OPPENHEIMER CALIFORNIA MUNICIPAL FUND
Supplement dated May 15, 1998 to the
Prospectus dated November 24, 1997
The Prospectus is changed as follows effective June 1, 1998:
1. Footnote number 1 under the table entitled "Shareholder Transaction Expenses"
on page 3 is modified to read as follows:
(1) If you invest $1 million or more in Class A shares, you may have to
pay a sales charge of up to 1% if you sell your shares within 18 calendar
months from the end of the calendar month during which you purchased those
shares. See "How to Buy Shares -- Buying Class A Shares," below.
2. The second sentence of the paragraph entitled "Class A Shares" in the section
entitled "How to Buy Shares-Classes of Shares" on page 26 is modified to read as
follows:
If you purchase Class A shares as part of an investment of at least $1
million in shares of one or more Oppenheimer funds, you will not pay an
initial sales charge, but if you sell any of those shares within 18 months
of buying them, you may pay a contingent deferred sales charge, described
below.
3. The first and second sentences of the second paragraph of the section
entitled "Buying Class A Shares-Class A Contingent Deferred Sales Charge" on
page 31 are modified to read as
follows:
If you redeem any Class A shares subject to the contingent deferred sales
charge described above within 18 months of the end of the calendar month
of their purchase, a contingent deferred sales charge (called the "Class A
contingent deferred sales charge") may be deducted from the redemption
proceeds. (A different holding period may apply to shares purchased prior
to June 1, 1998).
4. The second sentence of the fourth paragraph of the section entitled "Buying
Class A Shares-Class A Contingent Deferred Sales Charge" on page 31 is modified
to read as follows:
However, if the shares acquired by exchange are redeemed within 18 months
of the end of the calendar month of the purchase of the exchanged shares,
the contingent deferred sales charge will apply. (A different holding
period may apply to shares purchased prior to June 1, 1998).
(Continued)
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5. The paragraph entitled "Special Arrangements With Dealers" on page 31 is
hereby deleted.
6. The following sub-paragraphs of the section entitled " Waivers of Class A
Sales Charges- Waivers of the Class A Contingent Deferred Sales Charge for
Certain Redemptions"on page 34 are deleted:
o if, at the time of purchase of shares (prior to May 1, 1997) the
dealer agreed in writing to accept the dealer's portion of the sales
commission in installments of 1/18th of the commission per month (and no
further commission will be payable if the shares are redeemed within 18
months of purchase)
o if, at the time of purchase of shares (on or after May 1, 1997)
the dealer agreed in writing to accept the dealer's portion of the sales
commission in installments of 1/12th of the commission per month (and no
further commission will be payable if the shares are redeemed within 12
months of purchase)
7. The section captioned "Special Investor Services" is revised by adding the
following after the sub-section captioned "Shareholder Transactions by Fax" on
page 39:
OppenheimerFunds Internet Web Site. Information about the Fund, including
your account balance, daily share prices, market and Fund portfolio information,
may be obtained by visiting the OppenheimerFunds Internet Web Site, at the
following Internet address: http://www.oppenheimerfunds.com. Additionally,
certain account transactions may be requested by any shareholder listed in the
registration on an account as well as by the dealer representative of record,
through a special section of that Web Site. To access that section of the Web
Site, you must first obtain a personal identification number ("PIN") by calling
OppenheimerFunds PhoneLink at 1-800-533-3310. If you do not wish to have
Internet account transactions capability for your account, please call our
customer service representatives at 1-800-525-7048. To find out more information
about Internet transactions and procedures, please visit the Web Site.
May 15, 1998 PS0790.007
2
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OPPENHEIMER CALIFORNIA MUNICIPAL FUND
Supplement dated May 15, 1998 to the
Statement of Additional Information dated November 24, 1997
The Statement of Additional Information is changed as follows effective June 1,
1998:
The third sentence of the fourth paragraph in the section
entitled "How To Exchange
Shares" on page 46 is revised to read as follows:
However, if you redeem Class A shares of the Fund that were acquired by
exchange of Class A shares of other Oppenheimer funds purchased subject to
a Class A contingent deferred sales charge within 18 months of the end of
the calendar month of the purchase of the exchanged Class A shares, the
Class A contingent deferred sales charge is imposed on the redeemed shares
(see "Class A Contingent Deferred Sales Charge" in the Prospectus). (A
different holding period may apply to shares purchased prior to June 1,
1998).
May 15, 1998 PS0790.004
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