X0303 4 2010-08-26 0 0000877463 Invesco Van Kampen Municipal Trust VKQ 0001077650 Dammeyer Rodney F CAC, LLC 4350 LAJOLLA VILLAGE DRIVE #320 SAN DIEGO CA 92122 1 0 0 0 Common Shares 2010-08-26 4 P 0 17000 14.716 A 52661.487 D Common Shares 39135 I DRD Family Partnership,LP The reporting person effected multiple same-way open market purchase 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 occurred 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 a shareholder of the issuer, full information regarding the number of shares purchased at each separate price. Reflects the weighted average purchase price. The range of prices for such transaction is $14.68 - $14.75. Todd L. Spillane, as Attorney in Fact 2010-08-27