As filed with the Securities and Exchange Commission on September 21, 2005 Securities Act File No. 333-52372 Investment Company Act File No. 811-09229 =============================================================================== SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ---------------------------- SCHEDULE TO ISSUER TENDER OFFER STATEMENT (PURSUANT TO SECTION 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934) (Amendment No. 1) Merrill Lynch Senior Floating Rate Fund II, Inc. (Name of Issuer) Merrill Lynch Senior Floating Rate Fund II, Inc. (Names of Person(s) Filing Statement) Shares of Common Stock, Par Value $.10 per share (Title of Class of Securities) 59021M 10 2 (CUSIP Number of Class of Securities) Robert C. Doll, Jr. Merrill Lynch Senior Floating Rate Fund II, Inc. 800 Scudders Mill Road Plainsboro, New Jersey 08536 (609) 282-2800 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications on Behalf of Person(s) Filing Statement) Copies to: Thomas R. Smith, Jr., Esq. Andrew J. Donohue, Esq. Sidley Austin Brown & Wood LLP Fund Asset Management, L.P. 787 Seventh Avenue P.O. Box 9011 New York, New York 10019 Princeton, New Jersey 08543-9011 August 15, 2005 (Date Tender Offer First Published Sent or Given to Security Holders) This Amendment No. 1 to the Issuer Tender Offer Statement on Schedule TO of Merrill Lynch Senior Floating Rate Fund II, Inc. (the "Fund") relating to an offer to purchase (the "Offer") up to 7,500,000 of the Fund's shares of common stock, par value $0.10 per share (the "Shares"), as originally filed with the Securities and Exchange Commission on August 15, 2005, constitutes the final amendment pursuant to Rule 13e-4(c)(3) under the Securities Exchange Act of 1934. The Offer terminated at 4:00 P.M., Eastern time, on September 13, 2005 (the "Expiration Date"). Pursuant to the Offer, 2,071,359.174 Shares were tendered, all of which were accepted by the Fund for repurchase at a net asset value of $9.80 per share, as determined as of the close of the New York Stock Exchange on the Expiration Date, for an aggregate purchase price of $20,299,319.91. SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. MERRILL LYNCH SENIOR FLOATING RATE FUND II, INC. September 21, 2005 By: /s/ Donald C. Burke ---------------------------------------------- (Donald C. Burke, Vice President and Treasurer) SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. MASTER SENIOR FLOATING RATE TRUST September 21, 2005 By: /s/ Donald C. Burke ---------------------------------------------- (Donald C. Burke, Vice President and Treasurer)