaranteed Notes (Callable 02/01/11 @ $103.69) (B- , B1) 02 /01/16 7.375 702,844
1,025 Reliant Energy, Inc., Global Secured Notes (Callable 07/15/08 @ $104.75) (B , B2) 07 /15/13 9.500 1,112,125
6,575,388
Electric - Integrated (0.6%)
800 CMS Energy Corp., Global Senior Notes (B+ , Ba3) 08 /01/10 7.750 852,000
500 Sierra Pacific Resources, Global Senior Notes (Callable 03/15/09 @ $104.31) (B , B1) 03 /15/14 8.625 540,790
1,392,790
Electronics (3.0%)
1,400 Amkor Technology, Inc., Global Senior Notes (Callable 05/15/08 @ $103.88) (B , B1) 05 /15/13 7.750 1,391,250
203 Ampex Corp., Secured Notes ^ (NR , NR) 08 /15/08 12.000 202,626
2,775 Freescale Semiconductor, Inc., Rule 144A, Senior Subordinated Notes (Callable 12/15/11 @ $105.06) ‡§ (B , B2) 12 /15/16 10.125 2,816,625
723 GrafTech Finance, Inc., Global Company Guaranteed Notes (Callable 02/15/08 @ $103.42) § (B- , B2) 02 /15/12 10.250 764,572
1,225 Spansion, Inc., Rule 144A, Senior Notes (Callable 01/15/11 @ $105.62) ‡ (B , Caa1) 01 /15/16 11.250 1,274,000
1,000 Viasystems, Inc., Global Senior Subordinated Notes (Callable 01/15/08 @ $105.25) (CCC+ , Caa1) 01 /15/11 10.500 1,022,500
7,471,573
Energy - Exploration & Production (3.4%)
1,225 Chaparral Energy, Inc., Rule 144A, Senior Notes (Callable 02/01/12 @ $104.44) ‡ (CCC+ , Caa1) 02 /01/17 8.875 1,261,750
1,983 Chesapeake Energy Corp., Senior Notes (Callable 01/15/09 @ $103.44) § (BB , Ba2) 01 /15/16 6.875 2,027,617
1,050 Encore Acquisition Co., Company Guaranteed Notes (Callable 12/01/10 @ $103.63) (B , B1) 12 /01/17 7.250 1,021,125
200 Forest Oil Corp., Global Company Guaranteed Notes (Callable 05/01/08 @ $102.58) (B+ , B1) 05 /01/14 7.750 206,000
975 Hilcorp Energy I, Rule 144A, Senior Notes (Callable 06/01/11 @ $104.50) ‡ (B , B3) 06 /01/16 9.000 1,048,125
423 Magnum Hunter Resources, Inc., Global Company Guaranteed Notes (Callable 03/15/08 @ $103.20) (BB- , B1) 03 /15/12 9.600 444,362
1,275 Petrohawk Energy Corp., Global Company Guaranteed Notes (Callable 07/15/10 @ $104.56) (B- , B3) 07 /15/13 9.125 1,372,219
350 Range Resources Corp., Global Company Guaranteed Notes (Callable 03/15/10 @ $103.19) (B , B1) 03 /15/15 6.375 349,125
625 Whiting Petroleum Corp., Global Senior Subordinated Notes (Callable 05/01/08 @ $103.63) (B , B1) 05 /01/12 7.250 617,187
8,347,510
Environmental (1.6%)
2,325 Allied Waste North America, Inc., Series B, Global Senior Notes (Callable 04/15/09 @ $103.69) § (B+ , B2) 04 /15/14 7.375 2,371,500
1,375 Waste Services, Inc., Global Senior Subordinated Notes (Callable 04/15/09 @ $104.75) (CCC+ , Caa1) 04 /15/14 9.500 1,457,500
3,829,000
Food & Drug Retailers (1.4%)
1,925 Duane Reade, Inc., Global Senior Subordinated Notes (Callable 08/01/08 @ $104.88) § (CC , Caa3) 08 /01/11 9.750 1,925,000
250 Ingles Markets, Inc., Global Company Guaranteed Notes (Callable 12/01/07 @ $102.90) § (B , B3) 12 /01/11 8.875 261,875

See Accompanying Notes to Financial Statements. 4

SEQ.=10,FOLIO='4',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Food & Drug Retailers
$ 75 Stater Brothers Holdings Inc., Rule 144A, Senior Notes (Callable 04/15/11 @ $103.88) ‡ (B+ , B2) 04 /15/15 7.750 $ 77,438
1,175 Stater Brothers Holdings, Inc., Global Senior Notes (Callable 06/15/08 @ $104.06) § (B+ , B2) 06 /15/12 8.125 1,216,125
3,480,438
Food - Wholesale (1.1%)
825 Dole Food Co., Debentures #§ (B- , Caa1) 07 /15/13 8.750 825,000
950 National Beef Packing Company LLC, Global Senior Notes (Callable 08/01/07 @ $105.25) (B- , Caa1) 08 /01/11 10.500 1,004,625
850 Swift & Co., Global Senior Subordinated Notes (Callable 10/01/07 @ $103.13) (CCC+ , Caa1) 01 /01/10 12.500 888,250
2,717,875
Forestry & Paper (4.6%)
800 Boise Cascade LLC, Global Company Guaranteed Notes (Callable 10/15/09 @ $103.56) (B+ , B2) 10 /15/14 7.125 800,000
1,150 Cellu Tissue Holdings, Inc., Global Secured Notes (Callable 03/15/08 @ $103.67) (B , B2) 03 /15/10 9.750 1,158,625
250 Georgia-Pacific Corp., Debentures (B , B2) 06 /15/15 7.700 257,500
750 Georgia-Pacific Corp., Global Senior Notes § (B , B2) 01 /15/24 8.000 761,250
300 Georgia-Pacific Corp., Rule 144A, Company Guaranteed Notes (Callable 01/15/12 @ $103.56) ‡§ (B , Ba3) 01 /15/17 7.125 303,000
1,225 Graphic Packaging International Corp., Global Senior Subordinated Notes (Callable 08/15/08 @ $104.75) § (B- , B3) 08 /15/13 9.500 1,316,875
625 Newark Group, Inc., Global Senior Subordinated Notes (Callable 03/15/09 @ $104.88) (B- , B3) 03 /15/14 9.750 650,781
750 NewPage Corp., Global Secured Notes (Callable 05/01/09 @ $106.00) (B- , B2) 05 /01/12 10.000 832,500
1,025 NewPage Corp., Global Senior Subordinated Notes (Callable 05/01/09 @ $106.00) § (CCC+ , B3) 05 /01/13 12.000 1,144,156
2,625 Smurfit-Stone Container, Global Senior Notes (Callable 07/01/07 @ $104.19) § (CCC+ , B3) 07 /01/12 8.375 2,680,781
175 Verso Paper Holdings LLC, Rule 144A, Secured Notes (Callable 08/01/10 @ $104.56) ‡§ (B , B2) 08 /01/14 9.125 185,063
1,125 Verso Paper Holdings LLC, Rule 144A, Senior Subordinated Notes (Callable 08/01/11 @ 105.69) ‡§ (CCC+ , B3) 08 /01/16 11.375 1,209,375
11,299,906
Gaming (6.3%)
1,125 Buffalo Thunder Development Authority, Rule 144A, Secured Notes (Callable 12/15/10 @ $104.69) ‡ (B , B2) 12 /15/14 9.375 1,161,562
1,550 CCM Merger, Inc., Rule 144A, Notes (Callable 08/01/09 @ $104.00) ‡ (CCC+ , B3) 08 /01/13 8.000 1,577,125
300 Choctaw Resort Development Enterprise, Rule 144A, Senior Notes (Callable 11/15/11 @ $103.63) ‡ (BB , Ba2) 11 /15/19 7.250 305,625
900 Herbst Gaming, Inc., Global Senior Subordinated Notes (Callable 06/01/08 @ $104.06) (B- , B3) 06 /01/12 8.125 913,500
750 Inn of the Mountain Gods, Global Senior Notes (Callable 11/15/07 @ $106.00) § (B- , B3) 11 /15/10 12.000 820,312
1,825 Jacobs Entertainment, Inc., Global Company Guaranteed Notes (Callable 06/15/10 @ $104.88) (B- , B3) 06 /15/14 9.750 1,934,500
775 Majestic Star Casino LLC, Company Guaranteed Notes (Callable 10/15/07 @ $104.75) (B+ , B1) 10 /15/10 9.500 819,562
900 Majestic Star LLC, Global Senior Unsecured Notes (Callable 10/15/08 @ $104.88) § (CCC+ , Caa1) 01 /15/11 9.750 868,500
450 MGM Mirage, Inc., Company Guaranteed Notes § (B+ , B1) 02 /01/11 8.375 479,813
1,425 MGM Mirage, Inc., Company Guaranteed Notes § (BB , Ba2) 01 /15/17 7.625 1,460,625
175 MGM Mirage, Inc., Global Company Guaranteed Notes (BB , Ba2) 04 /01/13 6.750 174,344
1,000 Trump Entertainment Resorts, Inc., Secured Notes (Callable 06/01/10 @ $104.25) § (B- , Caa1) 06 /01/15 8.500 1,011,250
800 Turning Stone Resort Casino Enterprise, Rule 144A, Senior Notes (Callable 09/15/10 @ $104.56) ‡ (B+ , B1) 09 /15/14 9.125 820,000
281 Waterford Gaming LLC, Rule 144A, Senior Notes (Callable 09/15/08 @ $103.55) ‡ (BB- , B1) 09 /15/12 8.625 298,563
2,100 Wimar Opco LLC, Rule 144A, Senior Subordinated Notes (Callable 12/15/10 @ $104.81) ‡ (CCC+ , B3) 12 /15/14 9.625 2,142,000
775 Wynn Las Vegas LLC, Global First Mortgage Notes (Callable 12/01/09 @ $103.31) § (BB- , B1) 12 /01/14 6.625 780,813
15,568,094
Gas Distribution (1.6%)
1,625 El Paso Performance-Link, Rule 144A, Notes ‡ (BB , Ba3) 07 /15/11 7.750 1,738,750
825 Inergy LP/Inergy Finance Corp., Global Company Guaranteed Notes (Callable 03/01/11 @ $104.13) (B , B1) 03 /01/16 8.250 878,625
575 Williams Companies, Inc., Global Senior Unsecured Notes (BB , Ba2) 03 /15/12 8.125 629,625
650 Williams Partners LP, Rule 144A, Bonds ‡ (BB+ , Ba3) 02 /01/17 7.250 690,625
3,937,625
Health Services (9.0%)
775 CDRV Investors, Inc., Global Senior Discount Notes (Callable 01/01/10 @ $104.81) + (CCC+ , Caa1) 01 /01/15 0.000 682,000
850 CDRV Investors, Inc., Rule 144A, Senior Notes (Callable 12/01/07 @ $102.00) ‡# (CCC+ , Caa1) 12 /01/11 9.860 858,500
1,300 HCA, Inc., Global Senior Unsecured Notes (B- , Caa1) 01 /15/15 6.375 1,135,875

