TELEGEN CORP /CO/
S-3, 1998-05-22
TELEPHONE & TELEGRAPH APPARATUS
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            As filed with the Securities and Exchange Commission on May 22, 1998
                                                   Registration No. 333-________
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                           ---------------------------

                                    FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933
                           ---------------------------

                               TELEGEN CORPORATION
             (Exact name of Registrant as specified in its charter)
                           ---------------------------

          California                                           84-0672714
(State or other jurisdiction of                             (I.R.S. Employer
 incorporation or organization)                           Identification Number)

                                      3665
                          (Primary Standard Industrial
                           Classification Code Number)

                                101 Saginaw Drive
                             Redwood City, CA 94063
                                 (650) 261-9400

               (Address, including zip code, and telephone number,
                      including area code, of Registrant's
                          principal executive offices)
                             -----------------------
                                Fred Y. Kashkooli
                             Chief Executive Officer
                                101 Saginaw Drive
                             Redwood City, CA 94063
                                 (650) 261-9400

 (Name, address, including zip code, and telephone number, including area code,
                              of agent for service)

                                  With copy to:
                            Thomas C. DeFilipps, Esq.
                        Wilson Sonsini Goodrich & Rosati
                            Professional Corporation
                               650 Page Mill Road
                               Palo Alto, CA 94304
                                 (650) 493-9300
                           ---------------------------

                  Approximate date of commencement of proposed
              sale to the public: As soon as practicable after the
                 effective date of this Registration Statement.
                           ---------------------------


     If the only  securities  being  registered  on this Form are being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. |_|

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. |X|

     If this Form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. |_|

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering. |_|

     If delivery of the  prospectus is expected to be made pursuant to Rule 434,
please check the following box. |_|

<TABLE>
                                                     ---------------------------

                                                   CALCULATION OF REGISTRATION FEE

<CAPTION>
====================================================================================================================================
                                                                             Proposed               Proposed
                                                      Amount                  Maximum                Maximum            Amount of
          Title of Securities to                      to be               Offering Price            Aggregate          Registration
               be Registered                        Registered             Per Share(1)          Offering Price            Fee
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                               <C>                         <C>                <C>                     <C>
Common Stock...........................           6,829,725 shares            $0.54              $3,688,051.50           $1,087.98
====================================================================================================================================

<FN>
(1)  The Proposed  Maximum  Offering  Price Per Share was estimated  pursuant to
     Rule  457(c) on the basis of the  average of the high and low asked  prices
     reported on the OTC Bulletin Board on May 20, 1998.
</FN>
</TABLE>

                           ---------------------------

     The Registrant  hereby amends this  Registration  Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further  amendment  which  specifically  states  that  this  Registration
Statement shall  thereafter  become effective in accordance with Section 8(a) of
the  Securities  Act of 1933 or until the  Registration  Statement  shall become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.

================================================================================

<PAGE>


                                   PROSPECTUS


                                6,829,725 SHARES

                               TELEGEN CORPORATION

                                  COMMON STOCK


         This  Prospectus may be used for the offer and sale, from time to time,
of up to 6,829,725 shares (the "Shares") of common stock of Telegen Corporation,
a California  Corporation  (the "Company" or "Telegen"),  for the account of the
security holders identified below (the "Security Holders"), who received certain
securities  convertible  into  the  Shares  pursuant  to an  exemption  from the
registration requirements of the Securities Act of 1933, as amended (the "Act"),
provided by Section 4(2) thereof,  such Shares to be received in connection with
the  conversion  of Notes and the  exercise of Warrants as more fully  described
under the section  entitled "The Company"  herein.  The Company will not receive
any proceeds upon  conversion of the Notes and will receive up to  $1,072,085.26
upon exercise of the Warrants.  The expenses incurred in registering the Shares,
including legal and accounting  fees,  will be paid by the Company.  None of the
shares offered  pursuant to this Prospectus  have been  registered  prior to the
filing of the Registration Statement of which this Prospectus is a part.

         The  Company  is listed on the OTC  Bulletin  Board for  trading of its
Common Stock under the symbol "TLGN."

                           ---------------------------

         See "Risk  Factors" on page 6 for a discussion of certain  factors that
should be considered by prospective purchasers of the shares offered hereby.


    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
      SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
          PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
              REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                           ---------------------------

                  The date of this Prospectus is ________, 1998

                                       -2-

<PAGE>


                              AVAILABLE INFORMATION

         The  Company  is  subject  to  the  informational  requirements  of the
Securities  Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and, in
accordance therewith, files reports, proxy statements and other information with
the Securities and Exchange Commission (the "Commission").  Such reports,  proxy
and information  statements and other information may be inspected and copied at
the  public  reference  facilities  maintained  by the  Commission  at 450 Fifth
Street, N.W.,  Washington,  D.C. 20549, and at the following Regional Offices of
the Commission:  New York Regional Office,  Seven World Trade Center,  New York,
New York 10048, and Chicago Regional Office,  500 West Madison Street,  Chicago,
Illinois  60661.  Copies  of such  material  can be  obtained  from  the  Public
Reference Section of the Commission,  450 Fifth Street, N.W.,  Washington,  D.C.
20549 upon payment of the prescribed fees. In addition, the Commission maintains
a Website  (http:\\www.sec.gov)  that contains  reports,  proxy and  information
statements and other information  regarding registrants that file electronically
with the  Commission  through  the  Electronic  Data  Gathering,  Analysis,  and
Retrieval system.

         This Prospectus  constitutes a part of a Registration Statement on Form
S-3 (herein,  together  with all  amendments  and  exhibits,  referred to as the
"Registration  Statement")  filed by the Company with the  Commission  under the
Securities Act of 1933, as amended (the "Securities  Act"). This Prospectus does
not  contain all of the  information  set forth in the  Registration  Statement,
certain parts of which are omitted in accordance  with the rules and regulations
of the Commission.  For further  information with respect to the Company and the
shares  covered  by this  prospectus,  reference  is  made  to the  Registration
Statement. Statements contained herein concerning the provisions of any document
are not  necessarily  complete,  and each such  statement  is  qualified  in its
entirety by reference to the copy of such document filed with the Commission.


                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

         The following  documents  filed by the Company with the  Commission are
hereby  incorporated by reference in this  Prospectus:  (i) the Company's Annual
Report filed on Form 10-K for the fiscal year ended December 31, 1997 filed with
the  Commission  on April  15,  1998 and  amended  on April 30,  1998,  (ii) the
Company's  Quarterly  Report on Form 10-Q for the quarter  ended March 31, 1998,
(iii) the Company's  Report on Form 8-K filed with the Commission on January 15,
1998,  (iv) the Company's  Report on Form 8-K filed with the Commission on March
24, 1998, and (v) the Company's  Report on Form 8-K filed with the Commission on
April 7, 1998.

         All  reports  and other  documents  subsequently  filed by the  Company
pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date
of this Prospectus and prior to the termination of this offering shall be deemed
to be incorporated by reference  herein and to be a part hereof from the date of
filing of such reports and documents. Any statement incorporated herein shall be
deemed to be modified or  superseded  for  purposes  of this  Prospectus  to the
extent  that a statement  contained  herein or in any other  subsequently  filed
document  which  also is or is deemed to be  incorporated  by  reference  herein
modifies or supersedes such  statement.  Any statement so modified or superseded
shall not be deemed,  except as so modified or superseded,  to constitute a part
of the Registration Statement or this Prospectus.

         The Company hereby undertakes to provide without charge to each person,
including  any  beneficial  owner,  to whom a copy of this  Prospectus  has been
delivered,  upon written or oral request of such person, a copy of any or all of
the foregoing documents incorporated herein by reference (other than exhibits to
such documents,  unless such exhibits are specifically incorporated by reference
into such documents). Requests for such documents should be submitted in writing
to  Investor  Relations  at the  Company's  principal  executive  offices at 101
Saginaw Drive, Redwood City, CA 94063 or by telephone at (650) 261-9400.

                           ---------------------------

                                       -3-

<PAGE>


                                   THE COMPANY

         Telegen  Corporation  ("Telegen" or the "Company") is a high technology
company  with  products in  development  in the flat panel  display  market.  At
present, Telegen's only operating business is Telegen Display Laboratories, Inc.
("TDL"),  a California  corporation,  a controlled second tier subsidiary of the
Company  which has  developed a low-cost  flat panel  technology to compete with
other types of flat panel displays.  Telegen Communications Corporation ("TCC"),
a California  corporation and wholly owned subsidiary of the Company, was in the
business of developing and selling products to the  telecommunications  industry
until TCC sold all of its operating business assets on April 1, 1998.  Telegen's
corporate offices are located at 101 Saginaw Road, Redwood City, CA 94063, (650)
261-9400.

         Common Stock and  Warrants  Subscription.  On October 7, 1997,  Telegen
initiated a private  offering  on a  subscription  basis of up to 500,000  units
(each, a "Unit") to accredited investors (the "Unit Investors"), as that term is
defined  in Rule  501(a)  ("Rule  501(a)")  of the  Securities  Act of 1933 (the
"Act"), with a purchase price per Unit of $2.00 (the "Unit Offering"). Each Unit
consisted of (i) one share of Common Stock, (ii) a warrant to purchase one share
of the  Company's  Common Stock at a $0.01 per share  exercise  price  (each,  a
"$0.01  Warrant"),  and (iii) a warrant to purchase  one share of the  Company's
Common Stock at a $4.00 per share exercise  price (each, a "$4.00  Warrant," the
$0.01 Warrants and the $4.00 Warrants are collectively  the  "Warrants").  As of
October 21, 1997 the Unit Offering was fully subscribed.

         Units  purchased  under  the  Unit  Offering  are  subject  to  lock up
provisions which limit the ability of a holder of Common Stock or to sell Common
Stock  received upon exercise of the Warrants.  The purchased  Units are divided
into four (4) equal groups  (each,  a "Group"),  each having a separate  lock-up
period (the "Lock-Up  Period") for the resale of Common Stock  purchased and the
sale of Common Stock upon exercise of the Warrants.  The Lock-Up Period for each
Group  expires on January 1, 1998,  April 1, 1998,  July 1, 1998 and  October 1,
1998, respectively.

         On March 19, 1998,  the Company made available to the Unit Investors an
exchange  offer for the Common Stock held  thereby and received  directly in the
Unit Offering or through exercise of warrants received in the Unit Offering (the
"Exchange  Offer").  Under the Exchange  Offer,  the Unit Investors were offered
convertible  subordinated  promissory  notes  (the"Notes")  for their  shares of
Common  Stock  with a face value  equal to the number of shares of Common  Stock
tendered  under the Exchange  Offer  multiplied  by the five-day  average of the
Company's  closing  trading  prices on the OTC Bulletin Board prior to March 17,
1998 (the "Conversion Price"). The Notes have a one-year term with a six percent
(6%) balloon  interest payment due at the end of the term of the Note. The Notes
are subordinated to all other existing debt of the Company,  both as to interest
payment and upon liquidation.  The Notes are also convertible to Common Stock at
any time by a holder  thereof,  such  number of  shares  of  Common  Stock to be
determined  by  dividing  the amount of face value of the Note  tendered  by the
Conversion  Price and such shares are also  subject to the Lock-Up  Period.  The
Company in its discretion may prepay any portion of principal or interest of the
Notes in cash or stock  subject to a fifteen  (15) day prior  written  notice to
holders  thereof.  Under the Exchange  Offer 875,000 shares of Common Stock were
exchanged for Notes by the Unit Investors, as of the date hereof.

         The Notes are  "restricted  securities" as that term is defined in Rule
144 and this  Registration  Statement  is used to register the issuance of up to
75,000 shares of Common Stock to the holders  thereof upon conversion of $33,315
in face value of the Notes to Common Stock.

         Convertible  Promissory Notes and Warrants.  On April 1, 1998,  Telegen
initiated a private  offering of  Convertible  Promissory  Notes and Warrants to
accredited  investors,  as that term is  defined in Rule  501(a)  (the "Note and
Warrant  Investors"),  pursuant to certain Note and Warrant Purchase Agreements,
(the "Agreements").

                                       -4-

<PAGE>


Under the terms of the Agreements,  the Note and Warrant Investors each received
securities  consisting  of (i) a convertible  promissory  note,  convertible  to
Common  Stock of the  Company  at a $0.38 per  share  conversion  price  (each a
"Convertible Note") and (ii) a warrant to purchase a certain number of shares of
the Company's  Common Stock,  at a $0.38 per share exercise price (each a "$0.38
Warrant"). As of May 7, 1998, the Company sold two (2) Convertible Notes with an
aggregate face value  evidencing  $1,015,532 in  indebtedness  and two (2) $0.38
Warrants  exercisable  for an  aggregate of  2,672,452  shares of the  Company's
Common Stock.

         Each  Convertible  Note has a twelve  (12)  month term from the date of
issuance and carries simple interest at 6% per annum,  payable one year from the
date of  issuance.  The  Company in its  discretion  may  prepay any  portion of
principal or interest of the Convertible  Note in cash subject to a fifteen (15)
day prior written notice to the holder thereof.  The Convertible Note holder may
convert the Convertible Note at any time into Common Stock at a conversion price
of  $0.38,   such  conversion   price  to  be  adjusted  in  a   reorganization,
reclassification,  stock split, or similar transaction. Each $0.38 Warrant has a
two (2)  month  term  from  issuance  and is  immediately  exercisable  from the
issuance date thereof.

         In connection  with placing the  Convertible  Notes and $0.38  Warrants
with the  Note  and  Warrant  Investors,  as  partial  consideration  for  their
services,  R.S.  Kirpalani  received  a  Convertible  Note with a face  value of
$50,000 and an  immediately  exercisable  warrant to purchase  13,158  shares of
Common Stock with a $0.38 per share  exercise  price with an expiration  date of
December 31, 1998 (the "Kirpalani  Warrant") and Capitol Bay Securities received
an immediately  exercisable  warrant to purchase  135,666 shares of Common Stock
with a $0.38 per share  exercise  price and an expiration  date of June 21, 1998
(the "CBS Warrant").  The Kirpalani Warrant and the CBS Warrant are collectively
the "Placement Agent Warrants".

         The  Convertible  Notes,  the $0.38  Warrants and the  Placement  Agent
Warrants  are  "restricted  securities"  as that term is defined in Rule 144 and
this Registration Statement is used to register the issuance of Common Stock, if
any, upon conversion of the  Convertible  Notes to Common Stock and the issuance
of Common Stock upon  exercise of the $0.38  Warrants  and upon  exercise of the
Placement Agent Warrants.

