EXHIBIT 99.906 EQUITY SECURITIES TRUST I FORM N-CSR STATEMENT FURNISHED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002, 18 U.S.C. SECTION 1350 The undersigned, Donald J. Puglisi, is the managing trustee of Equity Securities Trust I (the "registrant"). This statement is being furnished in connection with the filing by the registrant of the registrant's report on Form N-CSR for the fiscal year ended December 31, 2003 (the "Report"). By execution of this statement, I certify that: (A) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)) and (B) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrant as of the dates and for the periods covered by the Report. Date: February 27, 2004 /s/ Donald J. Puglisi --------------------------- Donald J. Puglisi Managing Trustee