X0202 4 2008-02-25 0 0000900422 PUTNAM MUNICIPAL OPPORTUNITIES TRUST pmo 0001202325 HALDEMAN CHARLES E PUTNAM INVESTMENTS INC ONE POST OFFICE SQ BOSTON MA 02109 1 0 0 0 Common shares 2008-02-25 4 J 0 536 12.51 A 806 D Effective date of mergers of each of Putnam Investment Grade Municipal Trust and Putnam Municipal Bond Fund into issuer. Each of Putnam Investment Grade Municipal Trust (PGM) and Putnam Municipal Bond Fund (PMG), each of which is a closed-end investment company, merged into issuer (PMO) on February 25, 2008. Common shares of PMO were issued in exchange for all outstanding common shares of each of PGM and PMG based on the per-share net asset values of each fund's common shares calculated as of February 22, 2008. Reflects the issuance of 276 common shares of PMO received in connection with the merger of PGM into PMO and the issuance of 260 common shares of PMO received in connection with the merger of PMG into PMO. Per-share net asset value of PMO common shares as of February 22, 2008. Reflects rounding. Each of Putnam Investment Grade Municipal Trust (PGM) and Putnam Municipal Bond Fund (PMG), each of which is a closed-end investment company, merged into issuer (PMO) on February 25, 2008. Common shares of PMO were issued in exchange for all outstanding common shares of each of PGM and PMG based on the per-share net asset values of each fund's common shares calculated as of February 22, 2008. Charles E. Haldeman 2008-02-27