<PAGE>
 
                                  SIGNATURES
 
  PURSUANT TO THE REQUIREMENTS OF SECTION 13 OR 15(D) OF THE SECURITIES AND
EXCHANGE ACT OF 1934, THE REGISTRANT HAS DULY CAUSED THIS REPORT TO BE SIGNED
ON ITS BEHALF BY THE UNDERSIGNED, HEREUNTO DULY AUTHORIZED.
 
                                          RF Power Products, Inc.
 
                                                     
                                          By:       /s/ Joseph Stach 
                                             -------------------------------   
                                                       JOSEPH STACH,
                                                 CHAIRMAN OF THE BOARD AND
                                                         PRESIDENT
 
Date: February 25, 1997
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES EXCHANGE ACT OF 1934, THIS
REPORT HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS ON BEHALF OF THE
REGISTRANT IN THE CAPACITIES AND ON THE DATES INDICATED.
    
              SIGNATURE                         TITLE                DATE
 
          /s/ Joseph Stach              Chairman of the          February 25,
-------------------------------------    Board and President         1997
            JOSEPH STACH                 (Chief Executive
                                         Officer)
 
       /s/ Arthur Zafiropoulo           Director                 February 25,
-------------------------------------                                1997
         ARTHUR ZAFIROPOULO

 
          /s/ Gerald Starek             Director                 February 25,
-------------------------------------                                1997
            GERALD STAREK
 

         /s/ Domenic Golato             Treasurer and CFO        February 25,
-------------------------------------    (Principal                  1997
           DOMENIC GOLATO                Accounting Officer
                                         and CFO)
 
         /s/ Christopher Ben            Secretary and Chief      February 25,
-------------------------------------    Operating Officer           1997
           CHRISTOPHER BEN
                                                                                
<PAGE>
 
<TABLE>
<CAPTION>
 EXHIBIT
   NO.                       DESCRIPTION OF EXHIBITS                      PAGE
 -------                     -----------------------                      ----
 <C>     <S>                                                              <C>
 10.27   Revolving Credit Note (Demand) dated July 31, 1995 between the
         Registrant and NatWest Bank, N.A.; Revolving Credit and Term
         Loan Agreement dated August 31, 1995 between Registrant and
         NatWest Bank N.A.; First Amendment to Loan Documents dated
         January 23, 1996 between the Registrant and NatWest Bank,
         N.A.; and Amended and Restated Term Note dated January 23,
         1996 between the Registrant and NatWest Bank N.A.
 11.*    See Note 1 to the Financial Statements.
 21.     Subsidiaries of the Registrant.
 23.1    Consent of KPMG Peat Marwick LLP.
 23.2    Consent of Grant Thornton LLP.
 27      Financial Data Schedule.
</TABLE>
--------
* Incorporated by reference.
 
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