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                Certification Pursuant to 18 U.S.C. Section 1350,
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Morgan Stanley Asia-Pacific Fund, Inc.

     In connection with the Report on Form N-CSR (the "Report") of the
above-named issuer for the period ended June 30, 2003 that is accompanied by
this certification, the undersigned hereby certifies that:

1.   The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

2.   The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Issuer.


Date: August 19, 2003                             /s/ James Garrett
                                                  ------------------------------
                                                  James Garrett
                                                  Principal Financial Officer


A signed original of this written statement requires by Section 906 has been
provided to Morgan Stanley Asia-Pacific Fund, Inc. and will be retained by
Morgan Stanley Asia-Pacific Fund, Inc. and furnished to the Securities and
Exchange Commission or its staff upon request.


<Page>

                Certification Pursuant to 18 U.S.C. Section 1350,
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Morgan Stanley Asia-Pacific Fund, Inc.

     In connection with the Report on Form N-CSR (the "Report") of the
     above-named issuer for the period ended June 30, 2003 that is accompanied
     by this certification, the undersigned hereby certifies that:

1.   The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

2.   The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Issuer.


Date: August 19, 2003                             /s/ Ronald E. Robison
                                                  ------------------------------
                                                  Ronald E. Robison
                                                  Principal Executive Officer


A signed original of this written statement requires by Section 906 has been
provided to Morgan Stanley Asia-Pacific Fund, Inc. and will be retained by
Morgan Stanley Asia-Pacific Fund, Inc. and furnished to the Securities and
Exchange Commission or its staff upon request.