See Accompanying Notes to Financial Statements. 5

SEQ.=11,FOLIO='5',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Health Services
$ 4,650 HCA, Inc., Global Senior Unsecured Notes (B- , Caa1) 02 /15/16 6.500 $ 4,074,562
1,850 HCA, Inc., Rule 144A, Secured Notes (Callable 11/15/11 @ $104.63) ‡ (BB- , B2) 11 /15/16 9.250 2,021,125
1,150 HCA, Inc., Senior Unsecured Notes § (B- , Caa1) 10 /01/12 6.300 1,091,063
1,275 Healthsouth Corp., Rule 144A, Senior Notes (Callable 06/15/11 @ $105.38) ‡ (CCC+ , Caa1) 06 /15/16 10.750 1,396,125
1,025 Iasis Healthcare/Capital Corp., Global Senior Subordinated Notes (Callable 06/15/09 @ $104.38) § (CCC+ , B3) 06 /15/14 8.750 1,067,281
800 Senior Housing Properties Trust, Senior Notes (BB+ , Ba2) 01 /15/12 8.625 878,000
200 Service Corporation International, Rule 144A, Senior Notes ‡ (BB- , B1) 04 /01/15 6.750 203,000
750 Stewart Enterprises, Inc., Global Senior Notes (Callable 02/15/09 @ $103.13) (B+ , B1) 02 /15/13 6.250 740,625
2,675 Tenet Healthcare Corp., Global Senior Notes § (CCC+ , Caa1) 07 /01/14 9.875 2,755,250
500 Tenet Healthcare Corp., Global Senior Notes #§ (CCC+ , Caa1) 02 /01/15 9.250 502,500
600 Triad Hospitals, Inc., Senior Notes (Callable 05/15/08 @ $103.50) (BB- , B1) 05 /15/12 7.000 627,000
875 Triad Hospitals, Inc., Senior Subordinated Notes (Callable 11/15/08 @ $103.50) (B+ , B2) 11 /15/13 7.000 918,750
1,275 Universal Hospital Services, Inc., Global Senior Notes (Callable 11/01/07 @ $105.06) (B- , B3) 11 /01/11 10.125 1,372,341
1,600 Vanguard Health Holding Co., Global Senior Subordinated Notes (Callable 10/01/09 @ $104.50) (CCC+ , Caa1) 10 /01/14 9.000 1,666,000
21,989,997
Hotels (0.7%)
500 Bluegreen Corp., Series B, Company Guaranteed Notes (B- , B3) 04 /01/08 10.500 502,500
350 Host Hotels & Resorts LP, Global Secured Notes (Callable 11/01/10 @ $103.44) (BB , Ba1) 11 /01/14 6.875 360,063
950 Host Marriott LP, Series Q, Global Company Guaranteed Notes (Callable 06/01/11 @ $103.33) § (BB , Ba1) 06 /01/16 6.750 970,187
1,832,750
Household & Leisure Products (1.3%)
500 Ames True Temper, Inc., Global Company Guaranteed Notes (Callable 01/15/08 @ $101.50) # (CCC+ , Caa1) 01 /15/12 9.356 512,500
1,400 Ames True Temper, Inc., Global Senior Subordinated Notes (Callable 07/15/08 @ $105.00) § (CCC- , Caa3) 07 /15/12 10.000 1,389,500
525 Sealy Mattress Co., Global Senior Subordinated Notes (Callable 06/15/09 @ $104.13) (B , B2) 06 /15/14 8.250 555,188
825 Simmons Bedding Co., Global Senior Subordinated Notes (Callable 01/15/09 @ $103.94) § (CCC+ , B2) 01 /15/14 7.875 851,812
3,309,000
Leisure (1.0%)
250 Bally Total Fitness Holding Corp., Global Senior Notes (Callable 07/15/07 @ $105.25) (D , Ca) 07 /15/11 10.500 238,750
950 Six Flags, Inc., Global Senior Notes (Callable 02/01/08 @ $101.48) (CCC , Caa1) 02 /01/10 8.875 970,188
175 Six Flags, Inc., Global Senior Notes (Callable 04/15/08 @ $104.88) (CCC , Caa1) 04 /15/13 9.750 172,375
1,050 Six Flags, Inc., Global Senior Notes (Callable 06/01/09 @ $104.81) (CCC , Caa1) 06 /01/14 9.625 1,021,125
2,402,438
Machinery (0.7%)
875 Baldor Electric Co., Company Guaranteed Notes (Callable 02/15/12 @ $104.31) (B , B3) 02 /15/17 8.625 938,438
825 Case New Holland, Inc., Global Company Guaranteed Notes (Callable 08/01/07 @ $104.62) (BB , Ba3) 08 /01/11 9.250 871,406
1,809,844
Media - Broadcast (4.2%)
1,000 Allbritton Communications Co., Global Senior Subordinated Notes (Callable 12/15/07 @ $103.88) (B- , B1) 12 /15/12 7.750 1,032,500
850 Barrington Broadcasting, Rule 144A, Senior Subordinated Notes (Callable 08/15/10 @ $105.25) ‡ (CCC+ , B3) 08 /15/14 10.500 905,250
925 CMP Susquehanna Corp., Rule 144A, Senior Subordinated Notes (Callable 05/15/10 @ 104.94) ‡ (CCC , B3) 05 /15/14 9.875 948,125
450 Fisher Communications, Inc., Global Senior Notes (Callable 09/15/09 @ $104.31) (B- , B2) 09 /15/14 8.625 485,438
1,275 ION Media Networks, Inc., Rule 144A, Secured Notes (Callable 01/15/08 @ $102.00) ‡# (CCC- , Caa2) 01 /15/13 11.606 1,332,375
1,075 Nexstar Finance, Inc., Global Senior Subordinated Notes (Callable 01/15/09 @ $103.50) § (CCC+ , B3) 01 /15/14 7.000 1,050,812
750 Sirius Satellite Radio, Inc., Global Senior Unsecured Notes (Callable 09/01/09 @ $104.81) (CCC , Caa1) 08 /01/13 9.625 753,750
1,200 Univision Communications, Inc., Rule 144A, Senior Notes (Callable 03/15/11@ $104.88) ‡ (CCC+ , B3) 03 /15/15 9.750 1,210,500
600 XM Satellite Radio, Inc., Global Company Guaranteed Notes (Callable 05/01/08 @ $102.00) # (CCC , Caa1) 05 /01/13 9.860 594,000
1,925 Young Broadcasting, Inc., Global Senior Subordinated Notes (Callable 01/15/09 @ $104.38) § (CCC- , Caa1) 01 /15/14 8.750 1,886,500
10,199,250

See Accompanying Notes to Financial Statements. 6

SEQ.=12,FOLIO='6',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Media - Cable (8.0%)
$ 1,700 Atlantic Broadband Finance LLC, Global Company Guaranteed Notes (Callable 01/15/09 @ $104.69) (CCC+ , Caa1) 01 /15/14 9.375 $ 1,761,625
2,575 CCH I Holdings LLC, Global Company Guaranteed Notes (Callable 09/30/07 @ $100.00) (CCC , Caa3) 04 /01/14 9.920 2,407,625
2,675 CCH I LLC, Global Secured Notes (Callable 10/01/10 @ $105.50) (CCC , Caa2) 10 /01/15 11.000 2,855,562
2,525 CCO Holdings LLC, Global Senior Notes (Callable 11/15/08 @ $104.38) (CCC , Caa1) 11 /15/13 8.750 2,660,719
792 Charter Communications Holdings LLC, Senior Discount Notes # (CCC , Caa3) 04 /01/11 9.920 793,980
1,850 CSC Holdings, Inc., Global Senior Unsecured Notes (B+ , B2) 04 /15/12 6.750 1,856,938
1,625 CSC Holdings, Inc., Series B, Senior Notes § (B+ , B2) 04 /01/11 7.625 1,683,906
325 DirecTV Holdings/Finance, Global Senior Notes (Callable 03/15/08 @ $104.19) § (BB- , Ba3) 03 /15/13 8.375 344,500
1,150 EchoStar DBS Corp., Global Company Guaranteed Notes (BB- , Ba3) 10 /01/14 6.625 1,170,125
500 GCI, Inc., Global Senior Notes (Callable 02/15/09 @ $103.63) § (B+ , B1) 02 /15/14 7.250 502,500
750 Insight Communications Company, Inc., Senior Discount Notes (Callable 02/15/08 @ $102.04) + (CCC+ , B3) 02 /15/11 12.250 785,625
104 Insight Midwest/Insight Capital Corp., Senior Notes (Callable 10/01/07 @ $100.00) (B , B3) 10 /01/09 9.750 105,950
1,925 Mediacom Broadband LLC, Global Senior Notes (Callable 10/15/10 @ $104.25) (B , B3) 10 /15/15 8.500 2,011,625
825 Mediacom LLC/Capital Corp., Senior Notes (Callable 02/15/08 @ $100.00) (B , B3) 02 /15/11 7.875 833,250
19,773,930
Media - Services (0.2%)
750 WMG Holdings Corp., Global Senior Discount Notes (Callable 12/15/09 @ $104.75) + (B , B2) 12 /15/14 0.000 573,750
Metal & Mining - Excluding Steel (2.1%)
225 Aleris International, Inc., Rule 144A, Senior Notes (Callable 12/15/10 @ $104.50) ‡ (B- , B3) 12 /15/14 9.000 239,906
1,000 Aleris International, Inc., Rule 144A, Senior Subordinated Notes (Callable 12/15/11 @ $105.00) ‡ (B- , Caa1) 12 /15/16 10.000 1,048,750
1,600 Alpha Natural Resources LLC, Global Company Guaranteed Notes (Callable 06/01/08 @ $105.00) # (B- , B3) 06 /01/12 10.000 1,736,000
800 Freeport - McMoRan Copper & Gold, Inc., Senior Unsecured Notes (Callable 04/01/11 @ $104.13) (BB , Ba3) 04 /01/15 8.250 867,000
425 Freeport - McMoRan Copper & Gold, Inc., Senior Unsecured Notes (Callable 04/01/12 @ $104.19) (BB , Ba3) 04 /01/17 8.375 465,906
725 Southern Copper Corp., Global Senior Notes (BBB- , Baa2) 07 /27/35 7.500 807,167
5,164,729
Non-Food & Drug Retailers (5.3%)
1,589 Affinity Group, Inc., Global Senior Subordinated Notes (Callable 02/15/08 @ $105.44) (CCC+ , B3) 02 /15/12 10.875 1,684,027
900 Asbury Automotive Group, Inc., Rule 144A, Senior Subordinated Notes (Callable 03/15/12 @ $103.81) ‡ (B , B3) 03 /15/17 7.625 909,000
1,350 Brookstone Company, Inc., Global Secured Notes (Callable 10/15/09 @ $106.00) (B , Caa1) 10 /15/12 12.000 1,458,000
1,250 Finlay Fine Jewelry Corp., Global Senior Notes (Callable 06/01/08 @ $104.19) § (B- , Caa1) 06 /01/12 8.375 1,134,375
850 GameStop Corp., Global Company Guaranteed Notes (Callable 10/01/09 @ $104.00) § (B+ , Ba3) 10 /01/12 8.000 910,563
505 Michaels Stores, Inc., Rule 144A, Senior Notes (Callable 11/01/10 @ $105.00) ‡ (CCC , B2) 11 /01/14 10.000 553,606
1,120 Michaels Stores, Inc., Rule 144A, Senior Subordinated Notes (Callable 11/01/11 @ $105.69) ‡§ (CCC , Caa1) 11 /01/16 11.375 1,237,600
500 Nebraska Book Company, Inc., Global Senior Subordinated Notes (Callable 03/15/08 @ $104.31) (CCC , B3) 03 /15/12 8.625 506,250
1,585 Neiman Marcus Group, Inc., Global Company Guaranteed Notes (Callable 10/15/10 @ $105.19) § (B- , B3) 10 /15/15 10.375 1,789,069
1,000 PCA LLC/PCA Finance Corp. Global Company Guaranteed Notes Ø (NR , NR) 08 /01/09 11.875 25,000
600 SGS International, Inc., Rule 144A, Global Senior Subordinated Notes (Callable 12/15/09 @ $106.00) ‡ (B- , B3) 12 /15/13 12.000 651,000
863 Susser Holdings LLC, Global Company Guaranteed Notes (Callable 12/15/09 @ $105.31) (B+ , B2) 12 /15/13 10.625 951,457
1,225 Yankee Acquisition Corp., Rule 144A, Senior Subordinated Notes (Callable 02/15/12 @ $104.88) ‡§ (CCC+ , Caa1) 02 /15/17 9.750 1,267,875
13,077,822
Office Equipment (0.3%)
775 Xerox Corp., Senior Notes (Callable 06/15/08 @ $103.81) (BBB- , Baa3) 06 /15/13 7.625 817,625
Oil Refining & Marketing (0.5%)
450 Giant Industries, Inc., Company Guaranteed Notes (Callable 05/15/09 @ $104.00) (B- , B2) 05 /15/14 8.000 472,500
743 Giant Industries, Inc., Global Company Guaranteed Notes (Callable 05/15/08 @ $103.67) (B- , B2) 05 /15/12 11.000 788,509
1,261,009
Packaging (4.0%)
1,355 Berry Plastics Holding Corp., Global Secured Notes (Callable 09/15/10 @ $104.44) (B- , B3) 09 /15/14 8.875 1,402,425
1,625 Constar International, Inc., Senior Subordinated Notes (Callable 12/01/07 @ $105.50) (CCC , Caa2) 12 /01/12 11.000 1,665,625

