THIS  NOTE  HAS  BEEN  ACQUIRED  FOR  INVESTMENT  PURPOSES  ONLY  AND MAY NOT BE
TRANSFERRED UNTIL (i) A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933,
AS AMENDED (THE "ACT") SHALL HAVE BECOME  EFFECTIVE WITH RESPECT THERETO OR (ii)
RECEIPT BY THE COMPANY OF AN OPINION OF COUNSEL  REASONABLY  SATISFACTORY TO THE
COMPANY  TO THE  EFFECT  THAT  REGISTRATION  UNDER  THE  ACT IS OT  REQUIRED  IN
CONNECTION WITH SUCH PROPOSED  TRANSFER NOR IS SUCH TRANSFER IN VIOLATION OF ANY
APPLICABLE  STATE  SECURITIES  LAWS. THIS LEGEND SHALL BE ENDORSED UPON ANY NOTE
ISSUED IN EXCHANGE FOR THIS NOTE.

                            REGENT ENERGY CORPORATION

                                 PROMISSORY NOTE

$2,000,000                                                         April 5, 2001


     FOR VALUE RECEIVED,  REGENT ENERGY  CORPORATION,  a Nevada corporation (the
"Company") with its principal  executive office at 650 North Sam Houston Parkway
East (Suite 500),  Houston,  Texas  77060,  promises to pay to Harry Newton (the
"Payee" or the "holder of this Note") on April 5, 2003 (the "Maturity Date") the
principal amount of Two Million ($2,000,000) dollars (the "Principal Amount") in
such coin or currency of the United  States of America as at the time of payment
shall be legal tender for the payment of public and private  debts.  No interest
on the Principal Amount of this Note shall accrue or be paid.

     Each  payment by the Company  pursuant  to this Note shall be made  without
set-off or deduction and in  immediately  available  funds.  All payments of the
Principal  Amount shall be made to Payee on or before the  Maturity  Date at the
address of Payee hereinbefore set forth or, at Payee's request, to Payee at such
other  address as Payee may,  from time to time,  designate  in writing.  If any
payment  hereunder  becomes due on a  Saturday,  Sunday or legal  holiday,  such
payment shall become due on the next business day.

     The Company (i) waives presentment,  demand,  protest or notice of any kind
in connection with this Note (except as specifically  provided elsewhere in this
Note) and (ii)  agrees,  in the  event of an Event of  Default  (as  hereinafter
defined),  to pay to the holder of this Note, on demand,  all costs and expenses
(including  reasonable  fees  and  expenses)  incurred  in  connection  with the
enforcement and collection of this Note.

     This Note and the other  identical  promissory  notes of the  Company  (the
"Notes") are being issued to the Payee in connection with a private placement of
debt units by the Company, and pursuant to a Subscription  Agreement between the
Company and the Payee (the "Subscription  Agreement"), a copy of which agreement
is available for inspection at the Company's principal office. In the Financing,
the Company is selling up to twenty (20) units (the "Units") at a purchase price
of $100,000  per Unit on a "best  efforts"  basis.  Each Unit  consists of (i) a
$100,000  Principal Amount Note  (collectively,  the "Other Notes"),  and (ii) a
three (3) year  warrant  (the  "Warrant")  to purchase  10,000  shares of common
stock,  par value  $.01 per share  (the  "Common  Stock")  of the  Company at an
exercise price of $1.00 per share.




     Notwithstanding  any provision to the contrary contained herein,  this Note
is subject and entitled to certain terms,  conditions,  covenants and agreements
contained in the Subscription Agreement.  Any permitted transferee of this Note,
by and as a condition to its acceptance thereof,  assumes all of the obligations
of the Payee in the  Subscription  Agreement  with respect to the conditions and
procedures for the transfer of this Note.

     1. Prepayment.


          (a) At the option of the Company,  the unpaid Principal Amount of this
     Note may be  prepaid,  in whole or in part,  at any time form time to time,
     without penalty or premium.  Any such payments shall be applied to the then
     outstanding Principal Amount.

