MERCURY LARGE CAP SERIES FUNDS, INC.
Supplement to Prospectus Dated December 22, 1999
With respect to each Fund, the Investment Adviser has entered into a
contractual arrangement with either the Fund or its Portfolio as necessary to
ensure that the expenses incurred by each class of that Fund will not exceed
1.50%. This does not include Distribution and/or Service (12b-1) fees.
Therefore, under "Key Facts--Fees and Expenses" on page 4, the amount of the Fee
Waiver and/or Expense Reimbursement is 0.05% for Class I, Class A, Class B and
Class C shares, and the Net Total Operating Expenses for Class I, Class A, Class
B and Class C shares are 1.50%, 1.75%, 2.50% and 2.50%, respectively. Under
"Example" on page 6, estimated expenses would be as follows:
Expenses if you did redeem your shares:
1 Year 3 Years
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Class I $670 $984
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Class A $694 $1,057
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Class B $653 $989
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Class C $353 $789
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Expenses if you did not redeem your shares:
1 Year 3 Years
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Class I $670 $984
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Class A $694 $1,057
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Class B $253 $789
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Class C $253 $789
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Code #19078-12-99ALL
