X0306 4 2015-04-15 0 0000884152 Invesco Municipal Opportunity Trust VMO 0001077650 Dammeyer Rodney F CAC, LLC 4350 LAJOLLA VILLAGE DRIVE #320 SAN DIEGO CA 92122 1 0 0 0 Common Shares 2015-04-15 4 S 0 22305 13.05 D 36602.957 I By Trust Common Shares 68062.82 I DRD Family Partnership LP The reporting person effected multiple same-way open market sale transactions on the same day at different prices through a trade order executed by a broker-dealer. The reporting person has reported on a single line all such transactions that occured within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or shareholder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average sale price. The range of prices for such transaction is $13.05 - $13.07. Todd L.Spillane, as Attorney in Fact 2015-04-16