         Nevada  Anderson  Convertible  Promissory  Note.  In August  1997,  the
Company  initiated a private offering on a subscription  basis of 222,222 shares
of its common stock, no par value (the "Common  Stock") to accredited  investors
(the  "Common  Investors"),  as that  term is  defined  in  Rule  501(a)  of the
Securities  Act of 1933, as amended (the "Act"),  at a per-share  price of $2.25
(the "Common  Offering").  As of September 30, 1997,  the Company had closed the
Common Offering and had sold 220,404 shares of Common Stock pursuant thereto.

         Nevada  Anderson,  Inc.  a Nevada  corporation  ("Anderson")  purchased
111,111 shares of Common Stock in the Common  Offering.  In connection  with the
Common  Offering,  Anderson and Three Sons,  LLC, an Arizona  limited  liability
company  ("Three Sons") entered into a Put Call Option  Agreement (the "Put/Call
Agreement").  Under the  Put/Call  Agreement  Three Sons granted to Anderson the
right to sell to Three Sons  111,111  shares of Common  Stock at $2.70 per share
(the "Put"). In addition,  under the Put/Call Agreement Three Sons received from
Anderson the right to purchase from Three Sons 111,111 shares of Common Stock at
$2.70 per share.  Both of these rights terminate upon mutual consent of Anderson
and Three Sons. In connection with the Common Offering,  the Company  guaranteed
Three  Sons' Put  obligation,  beginning  on the date  thirty  (30)  days  after
Anderson's  purchase  of the Common  Stock (the  "Guarantee").  The  Company and
Anderson have agreed to satisfy their  respective  rights and obligations  under
the Put/Call  Agreement and Guarantee under a Satisfaction and Release Agreement
dated May 5, 1998 whereby Anderson would surrender its shares to the Company and
release the Company  from its  obligations  to Anderson  under the  Guarantee in
exchange  for a  convertible  Promissory  Note with a  $300,000  face value (the
"Anderson Note").

                                       -5-

<PAGE>


         Of  the  $300,000  in  principal  of the  Anderson  Note,  $100,000  in
principal must be repaid on June 13, 1998 and thereafter in $50,000 installments
on the 13th day of every month until all the  principal on the Anderson  Note is
paid in full.  The  Anderson  Note can be  repaid in cash or in shares of Common
Stock at the  Company's  election,  the  number  of such  shares  determined  by
dividing the repayment  amount by the Anderson  Conversion  Price.  The Anderson
Conversion  Price is equal to the  average of the closing  market  prices of the
Common  Stock on the five (5) trading  days  immediately  before such  repayment
date.

         The Anderson Note is a "restricted security" as that term is defined in
Rule 144 and this  Registration  Statement  is used to register  the issuance of
Common Stock, if any, to Anderson upon conversion of principal repayments on the
Anderson Note.


                                  RISK FACTORS

         In addition to the other information in this Prospectus,  the following
factors should be considered carefully in evaluating an investment in the shares
of Common Stock offered by this  Prospectus.  The discussion in this  Prospectus
contains  forward-looking  statements that involve risks and uncertainties.  The
Company's  actual results could differ  materially from those discussed  herein.
Factors that could cause or contribute to such differences  include, but are not
limited to, those discussed in "Risk Factors" and "The Company" as well as those
discussed elsewhere in this Prospectus.

Telegen's Capital Needs

         Telegen's  current working  capital is very limited.  The Company has a
limited amount of readily  available  funds to cover  immediate  working capital
needs such as employee  wages,  wage taxes,  social  security  taxes,  and lease
payments. There can be no assurance that the Company will be able to obtain such
funding on acceptable terms, or if at all to meet its immediate capital demands.
If adequate  funds are not  available as  required,  Telegen will not be able to
continue operations.  In connection with the Company's financial condition,  the
Company's  independent  accountants  have  included  in  their  report  for  the
financial  statements  for the  fiscal  year end 1997 an  explanatory  paragraph
related to the Company's ability to continue as a going concern.

           Assuming Telegen can obtain adequate  short-term  capital,  Telegen's
future capital requirements will depend upon many factors,  including the extent
and timing of  acceptance of Telegen's  products in the market,  the progress of
Telegen's research and development,  Telegen's  operating results and the status
of competitive products.  Additionally,  Telegen's general working capital needs
will depend upon numerous factors,  including the progress of Telegen's research
and development  activities,  the cost of increasing Telegen's sales,  marketing
and  manufacturing   activities  and  the  amount  of  revenues  generated  from
operations.  Although  Telegen  believes it will obtain  significant  additional
funding  through  1998,  there can be no assurance  that Telegen will be able to
obtain such funding or that it will not require additional  funding, or that any
additional financing will be available to Telegen on acceptable terms, if at all
to meet its capital demands through 1998. If adequate funds are not available as
required, Telegen's results of operations will be materially adversely affected.
Telegen believes it requires  substantial  capital to complete  development of a
finished  prototype of its flat panel display  technology,  and that  additional
capital will be needed to establish a high volume production  capability.  There
can be no assurance that any  additional  financing will be available to Telegen
on acceptable terms, if at all. If adequate funds are not available as required,
Telegen's  results  of  operations  from  the  flat  panel  technology  will  be
materially adversely affected.

                                       -6-

<PAGE>


History of Telegen Operating Losses; Accumulated Deficit and Minimum Revenues

         Telegen's predecessor,  Telegen Communications Corporation ("TCC"), was
incorporated  in 1990 and  first  shipped  products  in 1991.  Telegen  has been
engaged in lengthy  development  of its products  and has  incurred  significant
operating  losses in every fiscal year since its  inception.  The cumulative net
loss for the period from inception  through March 31, 1998 was  $22,718,761.  In
order  to  become  profitable,  Telegen  must  increase  sales  of its  existing
products,  develop,  commercialize and sustain volume  manufacturing of its flat
panel products,  develop new products for new and existing  markets,  manage its
operating  expenses  and expand  its  distribution  capability.  There can be no
assurance  that Telegen will meet and realize  these  objectives or ever achieve
profitability.

Litigation

         On January 7, 1998, IPC Corporation,  Ltd., Transtech  Electronics Pte.
Ltd.,  and IPC Transtech  Display Pte. Ltd. (the  "Plaintiffs")  filed an action
(the  "Complaint")  in San Mateo  County  Superior  Court  against the  Company,
Telegen Display  Laboratories,  Inc.  ("TDL") and certain former officers and/or
directors  of the  Company.  Plaintiffs  allege that  defendants  made false and
misleading  statements to the Plaintiffs  when the Company sold TDL common stock
for $5,000,000 to the Plaintiffs on or about May 30, 1996. The Complaint alleges
violations  of Cal.  Corp.  Code  ss.ss.  25401,  25501,  fraud and  deceit  and
negligent  misrepresentation.  It seeks rescission of the purchase of TDL common
stock and  restitution  of  $5,000,000,  unspecified  compensatory  and punitive
damages,  interest, costs and attorneys' fees. The Company and TDL recently were
served with the Complaint.  The Company  believes the Complaint is without merit
and intends to defend such matter vigorously.  To the extent the Plaintiffs were
to  succeed  in this  matter,  Telegen's  results of  operations  and  financial
condition would be materially adversely affected.

Telegen's Exposure to Technological and Market Change;  Difficulty in Developing
Flat Panel Technology

         The  market  for   Telegen's   products  is   characterized   by  rapid
technological  change and evolving industry  standards and is highly competitive
with  respect  to  timely  product  innovation.  The  introduction  of  products
embodying new technology and the emergence of new industry  standards can render
existing products obsolete and unmarketable. Telegen's success will be dependent
in part upon its  ability to  anticipate  changes  in  technology  and  industry
standards and to successfully develop and introduce new and enhanced products on
a timely basis. If Telegen is unable to do so,  Telegen's  results of operations
will be materially adversely affected.

         With regard to its flat panel display technology,  there are other more
developed  and accepted flat panel  display  technologies  already in commercial
production  which will compete with  Telegen's  technology.  The Company has not
finished the development of a completed prototype of the HGED flat panel display
technology.  The Company believes it can successfully  scale its HGED flat panel
display technology to 10.5 inch diagonal displays.  At present, the Company does
not believe that  scalability of this  generation of its technology  beyond such
levels is feasible.  However,  the Company does have preliminary design concepts
for a  second  generation  of its  technology  which  might  provide  additional
scalability.  There can be no assurance  that Telegen will be  successful in the
development  of its flat panel  technology  or that Telegen  will not  encounter
technical or other serious difficulties in its development, commercialization or
volume  manufacturing  which would be materially adverse to Telegen's results of
operations.

                                       -7-

<PAGE>


Telegen's Dependence Upon Key Personnel

         Telegen's  future  success  will  depend in  significant  part upon the
continued service of certain key technical and senior management personnel,  and
Telegen's ability to attract,  assimilate and retain highly qualified technical,
managerial and sales and marketing personnel.  Competition for such personnel is
intense,  and there can be no assurance that Telegen can retain its existing key
managerial,  technical or sales and marketing  personnel or that it can attract,
assimilate and retain such employees in the future. The loss of key personnel or
the inability to hire,  assimilate or retain  qualified  personnel in the future
could have a material adverse effect upon Telegen's results of operations.

         Telegen has entered into agreements with each of its executive officers
(as  well  as  all  other  full-time  employees)  that  prohibit  disclosure  of
confidential information to anyone outside of Telegen both during and subsequent
to  employment  and  require   disclosure  and  assignment  to  Telegen  of  all
proprietary  rights to any  ideas,  discoveries  or  inventions  relating  to or
resulting from the officer's work for Telegen.

Flat Panel Competition; Flat Panel Patent(s)

         The market for flat  panel  displays  is  dominated  by major  Japanese
companies  such as Sharp  Electronics,  Toshiba and Sony.  Telegen  expects this
competition to continually increase. There can be no assurance that Telegen will
be able to compete  effectively  against its competitors,  many of whom may have
substantially  greater  financial  resources  than Telegen.  Flat panel displays
manufactured  utilizing AMLCD  technology have been in production for almost ten
(10) years and have proven market acceptance. New technologies,  such as FED and
Color Plasma, are in development by a number of potential  competitors,  some of
whom have greater  financial  resources  than  Telegen.  Telegen does not own or
lease a  manufacturing  facility  for, and has not begun the process of,  volume
manufacturing  of flat panel displays.  There can be no assurance that Telegen's
HGED technology can compete successfully on a cost or display quality basis with
these other  technologies.  Further,  there can be no assurance  that  Telegen's
efforts to obtain patent  protection for its HGED  technology will be successful
or, if patent  protection is obtained,  that  Telegen's  patent(s)  will provide
adequate protection.

Telegen's Need to Develop Marketing Experience

         Telegen has  limited  marketing  experience,  and  expanding  Telegen's
markets will require  significant  expenses,  including  additions to personnel.
There can be no  assurance  that  Telegen  will have all the  capital  resources
necessary  to expand  its  sales and  marketing  operations,  or that  Telegen's
attempts to expand its sales and marketing efforts will be successful.

Intellectual Property

         Telegen  relies on a  combination  of patents,  trade  secret and other
intellectual  property  law,  nondisclosure   agreements  and  other  protective
measures to preserve its rights pertaining to its technology and products.  Such
protection,  however,  may not preclude  competitors  from  developing  products
similar to those of Telegen. In addition,  the laws of certain foreign countries
do not protect Telegen's  intellectual  property rights to the same extent as do
the laws of the United States. There can also be no assurance that third parties
will not assert intellectual  property  infringement claims against Telegen. One
such matter was recently dismissed without prejudice to the Company but there is
no assurance  that more claims will not be initiated  from  litigants  with more
resources than Telegen.  There is no assurance that Telegen will prevail in such
litigation  seeking  damages  or an  injunction  against  the sale of  Telegen's
products  or that  Telegen  will be able to obtain  any  necessary  licenses  on
reasonable terms or at all.

                                       -8-

<PAGE>


Listing of the Company's Stock on the OTC Bulletin Board

         The Company  currently  trades its stock on the OTC Bulletin Board (the
"OTC  BB").  The  OTC  BB  is  a  real-time  electronic  quotation  service  for
over-the-counter securities. The OTC BB is not an automated quotation system and
is characterized by low volume of trading. There is no assurance that the OTC BB
can or will  provide  sufficient  liquidity to holders of the  Company's  Common
Stock.  The Company was trading on the Nasdaq  SmallCap Market until January 22,
1998 and intends to return to it as soon as it meets the listing and maintenance
requirements.  On February 22, 1998,  Nasdaq raised such listing and maintenance
requirements.  There can be no assurance that trading on the OTC BB will provide
investors  with  sufficient  liquidity  for the  purchase and sale of the Common
Stock or that the Company will be able to meet the higher Nasdaq SmallCap Market
("SmallCap") listing and maintenance requirements that have been in effect since
February 22, 1998, in the near future, or if at all, or that if the Company does
meet the SmallCap  requirements  that a broad trading market will develop in the
Common Stock.


                                 USE OF PROCEEDS

         The Company will not receive any proceeds  from the  conversion  of the
Notes by the Security Holders. The Company will receive up to $1,072,085.26 from
the  exercise  of  the  $0.38   Warrants  and  Placement   Agent  Warrants  (the
"Warrants").  The  Company  intends to use the  proceeds of  $1,072,085.26  from
exercise of the Warrants for working capital and general corporate purposes.


                      [THIS SPACE INTENTIONALLY LEFT BLANK]


                                       -9-

<PAGE>


                              PLAN OF DISTRIBUTION

         This Prospectus registers 4,008,446 shares of Common Stock to be issued
upon the  conversion  of the Notes by the  various  security  holders  described
herein and  2,821,276  shares of Common Stock to be issued upon  exercise of the
Warrants by the various security holders described  herein.  For a discussion of
the terms and placement  arrangements,  if any, of such Notes and Warrants,  see
the section entitled "The Company" herein.

         The  Registrant  hereby  represents  that it has furnished the Security
Holders  with  written  material  containing  the  information  required by rule
14a-3(b) under the  securities  and Exchange Act of 1934, as amended,  and items
401, 401 and 403 of Regulation S-K of the Securities Act of 1933, as amended.

         Upon  conversion of the Notes or exercise of the Warrants,  the holders
thereof shall  receive  registered  Common Stock from the Company,  which may be
sold in any one or more transactions on the OTC BB, or any exchange on which the
Common Stock may then be listed in the  over-the-counter  market or otherwise in
negotiated  transactions  or a  combination  of such methods of sale,  at market
prices  prevailing  at the time of sale,  at prices  related to such  prevailing
market prices or at negotiated prices.

