This Supplement is filed pursuant to Rule 497(d) with regard to Equity
Investor Fund, Western Premier Portfolio 2000 Series A, Defined Asset Funds.
The text of the supplement to the Prospectus dated February 7, 2000 is as
follows:
Supplement dated February 23, 2000
to Prospectus dated February 7, 2000, of
Equity Investor Fund
Western Premier Portfolio 2000 Series A
Defined Asset Funds
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The second paragraph under "6. What are the Portfolio's Fees and Expenses?" on
page 4 of this prospectus is amended to read as follows:
The Creation and Development Fee (estimated at $0.00248 per unit) compensates
the Sponsor for the creation and development of the Portfolio and is computed
based on the Portfolio's average daily net asset value through the date of
collection. This fee historically has been included in the sales fee.
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