AUCTION AGENCY AGREEMENT dated as of October [ ], 2006 Relating to Auction Market Preferred Shares 3,800 Shares, Series T7 3,800 Shares, Series TH7 of DUFF & PHELPS UTILITY AND CORPORATE BOND TRUST INC.Broker-Dealer Agreement • October 17th, 2006 • Duff & Phelps Utility & Corporate Bond Trust Inc • New York
Duff & Phelps Utility and Corporate Bond Trust Inc. (a Maryland corporation) Auction Market Preferred Shares (“AMPS”) [ ] Shares, [ ]% Series T7 AMPS [ ] Shares, [ ]% Series TH7 AMPS Liquidation Preference $25,000 per Share PURCHASE AGREEMENTPurchase Agreement • October 17th, 2006 • Duff & Phelps Utility & Corporate Bond Trust Inc • New York