         The following  table sets forth as of May 22, 1998 the number of Common
Stock to be issued upon the  Conversion of the Notes or exercise of the Warrants
by the Security Holders.


                                                             Shares of
                                                  Common Stock to be Issued Upon
                                                     Conversion of the Notes or 
        Name of Security Holder                        Exercise of the Warrants
- ------------------------------------------------  -----------------------------

Exercise of Warrants
- --------------------
Denis S.K. Low .................................            1,315,790
Stock Acquisition LLC (1) ......................            1,356,663
R.S. Kirpalani .................................               13,158
Capitol Bay Securities .........................              135,666
                                                            ---------
Sub-Total                                                   2,821,277

Conversion of Notes
- -------------------
Denis S.K. Low .................................            1,315,790
R.S. Kirpalani .................................              131,579
Stock Acquisition L.L.C ........................            1,356,663
Gruber & McBain International ..................               60,000
Lagunitas Partners, L.P. .......................               15,000
Nevada Anderson, Inc. (2) ......................            1,129,416
                                                            ---------
Sub-Total                                                   4,008,448

Total                                                       6,829,725
                                                            =========

- ---------------------------
(1)  The  Company  has  been  informed  by  Stock  Acquisition  LLC  that  Stock
     Acquisition LLC  will transfer such warrant to Eureka Capital Corp., a Hong
     Kong corporation, prior to exercise of such warrant.
(2)  For the  purposes  of  determining  the  numbers of shares to which  Nevada
     Anderson  reasonably could be entitled upon the conversion of the Note, the
     number of shares to be issued was  calculated by dividing the face value of
     $300,000 by a conversion price $0.265624 (as of the date hereof, the lowest
     closing  price  for the  Company's  Common  Stock  in  1998).  The  Company
     anticipates  that based on market prices for the Company's  Common Stock on
     the OTC BB that it will issue  significantly less shares of Common Stock in
     connection with such conversion.


                                  LEGAL MATTERS

         Certain  legal  matters  relating  to the  validity  of the  securities
offered hereby will be passed upon for the Company by Wilson Sonsini  Goodrich &
Rosati, Professional Corporation, Palo Alto, California.

                                      -10-

<PAGE>


                                     EXPERTS

         The consolidated balance sheets of Telegen Corporation and Subsidiaries
as of December 31, 1997 and 1996, and the consolidated statements of operations,
shareholders'  equity/(deficit),  and cash flows for each of the three  years in
the  period  ended  December  31,  1997,   incorporated  by  reference  in  this
Registration Statement from the Form 10-K for the fiscal year ended December 31,
1997,  have been  incorporated  herein in  reliance  on the  report of Coopers &
Lybrand L.L.P., independent accountants,  given on the authority of that firm as
experts in accounting and auditing.

                                      -11-

<PAGE>


================================================================================



                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

Available Information .....................................................    3
Incorporation of Certain Documents by Reference ...........................    3
The Company ...............................................................    4
Risk Factors ..............................................................    6
Use of Proceeds ...........................................................    9
Plan of Distribution ......................................................   10
Legal Matters .............................................................   10
Experts ...................................................................   11

                           ---------------------------

         No dealer,  salesperson or other person has been authorized to give any
information or to make any  representations  other than those  contained in this
Prospectus, and, if given or made, such information and representations must not
be relied upon as having been  authorized by the Company.  This  Prospectus does
not constitute an offer to sell or a solicitation  of an offer to buy the Shares
by  anyone  in any  jurisdiction  in which  such  offer or  solicitation  is not
authorized,  or in which the  person  making  the offer or  solicitation  is not
qualified  to do so, or to any person to whom it is  unlawful to make such offer
or solicitation. Under no circumstances shall the delivery of this Prospectus or
any sale made  pursuant  to this  Prospectus,  create any  implication  that the
information contained in this Prospectus is correct as of any time subsequent to
the date of this Prospectus.


================================================================================



                           ---------------------------


                                     TELEGEN
                                   CORPORATION


                           ---------------------------



                                  Common Stock






                                   PROSPECTUS



                                  _______, 1998


================================================================================


<PAGE>


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


ITEM 14.          OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

         The following table sets forth the various expenses,  all of which will
be paid by the Registrant in connection  with the sale and  distribution  of the
securities being registered,  other than underwriting discounts and commissions,
if any. All of the amounts shown are estimates except the SEC registration fee.



SEC registration fee ............................................        $ 1,088
Legal fees and expenses .........................................        $15,000
Accounting fees and expenses ....................................        $ 5,500
Transfer agent's and registrar's fees and expenses ..............        $ 1,000
Miscellaneous expenses ..........................................        $ 2,412
                                                                         -------
Total ...........................................................        $25,000
                                                                         =======


ITEM 15.          INDEMNIFICATION OF DIRECTORS AND OFFICERS

         Section 317 of the California  Corporations  Code authorizes a court to
award,  or a corporation's  Board of Directors to grant,  indemnity to directors
and officers in terms  sufficiently broad to permit such  indemnification  under
certain  circumstances  for liabilities  (including  reimbursement  for expenses
incurred)  arising under the Securities Act. Article V of the Company's  Amended
Articles of  Incorporation  and Article VI of the Company's  Bylaws  provide for
indemnification  of its directors,  officers,  employees and other agents to the
maximum extent permitted by the California  Corporations Code. In addition,  the
Company  has entered  into  indemnification  agreements  with its  officers  and
directors.

         Insofar as indemnification for liabilities arising under the Securities
Act may be  permitted to  directors,  officers  and  controlling  persons of the
Company  pursuant to the California  Corporation  Law and Bylaws of the Company,
the Company has been informed that in the opinion of the Securities and Exchange
Commission  such  indemnification  is against  public policy as expressed in the
Securities Act and is therefore unenforceable.


ITEM 16.          EXHIBITS


 EXHIBIT
  NUMBER                          DESCRIPTION
  ------                          -----------
   4.2   Form  of  Convertible  Promissory Note issued by the Company to certain
         holders of Common Stock pursuant to certain  Exchange Offer  Agreements
         dated March 24, 1998.+
   4.3   Form  of   Convertible  Promissory  Note  issued by the  Company to the
         investors and to a placement  agent for the Note and Warrant  Financing
         initiated on April 1, 1998.
   4.4   Form  of  $0.38 Warrant to purchase  Common Stock issued by the Company
         to  investors in the Note and Warrant  Financing  initiated on April 1,
         1998.
   4.5   Form  of  $0.38 Warrant to purchase  Common Stock issued by the Company
         to  placement  agents for the Note and Warrant  Financing  initiated on
         April 1, 1998.

                                      II-1

<PAGE>


   4.6   Form  of  Convertible   Promissory  Note  issued   to  Nevada  Anderson
         pursuant to that certain  Satisfaction and Release  Agreement dated May
         5, 1998.
   5.1   Opinion of Wilson Sonsini Goodrich & Rosati, Professional Corporation
  23.1   Consent of Coopers & Lybrand, L.L.P., Independent Accountants
  23.2   Consent of Counsel (included in Exhibit 5.1)
  24.1   Power of Attorney  (included in the signature page herein)
  27.1   Financial Data Schedule+
- ---------------------------
+    Incorporated  by Reference to the  Registrant's  Annual Report on Form 10-K
     for the year ended December 31, 1997 filed with the Commission on April 15,
     1998 and amended on April 30, 1998.


ITEM 17.       UNDERTAKINGS

         The undersigned Registrant hereby undertakes:

         1. To file,  during any period in which offers or sales are being made,
a post-effective amendment to this Registration Statement:

                  a. To include any prospectus  required by Section  10(a)(3) of
the Securities Act;

                  b. To reflect in the  prospectus  any facts or events  arising
after the  effective  date of the  Registration  Statement  (or the most  recent
post-effective  amendment  thereof)  which,  individually  or in the  aggregate,
represent a fundamental  change in the information set forth in the Registration
Statement; and

                  c. To include any  material  information  with  respect to the
plan of distribution not previously  disclosed in the Registration  Statement or
any material change to such information in the Registration Statement.

                     Provided, however, that paragraphs (a) and (b) above do not
apply if the information  required to be included in a post-effective  amendment
by those  paragraphs  is  contained  in  periodic  reports  filed by the Company
pursuant to Section 13 or Section 15(d) of the Securities  Exchange Act of 1934,
as amended  (the  "Exchange  Act") that are  incorporated  by  reference  in the
Registration Statement.

         2.  That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each such  post-effective  amendment shall be deemed to be a new
registration  statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

         3. To remove from  registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering.

         4. That, for purposes of determining any liability under the Securities
Act of 1933, each filing of the  registrant's  annual report pursuant to section
13(a) or  section  15(d) of the  Securities  Exchange  Act of 1934  (and,  where
applicable,  each filing of an employee benefit plan's annual report pursuant to
section 15(d) of the Securities  Exchange Act of 1934) that is  incorporated  by
reference in the registration statement shall be deemed to be a new registration
statement relating to the securities  offered therein,  and the offering of such
securities  at that time shall be deemed to be the  initial  bona fide  offering
thereof.

                                      II-2

<PAGE>


         Insofar as indemnification for liabilities arising under the Securities
Act may be  permitted to  directors,  officers  and  controlling  persons of the
Registrant pursuant to the foregoing  provisions,  or otherwise,  the Registrant
has been advised that in the opinion of the Commission such  indemnification  is
against  public  policy as expressed in the  Securities  Act and is,  therefore,
unenforceable.  In the  event  that a claim  for  indemnification  against  such
liabilities  (other than the payment by the  Registrant of expenses  incurred or
paid by a  director,  officer or  controlling  person of the  Registrant  in the
successful  defense of any  action,  suit or  proceeding)  is  asserted  by such
director,  officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction the question whether such  indemnification  by it is against public
policy as  expressed  in the  Securities  Act and will be  governed by the final
adjudication of such issue.

                                      II-3

<PAGE>


                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant,  Telegen Corporation, a corporation organized and existing under the
laws of the State of California,  certifies  that it has  reasonable  grounds to
believe  that it meets all of the  requirements  for  filing on Form S-3 and has
duly  caused  this  Registration  Statement  to be signed  on its  behalf by the
undersigned,  thereunto duly  authorized,  in the City of Redwood City, State of
California, on this 22nd day of May 1998.


                                                      TELEGEN CORPORATION


                                                      By: /s/ Fred Y. Kashkooli
                                                         -----------------------
                                                         Fred Y. Kashkooli,
                                                         Chief Executive Officer


                                POWER OF ATTORNEY

         Each person whose signature appears below constitutes and appoints Fred
Y. Kashkooli as  attorney-in-fact  for him or her in any and all capacities,  to
sign any amendment to this  Registration  Statement  and to file the same,  with
exhibits  thereto  and  other  documents  in  connection  therewith,   with  the
Securities and Exchange Commission, granting to said attorney-in-fact full power
and  authority  to do and  perform  each and every act and thing  requisite  and
necessary  to be done in  connection  therewith,  as  fully to all  intents  and
purposes  as he or she  might  or  could  do in  person,  hereby  ratifying  and
confirming all that said attorney-in-fact or his substitute or substitutes,  may
lawfully do or cause to be done by virtue hereof.

<TABLE>
         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated:

<CAPTION>
        Signature                                Title                               Date
- ----------------------------        -----------------------------------        -----------------
<S>                                 <C>                                           <C>
/s/ Fred Y. Kashkooli               Chief Executive Officer (principal            May 22, 1998
- ----------------------------        executive, financing and accounting 
    Fred Y. Kashkooli               officer)                            
                                    
/s/ Gilbert F. Decker               Chairman of the Board of Directors            May 22, 1998
- ----------------------------        
    Gilbert F. Decker
                                    Director                                      
- ----------------------------        
    James R. Iverson

/s/ Frederick T. Lezak, Jr.         Director                                      May 22, 1998
- ---------------------------         
    Frederick T. Lezak, Jr.

                                                II-4

<PAGE>


        Signature                                Title                               Date
- ----------------------------        -----------------------------------        -----------------

    /s/ Larry J. Wells              Director                                      May 22, 1998
- ---------------------------
    Larry J. Wells

    /s/ Gregory Bell                Director                                      May 22, 1998
- ---------------------------         
     Gregory Bell

____________________________        Director                                      
   Jessica L. Stevens

____________________________        Director                                      
     Bonnie Crystal
</TABLE>

                                                II-5

<PAGE>


                                INDEX TO EXHIBITS


 EXHIBIT                                                           SEQUENTIALLY
 NUMBER                       DESCRIPTION                          NUMBERED PAGE
 ------                       -----------                          -------------
   4.2   Form  of  Convertible Promissory Note issued by the            --
         Company to certain holders of Common Stock pursuant
         to certain  Exchange Offer  Agreements  dated March
         24, 1998.+
   4.3   Form  of  Convertible Promissory Note issued by the            II-7
         Company to the investors  and to a placement  agent
         for the Note and  Warrant  Financing  initiated  on
         April 1, 1998.
   4.4   Form  of  $0.38  Warrant to purchase  Common  Stock            II-18
         issued by the Company to  investors in the Note and
         Warrant Financing initiated on April 1, 1998.
   4.5   Form  of  $0.38  Warrant to purchase  Common  Stock            II-31
         issued by the Company to  placement  agents for the
         Note and Warrant  Financing  initiated  on April 1,
         1998.
   4.6   Form  of   Convertible  Promissory  Note  issued to            II-35
         Nevada   Anderson    pursuant   to   that   certain
         Satisfaction  and  Release  Agreement  dated May 5,
         1998.
   5.1   Opinion  of  Wilson  Sonsini   Goodrich  &  Rosati,            II-40
         Professional Corporation
   23.1  Consent of Coopers & Lybrand,  L.L.P.,  Independent            II-41
         Accountants
   23.2  Consent of Counsel (included in Exhibit 5.1)                   --
   24.1  Power of Attorney  (included in the signature  page            --
         hereof)
   27.1  Financial Data Schedule+                                       --
- ---------------------------
+    Incorporated  by Reference to the  Registrant's  Annual
     Report on Form  10-K for the year  ended  December  31,
     1997 filed with the  Commission  on April 15,  1998 and
     amended on April 30, 1998.