See Accompanying Notes to Financial Statements. 7

SEQ.=13,FOLIO='7',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Packaging
$ 1,225 Covalence Specialty Materials Corp., Rule 144A, Senior Subordinated Notes (Callable 03/01/11 @ $105.13) ‡ (CCC+ , Caa1) 03 /01/16 10.250 $ 1,258,688
650 Crown Americas LLC, Global Senior Notes (Callable 11/15/10 @ $103.88) § (B , B1) 11 /15/15 7.750 690,625
50 Graham Packaging Company, Inc., Global Company Guaranteed Notes (Callable 10/15/08 @ $104.25) (CCC+ , Caa1) 10 /15/12 8.500 51,250
1,225 Graham Packaging Company, Inc., Global Subordinated Notes (Callable 10/15/09 @ $104.94) § (CCC+ , Caa1) 10 /15/14 9.875 1,274,000
154 Owens-Brockway Glass Containers, Global Company Guaranteed Notes (Callable 02/15/08 @ $100.00) (BB- , Ba2) 02 /15/09 8.875 157,850
850 Owens-Brockway Glass Containers, Inc., Rule 144A, Senior Notes (Callable 05/15/08 @ $104.13) ‡ (B , B3) 05 /15/13 8.250 901,000
800 Pliant Corp., Global Secured Notes (Callable 06/01/07 @ $105.56) § (CCC , Caa1) 09 /01/09 11.125 818,000
1 Pliant Corp., Global Secured Notes (Callable 06/15/07 @ $111.62) (B- , NR) 06 /15/09 11.625 664
1,825 Solo Cup Co., Global Senior Subordinated Notes (Callable 02/15/09 @ $104.25) (CCC- , Caa2) 02 /15/14 8.500 1,601,437
9,821,564
Printing & Publishing (4.4%)
1,225 American Media Operations, Inc., Series B, Global Company Guaranteed Notes (Callable 05/01/07 @ $100.00) (CCC- , Caa2) 05 /01/09 10.250 1,157,625
1,350 CBD Media Holdings/Finance, Global Senior Notes (Callable 07/15/08 @ $104.63) (CCC+ , Caa1) 07 /15/12 9.250 1,424,250
700 Dex Media, Inc., Global Discount Notes (Callable 11/15/08 @ $104.50) + (B , B3) 11 /15/13 0.000 663,250
1,150 Haights Cross Operating Co., Global Company Guaranteed Notes (Callable 08/15/08 @ $105.88) (CCC- , Caa2) 08 /15/11 11.750 1,227,625
1,350 R.H. Donnelley Corp., Series A-2, Global Senior Discount Notes (Callable 01/15/09 @ $103.44) § (B , B3) 01 /15/13 6.875 1,344,937
250 R.H. Donnelley Corp., Series A-3, Global Senior Notes (Callable 01/15/11 @ $104.44) (B , B3) 01 /15/16 8.875 272,500
1,400 Reader's Digest Association, Inc., Rule 144A, Senior Subordinated Notes (Callable 02/15/12 @ $104.50) ‡ (CCC+ , Caa1) 02 /15/17 9.000 1,379,000
1,225 Valassis Communications, Inc., Rule 144A, Senior Notes (Callable 03/01/11 @ $104.13) ‡§ (B- , B3) 03 /01/15 8.250 1,209,687
1,150 Vertis, Inc., Series B, Global Company Guaranteed Notes (Callable 06/15/07 @ $102.72) (CCC , Caa1) 06 /15/09 10.875 1,145,688
925 WDAC Subsidiary Corp., Rule 144A, Senior Notes (Callable 12/01/09 @ $104.19) ‡§ (CCC+ , Caa1) 12 /01/14 8.375 982,813
10,807,375
Restaurants (1.7%)
1,325 Buffets, Inc., Global Company Guaranteed Notes (Callable 11/01/10 @ $106.25) (CCC , Caa1) 11 /01/14 12.500 1,397,875
1,375 Denny's Corp., Global Company Guaranteed Notes (Callable 10/01/08 @ $105.00) § (CCC+ , B3) 10 /01/12 10.000 1,474,687
1,000 Friendly Ice Cream Corp., Global Senior Notes (Callable 06/15/08 @ $104.19) § (CCC+ , Caa1) 06 /15/12 8.375 995,000
250 OSI Restaurant Partners, Inc., Rule 144A, Senior Notes (Callable 05/15/11 @ $104.81) ‡ (B- , Caa1) 05 /15/15 9.625 258,438
4,126,000
Software/Services (1.3%)
2,775 SunGard Data Systems, Inc., Global Company Guaranteed Notes (Callable 08/15/10 @ $105.13) (B- , Caa1) 08 /15/15 10.250 3,066,375
Steel Producers/Products (2.3%)
1,325 AK Steel Corp., Global Company Guaranteed Notes (Callable 06/15/07 @ $103.88) § (B+ , B2) 06 /15/12 7.750 1,374,687
1,225 Edgen Acquisition Corp., Global Secured Notes (Callable 02/01/08 @ $104.94) (B- , NR) 02 /01/11 9.875 1,316,875
1,150 PNA Group, Inc., Rule 144A, Senior Notes (Callable 09/01/11 @ $105.38) ‡ (B- , B3) 09 /01/16 10.750 1,270,750
400 PNA Intermediate Holding Corp., Rule 144A, Senior Notes (Callable 02/15/08 @ $102.00) ‡# (B- , Caa1) 02 /15/13 12.360 414,000
1,275 RathGibson, Inc., Global Company Guaranteed Notes (Callable 02/15/10 @ $105.62) (B- , B3) 02 /15/14 11.250 1,357,875
750 WCI Steel Escrow (NR , NR) 12 /01/04 10.000 19,068
5,753,255
Support-Services (7.6%)
1,250 Allied Security Escrow Corp., Global Senior Subordinated Notes (Callable 07/15/08 @ $105.69) (CCC+ , Caa1) 07 /15/11 11.375 1,275,000
300 ARAMARK Corp., Rule 144A, Senior Notes (Callable 02/01/09 @ $102.00) ‡ (B- , B3) 02 /01/15 8.856 309,750
450 ARAMARK Corp., Rule 144A, Senior Notes (Callable 02/01/11 @ $104.25) ‡§ (B- , B3) 02 /01/15 8.500 473,063
400 Ashtead Capital, Inc., Rule 144A, Notes (Callable 08/15/11 @ $104.50) ‡ (B , B3) 08 /15/16 9.000 432,000
914 DI Finance/Dyncorp International, Global Senior Subordinated Notes (Callable 02/15/09 @ $104.75) (B , B3) 02 /15/13 9.500 987,120
150 Education Management LLC, Global Company Guaranteed Notes (Callable 06/01/10 @ $104.38) (CCC+ , B2) 06 /01/14 8.750 159,375
1,075 Education Management LLC, Global Company Guaranteed Notes (Callable 06/01/11 @ $105.13) (CCC+ , Caa1) 06 /01/16 10.250 1,179,813
500 Hertz Corp., Global Company Guaranteed Notes (Callable 01/01/10 @ $104.44) (B , B1) 01 /01/14 8.875 541,250
600 Hertz Corp., Global Company Guaranteed Notes (Callable 01/01/11 @ $105.25) § (B , B2) 01 /01/16 10.500 687,000