          (b) The Company shall prepay the unpaid  Principal Amount of this Note
     (and the Other  Notes) upon the receipt by the Company of  aggregate  gross
     proceeds  of no less than  $5,000,000  from all  private  placement  and/or
     registered public offerings by the Company of its equity securities,  other
     than  from  the  sale of  Units  in the  Bridge  Financing  (a  "Subsequent
     Financing").  All such  payments  shall be made at the time of closing  and
     from  the  closing  proceeds  of any  Subsequent  Financing(s)  aggregating
     $5,000,000.

     2. Warrants.  In  consideration  for the loan  evidenced by the Notes,  the
Company  shall  issue to each  holder of a $100,000  Principal  Amount  Note,  a
Warrant to purchase  10,000  shares of the Common  Stock of the Company for each
$100,000 Principal Amount of Notes purchased by a holder thereof (or such lesser
or greater  pro-rata number of Warrants  depending upon the Principal  Amount of
Note purchased by a particular Noteholder).

     3. Interest. The Company shall pay interest quarterly at the rate of 6% per
annum on the unpaid principal of the note.

     4. Conversion Into Stock. At the option of the Payee,  the Principal Amount
of this Note may be converted,  in whole or in part,  into the  securities to be
sold in the Company's securities at $3.00 per share.  However, the Company shall
have the right to force the  conversion of the note into equity when the Company
stock price  averages $5.00 per share or above for a period more than sixty (60)
days.

     5. Events of Default.

          (a) The term "Event of Default" shall mean any of the events set forth
     in this Section 5(a):

               (i) Non-Payment of Obligations.  The Company shall default in the
          payment  of the  Principal  Amount  of this  Note when and as the same
          shall become due and payable, whether by acceleration or otherwise.

                                       2


               (ii)   Bankruptcy,    Insolvency,   Etc.   The   Company   shall:


                    (a) admit in writing its inability to pay, its debts as they
               become due;

                    (b) apply for,  consent to, or acquiesce in, the appointment
               of a trustee,  receiver,  sequestrator or other custodian for the
               Company or any of its property,  or make a general assignment for
               the benefit of creditors;

                    (c) in the absence of such application, consent or acquiesce
               in,  permit  or suffer to exist  the  appointment  of a  trustee,
               receiver,  sequestrator or other custodian for the Company or for
               any  part  of  its   property,   and  such   trustee,   receiver,
               sequestrator or other  custodian  shall not be discharged  within
               thirty (30) days; or

                    (d)  permit  or  suffer  to exist  the  commencement  of any
               bankruptcy,  reorganization,  debt  arrangement  or other case or
               proceeding  under  any  bankruptcy  or  insolvency  law,  or  any
               dissolution,  winding up or liquidation proceeding, in respect of
               the Company,  and, if such case or proceeding is not commenced by
               the  Company  or  converted  to a  voluntary  case,  such case or
               proceeding  shall be consented to or acquiesced in by the Company
               or shall  result  in the  entry of an order  for  relief or shall
               remain for sixty (60) days undismissed or unstayed.

          (b) Action if Bankruptcy. If any Event of Default described in clauses
     (ii) (a) through (d) of Section 5(a) shall occur, the outstanding Principal
     Amount of this Note shall  automatically be and become  immediately due and
     payable, without notice or demand.

          (c) Action if Other Event of Default.  If any Event of Default  (other
     than any Event of Default  described  in clauses  (ii) (a)  through  (d) of
     Section 5(a) shall occur for any reason,  whether voluntary or involuntary,
     and be  continuing,  holders  owning  no  less  than  51% of the  aggregate
     outstanding  principal  amount  of this  Note  and  the  Other  Notes  then
     outstanding  (the  "Required  Holders")  may, upon ten (10) business  days'
     prior  written  notice to the  Company,  declare  all or any portion of the
     outstanding  Principal  Amount of the Note to be due and payable  whereupon
     the full  unpaid  Principal  Amount (or any portion  thereof so  demanded),
     shall in five (5)  business  days  following  receipt of such  notice be so
     declared due and payable  shall be and become  immediately  due and payable
     without further notice, demand, or presentment.