                            II-6




                       FORM OF CONVERTIBLE PROMISSORY NOTE

THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE  HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES  ACT"). THESE SECURITIES
HAVE BEEN ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH,
THE DISTRIBUTION THEREOF. THESE SECURITIES MAY NOT BE OFFERED, SOLD, PLEDGED, OR
TRANSFERRED  UNLESS (I) A REGISTRATION  STATEMENT UNDER THE SECURITIES ACT IS IN
EFFECT AS TO THESE SECURITIES OR (II) THERE IS AN OPINION OF COUNSEL, REASONABLY
SATISFACTORY TO THE CORPORATION, THAT AN EXEMPTION THEREFROM IS AVAILABLE.

THIS  CONVERTIBLE  PROMISSORY  NOTE IS SUBJECT TO  TRANSFERABILITY  RESTRICTIONS
PURSUANT TO SECTION 7 HEREIN AND SHALL NOT BE  TRANSFERRED BY THE COMPANY UNLESS
THE HOLDER HEREOF COMPLIES  THEREWITH.  ANY ATTEMPTED TRANSFER OF SECURITIES NOT
IN COMPLIANCE WITH SUCH SECTION 7 SHALL BE NULL AND VOID.


                               TELEGEN CORPORATION

                           Convertible Promissory Note

US$___________                                          Redwood City, California
                                                                   _______, 1998

         FOR VALUE  RECEIVED,  TELEGEN  CORPORATION,  a  California  corporation
(together with its successors and assigns,  the  "Company"),  promises to pay to
the order of  ________  (the  "Holder"),  (i) an amount  (the  "Face  Value") of
US$_________plus  (ii) simple  interest  on the unpaid  balance at the time such
interest  is due.  Interest  on this Note  shall be paid at a rate  equal to Six
Percent  (6%) per  annum  and shall be  payable  one year from the date  hereof.
Payment of all amounts due hereunder shall be made by wire transfer,  subject to
adjustment in certain events as more fully set forth in Section 2 herein.

         This Note is issued pursuant to that Certain Note and Warrant  Purchase
Agreement  dated as of ______, 1998 (the  "Agreement"),  between the Company and
the Holder.

         The  following  is a  statement  of the  rights of the  Holder  and the
conditions to which this Note is subject,  to which the Holder, by acceptance of
this Note, hereby agrees:



                                       II-7
<PAGE>



         1.       Repayment Obligation.

                  (a)  Repayment.  The  Company  shall be  required to repay all
principal  and any  outstanding  interest on this Note in full one (1) year from
the date hereof (the "Repayment  Obligation").  The Company shall be entitled to
prepay any portion of the  principal or interest at any time before this Note is
due in full after giving the Holder  fifteen (15) days  written  notice.  During
such period,  the Holder  shall be entitled to convert  this note in  accordance
with Section 2 herein.

                  (b)  Adjustment in Note's Face Value.  Upon any  prepayment by
the Company of this Note,  the Company will on its books and records  reduce the
face value of this Note and send notice of such change to the Holder hereof.  To
the extent the Note 's face value is greater  than zero on the  Company's  books
and records, the Company will upon request by the Holder hereof,  deliver, a new
Note of like tenor in the principal amount remaining on such Note.

         2.       Conversion.

                  (a) Conversion.  Holder shall have the right to convert at any
time, in whole or in part, any portion of  outstanding  principal or interest on
the Note (a "Portion")  to the  Company's  Common Stock by (i) surrender of this
Note, together with (ii) an executed Notice of Conversion,  substantially in the
form of Exhibit A attached hereto, at the Company's  Principal Executive Office.
The number of shares of Common  Stock into which any  Portion  may be  converted
shall be  determined by dividing the dollar amount of such Portion by $0.38 (the
"Conversion  Price").  No fractional shares or scrip  representing  fractions of
shares will be issued on conversion,  and the number of shares issuable shall be
rounded down to the nearest  whole  share.  The shares of Common Stock issued or
issuable upon conversion of this Note are referred to herein as the "Shares."

                  (b) Issuance of Securities on  Conversion.  Conversion of this
Note,  in whole or in part,  shall occur if the Holder  elects to convert  under
Section 2(a) above. Upon exercise of all or part of this Note by the Holder, and
unless a registration  statement  covering the issuance of the underlying Common
Stock is on file with the Commission and currently  effective,  the Holder shall
confirm in writing, by executing the form attached hereto as Exhibit B, that the
shares of Common Stock  purchased  thereby are being  acquired  for  investment,
solely for the Holder's  own account and not as a nominee for any other  Person,
and not with a view toward  distribution or resale. As soon as practicable after
conversion of all or part of this Note, the Company at its expense will cause to
be issued, in the name of and delivered to the Holder at the Holder's registered
address,  a certificate for the number of shares of the Company's  capital stock
to which  the  Holder  shall be  entitled  on such  conversion  and a note  with
identical  terms and  conditions as this Note except that the face value of such
note  shall be for the  outstanding  face  value  of this  Note,  if any,  after
conversion hereof.  Such certificate and such note will bear such legends as may
be required by applicable  state and federal  securities  laws in the opinion of
legal counsel for the Company.

                  (c) Adjustment in Conversion Price. The Conversion Price shall
be  proportionately  adjusted  upon a  reorganization,  reclassification,  which
substantially affects the


                                       II-8
<PAGE>


Company's  entire capital  stock,  or a stock split or similar  transaction  (an
"Adjustment Transaction").  The issuance of additional capital stock, securities
which are convertible to the Company's  capital stock (including but not limited
to  warrants  and  convertible  notes) or the  issuance  of  capital  stock upon
conversion of any such convertible securities shall not constitute an Adjustment
Transaction.

         3.       Restrictions on Transfer.

                  (a) Legends.  Each certificate  representing the Shares may be
endorsed with the following legends, and the Holder may not make any transfer of
any of the Shares  without first  complying  with the  restrictions  on transfer
described in all such legends:

                           (i) The 1933  Securities  Act legend set forth on the
face of this Note.

                           (ii) Any other legends  required by applicable  state
securities laws.

The Company  need not register a transfer of any Shares,  and may also  instruct
its  transfer  agent not to register  the  transfer of such  Shares,  unless the
conditions specified in this Section 3 are satisfied.

                  (b)      Removal of Legend and Transfer Restrictions.

                           (i) Any legend endorsed on a certificate  pursuant to
Section  3(a)(i) and any stop transfer  instructions  with respect to the Shares
evidenced  by such  certificate  shall be removed and the Company  shall issue a
certificate  without  such  legend to the  holder  thereof  if such  Shares  are
registered  upon issuance  under the  Securities  Act, and if such legend may be
properly  removed under the terms of Rule 144  promulgated  under the Securities
Act, or if such holder  provides the Company with an opinion of counsel for such
holder reasonably  satisfactory to legal counsel for the Company,  to the effect
that a  sale,  transfer  or  assignment  of  such  shares  may be  made  without
registration.

                           (ii) Any legend endorsed on a certificate pursuant to
Section 3(a)(ii) and the stop transfer  instructions  with respect to the Shares
evidenced by such certificate shall be removed upon receipt by the Company of an
order of the appropriate state securities authority authorizing such removal.

         4.  Prepayment.  The Company may prepay this Note, in whole or in part,
in accordance with Section 1(a) herein.

         5.       Events of Default; Acceleration.

                  (a) So long as this  Note  is  unpaid,  each of the  following
events will constitute an "Event of Default":


                                       II-9
<PAGE>


                           (i)  default  in  the  payment  of the  principal  or
interest  of this Note as and when the same  shall  become  due and  payable  at
maturity,  by  declaration or otherwise,  and  continuance of such default for a
period of 5 days; or

                           (ii) an involuntary case or other proceeding shall be
commenced  against  the Company  seeking  liquidation,  reorganization  or other
relief  with  respect  to it or  its  debts  under  any  applicable  bankruptcy,
insolvency  or other  similar  law now or  hereafter  in effect,  or seeking the
appointment   of  a  receiver,   liquidator,   assignee,   custodian,   trustee,
sequestrator (or similar official) of the Company or for any substantial part of
the property of the Company or the winding up or  liquidation  of the affairs of
the Company,  and such case or proceeding  shall remain unstayed and undismissed
for a period of 60 days,  or an order for relief  shall be entered  against  the
Company under the federal bankruptcy laws as now or hereafter in effect; or

                           (iii) the Company  shall  commence a  voluntary  case
under  any  applicable  bankruptcy,  insolvency  or  other  similar  law  now or
hereafter  in  effect,  or  consent  to the entry of an order  for  relief in an
involuntary  case under any such law,  or consent to the  appointment  or taking
possession by a receiver, liquidator, assignee, custodian, trustee, sequestrator
(or similar official) of the Company or for any substantial part of the property
of the Company, or the Company shall make any general assignment for the benefit
of  creditors,  or shall fail  generally  to pay its debts as they come due,  or
shall take any corporate action to authorize any of the foregoing; or

                           (iv) failure on the part of the Company to observe or
perform  any of the  covenants  contained  in this Note (other than a failure to
make a payment  specified  in clause  (i)  above)  or in the  Agreement  and the
continuance of such failure for a period of 30 days following  receipt of notice
from the  Holder  specifying  such  covenant  and the  nature  of the  Company's
non-performance.

                  (b) If an Event of Default shall occur, then the Holder may by
notice to the  Company  (a  "Default  Notice"),  so long as the Event of Default
exists,  (i) declare the unpaid principal and accrued interest,  if any, of this
Note immediately due and payable without further presentment,  demand,  protest,
or notice, all of which are hereby waived, and (ii) be entitled from the date of
Event of Default to an additional 2% simple interest on outstanding principal of
this Note.

         6. Notices. Any notice,  request, or other  communications  required or
permitted hereunder shall be in writing and shall deemed to have been duly given
if sent by  facsimile,  or mailed  by  registered  or  certified  mail,  postage
prepaid, or by recognized overnight courier or personal delivery,  addressed (a)
if to the Holder,  to it at the last known address appearing on the books of the
Company  maintained  for such  purpose,  or (b) if to the Company,  to it at 101
Saginaw  Drive,  Redwood City,  California  94063,  attention:  Chief  Executive
Officer, telephone (650) 261-9400,  facsimile (650) 261-9468, with a copy (which
will not  constitute  notice)  to  Thomas C.  DeFilipps,  Esq.,  Wilson  Sonsini
Goodrich & Rosati,  650 Page Mill Road, Palo Alto,  California 94304,  telephone
(650)  493-9300,  facsimile  (650)  493-6811.  Any party hereto may by notice so
given change its address for future notice  hereunder.  All such notices will be
deemed to have been


                                       II-10
<PAGE>


given (i) upon  confirmation  of  delivery,  if sent by  facsimile  or (ii) upon
delivery, if sent by courier or personal delivery.

         7.   Transferability.   With  respect  to  any  offer,  sale  or  other
disposition of any of this Note or the Shares (collectively,  the "Securities"),
the Holder will give written  notice to the Company  prior  thereto,  describing
briefly the manner thereof,  and, if requested by the Company, a written opinion
of  the  Holder's  counsel  to  the  effect  that  such  offer,  sale  or  other
distribution  may be effected without  registration or  qualification  under any
federal  or state  law then in  effect or  necessary  compliance  with any other
transferability  restrictions  relating  thereto . Promptly upon  receiving such
written  notice  and  reasonably  satisfactory  opinion,  if so  requested,  the
Company, as promptly as practicable, shall notify the Holder that the Holder may
sell or  otherwise  dispose  of such  Securities.  Subject  to  compliance  with
applicable  state and federal law and the terms of the notice  delivered  to the
Company,  the Holder may transfer such Securities  only by surrendering  them to
the Company with a duly  executed  Assignment  Form,  substantially  in the form
attached  hereto as  Exhibit C and funds  sufficient  to pay any  transfer  tax,
whereupon the Company will cancel such Securities and execute and deliver one or
more new Securities in the names and amounts  specified in such  instrument and,
if the Holder's entire interest in such Securities is not being assigned, in the
name of the Holder for the balance of such interest,  unless otherwise specified
in the  Assignment  Form.  Any Note issued upon transfer of this Note shall bear
the  legends  on the face of this Note.  All  certificates  representing  Shares
delivered upon transfer of Securities shall bear the legends required by Section
3. If a determination  has been made pursuant to this Section 7 that the opinion
of counsel for the Holder is not  reasonably  satisfactory  to the Company,  the
Company shall so notify the Holder  promptly after such  determination  has been
made. Any attempted transfer of Securities not in compliance with this Section 7
shall be null and void.

         8. Assignment. The rights and obligations of the Company and the Holder
shall  be  binding   upon  and   benefit   the   successors,   assigns,   heirs,
administrators, and transferees of the parties. The Holder may assign his rights
and  obligations  hereunder  subject  to  Sections  3 and 7 of this  Note.  This
provision  shall in no way affect the  restrictions  on  transfer  contained  in
Sections  3 and 7 of this  Note.  The  Company  may not  assign  its  rights and
obligations  hereunder  without  the  written  consent of the Holder  unless the
Company  enters into a merger,  acquisition,  sale of  substantially  all of the
Company's assets or similar change of control transaction.

         9.  Amendment  and  Waiver.  The rights of the Holder may be amended or
waived upon the written consent of the Company and the Holder.

         10. Integration: No Shareholder Rights. The Agreement, this Note, and a
Warrant to Purchase  Common Stock issued to the Holder  constitute  the full and
entire  understanding  and agreement between the parties hereto and thereto with
regard to the subject  matter  hereof and thereof,  and  supersede  any prior or
contemporaneous understandings,  agreements or representations between them that
relate to the subject matter hereof or thereof.  Nothing  contained in this Note
shall be construed as  conferring  upon the Holder or any other person the right
to vote or to  consent  or to  receive  notice as a  shareholder  in  respect of
meetings of shareholders for the election of directors of


                                       II-11
<PAGE>


the Company or any other matters or any rights  whatsoever  as a shareholder  of
the Company; and no dividends or interest shall be payable or accrued in respect
of  this  Note or the  interest  represented  hereby  or the  Shares  obtainable
hereunder  until,  and only to the  extent  that,  this  Note  shall  have  been
converted.

         11.  California  Law. This Note and the  obligations of the Company and
the Holder  hereunder  shall be governed by and construed in accordance with the
laws of the State of California,  as such laws are applied to contracts  between
California   residents  entered  into  and  to  be  performed   entirely  within
California.

         12.  Expenses.  The Company shall  reimburse  reasonable  attorney fees
incurred by the Holder in connection  with the  enforcement  of his rights under
this Note.

         IN WITNESS WHEREOF,  the Company has caused this Note to be executed by
its duly authorized representative on the date first above written.


