Exhibit 1.1(b) Nuveen Unit Trusts, Series 43 Trust Indenture and Agreement Date May 20, 1999 This Trust Indenture and Agreement by and between John Nuveen & Co. Incorporated, as Depositor and The Chase Manhattan Bank, as Trustee, sets forth certain...Trust Indenture and Agreement • May 20th, 1999 • Nuveen Unit Trusts Series 43