See Accompanying Notes to Financial Statements. 8

SEQ.=14,FOLIO='8',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Support-Services
$ 1,000 HydroChem Industrial Services, Inc., Rule 144A, Senior Subordinated Notes (Callable 02/15/09 @ $104.63) ‡ (CCC+ , B3) 02 /15/13 9.250 $ 1,035,000
750 Iron Mountain, Inc., Company Guaranteed Notes (Callable 04/01/08 @ $101.44) (B , B3) 04 /01/13 8.625 776,250
175 Iron Mountain, Inc., Company Guaranteed Notes (Callable 07/01/08 @ $103.31) § (B , B3) 01 /01/16 6.625 170,625
1,500 Johnsondiversey Holdings, Inc., Global Discount Notes (Callable 05/15/08 @ $103.56) + (CCC+ , Caa1) 05 /15/13 0.000 1,563,750
775 KAR Holdings, Inc., Rule 144A, Senior Notes (Callable 05/01/10 @ $104.38) ‡ (CCC , B3) 05 /01/14 8.750 800,188
425 KAR Holdings, Inc., Rule 144A, Senior Subordinated Notes (Callable 04/01/11 @ $105.00) ‡ (CCC , Caa1) 05 /01/15 10.000 442,531
750 Language Line, Inc., Global Senior Subordinated Notes (Callable 06/15/08 @ 105.56) § (CCC+ , B3) 06 /15/12 11.125 810,000
1,050 Mobile Services Group, Inc., Rule 144A, Senior Notes (Callable 08/01/10 @ $104.88) ‡ (B- , B3) 08 /01/14 9.750 1,144,500
1,125 Rental Service Corp., Rule 144A, Bonds (Callable 12/01/10 @ $104.75) ‡ (B- , Caa1) 12 /01/14 9.500 1,200,937
1,825 TDS Investor Corp., Rule 144A, Senior Subordinated Notes (Callable 09/01/11 @ 105.94) ‡§ (CCC+ , Caa1) 09 /01/16 11.875 2,048,562
1,675 United Rentals North America, Inc., Global Senior Subordinated Notes (Callable 02/15/09 @ $103.50) § (B , B3) 02 /15/14 7.000 1,716,875
900 Williams Scotsman, Inc., Global Company Guaranteed Notes (Callable 10/01/10 @ $104.25) § (B+ , B2) 10 /01/15 8.500 958,500
18,712,089
Telecom - Fixed Line (1.4%)
2,225 Level 3 Financing, Inc., Rule 144A, Senior Notes (Callable 02/15/09 @ $102.00) ‡# (CCC+ , B3) 02 /15/15 9.150 2,263,937
400 Level 3 Financing, Inc., Rule 144A, Senior Notes (Callable 11/01/10 @ $104.63) ‡ (CCC+ , B3) 11 /01/14 9.250 417,500
775 Time Warner Telecom Holdings, Inc., Global Company Guaranteed Notes (Callable 02/15/09 @ $104.62) (CCC+ , B3) 02 /15/14 9.250 837,000
3,518,437
Telecom - Integrated/Services (2.7%)
1,525 Cincinnati Bell, Inc., Global Senior Subordinated Notes (Callable 01/15/09 @ $104.19) § (B- , B2) 01 /15/14 8.375 1,568,844
700 Hawaiian Telcom Communications, Inc., Series B, Global Company Guaranteed Notes (Callable 05/01/10 @ $106.25) § (CCC , B3) 05 /01/15 12.500 791,000
850 Hughes Network Systems LLC, Global Company Guaranteed Notes (Callable 04/15/10 @ $104.75) (B- , B1) 04 /15/14 9.500 898,875
125 LCI International, Inc., Senior Notes (NR , NR) 06 /15/07 7.250 125,000
375 Qwest Communications International, Inc., Global Company Guaranteed Notes (Callable 02/15/08 @ $103.63) (B+ , Ba3) 02 /15/11 7.250 386,250
2,050 Qwest Communications International, Inc., Series B, Global Company Guaranteed Notes (Callable 02/15/09 @ $103.75) (B , Ba3) 02 /15/14 7.500 2,126,875
350 Windstream Corp., Global Company Guaranteed Notes (BB- , Ba3) 08 /01/13 8.125 381,500
375 Windstream Corp., Global Company Guaranteed Notes (Callable 08/01/11 @ $104.31) (BB- , Ba3) 08 /01/16 8.625 413,437
6,691,781
Telecom - Wireless (3.4%)
675 Centennial Cellular Communications Corp., Global Company Guaranteed Notes (Callable 06/15/08 @ $105.06) (CCC , B2) 06 /15/13 10.125 732,375
575 Centennial Communications Corp., Global Senior Notes (Callable 01/01/09 @ $107.50) § (CCC , Caa1) 01 /01/13 10.000 625,313
1,275 Cricket Communications, Inc., Rule 144A, Senior Notes (Callable 11/01/10 @ $104.69) ‡ (CCC , Caa2) 11 /01/14 9.375 1,367,437
1,925 Dobson Communications Corp., Global Senior Notes (Callable 10/01/08 @ $104.44) § (CCC , Caa1) 10 /01/13 8.875 1,994,781
1,175 Metro PCS Wireless, Inc., Rule 144A, Senior Notes (Callable 11/01/10 @ $104.63) ‡ (CCC , Caa2) 11 /01/14 9.250 1,260,187
1,125 Rural Cellular Corp., Global Senior Subordinated Notes (Callable 01/15/08 @ $101.63) (CCC , Caa2) 01 /15/10 9.750 1,167,188
225 Rural Cellular Corp., Global Senior Unsecured Notes (Callable 08/01/07 @ $104.94) (CCC , B3) 02 /01/10 9.875 239,063
975 Triton PCS, Inc., Global Company Guaranteed Notes (Callable 06/01/08 @ $104.25) (CCC- , Caa2) 06 /01/13 8.500 1,022,531
8,408,875
Textiles & Apparel (1.0%)
1,025 Levi Strauss & Co., Global Senior Notes (Callable 01/15/10 @ $104.88) § (B , B2) 01 /15/15 9.750 1,130,062
475 Levi Strauss & Co., Global Senior Notes (Callable 12/15/07 @ $106.13) (B , B2) 12 /15/12 12.250 521,313
950 Propex Fabrics, Inc., Global Company Guaranteed Notes (Callable 12/01/08 @ $105.00) (CCC , Caa1) 12 /01/12 10.000 881,125
2,532,500

See Accompanying Notes to Financial Statements. 9

SEQ.=15,FOLIO='9',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
U.S. CORPORATE BONDS
Theaters & Entertainment (1.2%)
$ 1,775 AMC Entertainment, Inc., Global Senior Subordinated Notes (Callable 03/01/09 @ $104.00) § (CCC+ , B3) 03 /01/14 8.000 $ 1,823,813
1,200 Cinemark, Inc., Global Senior Discount Notes (Callable 03/15/09 @ $104.88) + (CCC+ , B3) 03 /15/14 0.000 1,110,000
2,933,813
Transportation - Excluding Air/Rail (0.3%)
651 H-Lines Finance Holding Corp., Global Senior Discount Notes (Callable 04/01/08 @ $105.50) + (CCC+ , Caa1) 04 /01/13 0.000 616,823
TOTAL U.S. CORPORATE BONDS (Cost $299,501,036) 311,273,945
FOREIGN CORPORATE BONDS (12.4%)
Building Materials (0.3%)
1,000 Maax Corp., Global Senior Subordinated Notes (Callable 06/15/08 @ $104.88) (Canada) (CC , Caa3) 06 /15/12 9.750 657,500
Chemicals (1.2%)
1,300 Basell AF SCA, Rule 144A, Company Guaranteed Notes (Callable 08/15/10 @ $104.19) (Luxembourg) ‡ (B , B2) 08 /15/15 8.375 1,358,500
1,350 Ineos Group Holdings PLC, Rule 144A, Notes (Callable 02/15/11 @ $104.25) (United Kingdom) ‡ (B- , B2) 02 /15/16 8.500 1,312,875
150 Rhodia SA, Global Senior Subordinated Notes (Callable 06/01/07 @ 104.44) (France) § (B , B3) 06 /01/11 8.875 157,500
2,828,875
Electronics (2.0%)
450 Avago Technologies Finance, Global Company Guaranteed Notes (Callable 12/01/09 @ $105.06) (Singapore) # (B , B2) 12 /01/13 10.375 493,875
600 Avago Technologies Finance, Global Company Guaranteed Notes (Callable 12/01/10 @ $105.94) (Singapore) (CCC+ , Caa1) 12 /01/15 11.875 688,500
550 Celestica, Inc., Senior Subordinated Notes (Callable 07/01/08 @ $103.94) (Canada) (B- , B2) 07 /01/11 7.875 544,500
425 Magnachip Semiconductor, Global Senior Subordinated Notes (Callable 12/15/09 @ $104.00) (Luxembourg) § (CCC+ , Caa1) 12 /15/14 8.000 274,125
1,000 New Asat, Ltd., Global Company Guaranteed Notes (Callable 02/01/08 @ $104.63) (Cayman Islands) (CCC , Caa1) 02 /01/11 9.250 865,000
300 NXP BV/NXP Funding LLC, Rule 144A, Secured Notes (Callable 10/15/10 @ $103.94) (Netherlands) ‡ (BB+ , Ba2) 10 /15/14 7.875 313,500
1,575 NXP BV/NXP Funding LLC, Rule 144A, Senior Notes (Callable 10/15/11 @ $104.75) (Netherlands) ‡§ (B+ , B2) 10 /15/15 9.500 1,661,625
4,841,125
Energy - Exploration & Production (0.2%)
550 OPTI Canada, Inc., Rule 144A, Company Guaranteed Notes (Callable 12/15/10 @ $104.13) (Canada) ‡ (BB , B1) 12 /15/14 8.250 584,375
Food & Drug Retailers (0.4%)
925 Jean Coutu Group PJC, Inc., Global Senior Subordinated Notes (Callable 08/01/09 @ $104.25) (Canada) (B- , Caa2) 08 /01/14 8.500 1,005,937
Forestry & Paper (1.5%)
600 Abitibi-Consolidated, Inc., Global Notes (Canada) (B+ , B3) 06 /15/11 7.750 574,500
1,050 Abitibi-Consolidated, Inc., Yankee Senior Notes (Canada) § (B+ , B3) 04 /01/15 8.375 987,000
850 Bowater Canada Finance Corp., Global Company Guaranteed Notes (Canada) § (B+ , B3) 11 /15/11 7.950 835,125
70 Smurfit Kappa Funding, Global Senior Notes (Callable 10/01/07 @ $104.81) (Ireland) (B , B2) 10 /01/12 9.625 74,025
1,000 Smurfit Kappa Funding, Global Senior Subordinated Notes (Callable 01/31/10 @ $103.88) (Ireland) (B , B2) 04 /01/15 7.750 1,030,000
380 Tembec Industries, Inc., Yankee Company Guaranteed Notes (Callable 06/30/07 @ $100.00) (Canada) § (CCC- , Ca) 06 /30/09 8.625 243,200
3,743,850
Leisure (0.5%)
1,175 NCL Corp., Global Senior Notes (Callable 07/15/09 @ $105.31) (Bermuda) # (B , B3) 07 /15/14 10.625 1,175,000
Media - Cable (0.8%)
150 NTL Cable PLC, Global Senior Notes (Callable 08/15/11 @ $104.56) (United Kingdom) (B- , B2) 08 /15/16 9.125 160,875
883 Telenet Group Holding NV, Rule 144A, Discount Notes (Callable 12/15/08 @ $105.75) (Belgium) ‡+ (CCC+ , B3) 06 /15/14 0.000 832,227
675 Unity Media GmbH, Rule 144A, Senior Notes (Callable 02/15/10 @ $105.06) (Germany) ‡ (CCC+ , Caa1) 02 /15/15 10.125 1,020,236
2,013,338

See Accompanying Notes to Financial Statements. 10

SEQ.=16,FOLIO='10',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Par (000) Ratings† (S&P/Moody's) Maturity Value
FOREIGN CORPORATE BONDS
Metal & Mining - Excluding Steel (0.0%)
$ 1,021 International Utility Structures, Inc., Yankee Senior Subordinated Notes (Canada) Ø^ (NR , NR) 02 /01/08 10.750 $ 0
Pharmaceuticals (0.3%)
775 Elan Finance PLC, Rule 144A, Senior Unsecured Notes (Callable 12/01/10 @ $104.44) (Ireland) ‡ (B , B3) 12 /01/13 8.875 802,125
Printing & Publishing (0.4%)
800 Quebecor World, Inc., Rule 144A, Senior Notes (Callable 01/15/11 @ $104.88) (Canada) ‡ (B+ , B2) 01 /15/15 9.750 848,000
Support-Services (0.7%)
1,000 Ashtead Holdings PLC, Rule 144A, Secured Notes (Callable 08/01/10 @ $104.31) (United Kingdom) ‡ (B , B3) 08 /01/15 8.625 1,050,000
525 Carlson Wagonlit BV, Rule 144A Senior Notes (Callable 11/01/07 @ $104.00) (Netherlands) ‡# (B- , B2) 05 /01/15 9.531 765,753
1,815,753
Telecom - Integrated/Services (2.9%)
1,300 Global Crossing UK Finance, Global Company Guaranteed Notes (Callable 12/15/09 @ $105.38) (United Kingdom) (B- , B3) 12 /15/14 10.750 1,426,750
550 Hellas II, Rule 144A, Subordinated Notes (Callable 01/15/08 @ $102.00) (Luxembourg) ‡# (CCC+ , Caa1) 01 /15/15 11.106 573,375
1,550 Intelsat, Ltd., Global Company Guaranteed (Callable 1/15/08 @ $102.00) (Bermuda) # (B , Caa1) 01 /15/15 8.872 1,592,625
400 Intelsat, Ltd., Global Senior Unsecured Notes (Bermuda) (B , Caa1) 11 /01/13 6.500 346,000
2,200 Intelsat, Ltd., Global Senior Unsecured Notes (Callable 06/15/11 @ $105.62) (Bermuda) (B , Caa1) 06 /15/16 11.250 2,521,750
650 Nordic Telephone Co. Holdings, Rule 144A, Senior Notes (Callable 05/01/11 @ $104.44) (Denmark) ‡§ (B , B2) 05 /01/16 8.875 702,000
7,162,500
Telecom - Wireless (0.2%)
500 Rogers Wireless Communications, Inc., Global Secured Notes (Canada) (BBB- , Baa3) 03 /15/15 7.500 550,000
Telecommunication Equipment (0.2%)
425 Nortel Networks, Ltd., Rule 144A, Company Guaranteed Notes (Canada) ‡# (B- , B3) 07 /15/11 9.606 456,875
Textiles & Apparel (0.1%)
75 IT Holding Finance SA, Rule 144A, Company Guaranteed Notes (Luxembourg) ‡ (CCC+ , Caa1) 11 /15/12 9.875 105,939
Transportation - Excluding Air/Rail (0.7%)
1,725 Ship Finance International, Ltd., Global Company Guaranteed Notes (Callable 12/15/08 @ $104.25) (Bermuda) (B+ , B1) 12 /15/13 8.500 1,785,375
TOTAL FOREIGN CORPORATE BONDS (Cost $29,982,831) 30,376,567
Number of Shares
COMMON STOCKS (1.5%)
Automobile Parts & Equipment (0.0%)
774,557 Cambridge Industries Liquidating Trust *^ 0
Chemicals (0.0%)
4,893 Huntsman Corp. 95,903
Electric - Integrated (0.4%)
23,775 Mirant Corp. * 1,066,784
Food - Wholesale (0.6%)
845 Crunch Equity Holding LLC Class A * 1,351,949