                                   TELEGEN CORPORATION


                                   By:__________________________________________
                                      Fred Y. Kashkooli, Chief Executive Officer


                                       II-12
<PAGE>


                              SCHEDULE OF EXHIBITS


EXHIBIT A  -    Notice of Conversion (Section 2(a))

EXHIBIT B  -    Investment Representation Certificate (Section 2(b))

EXHIBIT C  -    Assignment Form (Section 7)


                                       II-13
<PAGE>


                                    EXHIBIT A

                             Notice of Exercise Form

                    (To be executed only upon partial or full
                        conversion of the attached Note)


         The  undersigned   registered   Holder  of  the  attached  Note  hereby
irrevocably  converts  $__________  in face  value to  Common  Stock of  Telegen
Corporation at the Conversion Price and on the terms and conditions specified in
the attached Note.

         The  undersigned  requests  that  a  certificate  (or  certificates  in
denominations  of  _________  shares) for the shares of Common  Stock of Telegen
Corporation  hereby  received be issued in the name of and  delivered to (circle
one) (a) the  undersigned  or (b)  __________________,  whose address is and, if
such shares of Common  Stock  shall not  include all the shares of Common  Stock
issuable as provided in the attached Note, that a new Note of like tenor for the
number of shares of Common  Stock of  Telegen  Corporation  not being  purchased
hereunder  be  issued  in the  name of and  delivered  to  (circle  one) (a) the
undersigned    or    (b)    ________________________,     whose    address    is
______________________________________.

Dated: ______________________, 199_


Signature Guaranteed                        ____________________________________

                                            ____________________________________

                                            By: ________________________________
                                                (Signature of Registered Holder)

                                            Title:______________________________


NOTICE:           The signature to this Notice of Exercise must  correspond with
                  the name as  written  upon the  face of the  attached  Note in
                  every  particular,  without  alteration or  enlargement or any
                  change whatever.


                                       II-14
<PAGE>


                                    EXHIBIT B

                      Investment Representation Certificate


Purchaser: _____________________________________________________________________

Company:   Telegen Corporation, a California corporation

Security:  Common Stock

Amount: ________________________________________________________________________

Date: __________________________________________________________________________

         In connection  with the purchase of the  above-listed  securities  (the
"Securities"),  the undersigned (the  "Purchaser")  represents to the Company as
follows:

         (a) The  Purchaser  is  aware of the  Company's  business  affairs  and
financial condition,  and has acquired sufficient  information about the Company
to reach an informed and knowledgeable  decision to acquire the Securities.  The
Purchaser  is  purchasing  the  Securities  for its own account  for  investment
purposes only and not with a view to, or for the resale in connection  with, any
"distribution"  thereof for purposes of the  Securities  Act of 1933, as amended
(the "Securities Act");

         (b) The Purchaser  understands  that the  Securities  may have not been
registered  under the  Securities  Act in  reliance  upon a  specific  exemption
therefor, which exemption depends upon, among other things, the bona fide nature
of the Purchaser's  investment  intent as expressed  herein. In this connection,
the  Purchaser  understands  that,  in the view of the  Securities  and Exchange
Commission  (the  "Commission"),  the statutory  basis for such exemption may be
unavailable  if the  Purchaser's  representation  was  predicated  solely upon a
present  intention to hold these Securities for the minimum capital gains period
specified  under tax statutes,  for a deferred sale, for or until an increase or
decrease in the market price of the  Securities,  or for a period of one year or
any other fixed period in the future;

         (c) The Purchaser further  understands that the Securities must be held
indefinitely unless  subsequently  registered under the Securities Act or unless
an  exemption  from  registration  is  otherwise  available.  In  addition,  the
Purchaser  understands  that the  certificate  evidencing the Securities will be
imprinted with the legend  referred to in the Warrant under which the Securities
are being purchased unless there exists an effective  registration statement for
such securities;

         (d) The Purchaser is aware of the  provisions of Rule 144,  promulgated
under the Securities Act,  which, in substance,  permit limited public resale of
"restricted  securities"  acquired,  directly  or  indirectly,  from the  issuer
thereof (or from an affiliate of such issuer),  in a non-public offering subject
to the satisfaction of certain conditions, if applicable, including, among other
things:  (i) the availability of certain public  information  about the Company;
(ii) the resale occurring not less


                                       II-15
<PAGE>


than one (1) year after the party has purchased  and paid for the  securities to
be sold; (iii) the sale being made through a broker in an unsolicited  "broker's
transaction"  or in  transactions  directly with a market maker (as said term is
defined under the Securities  Exchange Act of 1934) and the amount of securities
being sold during any three-month period not exceeding the specified limitations
stated therein;

         (e) The  Purchaser  further  understands  that at the time it wishes to
sell the  Securities  there may be no public  market  upon  which to make such a
sale, and that, even if such a public market upon which to make such a sale then
exists,  the  Company  may not be  satisfying  the  current  public  information
requirements  of Rule  144,  and  that,  in such  event,  the  Purchaser  may be
precluded  from  selling  the  Securities  under  Rule 144 even if the  one-year
minimum holding period had been satisfied; and

         (f) The  Purchaser  further  understands  that in the  event all of the
requirements  of Rule 144 are not satisfied,  registration  under the Securities
Act, compliance with Regulation A, or some other registration  exemption will be
required; and that, notwithstanding the fact that Rule 144 is not exclusive, the
staff of the Commission has expressed its opinion that persons proposing to sell
private placement  securities other than in a registered  offering and otherwise
than  pursuant  to  Rule  144  will  have  a  substantial  burden  of  proof  in
establishing that an exemption from registration is available for such offers or
sales,  and that such persons and their  respective  brokers who  participate in
such transactions do so at their own risk.

Date: __________________________, 199_


                                                     PURCHASER:

                                                     ___________________________


                                       II-16
<PAGE>


                                    EXHIBIT C

                                 Assignment Form

      (To be executed only upon the assignment of the attached securities)


         FOR VALUE RECEIVED,  the undersigned  registered Holder of the attached
securities  hereby sells,  assigns and transfers unto  ________________________,
whose address is __________________________ all of the rights of the undersigned
under the attached  securities,  with respect to  ___________________  shares of
Common Stock of Telegen Corporation and, if applicable, if such shares of Common
Stock shall not include all the shares of Common  Stock  issuable as provided in
the  attached  Note then a new Note of like  tenor  for the  number of shares of
Common Stock of Telegen Corporation not being transferred hereunder be issued in
the  name of and  delivered  to the  undersigned,  and does  hereby  irrevocably
constitute  and  appoint  attorney  to  register  such  transfer on the books of
Telegen Corporation  maintained for the purpose, with full power of substitution
in the premises.


Dated: _____________________, ____


Signature Guaranteed                        ____________________________________

                                            ____________________________________

                                            By: ________________________________
                                                (Signature of Registered Holder)

                                            Title:______________________________


NOTICE:           The signature to this Assignment must correspond with the name
                  upon the face of the attached  certificate  of Common Stock or
                  Note being surrendered  herewith in every particular,  without
                  alteration or enlargement or any change whatever.


                                     II-17



         THE SECURITIES  EVIDENCED BY THIS  CERTIFICATE HAVE NOT BEEN REGISTERED
         UNDER THE SECURITIES ACT OF 1933, AS AMENDED. NO SALE OR DISPOSITION OF
         SUCH SECURITIES MAY BE EFFECTED  WITHOUT (i) AN EFFECTIVE  REGISTRATION
         STATEMENT  RELATING  THERETO,  OR (ii) AN OPINION  OF  COUNSEL  FOR THE
         HOLDER,  REASONABLY SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATION
         IS NOT REQUIRED.


                               TELEGEN CORPORATION

                                   WARRANT FOR
                                  COMMON STOCK


                              Dated ________, 1998

         This certifies that for value received:

          _________________________________________ (the "Purchaser"),

or registered  assigns,  is entitled,  subject to the terms set forth herein, to
purchase from TELEGEN CORPORATION,  a California corporation (the "Company"), up
to________ fully paid and  non-assessable  shares of the Company's Common Stock,
without par value, at the price of US$0.38 per share. The initial purchase price
of  US$0.38  per  share,  and the number of shares  purchasable  hereunder,  are
subject to  adjustment  in  certain  events,  all as more fully set forth  under
Section 4 herein.

1.       Definitions

         "Commission" means the Securities and Exchange Commission, or any other
federal agency then administering the Securities Act and the Securities Exchange
Act of 1934.

         "Common Stock" means the Company's  Common Stock,  any stock into which
such  stock  shall  have  been   changed  or  any  stock   resulting   from  any
reclassification  of such stock,  and any other  capital stock of the Company of
any class or series  now or  hereafter  authorized  having the right to share in
distributions  either of earnings or assets of the Company  without  limit as to
amount or percentage.

         "Company" means Telegen Corporation, a California corporation,  and any
successor corporation.


                                       II-18
<PAGE>



         "Exercise  Period"  means,  subject  to  Section 5 herein,  the  period
commencing immediately from date hereof and terminating at the earliest to occur
of: (i) 5:00 p.m.,  Pacific Time,  two months from the date hereof,  or (ii) the
time  immediately  prior to the closing of (x) a merger or  consolidation of the
Company with or into  another  entity in which the  shareholders  of the Company
immediately  before such merger or consolidation own less than a majority of the
surviving or resulting entity's outstanding voting stock immediately thereafter,
or (y) a sale of all or substantially all of the Company's assets.

         "Exercise Price" means the price per share of Common Stock set forth in
the preamble  paragraph to this Warrant,  as such price may be adjusted pursuant
to Section 4 hereof.

         "Fair Market  Value"  means the closing sale price or if not  available
then the closing bid price on a given trading day of the Company's  Common Stock
as  reported  on the  electronic  bulletin  board  under the  symbol  TLGN or as
determined by the Company's Board of Directors in good faith, as applicable.

         "Holder"  means the person in whose name this Warrant is  registered on
the books of the Company  maintained for such purpose which  initially  shall be
the Purchaser.

         "Person"  means and includes  natural  persons,  corporations,  limited
partnerships,  general  partnerships,  joint stock  companies,  joint  ventures,
associations,  companies,  trusts, banks, trust companies, land trusts, business
trusts, government entities and authorities and other organizations,  whether or
not legal entities.

         "Principal  Executive Office" means the Company's office at 101 Saginaw
Drive,  Redwood City,  California  94063,  or such other office as designated in
writing to the Holder by the Company.

         "Rule 144" means Rule 144 as promulgated  by the  Commission  under the
Securities  Act, as such Rule may be amended  from time to time,  or any similar
successor rule that the Commission may promulgate.

         "Securities  Act" means the Securities Act of 1933, as amended,  or any
successor  federal  statute,  and the rules and  regulations  of the  Commission
promulgated thereunder, all as the same shall be in effect from time to time.

         "Shareholder" means a holder of one or more Warrant Shares or shares of
Common Stock acquired upon conversion of Warrant Shares.

         "Warrant"  means this Warrant and all warrants  issued upon the partial
exercise,  transfer or division of or in  substitution  for this  Warrant or any
such warrant.

         "Warrant  Shares"  means the shares of Common Stock  issuable  upon the
exercise of this Warrant, provided that if under the terms hereof there shall be
a change such that the securities  purchasable  hereunder  shall be issued by an
entity other than the Company or there shall be a change in the type or class of
securities  purchasable  hereunder,  then the  term  shall  mean the  securities
issuable upon the exercise of the rights granted hereunder.


                                       II-19
<PAGE>


2.       Exercise

         2.1 Exercise Right; Manner of Exercise. The purchase rights represented
by this Warrant may be exercised by the Holder, in whole or in part, at any time
and from time to time  during the  Exercise  Period upon (i)  surrender  of this
Warrant, together with an executed Notice of Exercise, substantially in the form
of  Exhibit A attached  hereto,  at the  Principal  Executive  Office,  and (ii)
payment to the Company of the aggregate Exercise Price for the number of Warrant
Shares  specified in the Notice of Exercise (such  aggregate  Exercise Price the
"Total Exercise Price"). The Total Exercise Price shall be paid by check or wire
transfer.   The  Person  or  Person(s)  in  whose  name(s)  any   certificate(s)
representing the Warrant Shares which are issuable upon exercise of this Warrant
shall be  deemed to become  the  holder(s)  of,  and  shall be  treated  for all
purposes as the record  holder(s)  of, such  Warrant  Shares,  and such  Warrant
Shares  shall be deemed to have been issued,  immediately  prior to the close of
business on the date on which this Warrant and Notice of Exercise are  presented
and  payment  made for  such  Warrant  Shares,  notwithstanding  that the  stock
transfer  books  of the  Company  shall  then be  closed  or  that  certificates
representing  such Warrant  Shares shall not then be actually  delivered to such
Person or Person(s).  Certificates  for the Warrant Shares so purchased shall be
delivered to the Holder  within a reasonable  time. If this Warrant is exercised
in  part  only,  the  Company   shall,   upon  surrender  of  this  Warrant  for
cancellation,  deliver the certificate(s)  representing the Warrant Shares and a
new Warrant  evidencing  the rights of the Holder to purchase the balance of the
Warrant Shares which Holder is entitled to purchase  hereunder.  The issuance of
Warrant Shares upon exercise of this Warrant shall be made without charge to the
Holder for any  issuance  tax (as  opposed to any income tax on the Holder  with
respect to such issuance) with respect thereto or any other cost incurred by the
Company in connection with the exercise of this Warrant and the related issuance
of Warrant Shares.

         2.2 Fractional Shares. The Company shall not issue fractional shares of
Common  Stock  upon  any  exercise  or  conversion  of this  Warrant.  As to any
fractional share of Common Stock which the Holder would otherwise be entitled to
purchase from the Company upon such  exercise,  the Company shall  purchase from
the Holder such  fractional  share at a price equal to an amount  calculated  by
multiplying such fractional share (calculated to the nearest 1/100th of a share)
by the Fair Market Value of a share of Common Stock on the date of the Notice of
Exercise.  Payment of such amount  shall be made in cash or by check  payable to
the  order  of the  Holder  at the  time  of  delivery  of  any  certificate  or
certificates arising upon such exercise or conversion.

         2.3 Reservation of Shares; Validity of Shares. The Company will reserve
and keep  available  for issuance  upon  exercise of this Warrant such number of
shares of Common Stock as shall be sufficient to permit the exercise in whole or
in part of this  Warrant.  Upon an  exercise  of this  Warrant  by the Holder in
compliance  with Section 2.1 above,  all of the shares  issued upon  exercise of
this Warrant shall be duly and validly  issued,  fully paid and  non-assessable,
and free and clear of any liens.

