AMENDMENT TO RIGHTS AGREEMENT
                          -----------------------------


         This  Amendment is adopted the 12th day of February,  1999 by the Board
of  Directors  of Espey  Mfg.  &  Electronics  Corp.  pursuant  to  Section  26.
Supplements and Amendments.  of the Rights  Agreement dated as of March 31, 1989
between Espey Mfg. & Electronics  Corp., a New York  Corporation (the "Company")
and Registrar and Transfer Co., as Rights Agent (the "Rights Agent").

         Except  as  specifically  set  forth  in  this  Amendment,  the  Rights
Agreement and the Exhibits thereto shall remain unchanged.  

         Now,  therefore,  the Rights  Agreement  and the  Exhibits  thereto are
hereby amended and changed as follows:

         1. Section 1.  Certain  Definitions.  is hereby  amended and changed as
follows:

                  (i)  On  page  2  in  subsection  (a)  in  the  definition  of
"Acquiring Person" the language "25%" is hereby amended and changed to "15%".
       
         2. Section 3. Issue of Right Certificate. is hereby amended and changed
as follows:

                  (i) In  subsection  (a)  on  page 6 the  language  "being  the
Beneficial Owner of 30% or more of the outstanding Common Shares of the Company"
is hereby amended and changed to "being the  Beneficial  Owner of 15% or more of
the outstanding Common Shares of the Company."

                  (ii) In  subsection  (c) on page 8 in the legend the  language
"dated as of March 31,  1989 (the  "Rights  Agreement")"  is hereby  amended and
changed to "dated as of March 31,  1989,  and amended as of February  12,  1999,
(the "Rights Agreement")."

         3. Section 7. Exercise of Rights;  Purchase  Price;  Expiration Date of
Rights. is hereby amended and changed as follows:

                  (i) In  subsection  (a) on page 13 the language "(i) the Close
of  Business  on March 31,  1989 and" is hereby  amended and changed to "(i) the
Close of Business on December 31, 1999 and".

         4. Section 11. Adjustment of Purchase Price; Number of Shares or Number
of Rights. is hereby amended and changed as follows:

                  (i) In subsection  (a)(ii)(A)(3)  on page 21 the language "(3)
shall  alone  or  together  with  its  Affiliates  and  Associates,  become  the
Beneficial  Owner of 30% or more of the Common  Shares,"  is hereby  amended and
changed to "(3) shall  alone or together  with its  Affiliates  and  Associates,
become the Beneficial Owner of 15% or more of the Common Shares,".

                  (ii) In  subsection  (a)(ii)(B)  on page 25 in the  legend the
language  "dated as of March 31, 1989," is hereby  amended and changed to "dated
as of March 31, 1989, and amended as of February 12, 1999."

         5. Section 23. Redemption. is hereby amended and changed as follows:

                  (i) In subsection (a) on page 51 the language  "earlier of the
Distribution  Date and March 31, 1999" is hereby amended and changed to "earlier
of the Distribution Date and December 31, 1999."

                  (ii)  In  subsection  (c) on  page  54 the  language  "another
Distribution  Date and March 31, 1999" is hereby amended and changed to "another
Distribution Date and December 31, 1999."

         6.  Exhibit A [Form of Right  Certificate]  and  Exhibit  B Summary  of
Rights to Purchase Common Shares to the Rights  Agreement are hereby amended and
changed to reflect the amendments and changes contained in this Amendment.

         The Exhibits to the Rights  Agreement are hereby amended and changed to
reflect the amendments and changes contained herein.
 

         IN WITNESS  WHEREOF,  the parties  hereto have caused this Amendment to
the Rights  Agreement  and the  Exhibits  thereto to be duly  executed and their
respective  corporate seals to be hereunto  affixed and attested,  all as of the
day and year first above written.


Attest:                                           ESPEY MFG. & ELECTRONICS CORP.

/s/ Peggy A. Murphy                           By: /s/ Howard Pinsley
- -------------------                               ------------------
Peggy A. Murphy                                   Howard Pinsley

Attest:                                           REGISTRAR TRANSFER CO.

/s/ Walter Braczek                            By: /s/William P. Tatler
- ------------------                                --------------------
Walter Braczek                                    William P. Tatler


STATE OF NEW YORK
COUNTY OF SARATOGA

                  At ___________,  this 18th day of February,  1999,  personally
appeared Howard Pinsley, duly authorized agent of Espey Mfg. & Electronics Corp.
and he acknowledged  this  instrument,  by him sealed and subscribed,  to be his
free act and deed and the free act and deed of Espey Mfg. & Electronics Corp.

                                                            /s/ Sheila A. Osborn
                                                            --------------------
                                                                Sheila A. Osborn
                                                                Notary Public




STATE OF NEW JERSEY
COUNTY OF UNION

                  At  _____________________,  this _18th day of February,  1999,
personally  appeared  William P. Tatler,  duly authorized agent of Registrar and
Transfer Co. and he acknowledged this instrument,  by him sealed and subscribed,
to be his free act and deed and the free act and deed of Registrar  and Transfer
Co.

                                                             /s/ Deanna  Leaman
                                                             ------------------
                                                                 Deanna  Leaman
                                                                 Notary Public