Exhibit 1.1 VAN KAMPEN UNIT TRUSTS, SERIES 824 TRUST AGREEMENT Dated: December 23, 2008 This Trust Agreement among Van Kampen Funds Inc., as Depositor, The Bank of New York Mellon, as Trustee, and Van Kampen Asset Management, as Supervisor, sets forth...Trust Agreement • December 23rd, 2008 • Van Kampen Unit Trusts Series 824
