PURCHASE AGREEMENT

         Credit Suisse Warburg Pincus Municipal Bond Fund, Inc. (the "Fund"), a
corporation organized under the laws of the State of Maryland, and Credit Suisse
Asset Management, LLC ("CSAM") hereby agree as follows:

         1.       The Fund offers CSAM and CSAM hereby purchases one share of
common stock of the Fund, which shall be designated as a Class A share, having a
par value of $.001 per share, at a price of $____ per Share (the "Initial
Share"), the Fund agreeing to waive the initial sales charge on such purchase.
CSAM hereby acknowledges receipt of a certificate representing the Initial Share
and the Fund hereby acknowledges receipt from CSAM of $______ in full payment
for the Initial Share.

         2.       CSAM represents and warrants to the Fund that the Initial
Share is being acquired for investment purposes and not for the purpose of
distributing it.

         3.       CSAM agrees that if any holder of an Initial Share redeems
such Share in the Fund before one year after the date upon which Class A of the
Fund commences its investment activities, the redemption proceeds will be
reduced by the amount of unamortized organizational and offering expenses of
that Class.



         IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of the ____ day of ________________, 2001.

                                CREDIT SUISSE WARBURG PINCUS
                                MUNICIPAL BOND FUND, INC.


                                By:
                                   --------------------------------------------
                                    Name:
                                    Title:

ATTEST:



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                                CREDIT SUISSE ASSET MANAGEMENT, LLC


                                By:
                                   --------------------------------------------
                                    Name:
                                    Title:

ATTEST:



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