424B3 1 f424b3_051305-regional.txt PROSPECTUS SUPPLEMENT PROSPECTUS SUPPLEMENT FILED PURSUANT TO RULE 424(b)(3) (To Prospectus dated October 25, 2004) REGISTRATION NO. 333-36480 [GRAPHIC OMITTED] 1,000,000,000 Depositary Receipts Regional Bank HOLDRS (SM) Trust This prospectus supplement supplements information contained in the prospectus dated October 25, 2004 relating to the sale of up to 1,000,000,000 depositary receipts by Regional Bank HOLDRS (SM) Trust. The share amounts specified in the table in the "Highlights of Regional Bank HOLDRS" section of the base prospectus shall be replaced with the following:
Primary Share Trading Name of Company Ticker Amounts Market ----------------------------------------------------- ---------- --------- ---------- AmSouth Bancorporation ASO 12 NYSE BB&T Corporation BBT 10 NYSE Comerica Incorporated CMA 5 NYSE Fifth Third Bancorp FITB 13.5 NASDAQ Bank of America BAC 27.765 NYSE KeyCorp KEY 13 NYSE Marshall & Ilsley Corporation MI 6 NYSE Mellon Financial Corporation MEL 14 NYSE National City Corporation NCC 18 NYSE Northern Trust Corporation NTRS 7 NASDAQ Piper Jaffray Companies PJC 0.5683 NYSE State Street Corporation STT 10 NYSE SunTrust Banks, Inc. STI 9 NYSE Synovus Financial Corp. SNV 8 NYSE The PNC Financial Services Group, Inc. PNC 9 NYSE US Bancorp USB 56.83 NYSE Wachovia Corporation WB 41 NYSE Wells Fargo & Co. WFC 24 NYSE
The share amounts listed in the table above reflect all previous stock splits, dividends and business combination transactions. The date of this prospectus supplement is March 31, 2005.