CSFB in Debt Offerings Totaling $2.3 Billion

June 10, 2005

Cleary Gottlieb represented the underwriters, led by Credit Suisse First Boston LLC, in a global offering by Credit Suisse First Boston (USA), Inc. of $900 million of its Three-Month LIBOR Notes due June 2, 2008, $200 million of its Federal Funds Open Rate Notes due June 2, 2008 and $115 million of its One-Month LIBOR Notes due June 2, 2008. Cleary also represented the underwriters in add-on offerings of $800 million of CSFB USA’s Federal Funds Open Rate Notes due June 3, 2008 and $250 million of its Three-Month LIBOR Notes due June 2, 2008. The notes will not be listed on any securities exchange. The offering, a syndicated takedown from CSFB USA’s $15 billion shelf registration statement, initially closed on June 2. The add-on offering for the Federal Funds Open Rate Notes closed June 3 and the add-on offering for the Three-Month LIBOR Notes closed on June 10.

CSFB USA is a leading integrated investment bank serving institutional, corporate, government and high-net worth individual clients. It is the holding company for CSFB’s broker-dealer and the former Donaldson, Lufkin & Jenrette investment bank, which Credit Suisse Group acquired in 2000.