CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the references to our firm under the captions "Financial
Highlights" and "Experts - Pioneer Funds", in the Combined Proxy Statement of
Safeco Common Stock Trust and Prospectus for Investor Class Shares of Pioneer
Fund ("Combined Proxy Statement and Prospectus"), and to the incorporation by
reference of our report dated February 17, 2004, with respect to the financial
statements and financial highlights of Pioneer Fund, included in the Annual
Report to the Shareowners for the year ended December 31, 2003, in the Combined
Proxy Statement and Prospectus included in this Registration Statement on Form
N-14 of the Pioneer Fund. We further consent to the reference to us under the
heading "Representations and Warranties" (paragraph 4.2(g)) in the Agreement and
Plan of Reorganization included as Exhibit A to the Combined Proxy Statement and
Prospectus.

We also consent to the references to our firm under the captions "Independent
Auditors" and "Financial Statements" in the Pioneer Fund Class A, Class B, Class
C, Class R and Class Y Shares Statement of Additional Information, and to the
incorporation by reference of our report, dated February 17, 2004, on the
financial statements and financial highlights of Pioneer Fund included in the
Annual Report to the Shareowners for the year ended December 31, 2003, in
Post-Effective Amendment No. 75 to the Registration Statement (Form N-1A, File
Nos. 2-25980; 811-07613), as filed with the Securities and Exchange Commission
on April 8, 2004 (Accession No. 0001016964-04-000094), which is incorporated by
reference into the Combined Proxy Statement and Prospectus included in this
Registration Statement on Form N-14 of the Pioneer Fund.

                                                 /s/ ERNST & YOUNG LLP

Boston, Massachusetts
October 19, 2004






            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption "Experts - Safeco
Funds," in the Combined Proxy Statement of Safeco Common Stock Trust and
Prospectus for Investor Class Shares of Pioneer Fund, and to the incorporation
by reference of our report dated January 30, 2004, with respect to the financial
statements and financial highlights of Safeco Core Equity Fund included in the
Safeco Common Stock Trust Annual Report for the year ended December 31, 2003, in
the Combined Proxy Statement and Prospectus included in this Registration
Statement on Form N-14 of the Pioneer Fund. We further consent to the reference
to us under the heading "Representations and Warranties" (paragraph 4.1(f)) in
the Agreement and Plan of Reorganization included as Exhibit A to the Combined
Proxy Statement and Prospectus.

We also consent to the references to our firm under the captions "Independent
Auditors" and "Financial Statements" in the Safeco Common Stock Trust Statement
of Additional Information, and to the incorporation by reference of our report,
dated January 30, 2004, on the financial statements and financial highlights of
Safeco Core Equity Fund included in the Safeco Common Stock Trust Annual Report
for the year ended December 31, 2003, in Post-Effective Amendment No. 33 to the
Registration Statement (Form N-1A, File Nos. 33-36700/811-6167), as filed with
the Securities and Exchange Commission on April 29, 2004 (Accession No.
0001193125-04-072454), which is incorporated by reference into the Combined
Proxy Statement and Prospectus included in this Registration Statement on Form
N-14 of the Pioneer Fund.

                                           /s/ ERNST & YOUNG LLP

Seattle, Washington
October 20, 2004