3.       Warrant Records and Transfer

         3.1  Maintenance  of  Record  Books.  The  Company  shall  keep  at the
Principal  Executive  Office a  record  in  which,  subject  to such  reasonable
regulations  as it may  prescribe,  it shall  provide for the  registration  and
transfer of this Warrant. The Company and any Company agent may treat


                                       II-20
<PAGE>


the Person in whose name this Warrant is registered as the owner of this Warrant
for all purposes  whatsoever and neither the Company nor any Company agent shall
be affected by any notice to the contrary.

         3.2      Restrictions on Transfers.

                  (a)  Compliance  with  Securities  Act.  Upon exercise of this
Warrant,  and unless a  registration  statement  covering  the  issuance  of the
underlying Common Stock is on file with the Commission and currently  effective,
the Holder shall confirm in writing,  by executing  the form attached  hereto as
Exhibit B, that the shares of Common Stock purchased  thereby are being acquired
for investment, solely for the Holder's own account and not as a nominee for any
other Person, and not with a view toward distribution or resale.

                  (b) Certificate  Legends.  This Warrant,  all shares of Common
Stock  issued  upon  exercise  of this  Warrant  (unless  registered  under  the
Securities  Act),  shall be stamped or imprinted with a legend in  substantially
the  following  form (in addition to any legends  required by  applicable  state
securities laws):

         THE SECURITIES  EVIDENCED BY THIS  CERTIFICATE HAVE NOT BEEN REGISTERED
         UNDER THE SECURITIES ACT OF 1933, AS AMENDED. NO SALE OR DISPOSITION OF
         SUCH SECURITIES MAY BE EFFECTED  WITHOUT (i) AN EFFECTIVE  REGISTRATION
         STATEMENT  RELATING  THERETO,  OR (ii) AN OPINION  OF  COUNSEL  FOR THE
         HOLDER,  REASONABLY SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATION
         IS NOT REQUIRED.

                  (c)  Disposition  of Warrant or  Shares.  With  respect to any
offer,  sale or other  disposition of this Warrant or any shares of Common Stock
issued upon exercise of this Warrant prior to registration  under the Securities
Act of such shares, the Holder or the Shareholder, as the case may be, agrees to
give  written  notice to the  Company  prior  thereto,  describing  briefly  the
circumstances  thereof,  together  with a written  opinion  of the  Holder's  or
Shareholder's  counsel, to the effect that such offer, sale or other disposition
may be effected without  registration  under the Securities Act or qualification
under any applicable  state  securities laws of this Warrant or such shares,  as
the  case may be,  and  indicating  whether  or not  under  the  Securities  Act
certificates for this Warrant or such shares,  as the case may be, to be sold or
otherwise   disposed  of  require  any  restrictive   legend  as  to  applicable
restrictions  on   transferability  in  order  to  insure  compliance  with  the
Securities  Act.  Promptly upon  receiving  such written  notice and  reasonably
satisfactory opinion, if so requested,  the Company, as promptly as practicable,
shall notify the Holder or the Shareholder, as the case may be, that it may sell
or otherwise  dispose of this Warrant or such shares, as the case may be, all in
accordance  with  the  terms  of  the  notice  delivered  to the  Company.  If a
determination  has been made pursuant to this Section 3.2(c) that the opinion of
counsel for the Holder or the Shareholder, as the case may be, is not reasonably
satisfactory  to the  Company,  the  Company  shall so notify  the Holder or the
Shareholder, as the case may be, promptly after such determination has been made
and  shall  specify  the  legal  analysis   supporting   any  such   conclusion.
Notwithstanding the foregoing,  this Warrant or such shares, as the case may be,
may be  offered,  sold or  otherwise  disposed of in  accordance  with Rule 144,
provided that the Company shall have been furnished with


                                       II-21
<PAGE>


such  information  as the Company may reasonable  request to provide  reasonable
assurance that the provisions of Rule 144 have been satisfied.  Each certificate
representing  this  Warrant or the shares  thus  transferred  (except a transfer
pursuant to Rule 144) shall bear a legend as to the applicable  restrictions  on
transferability in order to insure compliance with the Securities Act, unless in
the aforesaid  reasonably  satisfactory opinion of counsel for the Holder or the
Shareholder, as the case may be, such legend is not necessary in order to insure
compliance  with the  Securities  Act.  The  Company  may  issue  stop  transfer
instructions to its transfer agent in connection with such restrictions.

                  (d) Warrant Transfer Procedure.  Transfer of this Warrant to a
third party, following compliance with the preceding subsections of this Section
3.2,  shall be effected by execution of the Assignment  Form attached  hereto as
Exhibit C, and  surrender of this  Warrant at the  Principal  Executive  Office,
together with funds sufficient to pay any applicable  transfer tax. Upon receipt
of the duly executed  Assignment  Form and the necessary  transfer tax funds, if
any, the Company, at its expense,  shall execute and deliver, in the name of the
designated transferee or transferees,  one or more new Warrants representing the
right to purchase a like aggregate number of shares of Common Stock.

                  (e)  Termination of  Restrictions.  The  restrictions  imposed
under this Section 3.2 upon the transferability of the Warrant and the shares of
Common Stock  acquired  upon the  exercise of this Warrant  shall cease (i) with
respect to the Common Shares  acquired  pursuant to the exercise of this Warrant
only,  if a  registration  statement  covering  the shares of Common Stock to be
issued effective under the Securities Act at the time of such exercise,  or (ii)
if the Company is presented with an opinion of counsel  reasonably  satisfactory
to the Company that such  restrictions are no longer required in order to insure
compliance  with  the  Securities  Act,  or  (iii)  if  such  securities  may be
transferred in accordance with Rule 144(k).  When such  restrictions  terminate,
the Company shall, or shall instruct its transfer agent to, promptly and without
expense  to the  Holder  or the  Shareholder,  as the  case  may be,  issue  new
securities in the name of the Holder and/or the Shareholder, as the case may be,
not bearing  the  legends  required  under  Section  3.2(b).  In  addition,  new
securities  shall be issued without such legends if such legends may be properly
removed under the terms of Rule 144(k).

4.       Antidilution Provisions

         4.1   Reorganization,   Reclassification  or  Recapitalization  of  the
Company.  In  case  of  (i)  a  capital   reorganization,   reclassification  or
recapitalization  of the  Company's  capital  stock  (other  than  in the  cases
referred to in of Section  4.4  hereof),  (ii) the  Company's  consolidation  or
merger  with or  into  another  corporation  in  which  the  Company  is not the
surviving  entity,  or a reverse  triangular  merger in which the Company is the
surviving  entity  but the shares of the  Company's  capital  stock  outstanding
immediately  prior to the merger are  converted,  by virtue of the merger,  into
other property,  whether in the form of securities,  cash or otherwise, or (iii)
the sale or transfer of the Company's  property as an entirety or  substantially
as  an  entirety,   then,  as  part  of  such  reorganization,   reorganization,
recapitalization,  merger,  consolidation,  sale or transfer,  lawful  provision
shall be made so that there shall thereafter be deliverable upon the exercise of
this Warrant or any portion  thereof (in lieu of or in addition to the number of
shares of Common Stock  theretofore  deliverable,  as appropriate),  and without
payment of any additional consideration, the number of shares of stock


                                       II-22
<PAGE>


or other  securities  or property to which the holder of the number of shares of
Common Stock which would  otherwise have been  deliverable  upon the exercise of
this  Warrant  or any  portion  thereof  at the  time  of  such  reorganization,
reclassification,  recapitalization,  consolidation,  merger,  sale or  transfer
would have been  entitled to receive in such  reorganization,  reclassification,
recapitalization,  consolidation,  merger,  sale or  transfer.  This Section 4.1
shall apply to successive reorganizations, reclassifications, recapitalizations,
consolidations,  mergers,  sales and transfers and to the stock or securities of
any other  corporation that are at the time receivable upon the exercise of this
Warrant.  If the  per-share  consideration  payable  to the Holder for shares of
Common Stock in connection with any transaction described in this Section 4.1 is
in a form  other  than  cash or  marketable  securities,  then the value of such
consideration  shall  be  determined  in good  faith by the  Company's  Board of
Directors.

         4.2 Splits and Combinations.  If the Company at any time subdivides any
of its  outstanding  shares of Common  Stock into a greater  number of shares or
declares a stock  dividend,  the Exercise Price in effect  immediately  prior to
such  subdivision  shall be  proportionately  reduced,  and,  conversely  if the
outstanding shares of Common Stock are combined into a smaller number of shares,
the Exercise  Price in effect  immediately  prior to such  combination  shall be
proportionately  increased. Upon any adjustment of the Exercise Price under this
Section 4.2, the number of shares of Common Stock issuable upon exercise of this
Warrant  shall  equal the  number  of  shares  determined  by  dividing  (i) the
aggregate  Exercise  Price payable for the purchase of all shares  issuable upon
exercise  of this  Warrant  immediately  prior  to such  adjustment  by (ii) the
Exercise Price per share in effect immediately after such adjustment.

         4.3 Reclassifications.  If the Company changes any of the securities as
to which  purchase  rights under this Warrant exist into the same or a different
number  of  securities  of any  other  class  or  classes,  this  Warrant  shall
thereafter  represent the right to acquire such number and kind of securities as
would  have been  issuable  as the  result of such  change  with  respect to the
securities  that  were  subject  to  the  purchase  rights  under  this  Warrant
immediately  prior to such  reclassification  or other  change and the  Exercise
Price  therefor shall be  appropriately  adjusted.  No adjustment  shall be made
pursuant  to this  Section  4.3 upon any  conversion  described  in Section  4.1
hereof.

         4.4 Liquidation;  Dissolution. If the Company shall dissolve, liquidate
or wind up its affairs, the Holder shall have the right, but not the obligation,
to  exercise  this  Warrant  effective  as of  the  date  of  such  dissolution,
liquidation  or winding up. If any such  dissolution,  liquidation or winding up
results  in any cash  distribution  to the  Holder in  excess  of the  aggregate
Exercise  Price for the  shares  of Common  Stock  for  which  this  Warrant  is
exercised,  then the Holder may, at its option,  exercise  this Warrant  without
making payment of such  aggregate  Exercise Price and, in such case, the Company
shall, upon distribution to the Holder,  consider such aggregate  Exercise Price
to have been paid in full,  and in making such  settlement to the Holder,  shall
deduct an amount equal to such aggregate  Exercise Price from the amount payable
to the Holder.

5.       Miscellaneous

         5.1 Holder Not a Shareholder.  Prior to the exercise of this Warrant as
hereinbefore  provided, the Holder shall not be entitled to any of the rights of
a  shareholder  of the Company  including,  without  limitation,  the right as a
shareholder (i) to vote on or consent to any proposed


                                       II-23
<PAGE>


action  of  the  Company  or  (ii)  to  receive  (x)   dividends  or  any  other
distributions  made to  shareholders,  (y) notice of or attend any  meetings  of
shareholders  of the  Company,  or (z)  notice of any other  proceedings  of the
Company.

         5.2 Enforcement Costs. If any party to, or beneficiary of, this Warrant
seeks to enforce its rights  hereunder by legal  proceedings or otherwise,  then
the non-prevailing party shall pay all reasonable costs and expenses incurred by
the prevailing party, including,  without limitation,  all reasonable attorneys'
fees (including the allocable costs of in-house counsel).

         5.3 Nonwaiver;  Cumulative Remedies.  No course of dealing or any delay
or failure to exercise any right  hereunder on the part of the Holder and/or any
Shareholder  shall operate as a waiver of such right or otherwise  prejudice the
rights,  powers or  remedies  of the  Holder or such  Shareholder.  No single or
partial  waiver by the Holder  and/or any  Shareholder  of any provision of this
Warrant or of any breach or default  hereunder  or of any right or remedy  shall
operate as a waiver of any other provision,  breach,  default right or remedy or
of the same provision,  breach,  default,  right or remedy on a future occasion.
The rights and  remedies  provided  in this  Warrant are  cumulative  and are in
addition to all rights and remedies  which the Holder and each  Shareholder  may
have in law or in equity or by statute or otherwise.

         5.4 Notices. Any notice,  request, or other communications  required or
permitted hereunder shall be in writing and shall deemed to have been duly given
if sent by  facsimile,  or mailed  by  registered  or  certified  mail,  postage
prepaid, or by recognized overnight courier or personal delivery,  addressed (a)
if to the Holder or a Shareholder,  to it at the last known address appearing on
the books of the Company maintained for such purpose,  or (b) if to the Company,
to it at 101 Saginaw Drive,  Redwood City,  California 94063,  attention:  Chief
Executive Officer,  telephone (650) 261-9400,  facsimile (650) 261-9468,  with a
copy  (which will not  constitute  notice) to Thomas C.  DeFilipps,  Esq.,Wilson
Sonsini  Goodrich & Rosati,  650 Page Mill Road,  Palo Alto,  California  94304,
telephone  (650) 493-9300,  facsimile  (650)  493-6811.  Any party hereto may by
notice so given change its address for future notice hereunder. All such notices
will be deemed to have been given (i) upon confirmation of delivery,  if sent by
facsimile, or (ii) upon delivery, if sent by courier or personal delivery.

         5.5  Successors  and Assigns.  This Warrant shall be binding upon,  the
Company  and any Person  succeeding  the  Company by  merger,  consolidation  or
acquisition of all or substantially all of the Company's assets,  and all of the
obligations  of the Company with respect to the shares of Common Stock  issuable
upon  exercise of this  Warrant,  shall  survive  the  exercise,  expiration  or
termination  of this  Warrant and all of the  covenants  and  agreements  of the
Company  shall inure to the benefit of the Holder,  each  Shareholder  and their
respective successors and assigns.

         5.6      Severability.

                  (a) If, in any  action  before  any  court or  agency  legally
empowered to enforce any term, any term is found to be unenforceable,  then such
term shall be deemed modified to the extent  necessary to make it enforceable by
such court or agency.


                                       II-24
<PAGE>


                  (b) If any term is not curable as set forth in subsection  (a)
above, the  unenforceability  of such term shall not affect the other provisions
of this  Warrant but this Warrant  shall be  construed as if such  unenforceable
term had never been contained herein.

