SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) May 31, 2006

Credit Suisse (USA), Inc.

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation or organization)

1-6862		13-1898818
(Commission File Number)		(I.R.S. Employer
		Identification No.)

Eleven Madison Avenue, New York, New York		10010
(Address of principal executive office)		(Zip Code)

(212) 325-2000

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

The following exhibits are hereby incorporated by reference into the Company’s Registration Statement on Form S-3ASR (File No. 333-131970).

Exhibit 99.1		Terms Agreement relating to $1,050,000,000 Floating Rate Notes due June 5, 2009, $1,000,000,000 Floating Rate Notes due June 5, 2009, and $700,000,000 Floating Rate Notes due June 5, 2009 dated May 31, 2006 between the Registrant and Credit Suisse Securities (USA) LLC (the “Terms Agreement”)

Exhibit 99.2		Underwriting Agreement relating to Debt Securities as incorporated into the Terms Agreement

Exhibit 99.3		Supplement to the Underwriting Agreement dated May 31, 2006

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	CREDIT SUISSE (USA), INC.


	By:	/s/ Sharon O’Connor
		Name: Sharon O’Connor
		Title: Authorized Signatory

June 2, 2006

CREDIT SUISSE (USA) INC 8-K