See Accompanying Notes to Financial Statements. 11

SEQ.=17,FOLIO='11',FILE='07-13640-26.ca',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Schedule of Investments (continued)

April 30, 2007 (unaudited)

Number of Shares Value
COMMON STOCKS
Steel Producers/Products (0.1%)
8,208 WCI Steel Acquisition, Inc. *§ $ 229,824
Telecom - Wireless (0.4%)
99,764 Dobson Communications Corp. Class A * 908,850
TOTAL COMMON STOCKS (Cost $2,835,019) 3,653,310
WARRANTS (0.0%)
Media - Diversified (0.0%)
204,293 Viasystems, Inc., strike price $25.31, expires 01/31/10 *^ 2,043
Telecom - Fixed Line (0.0%)
6,750 GT Group Telecom, Inc., Rule 144A, strike price $0.00, expires 02/01/10 ‡*^ 0
3,000 Versatel Telecom International NV, strike price $2.81, expires 05/15/08 * 531
531
TOTAL WARRANTS (Cost $3,772,613) 2,574
SHORT-TERM INVESTMENTS (12.2%)
15,000,000 American Beacon Money Market Fund §§ 15,000,000
15,000,000 Reserve Funds Primary Fund Class 8 §§ 15,000,000
TOTAL SHORT-TERM INVESTMENTS (Cost $30,000,000) 30,000,000
Par (000)
REPURCHASE AGREEMENTS (19.9%)
$ 4,168 Bear Stearns & Co., 3.98%, Dated 04/30/07, due 05/01/07, proceeds at maturity $4,168,193 (fully collateralized by U.S. Treasury Bonds, due 01/15/25, Market Value of collateral is $4,263,297) §§ 4,167,732
6,241 Bear Stearns & Co., 5.11%, Dated 04/30/07, due 05/01/07, proceeds at maturity $6,241,389 (fully collateralized by U.S. Treasury Bonds, due 01/15/25, Market Value of collateral is $6,383,233) §§ 6,240,503
38,584 Bear Stearns & Co., 5.31%, Dated 04/30/07, due 05/01/07, proceeds at maturity $38,589,267 (fully collateralized by U.S. Treasury Bonds, due 01/15/25, Market Value of collateral is $39,453,063) §§ 38,583,573
TOTAL REPURCHASE AGREEMENTS (Cost $48,991,808) 48,991,808
TOTAL INVESTMENTS AT VALUE (172.6%) (Cost $415,083,307) 424,298,204
LIABILITIES IN EXCESS OF OTHER ASSETS (-72.6%) (178,505,400 )
NET ASSETS (100.0%) $ 245,792,804

INVESTMENT ABBREVIATION

NR = Not Rated

† Credit ratings given by the Standard & Poor's Division of The McGraw-Hill Companies, Inc. ("S&P") and Moody's Investors Service, Inc. ("Moody's") are unaudited.

‡ Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration, normally to qualified institutional buyers. At April 30, 2007, these securities amounted to a value of $77,650,298 or 31.6% of net assets.

  • Step Bond - The interest rate stated is as of April 30, 2007 and will reset at a future date.

Ø Bond is currently in default.

  • Non-income producing security.

^ Not readily marketable security; security is valued at fair value as determined in good faith by, or under the direction of, the Board of Trustees.

Variable rate obligations - The interest rate shown is the rate as of April 30, 2007.

§ Security or portion thereof is out on loan.

§§ Represents security purchased with cash collateral received for securities on loan.

See Accompanying Notes to Financial Statements. 12

SEQ.=18,FOLIO='12',FILE='07-13640-26.ca',USER='whazuka',CD=''

Document name: 07-13640-26.da

Credit Suisse High Yield Bond Fund

Statement of Assets and Liabilities

April 30, 2007 (unaudited)

Assets — Investments in securities at value, including collateral for securities on loan of $78,991,808 (Cost $415,083,307) (Note 2) $ 424,298,204 1
Cash 6,061,463
Foreign currency at value (cost $1,078,177) 1,097,242
Interest receivable 7,837,298
Receivable for investments sold 1,789,943
Unrealized appreciation on forward currency contracts (Note 2) 58,316
Prepaid expenses and other assets 36,446
Total Assets 441,178,912
Liabilities
Investment advisory fees (Note 3) 226,333
Administrative fees (Note 3) 10,473
Loan payable (Note 4) 111,000,000
Payable upon return of securities loaned (Note 2) 78,991,808
Payable for investments purchased 4,411,597
Interest payable (Note 4) 531,724
Trustees' fees (Note 3) 41,818
Other accrued expenses payable 172,355
Total Liabilities 195,386,108
Net Assets
Applicable to 55,662,477 shares outstanding $ 245,792,804
Net Assets Consist of
Capital stock, $0.001 par value (Note 6) $ 55,662
Paid-in capital (Note 6) 473,951,839
Distributions in excess of net investment income (573,508 )
Accumulated net realized loss on investments and foreign currrency transactions (236,935,095 )
Net unrealized appreciation from investments and foreign currency translations 9,293,906
Net Assets $ 245,792,804
Net Asset Value Per Share ($245,792,804 ÷ 55,662,477) $ 4.42
Market Price Per Share $ 4.52

1 Including $70,029,910 of securities on loan.

See Accompanying Notes to Financial Statements. 13

SEQ.=19,FOLIO='13',FILE='07-13640-26.da',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Statement of Operations

For the Six Months Ended April 30, 2007 (unaudited)

Investment Income (Note 2) — Interest $ 15,930,978
Dividends 489
Securities lending 168,130
Total investment income 16,099,597
Expenses
Investment advisory fees (Note 3) 1,439,683
Administrative fees (Note 3) 56,066
Interest expense (Note 4) 3,199,938
Printing fees (Note 3) 71,474
Trustees' fees (Note 3) 47,229
Legal fees 23,458
Audit and tax fees 22,215
Custodian fees 17,733
Transfer agent fees 12,502
Insurance expense 10,760
Stock exchange listing fees 7,698
Miscellaneous expense 3,544
Total expenses 4,912,300
Net investment income 11,187,297
Net Realized and Unrealized Gain (Loss) from Investments and Foreign Currency Related Items
Net realized gain from investments 2,781,329
Net realized loss on foreign currency transactions (69,986 )
Net change in unrealized appreciation (depreciation) from investments 10,049,009
Net change in unrealized appreciation (depreciation) from foreign currency translations 91,280
Net realized and unrealized gain from investments and foreign currency related items 12,851,632
Net increase in net assets resulting from operations $ 24,038,929

See Accompanying Notes to Financial Statements. 14

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Credit Suisse High Yield Bond Fund

Statements of Changes in Net Assets

For the Six Months Ended April 30, 2007 (unaudited) For the Year Ended October 31, 2006
From Operations
Net investment income $ 11,187,297 $ 21,993,076
Net realized gain (loss) on investments and foreign currency transactions 2,711,343 (4,392,349 )
Net change in unrealized appreciation (depreciation) on investments and foreign currency translations 10,140,289 10,856,680
Net increase in net assets resulting from operations 24,038,929 28,457,407
From Dividends
Dividends from net investment income (11,104,072 ) (22,577,859 )
Return of capital — (2,225,450 )
Net decrease in net assets resulting from dividends (11,104,072 ) (24,803,309 )
From Capital Share Transactions (Note 6)
Reinvestment of dividends 1,093,007 2,350,913
Net increase in net assets from capital share transactions 1,093,007 2,350,913
Net increase in net assets 14,027,864 6,005,011
Net Assets
Beginning of period 231,764,940 225,759,929
End of period $ 245,792,804 $ 231,764,940
Distributions in excess of net investment income $ (573,508 ) $ (656,733 )

See Accompanying Notes to Financial Statements. 15

SEQ.=21,FOLIO='15',FILE='07-13640-26.da',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Statement of Cash Flows

For the Six Months Ended April 30, 2007 (unaudited)

Cash flows from operating activities
Interest and securities lending income received $ 14,930,624
Operating expenses paid (4,944,177 )
Purchases of long-term securities (111,893,561 )
Proceeds from sales of long-term securities 111,757,455
Net cash provided by operating activities $ 9,850,341
Cash flows from financing activities
Proceeds from borrowings 111,000,000
Repayment of borrowings (104,800,062 )
Cash dividends paid (10,011,065 )
Net cash used in financing activities (3,811,127 )
Net increase in cash 6,039,214
Cash — beginning of period 1,119,491
Cash — end of period $ 7,158,705
RECONCILIATION OF NET INCREASE IN NET ASSETS FROM OPERATIONS TO NET CASH PROVIDED BY OPERATING ACTIVITIES
Net increase in net assets resulting from operations $ 24,038,929
Adjustments to reconcile net increase in net assets from operations to net cash provided by operating activities
Decrease in interest receivable $ (163,268 )
Increase in accrued expenses 22,868
Decrease in interest payable (5,851 )
Increase in prepaid expenses and other assets (7,608 )
Decrease in advisory fees payable (41,286 )
Net amortization of discount on investments (1,005,705 )
Purchases of long-term securities (111,893,561 )
Proceeds from sales of long-term securities 111,757,455
Net change in unrealized appreciation on investments and foreign currencies (10,140,289 )
Net realized gain on investments and foreign currencies (2,711,343 )
Total adjustments (14,188,588 )
Net cash provided by operating activities $ 9,850,341
Non-cash activity:
Dividend reinvestments $ 1,093,007

See Accompanying Notes to Financial Statements. 16

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17

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Credit Suisse High Yield Bond Fund