         5.7  Integration.  This Warrant was initially  issued  pursuant to that
certain  Note and Warrant  Purchase  Agreement  among the Company and the Holder
hereof,  entered  into of even date herein (the "Note  Agreement")  and the Note
between the Company and the Holder hereof, entered into of even date herein (the
"Note").  The Note  Agreement,  the Note, and the other  documents  entered into
pursuant thereto,  including,  without limitation,  this Warrant, constitute the
full and entire  understanding  and  agreement  between the  parties  hereto and
thereto with regard to the subject matter hereof and thereof,  and supersede any
prior or contemporaneous  understandings,  agreements or representations between
them that relate to the subject matter hereof or thereof.

         5.8 Waiver and Amendment. Any provision of this Warrant may be amended,
waived, modified or verified, including by way of settlements or otherwise, upon
the   written   consent  of  the   Company   and  the  holders  of  at  least  a
majority-in-interest  of all  outstanding  Warrants  issued pursuant to the Note
Agreement with the same terms hereof.

         5.9 Governing  Law. This Warrant shall be governed by, and construed in
accordance  with,  the laws of the State of  California  applicable to contracts
entered  into  and  to be  performed  wholly  within  California  by  California
residents.

         5.10  Express  Notice of Exercise  Period.  To the extent the  Exercise
Period shall be determined under subsection (ii) of such definition  hereof, the
Company will provide the Holder 15 days prior written notice, and thereafter the
Holder's right to exercise this Warrant shall continue until the  termination of
the Exercise Period.

         IN WITNESS WHEREOF,  the Company has caused this Warrant to be executed
by its duly authorized officer on _________, 1998.


                                  TELEGEN CORPORATION


                                   By: _________________________________________
                                      Fred Y. Kashkooli, Chief Executive Officer


                                       II-25
<PAGE>


                              SCHEDULE OF EXHIBITS


EXHIBIT A  -    Notice of Exercise (Section 2.1)

EXHIBIT B  -    Investment Representation Certificate (Section 3.2(a))

EXHIBIT C  -    Assignment Form (Section 3.2(d))


                                     II-26


<PAGE>


                                    EXHIBIT A

                             Notice of Exercise Form

                    (To be executed only upon partial or full
                        exercise of the attached Warrant)


         The  undersigned  registered  Holder  of the  attached  Warrant  hereby
irrevocably  exercises the attached  Warrant for and purchases  shares of Common
Stock of Telegen  Corporation and herewith makes payment  therefor in the amount
of US$  ________________________,  all  at  the  price  and  on  the  terms  and
conditions specified in the attached Warrant.

         The  undersigned  requests  that a  certificate  (or  _________________
certificates  in  denominations  of shares)  for the  shares of Common  Stock of
Telegen  Corporation  hereby purchased be issued in the name of and delivered to
(circle one) (a) the  undersigned  or (b)  __________________,  whose address is
and, if such  shares of Common  Stock shall not include all the shares of Common
Stock issuable as provided in the attached  Warrant,  that a new Warrant of like
tenor for the number of shares of Common Stock of Telegen  Corporation not being
purchased  hereunder be issued in the name of and  delivered to (circle one) (a)
the   undersigned   or   (b)   ________________________,    whose   address   is
______________________________________.


Dated: _________________________, 199_


Signature Guaranteed                        ____________________________________

                                            ____________________________________

                                            By: ________________________________
                                                (Signature of Registered Holder)

                                            Title:______________________________


NOTICE:           The signature to this Notice of Exercise must  correspond with
                  the name as written upon the face of the  attached  Warrant in
                  every  particular,  without  alteration or  enlargement or any
                  change whatever.




                                     II-27
<PAGE>


                                    EXHIBIT B

                      Investment Representation Certificate


Purchaser:      ________________________________________________________________

Company:        Telegen Corporation, a California corporation

Security:       Common Stock

Amount:         ________________________________________________________________

Date:           ________________________________________________________________

         In connection  with the purchase of the  above-listed  securities  (the
"Securities"),  the undersigned (the  "Purchaser")  represents to the Company as
follows:

         (a) The  Purchaser  is  aware of the  Company's  business  affairs  and
financial condition,  and has acquired sufficient  information about the Company
to reach an informed and knowledgeable  decision to acquire the Securities.  The
Purchaser  is  purchasing  the  Securities  for its own account  for  investment
purposes only and not with a view to, or for the resale in connection  with, any
"distribution"  thereof for purposes of the  Securities  Act of 1933, as amended
(the "Securities Act");

         (b) The Purchaser  understands  that the  Securities  may have not been
registered  under the  Securities  Act in  reliance  upon a  specific  exemption
therefor, which exemption depends upon, among other things, the bona fide nature
of the Purchaser's  investment  intent as expressed  herein. In this connection,
the  Purchaser  understands  that,  in the view of the  Securities  and Exchange
Commission  (the  "Commission"),  the statutory  basis for such exemption may be
unavailable  if the  Purchaser's  representation  was  predicated  solely upon a
present  intention to hold these Securities for the minimum capital gains period
specified  under tax statutes,  for a deferred sale, for or until an increase or
decrease in the market price of the  Securities,  or for a period of one year or
any other fixed period in the future;

         (c) The Purchaser further  understands that the Securities must be held
indefinitely unless  subsequently  registered under the Securities Act or unless
an  exemption  from  registration  is  otherwise  available.  In  addition,  the
Purchaser  understands  that the  certificate  evidencing the Securities will be
imprinted with the legend  referred to in the Warrant under which the Securities
are being purchased unless there exists an effective  registration statement for
such securities;

         (d) The Purchaser is aware of the  provisions of Rule 144,  promulgated
under the Securities Act,  which, in substance,  permit limited public resale of
"restricted  securities"  acquired,  directly  or  indirectly,  from the  issuer
thereof (or from an affiliate of such issuer),  in a non-public offering subject
to the satisfaction of certain conditions, if applicable, including, among other
things:  (i) the availability of certain public  information  about the Company;
(ii) the resale occurring not less



                                     II-28
<PAGE>


than one (1) year after the party has purchased  and paid for the  securities to
be sold; (iii) the sale being made through a broker in an unsolicited  "broker's
transaction"  or in  transactions  directly with a market maker (as said term is
defined under the Securities  Exchange Act of 1934) and the amount of securities
being sold during any three-month period not exceeding the specified limitations
stated therein;

         (e) The  Purchaser  further  understands  that at the time it wishes to
sell the  Securities  there may be no public  market  upon  which to make such a
sale, and that, even if such a public market upon which to make such a sale then
exists,  the  Company  may not be  satisfying  the  current  public  information
requirements  of Rule  144,  and  that,  in such  event,  the  Purchaser  may be
precluded  from  selling  the  Securities  under  Rule 144 even if the  one-year
minimum holding period had been satisfied; and

         (f) The  Purchaser  further  understands  that in the  event all of the
requirements  of Rule 144 are not satisfied,  registration  under the Securities
Act, compliance with Regulation A, or some other registration  exemption will be
required; and that, notwithstanding the fact that Rule 144 is not exclusive, the
staff of the Commission has expressed its opinion that persons proposing to sell
private placement  securities other than in a registered  offering and otherwise
than  pursuant  to  Rule  144  will  have  a  substantial  burden  of  proof  in
establishing that an exemption from registration is available for such offers or
sales,  and that such persons and their  respective  brokers who  participate in
such transactions do so at their own risk.


Date: _____________________________, 199_


                                                 PURCHASER:

                                                 _______________________________


                                     II-29
<PAGE>


                                    EXHIBIT C

                                 Assignment Form

        (To be executed only upon the assignment of the attached Warrant)


         FOR VALUE RECEIVED,  the undersigned  registered Holder of the attached
Warrant hereby sells,  assigns and transfers  unto  ___________________________,
whose address is ______________________________________ all of the rights of the
undersigned under the attached Warrant, with respect to  _______________________
shares of Common  Stock of Telegen  Corporation  and,  if such  shares of Common
Stock shall not include all the shares of Common  Stock  issuable as provided in
the attached Warrant,  then a new Warrant of like tenor for the number of shares
of Common Stock of Telegen Corporation not being transferred hereunder be issued
in the name of and  delivered to the  undersigned,  and does hereby  irrevocably
constitute and appoint  ____________________  attorney to register such transfer
on the books of Telegen Corporation  maintained for the purpose, with full power
of substitution in the premises.


Dated: _____________________, ____


Signature Guaranteed                        ____________________________________

                                            ____________________________________

                                            By: ________________________________
                                               (Signature of Registered Holder)

                                            Title:______________________________


NOTICE:           The signature to this Assignment must correspond with the name
                  upon the face of the  attached  Warrant  in every  particular,
                  without alteration or enlargement or any change whatever.


                                     II-30





                               TELEGEN CORPORATION
                               WARRANT CERTIFICATE

Warrant No.                                    Warrant to Purchase _____________
            -----------------                  Shares of Common Stock


                        WARRANT TO PURCHASE COMMON STOCK

         This Warrant  Certificate  certifies  that  ___________,  or registered
assigns (the "Warrant Holder") is the registered owner of Warrants  ("Warrants")
expiring on_______________,  1998 ( the "Expiration Date"). The Warrant entitles
the  Warrant  Holder  to  purchase  from  Telegen   Corporation,   a  California
corporation,  paid and  non-assessable  the number of shares set forth  above of
Common Stock of the Company ( the "Warrant Shares") at a purchase price of $0.38
per share ( the  "Exercise  Price")  in  lawful  money of the  United  States of
America for the Warrants  represented  hereby upon  surrender  of this  Warrants
Certificate,  with payment to the Exercise Price at the principal  office of the
Company, but only subject to the conditions set forth herein which were approved
and  adopted by the Board of  Directors  of the Company as of April 7, 1998 (the
"Warrant Terms")

         The Warrants and this Warrant  Certificate  are subject to restrictions
on transfer under the Securities Act of 1933, as amended (the "Act"),  and state
securities laws.

THE WARRANT AND THIS WARRANT CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON TRANSFER
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE " ACT"),  AND STATE SECURITIES
LAWS. THIS WARRANT HAS NOT BEEN REGISTERED  UNDER THE ACT AND MAY NOT BE OFFERED
FOR SALE, SOLD, ASSIGNED,  TRANSFERRED,  PLEDGED OR OTHERWISE DISPOSED OF UNLESS
SO REGISTERED OR QUALIFIED UNDER APPLICABLE LAWS OR UNLESS AN EXEMPTION  EXISTS,
THE  AVAILABILITY  OF WHICH IS TO BE ESTABLISHED BY AN OPINION OF COUNSEL (WHICH
OPINION AND COUNSEL SHALL BOTH BE REASONABLY SATISFACTORY TO THE COMPANY).

         The Warrant  Holder may  exercise  the  Warrants by  forwarding  to the
Company  the  Exercise  Price,  multiplied  by  the  number  of  Warrants  being
exercised,  in the form of lawful money of the United  States of America in cash
or by  certified or  cashier's  check or bank draft  payable to the order of the
Company.  Upon any exercise of the Warrant  Certificate  in and amount less than
100% of the Warrant  Shares so  evidenced,  there shall be issued to the Warrant
Holder a new




                                     II-31
<PAGE>


Warrant Certificate  evidencing the number of Warrant Shares not issued pursuant
to such partial exercise.

         No Warrant may be exercised  after 5:00 p.m.,  California  time, on the
Expiration Date. Any Warrant not exercised by such time shall become void.

         The Company may deem and treat the  registered  holder as the  absolute
owner of this Warrant Certificate (not withstanding any notation of ownership or
other writing hereon made by anyone ) for all purposes and the Company shall not
be affected by any notice to the contrary.  No Warrant  Holder,  as such,  shall
have any rights of a shareholder of the Company, either at law or in equity, and
the rights of the Warrant Holder, as such, are limited to those rights expressly
provided in this Warrant Certificate.

         The Company shall not be required to issue  fractions of Warrant Shares
upon the exercise of any Warrants.

         IN WITNESS WHEREOF,  the Company has caused this Warrant Certificate to
be signed by its President.



Dated:__________________________                  TELEGEN Corporation
                                                  a California Corporation


By:____________________________
   Fred Y. Kashkooli, President




                                     II-32
<PAGE>


                              ELECTION TO EXERCISE
                  (TO BE EXECUTED UPON EXERCISE OF THE WARRANT)

         The  undersigned  hereby  irrevocably  elects to  exercise  the  right,
represented  by this Warrant  Certificate,  to  Purchase_____________Shares  and
herewith  tenders in payment for such Shares  $______________in  lawful money of
the  United  States  of  America,  in  accordance  with the  terms  hereof.  The
undersigned  requests that a certificate  representing  the Shares be registered
and delivered as follows:

                 -----------------------------------------------
                                      Name
                 -----------------------------------------------
                                     Address
                 -----------------------------------------------
                         Delivery Address (If Different)


If such number of Shares is less that the aggregate number of Shares purchasable
hereunder,  the undersigned requests that a new Warrant Certificate representing
the balance of such Shares be registered and delivered as follows:


                 -----------------------------------------------
                                      Name
                 -----------------------------------------------
                                     Address
                 -----------------------------------------------
                         Delivery Address (If Different)


__________________________________       _______________________________________
Social Security or Other Taxpayer        Signature
Identification Number of Holder
                                         _______________________________________
                                         Name

                                         _______________________________________
                                         Title


SIGNATURE GUARANTEED:

______________________________




                                     II-33
<PAGE>


                                   ASSIGNMENT

             (TO BE EXECUTED BY THE REGISTERED HOLDER IF SUCH HOLDER
                  DESIRES TO TRANSFER THE WARRANT CERTIFICATE)


         FOR VALUE  RECEIVED,  the undersigned  registered  holder hereby sells,
assigns and transfers unto


                 -----------------------------------------------
                                Name of Assignee

                 -----------------------------------------------
                               Address of Assignee

this Warrant Certificate, together with all right, title and interest therein.


__________________________________       _______________________________________
Social Security or Other Taxpayer        Signature
Identification Number of Holder
                                         _______________________________________
                                         Name

                                         _______________________________________
                                         Title


SIGNATURE GUARANTEED:

______________________________



                                     II-34




THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE  HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES  ACT"). THESE SECURITIES
HAVE BEEN ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH,
THE DISTRIBUTION THEREOF. THESE SECURITIES MAY NOT BE OFFERED, SOLD, PLEDGED, OR
TRANSFERRED  UNLESS (I) A REGISTRATION  STATEMENT UNDER THE SECURITIES ACT IS IN
EFFECT AS TO THESE SECURITIES OR (II) THERE IS AN OPINION OF COUNSEL, REASONABLY
SATISFACTORY TO THE CORPORATION, THAT AN EXEMPTION THEREFROM IS AVAILABLE.

