AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 19, 2010. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 AMENDMENT NO. 2 MBIA CAPITAL/CLAYMORE MANAGED DURATION INVESTMENT GRADE MUNICIPAL FUND (Name of Subject Company (issuer)) MBIA CAPITAL/CLAYMORE MANAGED DURATION INVESTMENT GRADE MUNICIPAL FUND (Name of Filing Person (offeror)) COMMON SHARES OF BENEFICIAL INTEREST, PAR VALUE $0.001 PER SHARE (Title of Class of Securities) 55266X209 (CUSIP Number of Class of Securities) KEVIN M. ROBINSON, ESQ. 2455 CORPORATE WEST DRIVE LISLE, ILLINOIS 60532 (630) 505-3700 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications on Behalf of the Person(s) Filing Statement) COPY TO: SARAH E. COGAN, ESQ. SIMPSON THACHER & BARTLETT LLP 425 LEXINGTON AVENUE NEW YORK, NEW YORK 10017 (212) 455-2000 CALCULATION OF FILING FEE ===================================== ========================================== TRANSACTION VALUE AMOUNT OF FILING FEE - ------------------------------------- ------------------------------------------ N/A N/A - ------------------------------------- ------------------------------------------ | | Check box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing. Amount Previously Paid: Not applicable Form or Registration No.: Not applicable Filing Party: Not applicable Date Filed: Not applicable | | Check box if the filing relates solely to preliminary communications made before the commencement of a tender offer. Check the appropriate boxes to designate any transactions to which this statement relates: | | third party tender offer subject to Rule 14d-1 |X| issuer tender offer subject to Rule 13e-4 | | going-private transaction subject to Rule 13e-3 | | amendment to Schedule 13D under Rule 13d-2 Check the following box if the filing is a final amendment reporting the results of the tender offer. | | INTRODUCTORY STATEMENT This Amendment No. 2 to the Issuer Tender Offer Statement on Schedule TO filed with the Securities and Exchange Commission on February 11, 2010 relates to an offer by MBIA Capital/Claymore Managed Duration Investment Grade Municipal Fund, a Delaware statutory trust (the "Fund"), to repurchase up to 1,190,339 (approximately 15%) of its issued and outstanding common shares of beneficial interest, par value $0.001 per share. This Amendment No. 2 to the Issuer Tender Offer Statement on Schedule TO amends such Issuer Tender Offer Statement to add an additional exhibit in accordance with Rule 13e-4(c)(1) promulgated under the Securities Exchange Act of 1934, as amended. ITEM 12. EXHIBITS (a)(5)(iv) Press release issued on March 19, 2010. 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. MBIA CAPITAL/CLAYMORE MANAGED DURATION INVESTMENT GRADE MUNICIPAL FUND By: /s/ J. Thomas Futrell -------------------------------- Name: J. Thomas Futrell Title: Chief Executive Officer Dated: March 19, 2010