Financial Highlights

For the Six Months Ended
4/30/07
Per share operating performance (unaudited) 10/31/06 10/31/05 10/31/04 10/31/03 10/31/02 10/31/01 10/31/00 10/31/99
Net asset value, beginning of period $ 4.18 $ 4.12 $ 4.53 $ 4.34 $ 3.53 $ 4.49 $ 6.16 $ 7.98 $ 8.36
INVESTMENT ACTIVITIES
Net investment income 0.20 0.40 0.47 0.53 0.55 0.65 2 0.84 0.96 2 0.98
Net realized and unrealized gain (loss) on investments and foreign currency transactions 0.24 0.11 (0.35 ) 0.24 0.87 (0.80 ) (1.63 ) (1.80 ) (0.38 )
Total from investment activities 0.44 0.51 0.12 0.77 1.42 (0.15 ) (0.79 ) (0.84 ) 0.60
LESS DIVIDENDS
Net investment income (0.20 ) (0.42 ) (0.51 ) (0.58 ) (0.61 ) (0.71 ) (0.86 ) (0.98 ) (0.98 )
Return of capital — (0.03 ) (0.02 ) — — (0.10 ) (0.02 ) — —
Total dividends (0.20 ) (0.45 ) (0.53 ) (0.58 ) (0.61 ) (0.81 ) (0.88 ) (0.98 ) (0.98 )
Offering costs charged to paid-in-capital — — — — — — — — 0.00 3
Net asset value, end of period $ 4.42 $ 4.18 $ 4.12 $ 4.53 $ 4.34 $ 3.53 $ 4.49 $ 6.16 $ 7.98
Per share market value, end of period $ 4.52 $ 4.50 $ 4.77 $ 5.24 $ 4.76 $ 4.10 $ 5.07 $ 6.19 $ 8.06
Total return (market value) 4 5.18 % 5.23 % 2.71 % 25.49 % 35.07 % (2.15 )% (3.21 )% (12.15 )% (5.71 )%
RATIOS AND SUPPLEMENTAL DATA
Net assets, end of period (000s omitted) $ 245,793 $ 231,765 $ 255,760 $ 244,523 $ 229,255 $ 180,889 $ 219,440 $ 286,838 $ 358,679
Average debt per share $ 1.99 $ 1.96 $ 2.05 $ 2.05 $ 1.81 $ 1.99 $ 2.49 $ 3.47 $ 3.18
Ratio of expenses to average net assets 4.13 % 5 4.20 % 3.27 % 2.51 % 2.57 % 2.91 % 4.29 % 4.81 % 3.62 %
Ratio of expenses to average net assets excluding interest expenses 1.44 % 5 1.65 % 1.68 % 1.70 % 1.73 % 1.78 % 1.73 % 1.61 % 1.53 %
Ratio of net investment income to average net assets 9.40 % 5 9.67 % 10.72 % 11.99 % 13.85 % 15.17 % 15.22 % 12.90 % 11.24 %
Portfolio turnover rate 27.04 % 61.91 % 31.05 % 12.10 % 15.96 % 33.22 % 46.11 % 31.29 % 60.23 %

1 The Fund commenced operations on July 28, 1998.

2 Based on average shares outstanding.

3 Amount rounds to less than $0.01.

4 Total return is based on the change in market price of a share during the period and assumes reinvestment of dividends and distributions at actual prices pursuant to the Fund's Dividend Reinvestment Plan. Total return based on market value, which can be significantly greater or lesser than the net asset value, may result in substantially different returns. Total returns for periods less than one year are not annualized.

5 Annualized.

See Accompanying Notes to Financial Statements. 18

SEQ.=24,FOLIO='18',FILE='07-13640-26.da',USER='whazuka',CD=''

Per share operating performance Period Ended — 10/31/98 1
Net asset value, beginning of period $ 10.00
INVESTMENT ACTIVITIES
Net investment income 0.24
Net realized and unrealized gain (loss) on investments and foreign currency transactions (1.62 )
Total from investment activities (1.38 )
LESS DIVIDENDS
Net investment income (0.24 )
Return of capital —
Total dividends (0.24 )
Offering costs charged to paid-in-capital (0.02 )
Net asset value, end of period $ 8.36
Per share market value, end of period $ 9.56
Total return (market value) 4 (1.74 )%
RATIOS AND SUPPLEMENTAL DATA
Net assets, end of period (000s omitted) $ 359,956
Average debt per share $ 1.02
Ratio of expenses to average net assets 1.81 % 5
Ratio of expenses to average net assets excluding interest expenses 1.16 % 5
Ratio of net investment income to average net assets 10.48 % 5
Portfolio turnover rate 15.26 %

See Accompanying Notes to Financial Statements. 19

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Document name: 07-13640-26.ea

Credit Suisse High Yield Bond Fund

Notes to Financial Statements

April 30, 2007 (unaudited)

Note 1. Organization

Credit Suisse High Yield Bond Fund (the "Fund") is a business trust organized under the laws of the State of Delaware on April 30, 1998. The Fund is registered with the Securities and Exchange Commission under the Investment Company Act of 1940, as amended ("Investment Company Act"), as a non-diversified, closed-end management investment company. The Fund's primary objective is to seek high current income.

The following is a summary of significant accounting policies consistently followed by the Fund in its operations and in connection with the preparation of its financial statements.

Note 2. Significant Accounting Policies

A) SECURITY VALUATION — The net asset value of the Fund is determined daily as of the close of regular trading on the New York Stock Exchange, Inc. (the "Exchange") on each day the Exchange is open for business. Debt securities with a remaining maturity greater than 60 days are valued in accordance with the price supplied by a pricing service, which may use a matrix, formula or other objective method that takes into consideration market indices, yield curves and other specific adjustments. Debt obligations that will mature in 60 days or less are valued on the basis of amortized cost, which approximates market value, unless it is determined that using this method would not represent fair value. Equity investments are valued at market value, which is generally determined using the closing price on the exchange or market on which the security is primarily traded at the time of valuation ("Valuation Time"). If no sales are reported, equity investments are generally valued at the most recent bid quotation as of the Valuation Time or at the lowest asked quotation in the case of a short sale of securities. Investments in mutual funds are valued at the mutual fund's closing net asset value per share on the day of valuation. Securities and other assets for which market quotations are not readily available, or whose values have been materially affected by events occurring before the Fund's Valuation Time but after the close of the securities' primary markets, are valued at fair value as determined in good faith by, or under direction of, the Board of Trustees under procedures established by the Board of Trustees. At April 30, 2007, the Fund held 0.08% of its net assets in securities valued at fair value as determined in good faith under procedures established by the Board of Trustees with an aggregate cost of $4,364,635 and fair value of $204,669. The Fund's estimate of fair value assumes a willing buyer and a willing seller neither acting under the compulsion to buy or sell. Although these securities may be resold in privately negotiated transactions, the prices realized on such sales could differ from the prices originally paid by the Fund or the current carrying values, and the difference could be material.

B) FOREIGN CURRENCY TRANSACTIONS — The books and records of the Fund are maintained in U.S. dollars. Transactions denominated in foreign currencies are recorded at the current prevailing exchange rates. All assets and liabilities denominated in foreign currencies are translated into U.S. dollar amounts at the current exchange rate at the end of the period. Translation gains or losses resulting from changes in the exchange rate during the reporting period and realized gains and losses on the settlement of foreign currency transactions are reported in the results of operations for the current period. The Fund does not isolate that portion of realized gains and losses on investments in equity securities which is due to changes in the foreign exchange rate from that which is due to changes in market prices of equity securities. The Fund isolates that portion of realized gains and losses on investments in debt securities which is due to changes in the foreign exchange rate from that which is due to changes in market prices of debt securities.

C) SECURITY TRANSACTIONS AND INVESTMENT INCOME — Security transactions are accounted for on a trade date basis. Interest income is recorded on the accrual basis. Dividends are recorded on the ex-dividend date. The cost of investments sold is determined by use of the specific identification method for both financial reporting and income tax purposes.

20

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Credit Suisse High Yield Bond Fund

Notes to Financial Statements (continued)

April 30, 2007 (unaudited)

D) DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS — The Fund declares and pays dividends on a monthly basis. Distributions of net realized capital gains, if any, are declared and paid at least annually. However to the extent that a net realized capital gain can be reduced by a capital loss carryforward, such gain will not be distributed. Income dividends and capital gain distributions are determined in accordance with income tax regulations, which may differ from accounting principles generally accepted in the United States of America ("GAAP"). These differences are primarily due to differing treatments of income and gains on various investment securities held by the Fund, timing differences and differing characterization of distributions made by the Fund.

The Fund's dividend policy is to distribute substantially all of its net investment income to its shareholders on a monthly basis. However, in order to provide shareholders with a more consistent yield to the current trading price of shares of beneficial interest of the Fund, the Fund may at times pay out less than the entire amount of net investment income earned in any particular month and may at times in any month pay out such accumulated but undistributed income in addition to net investment income earned in that month. As a result, the dividends paid by the Fund for any particular month may be more or less than the amount of net investment income earned by the Fund during such month.

E) FEDERAL INCOME TAXES — No provision is made for federal taxes as it is the Fund's intention to continue to qualify for and elect the tax treatment applicable to regulated investment companies under the Internal Revenue Code of 1986, as amended, and to make the requisite distributions to its shareholders which will be sufficient to relieve it from federal income and excise taxes.

F) CASH FLOW INFORMATION — Cash, as used in the Statement of Cash Flows, is the amount reported in the Statement of Assets and Liabilities. The Fund invests in securities and distributes dividends from net investment income and net realized gains, if any (which are either paid in cash or reinvested at the discretion of shareholders). These activities are reported in the Statement of Changes in Net Assets. Information on cash payments is presented in the Statement of Cash Flows. Accounting practices that do not affect reporting activities on a cash basis include unrealized gain or loss on investment securities and accretion or amortization income recognized on investment securities.

G) USE OF ESTIMATES — The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.

H) SECURITIES LENDING — Loans of securities are required at all times to be secured by collateral at least equal to 100% of the market value of domestic securities on loan (including any accrued interest thereon). Cash collateral received by the Fund in connection with securities lending activity is reinvested into either fully collateralized repurchase agreements with Bear, Stearns & Co., Inc. (an affiliate of the custodian, Custodial Trust Company, and the borrower, Bear, Stearns Securities Corp. (the "Borrower")), registered money market mutual funds (subject to regulatory limitations) or some combination thereof. In the event of default or bankruptcy by the Borrower or its affiliates to the agreement, realization and/or retention of the Fund's collateral may be subject to legal proceedings.

The Fund's securities lending arrangement provides that the Fund and the Borrower will share the net income earned from the securities lending activities. During the six months ended April 30, 2007, total earnings from the Fund's investment in cash collateral received in connection with the securities lending arrangement was $1,673,447 of which $1,505,317 was rebated to the Borrower. The Fund retained $168,130 in income from the cash collateral

21

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Credit Suisse High Yield Bond Fund

Notes to Financial Statements (continued)

April 30, 2007 (unaudited)

investment. The Fund is entitled to a certain minimum amount of income from its securities lending activities. Securities lending income is accrued as earned.

I) FORWARD FOREIGN CURRENCY CONTRACTS — The Fund may enter into forward foreign currency contracts for the purchase or sale of a specific foreign currency at a fixed price on a future date. Risks may arise upon entering into these contracts from the potential inability of counterparties to meet the terms of their contracts and from unanticipated movements in the value of a foreign currency. The Fund will enter into forward foreign currency contracts primarily for hedging purposes. Forward foreign currency contracts are adjusted by the daily exchange rate of the underlying currency and any gains or losses are recorded for financial statement purposes as unrealized until the contract settlement date or an offsetting position is entered into. At April 30, 2007, the Fund had the following open forward foreign currency contracts:

Forward Foreign Currency Contract Expiration Date Foreign Currency To Be Bought Contract Amount Contract Value Unrealized Gain
British Pound 6 /28/2007 £ 530,000 $ 1,041,779 $ 1,059,639 $ 17,860
European Economic Unit 6 /28/2007 1,406,000 1,884,532 1,924,988 40,456
$ 2,926,311 $ 2,984,627 $ 58,316

Note 3. Transactions with Affiliates and Related Parties

The Fund has entered into an Investment Advisory Agreement (the "Advisory Agreement") with Credit Suisse Asset Management, LLC ("Credit Suisse"). The Advisory Agreement provides for a fee at the annual rate of 1.00% of the first $250 million of the average weekly value of the Fund's total assets minus the sum of liabilities (other than aggregate indebtedness constituting leverage) and 0.75% of the average weekly value of the Fund's total assets minus the sum of liabilities (other than aggregate indebtedness constituting leverage) greater than $250 million. Effective January 1, 2007, Credit Suisse agreed to waive 0.15% of the fees payable under the Advisory Agreement. For the six months ended April 30, 2007, investment advisory fees earned were $1,439,683.

