X0303 4 2010-11-08 0 0000880892 Invesco Van Kampen Trust for Investment Grade Municipals VGM 0001077650 Dammeyer Rodney F CAC, LLC 4350 LAJOLLA VILLAGE DRIVE #320 SAN DIEGO CA 92122 1 0 0 0 Common Shares 2010-11-08 4 P 0 10811 15.239 A 53092 I DRD Family Partnership, LP Common Shares 132537 D 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 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 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 $15.23 - $15.24. Todd L.Spillane, as Attorney in Fact 2010-11-09