State Street Research Securities Trust
                                  Certification
            Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
             (Subsections (a) and (b) of Section 1350, Chapter 63 of
                          Title 18, United States Code)


Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned
officer of the State Street Research Securities Trust , a Massachusetts business
trust, (the "Trust"), does hereby certify that the Trust's report on Form N-CSR
for the period ended April 30, 2003 (the "N-CSR") fully complies with the
requirements of Section 13 (a) or 15 (d), as applicable, of the Securities
Exchange Act of 1934, as amended, and information contained in the N-CSR fairly
presents, in all material respects, the financial condition and the results of
operations of the Trust. This certification is provided solely pursuant to 18
U.S.C. 1350 and shall not be deemed a part of the N-CSR, the financial
statements filed with the N-CSR or otherwise "filed" for any purpose.


Date: June 25, 2003


                                Richard S. Davis
                                President, Chairman and Chief Executive Officer