State Street Bank and Trust Company ("SSB") serves as Accounting and Administrative Agent for the Fund. For its administrative services, SSB receives a fee, exclusive of out-of-pocket expenses, calculated in total for all the Credit Suisse funds/portfolios co-administered by SSB and allocated based upon relative average net assets of each fund/portfolio, subject to an annual minimum fee. For the six months ended April 30, 2007, administrative services fees earned by SSB (including out-of-pocket expenses) were $56,066.

The Independent Trustees receive fifty percent (50%) of their annual retainer in the form of shares purchased by the Fund's transfer agent in the open market.

Merrill Corporation ("Merrill"), an affiliate of Credit Suisse, has been engaged by the Fund to provide certain financial printing and fulfillment services. For the six months ended April 30, 2007, Merrill was paid $27,087 for its services to the Fund.

Note 4. Line of Credit

The Fund has a $150 million line of credit provided by Citibank North America, Inc., under a Revolving Credit and Security Agreement (the "Agreement") dated April 12, 2002, as amended from time to time, primarily to leverage its investment portfolio. Under this Agreement, the Fund may borrow the lesser of $150 million or 33 1 / 3 % of its gross assets. Interest is payable at the Bank's Base Rate plus a commission of 0.05%. The Fund pays a program fee of 0.20% of the average daily amount leveraged, an administration fee of 0.02% of the average daily amount leveraged and a liquidity fee of 0.15% of the maximum borrowing limit (currently $150 million). The Agreement

22

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Credit Suisse High Yield Bond Fund

Notes to Financial Statements (continued)

April 30, 2007 (unaudited)

requires, among other provisions, that the percentage obtained by dividing total indebtedness for money borrowed by total assets of the Fund shall not exceed 33 1 / 3 %. At April 30, 2007 the Fund had loans outstanding under the Agreement of $111,000,000. During the six months ended April 30, 2007, the Fund had borrowings under the Agreement as follows:

Average Daily Loan Balance Maximum Daily Loan Outstanding
$ 110,668,508 5.328 % $ 111,000,000

The use of leverage by the Fund creates an opportunity for increased net income and capital appreciation for the Fund, but, at the same time, creates special risks, and there can be no assurance that a leveraging strategy will be successful during any period in which it is employed. The Fund intends to utilize leverage to provide the Shareholders with a potentially higher return. Leverage creates risks for Shareholders including the likelihood of greater volatility of net asset value and market price of the Fund's shares and the risk that fluctuations in interest rates on borrowings and short-term debt may affect the return to Shareholders. To the extent the income or capital appreciation derived from securities purchased with funds received from leverage exceeds the cost of leverage, the Fund's return will be greater than if leverage had not been used. Conversely, if the income or capital appreciation from the securities purchased with such funds is not sufficient to cover the cost of leverage, the return to the Fund will be less than if leverage had not been used, and therefore the amount available for distribution to Shareholders as dividends and other distributions will be reduced. In the latter case, Credit Suisse in its best judgment nevertheless may determine to maintain the Fund's leveraged position if it deems such action to be appropriate under the circumstances. During periods in which the Fund is utilizing leverage, the Management Fee will be higher than if the Fund did not utilize a leveraged capital structure because the fee is calculated as a percentage of the Managed Assets including those purchased with leverage. Certain types of borrowings by the Fund may result in the Fund's being subject to covenants in credit agreements, including those relating to asset coverage and portfolio composition requirements. The Fund's lenders may establish guidelines for borrowing which may impose asset coverage or portfolio composition requirements that are more stringent than those imposed by the Investment Company Act. It is not anticipated that these covenants or guidelines will impede Credit Suisse in managing the Fund's portfolio in accordance with the Fund's investment objectives and policies.

Note 5. Purchases and Sales of Securities

For the six months ended April 30, 2007, purchases and sales of investment securities (excluding short-term investments) were $92,162,639 and $91,746,490, respectively.

At April 30, 2007, the identified cost for federal income tax purposes, as well as the gross unrealized appreciation from investments for those securities having an excess of value over cost, gross unrealized depreciation from investments for those securities having an excess of cost over value and the net unrealized appreciation from investments were $415,083,307, $16,270,854, $(7,055,957) and $9,214,897, respectively.

Note 6. Fund Shares

The Fund has one class of shares of beneficial interest, par value $0.001 per share; an unlimited number of shares are authorized. Transactions in shares of beneficial interest were as follows:

Shares issued through reinvestment of dividends 252,475 570,527

23

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Credit Suisse High Yield Bond Fund

Notes to Financial Statements (continued)

April 30, 2007 (unaudited)

Note 7. Concentration of Risk

The Fund invests in securities offering high current income, which generally will be in the lower rating categories of recognized ratings agencies (commonly known as "junk bonds").

These securities generally involve more credit risk than securities in the higher rating categories. In addition, the trading market for high yield securities may be relatively less liquid than the market for higher-rated securities. The Fund's use of leverage also increases exposure to capital risk.

Note 8. Contingencies

In the normal course of business, the Fund may provide general indemnifications pursuant to certain contracts and organizational documents. The Fund's maximum exposure under these arrangements is dependent on future claims that may be made against the Fund and, therefore, cannot be estimated; however, based on experience, the risk of loss from such claims is considered remote.

Note 9. Recent Accounting Pronouncements

During June 2006, the Financial Accounting Standards Board ("FASB") issued FASB Interpretation 48 ("FIN 48" or the "Interpretation"), Accounting for Uncertainty in Income Taxes — an interpretation of FASB statement 109 . FIN 48 supplements FASB Statement 109, Accounting for Income Taxes , by defining the confidence level that a tax position must meet in order to be recognized in the financial statements. FIN 48 prescribes a comprehensive model for how a fund should recognize, measure, present, and disclose in its financial statements uncertain tax positions that the fund has taken or expects to take on a tax return. FIN 48 requires that the tax effects of a position be recognized only if it is "more likely than not" to be sustained based solely on its technical merits. Management must be able to conclude that the tax law, regulations, case law, and other objective information regarding the technical merits sufficiently support the position's sustainability with a likelihood of more than 50 percent. FIN 48 is effective for fiscal periods beginning after December 15, 2006. At adoption, the financial statements must be adjusted to reflect only those tax positions that are more likely than not to be sustained as of the adoption date.

On September 20, 2006, the FASB released Statement of Financial Accounting Standards No. 157 "Fair Value Measurements" ("FAS 157"). FAS 157 establishes an authoritative definition of fair value, sets out a framework for measuring fair value, and requires additional disclosures about fair-value measurements. The application of FAS 157 is required for fiscal years, beginning after November 15, 2007 and interim periods within those fiscal years.

At this time, management is evaluating the implications of FIN 48 and FAS 157 and their impact on the financial statements has not yet been determined.

24

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Credit Suisse High Yield Bond Fund

Results of Annual Meeting of Shareholders (unaudited)

On February 15, 2007, the Annual Meeting of Shareholders of the Credit Suisse High Yield Bond Fund (the "Fund") was held and the following matter was voted upon:

(1) To elect three trustees to the Board of Trustees of the Fund:

Name of Trustee — Lawrence J. Fox 50,983,533 781,343
Lawrence D. Haber 51,007,323 757,553
Terry Bovarnick 50,986,367 778,509

In addition to the trustees elected at the meeting, Enrique R. Arzac, James Cattano and Steven Rappaport continue to serve as Trustees of the Fund.

25

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Credit Suisse High Yield Bond Fund

Board Consideration and Re-Approval of Investment Advisory Agreement (unaudited)

Section 15(c) of the Investment Company Act of 1940 (the "1940 Act") contemplates that the Board of Trustees (the "Board") of Credit Suisse High Yield Bond Fund (the "Fund"), including a majority of the Trustees who have no direct or indirect interest in the investment advisory agreement and are not "interested persons" of the Fund, as defined in the 1940 Act (the "Independent Trustees"), are required to annually review and re-approve the terms of the Fund's existing investment advisory agreement and approve any newly proposed terms therein. In this regard, the Board reviewed and re-approved, during the six months covered by this report an investment advisory agreement (the "Advisory Agreement") with Credit Suisse Asset Management, LLC ("Credit Suisse") for the Fund.

More specifically, at a meeting held on November 16, 2006, the Board, including the Independent Trustees advised by their independent legal counsel, considered the factors and reached the conclusions described below relating to the selection of Credit Suisse and the re-approval of the Advisory Agreement.

Nature, Extent and Quality of Services

The Board received and considered various data and information regarding the nature, extent and quality of services provided to the Fund by Credit Suisse under the Advisory Agreement. The most recent investment adviser registration form ("Form ADV") for Credit Suisse was provided to the Board, as were responses of Credit Suisse to requests submitted by the Independent Trustees' independent legal counsel on behalf of such Trustees. The Board reviewed and analyzed these materials, which included, among other things, information about the background and experience of the senior management and the expertise of investment personnel of Credit Suisse. In this regard, the Board specifically reviewed the qualifications, background and responsibilities of the individuals primarily responsible for day-to-day portfolio management services for the Fund. The Board also considered the organizational realignment of Credit Suisse's asset management business and the potential impact of such changes on the Fund.

In addition, the Board considered the investment and legal compliance programs of the Fund and Credit Suisse, including their compliance policies and procedures and reports of the Fund's Chief Compliance Officer.

The Board evaluated the ability of Credit Suisse, based on its resources, reputation and other attributes, to attract and retain qualified investment professionals, including research, advisory, and supervisory personnel. In this connection, the Board considered information regarding Credit Suisse's compensation arrangements for its personnel involved in the management of the Fund including incentive and retirement plans.

Based on the above factors, together with those referenced below, the Board concluded that it was satisfied with the nature, extent and quality of the investment advisory services provided to the Fund by Credit Suisse.

Fund Performance and Expenses

The Board considered performance results of the Fund over a number of years, as well as for recent periods. It also considered these results in comparison to the group of funds consisting of all closed-end leveraged high current yield funds (the "Performance Universe"), as well as for the Fund's benchmark index, the Merrill Lynch U.S. High Yield Master II Constrained Index. Lipper Inc. ("Lipper"), an independent provider of investment company data, determined the Performance Universe for the Fund and provided the comparative data. The Board was provided with a description of the methodology used by Lipper to select the closed-end funds in the Fund's Performance Universe. The Board noted that the Fund had underperformed the median performance of the funds in its Performance Universe in some periods, including the most recent period. However, the Board noted that the Fund outperformed the median performance of its Performance Universe in other periods.

26

SEQ.=32,FOLIO='26',FILE='07-13640-26.ea',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Board Consideration and Re-Approval of Investment Advisory Agreement (unaudited) (continued)

The Board received and considered statistical information regarding the Fund's total expense ratio and its various components, including management fees, non-management fees and actual total expenses of the Fund (including and excluding investment-related expenses and taxes). It also considered comparisons of these fees to the expense information for the group of funds that was determined to be the most similar to the Fund (the "Peer Group") and to the median expenses of a broader universe of relevant funds (the "Expense Universe"), which comparative data was provided by Lipper. The Board was provided with a description of the methodology used by Lipper to select the closed-end funds in the Fund's Peer Group and Expense Universe.

The Board noted that the total expense ratio of the Fund is not appreciably higher than the median total expense ratio of the Fund's Peer Group including investment- related expenses and taxes. However, the Board noted that the Fund's actual non-management expenses were below the median of its Peer Group and Expense Universe.

Based on the above-referenced considerations and other factors, the Board concluded that the overall performance and expense results supported the re-approval of the Advisory Agreement for the Fund.

Investment Advisory Fee Rate

The Board reviewed and considered the proposed contractual investment advisory fee rate (the "Advisory Agreement Rate") payable by the Fund to Credit Suisse for investment advisory services.