     6. Amendments and Waivers.


          (a) The  provisions  of this  Note may from  time to time be  amended,
     modified or waived, if such amendment, modification or waiver is in writing
     and  consented  to by the  Company  and  the  Required  Holders;  provided,
     however, that no such amendment, modification or waiver which would:

          (i) modify this  Section  6(a),  change the  definition  of  "Required
     Holders" or extend the Maturity Date;


                                       3



          (ii) reduce the  Principal  Amount  payable  hereunder,  shall be made
     without the consent of the holder of each of the Notes so affected; or

     (b) No failure or delay on the part of the Payee in exercising any power or
right under this Note shall operate as a waiver thereof, nor shall nay single or
partial  exercise  of any such  power or right  preclude  any  other or  further
exercise  thereof or the  exercise of any other power or right.  No notice to or
demand on the  Company in any case  shall  entitle it to any notice or demand in
similar or other circumstances. No waiver or approval by the Payee shall, except
as may be  otherwise  stated  in such  waiver  or  approval,  be  applicable  to
subsequent  transactions.  No waiver or  approval  hereunder  shall  require any
similar or dissimilar waiver or approval thereafter to be granted hereunder.

     (c) After any waiver,  amendment or supplement  under this Section  becomes
effective, the Company shall mail to the holders of the Notes a copy thereof.

     7. Miscellaneous.


          (a) Parties in Interest. All covenants, agreements and undertakings in
     this Note binding upon the Company or the Payee shall bind and inure to the
     benefit of the  successors  and  permitted  assigns of the  Company and the
     Payee, respectively, whether so expressed or not.

          (b) Governing Law. This Note shall be governed by and construed solely
     in  accordance  with the  internal  laws of the  State of New York  without
     regard to the  conflicts of laws  principles  thereof.  The parties  hereto
     hereby agree that any suit or proceeding arising directly and/or indirectly
     pursuant  to  or  under  this   instrument  or  the   consummation  of  the
     transactions  contemplated  hereby, shall be brought solely in a federal or
     state  court  located  in the City,  County  and State of New York.  By its
     execution hereof, the parties hereby covenant and irrevocably submit to the
     in personam  jurisdiction  of the federal and state  courts  located in the
     City,  County and State of New York and agree that any  process in any such
     action may be served upon any of them  personally,  or by certified mail or
     registered mail upon them or their agent,  return receipt  requested,  with
     the same full force and  effect as if  personally  served  upon them in New
     York City. The parties hereto waive any claim that any such jurisdiction is
     not a convenient  forum for any such suit or proceeding  and any defense or
     lack of in personam  jurisdiction with respect thereto. In the event of any
     such action or proceeding,  the party prevailing  therein shall be entitled
     to payment from the other party hereto of its  reasonable  counsel fees and
     disbursements in an amount judicially determined.

          (c) Notices.  All notices,  consents and other required  communication
     required or permitted under this Note shall be given in accordance with the
     Subscription Agreement.

          (d)  Inconsistencies.  To the extent  that there is any  inconsistency
     between the provisions of this Note and the provisions of the  Subscription
     Agreement, the provisions of this Note shall govern and be controlling.


                                       4




     IN WITNESS  WHEREOF,  this Note has been executed and delivered on the date
specified above by the duly authorized representative of the Company.

                                       REGENT ENERGY CORPORATION


                                       By:   /s/ John N. Ehrman
                                             -----------------------------------
                                             Name:  John N. Ehrman
                                             Title:  President

                                             /s/ John N. Ehrman
                                             -----------------------------------
                                             John N. Ehrman