THIS  CONVERTIBLE  PROMISSORY  NOTE IS SUBJECT TO  TRANSFERABILITY  RESTRICTIONS
PURSUANT TO SECTION 7 HEREIN AND SHALL NOT BE  TRANSFERRED BY THE COMPANY UNLESS
THE HOLDER HEREOF COMPLIES  THEREWITH.  ANY ATTEMPTED TRANSFER OF SECURITIES NOT
IN COMPLIANCE WITH SUCH SECTION 7 SHALL BE NULL AND VOID.


                               TELEGEN CORPORATION
                           Convertible Promissory Note


$___________                                            Redwood City, California
                                                            __________ ___, 1998

         FOR VALUE  RECEIVED,  TELEGEN  CORPORATION,  a  California  corporation
(together with its successors and assigns,  the  "Company"),  promises to pay to
the order of Nevada Anderson, Inc., a Nevada corporation (the "Holder"), the sum
of  ______________________________________  ($_________) plus simple interest on
the  unpaid  balance  at the  time  such  interest  is  due.  Interest  on  this
Convertible  Promissory Note (the "Note") shall be paid at a rate equal to Eight
Percent  (8%) per  annum  and will be paid on  January  1,  April 1,  July 1 and
October 1 of each year until this Note is fully paid. Payment of all amounts due
hereunder  shall be made, (i) by check or (ii) in stock at the Company's  option
at an applicable Conversion Price as specified under Section 2(a) herein.

         This  Note is  issued  pursuant  to the  Satisfaction  and  Release  of
Guarantee Agreement dated as of __________, 1998 (the "Agreement"),  between the
Company and the Holder.

         The  following  is a  statement  of the  rights of the  Holder  and the
conditions to which this Note is subject,  to which the Holder, by acceptance of
this Note, hereby agrees:

         1.       Repayment Obligation.

                  (a)    Repayment    Schedule.    The   Company   shall   repay
__________________________  ($____________) in principal on __________ ___, 1998
and at  least  ________________________  ($___________)  in  principal  and  any
outstanding  interest (the  "Repayment  Obligation") on the _______ day of every
month  thereafter and until all principal and any  outstanding  interest on this
Note are paid in full.

                  (b)  Adjustment  in Note's Face Value.  Upon  repayment by the
Company of any Repayment  Obligation,  the Company will on its books and records
reduce the face value of this Note and send  notice of such change to the Holder
hereof.  To the  extent  the Note 's face  value  is  greater  than  zero on the
Company's books and records, the Company will upon request by the Holder hereof,
deliver,  a new Note of like tenor in the  principal  amount  remaining  on such
Note.



                                     II-35
<PAGE>


         2.       Conversion.

                  (a) Conversion.  The "Conversion Price" shall mean the average
of the closing  market  prices of the Common  Stock of the Company  (the "Common
Stock") on the five (5) trading days immediately  before the applicable due date
for the Company's  Repayment  Obligation  under Section 1 herein.  The number of
shares of Common Stock into which any Repayment Obligation may be converted into
shall be determined by dividing the dollar amount at such  Repayment  Obligation
by the applicable  Conversion Price. No fractional shares or scrip  representing
fractions  of  shares  will be issued on  conversion,  but the  number of shares
issuable shall be rounded down to the nearest whole share.  The shares of Common
Stock issued or issuable upon  conversion of this Note are referred to herein as
the "Shares."

                  (b) Issuance of Securities on  Conversion.  Conversion of this
Note,  in whole or in part,  shall  occur if the  Company  elects  to repay  its
Repayment  Obligations  in stock.  Upon such election the Holder hereof shall be
notified of such  election and shall  execute any  documents  deemed  reasonably
necessary by the Company to effect the issue and sale of the capital stock to be
received  by the Holder upon  conversion  of this Note.  As soon as  practicable
after  conversion  of all or part of this Note,  the Company at its expense will
cause to be issued,  in the name of and  delivered to the Holder at the Holder's
registered  address,  a  certificate  for the number of shares of the  Company's
capital  stock to which the Holder  shall be entitled on such  conversion.  Such
certificate  will bear such legends as may be required by  applicable  state and
federal securities laws in the opinion of legal counsel for the Company.

         3.       Restrictions on Transfer.

                  (a) Legends.  Each certificate  representing the Shares may be
endorsed with the following legends, and the Holder may not make any transfer of
any of the Shares  without first  complying  with the  restrictions  on transfer
described in all such legends:

                           (i) The 1933  Securities  Act legend set forth on the
face of this Note.

                           (ii) Any other legends required by applicable state
securities laws.

The Company  need not register a transfer of any Shares,  and may also  instruct
its  transfer  agent not to register  the  transfer of such  Shares,  unless the
conditions specified in this Section 3 are satisfied.

                  (b) Removal of Legend and Transfer Restrictions.

                           (i) Any legend endorsed on a certificate  pursuant to
Section  3(a)(i) and any stop transfer  instructions  with respect to the Shares
evidenced  by such  certificate  shall be removed and the Company  shall issue a
certificate  without  such  legend to the  holder  thereof  if such  Shares  are
registered  upon issuance  under the  Securities  Act, and if such legend may be
properly  removed under the terms of Rule 144  promulgated  under the Securities
Act, or if such holder  provides the Company with an opinion of counsel for such
holder reasonably  satisfactory to legal


                                     II-36
<PAGE>


counsel for the Company,  to the effect that a sale,  transfer or  assignment of
such shares may be made without registration.

                           (ii) Any legend endorsed on a certificate pursuant to
Section 3(a)(ii) and the stop transfer  instructions  with respect to the Shares
evidenced by such certificate shall be removed upon receipt by the Company of an
order of the appropriate state securities authority authorizing such removal.

         4.  Prepayment.  The Company may prepay this Note, in whole or in part,
without the written consent of the Noteholder.

         5.       Events of Default; Acceleration.

                  (a) So long as this  Note  is  unpaid,  each of the  following
events will constitute an "Event of Default":

                           (i)  default  in  the  payment  of the  principal  or
interest  of this Note as and when the same  shall  become  due and  payable  at
maturity,  by  declaration or otherwise,  and  continuance of such default for a
period of 30 days; or

                           (ii) an involuntary case or other proceeding shall be
commenced  against  the Company  seeking  liquidation,  reorganization  or other
relief  with  respect  to it or  its  debts  under  any  applicable  bankruptcy,
insolvency  or other  similar  law now or  hereafter  in effect,  or seeking the
appointment   of  a  receiver,   liquidator,   assignee,   custodian,   trustee,
sequestrator (or similar official) of the Company or for any substantial part of
the property of the Company or the winding up or  liquidation  of the affairs of
the Company,  and such case or proceeding  shall remain unstayed and undismissed
for a period of 60 days,  or an order for relief  shall be entered  against  the
Company under the federal bankruptcy laws as now or hereafter in effect; or

                           (iii) the Company  shall  commence a  voluntary  case
under  any  applicable  bankruptcy,  insolvency  or  other  similar  law  now or
hereafter  in  effect,  or  consent  to the entry of an order  for  relief in an
involuntary  case under any such law,  or consent to the  appointment  or taking
possession by a receiver, liquidator, assignee, custodian, trustee, sequestrator
(or similar official) of the Company or for any substantial part of the property
of the Company, or the Company shall make any general assignment for the benefit
of  creditors,  or shall fail  generally  to pay its debts as they come due,  or
shall take any corporate action to authorize any of the foregoing; or

                           (iv) failure on the part of the Company to observe or
perform  any of the  covenants  contained  in this Note (other than a failure to
make a payment  specified  in clause  (i)  above)  or in the  Agreement  and the
continuance of such failure for a period of 60 days following  receipt of notice
from the  Holder  specifying  such  covenant  and the  nature  of the  Company's
non-performance.

                  (b) If an Event of Default shall occur, then the Holder may by
notice to the  Company  (a  "Default  Notice"),  so long as the Event of Default
exists, declare the unpaid principal


                                     II-37
<PAGE>


and accrued  interest,  if any, of this Note immediately due and payable without
further presentment, demand, protest, or notice, all of which are hereby waived.

         6. Notices. Any notice,  request, or other  communications  required or
permitted hereunder shall be in writing and shall deemed to have been duly given
if sent by  facsimile,  or mailed  by  registered  or  certified  mail,  postage
prepaid, or by recognized overnight courier or personal delivery,  addressed (a)
if to the Holder,  to it at the last known address appearing on the books of the
Company  maintained  for such  purpose,  or (b) if to the Company,  to it at 101
Saginaw  Drive,  Redwood City,  California  94063,  attention:  Chief  Executive
Officer, telephone (650) 261-9400,  facsimile (650) 261-9468, with a copy (which
will not constitute notice) to Thomas C. DeFilipps, Esq.,Wilson Sonsini Goodrich
& Rosati,  650 Page Mill Road,  Palo Alto,  California  94304,  telephone  (415)
493-9300,  facsimile  (415)  493-6811.  Any party  hereto may by notice so given
change its address for future notice hereunder.  All such notices will be deemed
to have been given (i) upon confirmation of delivery, if sent by facsimile, (ii)
three days after  deposit in the U.S.  mails (as  determined by reference to the
postmark),  if sent by mail,  or (iii)  upon  delivery,  if sent by  courier  or
personal delivery.

         7.   Transferability.   With  respect  to  any  offer,  sale  or  other
disposition of any of this Note or the Shares (collectively,  the "Securities"),
the Holder will give written  notice to the Company  prior  thereto,  describing
briefly the manner thereof,  and, if requested by the Company, a written opinion
of  the  Holder's  counsel  to  the  effect  that  such  offer,  sale  or  other
distribution  may be effected without  registration or  qualification  under any
federal or state law then in effect. Promptly upon receiving such written notice
and reasonably  satisfactory opinion, if so requested,  the Company, as promptly
as  practicable,  shall  notify the Holder that the Holder may sell or otherwise
dispose of such  Securities.  Subject to compliance  with  applicable  state and
federal law and the terms of the notice delivered to the Company, the Holder may
transfer such Securities  only by  surrendering  them to the Company with a duly
executed  instrument of assignment in form satisfactory to the Company and funds
sufficient  to pay any  transfer  tax,  whereupon  the Company  will cancel such
Securities  and execute and deliver one or more new  Securities in the names and
amounts  specified in such  instrument  and, if the Holder's  entire interest in
such Securities is not being assigned, in the name of the Holder for the balance
of such  interest.  Any Note  issued  upon  transfer of this Note shall bear the
legend on the face of this Note. All certificates  representing Shares delivered
upon transfer of Securities  shall bear the legends  required by Section 3. If a
determination  has been made  pursuant  to this  Section 7 that the  opinion  of
counsel  for the  Holder is not  reasonably  satisfactory  to the  Company,  the
Company shall so notify the Holder  promptly after such  determination  has been
made. Any attempted transfer of Securities not in compliance with this Section 7
shall be null and void.

         8. Assignment. The rights and obligations of the Company and the holder
shall  be  binding   upon  and   benefit   the   successors,   assigns,   heirs,
administrators,  and transferees of the parties.  This provision shall in no way
affect the restrictions on transfer contained in Sections 3 and 7 of this Note.

         9.  Amendment  and  Waiver.  The rights of the Holder may be amended or
waived upon the written consent of the Company and the Holder.


                                     II-38
<PAGE>

         10.  Integration;  No Shareholder  Rights.  The Agreement and this Note
constitute the full and entire  understanding  and agreement between the parties
hereto and thereto with regard to the subject  matter  hereof and  thereof,  and
supersede   any  prior  or   contemporaneous   understandings,   agreements   or
representations  between  them  that  relate  to the  subject  matter  hereof or
thereof.  Nothing  contained in this Note shall be construed as conferring  upon
the  Holder or any other  person  the right to vote or to  consent or to receive
notice as a shareholder in respect of meetings of shareholders  for the election
of directors of the Company or any other  matters or any rights  whatsoever as a
shareholder  of the Company;  and no  dividends or interest  shall be payable or
accrued in respect of this Note or the interest represented hereby or the Shares
obtainable  hereunder  until,  and only to the extent that, this Note shall have
been converted.

         11.  California  Law. This Note and the  obligations of the Company and
the Holder  hereunder  shall be governed by and construed in accordance with the
laws of the State of California,  as such laws are applied to contracts  between
California   residents  entered  into  and  to  be  performed   entirely  within
California.

         IN WITNESS WHEREOF,  the Company has caused this Note to be executed by
its duly authorized representative on the date first above written.


                                                 TELEGEN CORPORATION


                                                  By: __________________________

                                                  Title: _______________________


                                     II-39



                                                                     Exhibit 5.1


                                  May 22, 1998


Telegen Corporation
101 Saginaw Drive
Redwood City, California 94063

         RE: Registration Statement on Form S-3

Ladies and Gentlemen:

         We have examined the registration  statement on Form S-3 to be filed by
you with the Securities  and Exchange  Commission on or about May ___, 1998 (the
"Registration  Statement"),  in  connection  with  the  registration  under  the
Securities  Act of 1933,  for the issuance of  6,829,725  shares of common stock
upon  exercise of certain  Warrants  and upon  conversion  of certain  Notes (as
defined  in the  Registration  Statement)  (the  "Conversion  Shares").  As your
counsel,  we have  examined the  transactions  taken and proposed to be taken in
connection with the issuance of the Conversion Shares to the Security Holders in
the manner set forth in the Registration Statement.

         It is our  opinion  that the  Conversion  Shares  will be  legally  and
validly issued, fully paid and nonassessable.

         We consent to the use of this opinion as an exhibit to the Registration
Statement,  and further consent to the use of our name wherever appearing in the
Registration  Statement,  including the Prospectus  constituting a part thereof,
and any amendment thereto.


                                        Very truly yours,

                                        /s/ Wilson Sonsini Goodrich & Rosati
                                        --------------------------------------
                                        Wilson Sonsini Goodrich & Rosati
                                        Professional Corporation


                                     II-40



                                                                    Exhibit 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We consent to the  incorporation by reference in the  registration  statement of
Telegen  Corporation and  Subsidiaries on this Form S-3 (dated May 22,  1998) of
our report dated April 14,  1998,  on our audits of the  consolidated  financial
statements of Telegen  Corporation and  Subsidiaries as of December 31, 1997 and
1996, and for the years ended December 31, 1997, 1996, and 1995, which report is
included in the Annual  Report on Form 10-K. We also consent to the reference to
our firm under the caption "Experts".

/s/ COOPERS & LYBRAND L.L.P.
- ----------------------------
Sacramento, California
May 22, 1998



                                     II-41



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