Additionally, the Board received and considered information comparing the Advisory Agreement Rate (both on a stand-alone basis and on a combined basis with the Fund's administration fee rate) with those of the other funds in its Peer Group and Expense Universe. The Board noted that the Fund's administrator is not affiliated with Credit Suisse and that the Fund's administration agreement and corresponding fees were negotiated at arm's length. In this regard, the Board observed that the Advisory Agreement Rate was appreciably higher than the median rate of funds in its Peer Group. The Board asked that Credit Suisse review the Advisory Agreement Rate and consider lowering the rate in the future and Credit Suisse agreed to do so. As described in Note 3, above, in response to this request, Credit Suisse agreed effective January 1, 2007, to waive 0.15% of the fee payable under the Advisory Agreement. The Board also took note of the limited number of peer closed-end leveraged high current yield funds and the consequent small size of the Fund's Peer Group and Performance and Expense Universes.

Profitability

The Board received and considered an estimated profitability analysis of Credit Suisse based on the Advisory Agreement Rate, as well as on other relationships between the Fund and Credit Suisse and its affiliates. The Board concluded that, in light of the costs of providing investment management and other services to the Fund, the profits and other ancillary benefits that Credit Suisse and its affiliates received with regard to providing these services to the Fund were not unreasonable.

Economies of Scale

The Board received and considered information regarding whether there have been economies of scale with respect to the management of the Fund, whether the Fund has appropriately benefited from any economies of scale, and whether there is potential for realization of any further economies of scale. The Board concluded that any actual or potential economies of scale are shared fairly with Fund shareholders, including most particularly through Advisory Agreement Rate breakpoints.

The Board observed that the Advisory Agreement did not initially offer breakpoints. However, the Board noted that as part of its past review and re-approval of the Advisory Agreements it had approved the inclusion of breakpoints in the Advisory Agreement Rate and, as a result, there would be potential for Fund shareholders sharing in potential economies of scale.

27

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Credit Suisse High Yield Bond Fund

Board Consideration and Re-Approval of Investment Advisory Agreement (unaudited) (continued)

Information about Services to Other Clients

The Board received and considered information about the nature and extent of services and fee rates offered by Credit Suisse to other clients, including other registered investment companies, separate accounts and institutional investors and investment companies to which Credit Suisse serves as an unaffiliated sub-adviser. The Board concluded that the Advisory Agreement Rate was reasonable given the nature and extent of services provided and comparison with fee rates offered to other clients. In this regard, where rates offered to other clients are appreciably lower, the Board concluded, based on information provided by Credit Suisse, that the costs associated with managing and operating a registered, closed-end, leveraged high yield bond fund, compared with other clients and other funds, provided a justification for the higher fee rates charged to the Fund.

Other Benefits to Credit Suisse

The Board received and considered information regarding potential "fall-out" or ancillary benefits received by Credit Suisse and its affiliates as a result of their relationship with the Fund. Such benefits could include, among others, benefits directly attributable to the relationship of Credit Suisse with the Fund and benefits potentially derived from an increase in the business of Credit Suisse as a result of their relationship with the Fund (such as the ability to market to shareholders other financial products offered by Credit Suisse and its affiliates).

Other Factors and Broader Review

As discussed above, the Board reviews detailed materials received from Credit Suisse annually as part of the re-approval process under Section 15(c) of the 1940 Act. The Board also reviews and assesses the quality of the services that the Fund receives throughout the year. In this regard, the Board reviews reports of Credit Suisse at least in each of its quarterly meetings, which include, among other things, a detailed portfolio review, and detailed fund performance reports, and confers with the chief investment officer of the Fund at various times throughout the year.

After considering the above-described factors and based on its deliberations and its evaluation of the information provided to it, the Board concluded that re-approval of the Advisory Agreement for the Fund was in the best interest of the Fund and its shareholders. Accordingly, the Board unanimously re-approved the Advisory Agreement.

28

SEQ.=34,FOLIO='28',FILE='07-13640-26.ea',USER='whazuka',CD=''

Credit Suisse High Yield Bond Fund

Privacy Policy Notice (unaudited)

Important Privacy Choices for Consumers

We are committed to maintaining the privacy of every current and prospective customer. We recognize that you entrust important personal information to us, and we wish to assure you that we take seriously our responsibilities in protecting and safeguarding this information.

In connection with making available investment products and services to current and potential customers, we may obtain nonpublic personal information about you. This information may include your name, address, e-mail address, social security number, account number, assets, income, financial situation, transaction history and other personal information.

We may collect nonpublic information about you from the following sources:

• Information we receive on applications, forms, questionnaires, web sites, agreements or in the course of establishing or maintaining a customer relationship; and

• Information about your transactions with us, our affiliates, or others.

We do not disclose any nonpublic personal information about our customers or former customers to anyone, except with your consent or as otherwise permitted by law.

We may also disclose this information to firms that perform services on our behalf. These agents and service providers are required to treat the information confidentially and use it only for the purpose for which it is provided.

We restrict access to nonpublic personal information about you to those employees, agents or other parties who need to know that information to provide products or services to you or in connection with your investments with or through us. We maintain physical, electronic and procedural safeguards that comply with federal standards to guard your nonpublic personal information.

Note: This Notice is provided to clients and prospective clients of Credit Suisse Asset Management, LLC, ("Credit Suisse), and Credit Suisse Asset Management Securities, Inc., and shareholders and prospective shareholders in Credit-Suisse-sponsored and-advised investment companies, including Credit Suisse Funds, and other consumers and customers, as applicable. This Notice is not intended to be incorporated in any offering materials but is merely a statement of our current Privacy Policy, and may be amended from time to time upon notice to you. This Notice is dated as of May 17, 2007.

29

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Credit Suisse High Yield Bond Fund

Proxy Voting and Portfolio Holdings Information (unaudited)

Information regarding how the the Fund voted proxies related to its portfolio securities during the 12 month period ended June 30 of each year, as well as the policies and procedures that the Fund uses to determine how to vote proxies relating to its portfolio securities are available:

• By calling 1-800-293-1232

• On the Fund's website, www.credit-suisse.com/us

• On the website of the Securities and Exchange Commission, www.sec.gov.

The Fund files a complete schedule of its portfolio holdings for the first and third quarters of its fiscal year with the SEC on Form N-Q. The Fund's Forms N-Q are available on the SEC's website at www.sec.gov and may be reviewed and copied at the SEC's Public Reference Room in Washington, DC. Information on the operation of the SEC's Public Reference Room may be obtained by calling 1-202-551-8090.

30

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Credit Suisse High Yield Bond Fund

Other Funds Managed by Credit Suisse Asset Management, LLC

CLOSED-END FUNDS

Single Country The Chile Fund, Inc. (AMEX: CH) The First Israel Fund, Inc. (AMEX: ISL) The Indonesia Fund, Inc. (AMEX: IF)

Multiple Country The Emerging Markets Telecommunications Fund, Inc. (AMEX: ETF) The Latin America Equity Fund, Inc. (AMEX: LAQ)

Fixed Income Credit Suisse Asset Management Income Fund, Inc. (AMEX: CIK) Credit Suisse High Yield Bond Fund (AMEX: DHY)

Literature Request — Call today for free descriptive information on the closed-end funds listed below at 1-800-293-1232 or visit our website on the Internet: www.credit-suisse.com/us.

OPEN-END FUNDS

Credit Suisse Absolute Return Fund

Credit Suisse Cash Reserve Fund

Credit Suisse Commodity Return Strategy Fund

Credit Suisse Emerging Markets Fund

Credit Suisse Global Fixed Income Fund

Credit Suisse Global Small Cap Fund

Credit Suisse High Income Fund

Credit Suisse International Focus Fund

Credit Suisse Japan Equity Fund

Credit Suisse Large Cap Blend Fund

Credit Suisse Large Cap Growth Fund

Credit Suisse Large Cap Value Fund

Credit Suisse Mid-Cap Core Fund

Credit Suisse Short Duration Bond Fund

Credit Suisse Small Cap Core Fund

Fund shares are not deposits or other obligations of Credit Suisse Asset Management, LLC or any affiliate, are not FDIC-insured and are not guaranteed by Credit Suisse Asset Management, LLC or any affiliate. Fund investments are subject to investment risks, including loss of your investment. There are special risk considerations associated with international, global, emerging-markets, small-company, private equity, high-yield debt, single-industry, single-country and other special, aggressive or concentrated investment strategies. Past performance cannot guarantee future results.

More complete information about a fund, including charges and expenses, is provided in the Prospectus, which should be read carefully before investing. You may obtain copies by calling Credit Suisse Funds at 800-927-2874. Performance information current to the most recent month-end is available at www.credit-suisse.com/us.

Credit Suisse Asset Management Securities, Inc., Distributor.

31

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SEQ.=38,FOLIO='',FILE='07-13640-26.ea',USER='whazuka',CD=''

Document name: 07-13640-26.za

This report, including the financial statements herein, is sent to the shareholders of the Fund for their information. The financial information included herein is taken from the records of the Fund without examination by independent registered public accountants who do not express an opinion thereon. It is not a prospectus, circular or representation intended for use in the purchase or sale of shares of the Fund or of any securities mentioned in this report.

DHY-SAR-0407

SEQ.=40,FOLIO='',FILE='07-13640-26.za',USER='whazuka',CD=''

*Item 2. Code of Ethics.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 3. Audit Committee Financial Expert.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 4. Principal Accountant Fees and Services.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 5. Audit Committee of Listed Registrants.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 6. Schedule of Investments.*

Included as part of the report to shareholders filed under Item 1 of this Form.

*Item 7. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 8. Portfolio Managers of Closed-End Management Investment Companies.*

This item is inapplicable to a semi-annual report on Form N-CSR.

*Item 9. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.*

None.

*Item 10. Submission of Matters to a Vote of Security Holders.*

There have been no material changes to the procedures by which shareholders may recommend nominees to the registrant’s board of directors since the registrant last provided disclosure in response to the requirements of Item 7(d)(2)(ii)(g) of Schedule 14A in its definitive proxy statement dated December 29, 2006.

*Item 11. Controls and Procedures.*

(a) As of a date within 90 days from the filing date of this report, the principal executive officer and principal financial officer concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940 (the “Act”)) were effective based on their evaluation of the disclosure controls and procedures required by Rule 30a-3(b) under the Act and Rules 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934.

(b) There were no changes in registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the Act) that occurred during the registrant’s last fiscal half-year that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

SEQ.=1,FOLIO='',FILE='C:\Fc\181132419134_P66497CHE_2230492\13640-25-ga.htm',USER='jmsproofassembler',CD='Jun 30 13:24 2007'

*Item 12. Exhibits.*

(a)(1) Not applicable.

(a)(2) The certifications of the registrant as required by Rule 30a-2(a) under the Act are exhibits to this report.

(a)(3) Not applicable.

(b) The certifications of the registrant as required by Rule 30a-2(b) under the Act are an exhibit to this report.

SEQ.=1,FOLIO='',FILE='C:\Fc\181132419134_P66497CHE_2230492\13640-25-ga.htm',USER='jmsproofassembler',CD='Jun 30 13:24 2007'

*SIGNATURES*

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

CREDIT SUISSE HIGH YIELD BOND FUND
/s/ Keith M.
Schappert
Name: Keith M. Schappert
Title: Chief Executive Officer
Date: July 5, 2007

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

/s/ Keith M. Schappert
Name: Keith M. Schappert
Title: Chief Executive Officer
Date: July 5, 2007
/s/ Michael A.
Pignataro
Name: Michael A. Pignataro
Title: Chief Financial Officer
Date: July 5, 2007

SEQ.=1,FOLIO='',FILE='C:\Fc\18113181734_P66497CHE_2230492\13640-25-jc.htm',USER='jmsproofassembler',CD='Jun 30 13:18 2007'

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