PEERLESS MFG. CO.
                         2002 ANNUAL REPORT ON FORM 10-K

                                  EXHIBIT 99.1



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002





         In connection with the Annual Report of Peerless Mfg. Co. (the
"Company") on Form 10-K for the fiscal year ended June 30, 2002, as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Sherrill Stone, Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that to the best of my knowledge:

         (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; as amended, and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company as of the dates and for the periods expressed in the Report.




                                       /s/ Sherrill Stone
                                       ----------------------------------------
                                       Sherrill Stone
                                       Chief Executive Officer
                                       September 26, 2002



         This certification accompanies this Report pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002 and shall not be deemed filed by the Company for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended.




                                       53