EXHIBIT 99.1 DISTRIBUTION REPORT FOR INDEXPLUS TRUST SERIES 2003-1 DISTRIBUTION DATE DECEMBER 20, 2006 CUSIP NUMBER 45408V203 (i) the amounts received by the Trustee as of the last such statement in respect of principal, interest and premium on the "Underlying Securities" (see following chart): Interest: $1,134,715.78 Principal: 0.00 Premium: 0.00 (ii) the amounts of compensation received by the Trustee for the period relating to such Distribution Date: Paid by the Trust: $0.00 Paid by the Depositor: $4,250.00 (iii) the amount of distribution on such Distribution Date to Holders allocable to principal of and premium, if any, and interest on the Certificates and the amount of aggregate unpaid interest accrued as of such Distribution Date: Interest: $1,134,715.78 Principal: $0.00 Unpaid Interest Accrued: $0.00 (iv) see the following chart for the aggregate stated principal amount of the Underlying Securities related to such Series, the current interest rate or rates thereon at the close of business on such Distribution Date and the current rating assigned to the Certificates. (v) the aggregate Certificate Principal Balance of such Series at the close of business on such Distribution Date. ($25 Stated Amount) Initial Principal Balance: $37,500,000 Reduction: (0) ----------- Principal Balance 12/20/06: $37,500,000 Amounts Received Per Issuer: Interest Issuer Collected ------ --------- The Boeing Company $67,773.13 Citigroup Inc. $65,006.88 Credit Suisse First Boston (USA), Inc. $78,838.13 DaimlerChrysler AG $94,052.50 Ford Motor Company $82,434.25 General Electric Capital Corporation $74,688.75 General Motors Acceptance Corporation $88,520.00 The Goldman Sachs Group, Inc. $67,773.13 Johnson & Johnson $54,771.75 Federated Retail Holdings, Inc. $76,348.50 Time Warner Companies, Inc. $73,305.63 Valero Energy Corporation $82,987.50 Verizon Communications Inc. $85,753.75 Viacom Inc. $60,857.50 Weyerhaeuser Company $81,604.38 ------------- $1,134,715.78 Principal Amounts, Rates & Current Ratings: Issuer Rate CUSIP Moody's S&P ------ ---- ----- ------- --- The Boeing Company $2,213,000 6.125% 097-023-AU9 A2 A+ Citigroup Inc. $2,213,000 5.875% 172-967-BU4 Aa2 A+ Credit Suisse First Boston (USA). Inc. $2,213,000 7.125% 225-41L-AE3 Aa3 AA- DaimlerChrysler AG $2,213,000 8.500% 233-835-AQ0 Baa1 BBB Ford Motor Company $2,213,000 7.450% 345-370-CA6 Caa1 CCC+ General Electric Capital Corporation $2,213,000 6.750% 369-62G-XZ2 Aaa AAA General Motors Acceptance Corporation $2,213,000 8.000% 370-425-RZ5 Ba1 BB+ The Goldman Sachs Group, Inc. $2,213,000 6.125% 381-41G-CU6 Aa3 AA- Johnson & Johnson $2,213,000 4.950% 478-160-AL8 Aaa AAA Federated Retail Holdings, Inc. $2,213,000 6.900% 577-778-BQ5 Baa1 BBB Time Warner Companies, Inc. $2,213,000 6.625% 887-315-BN8 Baa2 BBB+ Valero Energy Corporation $2,213,000 7.500% 919-13Y-AE0 Baa3 BBB Verizon Global Funding Corporation $2,213,000 7.750% 923-44G-AS5 A3 A Viacom Inc. $2,213,000 5.500% 925-524-AV2 Baa3 BBB Weyerhaeuser Company $2,213,000 7.375% 962-166-BR4 Baa2 BBB United States Department of Treasury $4,305,000 0.000% 912-803-CH4 $37,500,000