99.1  Certification  of the Chief  Executive  Officer  and  Principal  Financial
Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.


                                  CERTIFICATION

In  connection  with the  Quarterly  Report of Coates  International,  Ltd. (the
"Company")  on Form 10-QSB for the quarter  ended  September 30, 2003 filed with
the  Securities and Exchange  Commission  (the  "Report"),  I, George J. Coates,
President,  Chief  Executive  Officer  and  Principal  Financial  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:

1. I have reviewed this quarterly report on Form 10-QSB of Coates International,
Ltd..;

2. Based on my  knowledge,  this  quarterly  report  does not contain any untrue
statement of a material fact or omit to state a material fact  necessary to make
the statements made, in light of the  circumstances  under which such statements
were made, not  misleading  with respect to the period covered by this quarterly
report;

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information  included in this quarterly  report,  fairly present in all material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

4. I am responsible for  establishing  and maintaining  disclosure  controls and
procedures  (as defined in Exchange Act Rules 15d-14) for the  registrant  and I
have:

a) designed  such  disclosure  controls and  procedures  to ensure that material
information relating to the registrant, including its consolidated subsidiaries,
is made known to us by others  within those  entities,  particularly  during the
period in which this quarterly report is being prepared;

b) evaluated  the  effectiveness  of the  registrant's  disclosure  controls and
procedures  as of a date  within  90  days  prior  to the  filing  date  of this
quarterly report; and

c) presented in this quarterly report our conclusions about the effectiveness of
the  disclosure  controls  and  procedures  based  on our  evaluation  as of the
Evaluation Date;

5. I have disclosed,  based on our most recent  evaluation,  to the registrant's
auditors and the registrant's  board of directors (which performs the equivalent
function):

a) all significant  deficiencies in the design or operation of internal controls
which  could  adversely  affect the  registrant's  ability  to record,  process,
summarize and report  financial data and have  identified  for the  registrant's
auditors any material weaknesses in internal controls; and

b) any  fraud,  whether  or not  material,  that  involves  management  or other
employees who have a significant role in the registrant's internal controls; and



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<PAGE>


6. I have  indicated  in  this  quarterly  report  whether  or  not  there  were
significant  changes  in  internal  controls  or in  other  factors  that  could
significantly affect internal controls subsequent to the date of our most recent
evaluation,   including  any  corrective  actions  with  regard  to  significant
deficiencies and material weaknesses.


Dated:  November 14, 2003              COATES INTERNATIONAL, LTD.

                                       By:  /s/ George J. Coates
                                            ---------------------
                                              George J. Coates
                                              President, Chief Executive Officer
                                              and Principal Financial Officer


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