Document:

THIS NOTE AND THE SHARES OF COMMON STOCK  ACQUIRABLE ON  CONVERSION  HEREOF HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE
SOLD, OFFERED FOR SALE,  HYPOTHECATED OR OTHERWISE TRANSFERRED IN THE ABSENCE OF
SUCH  REGISTRATION OR AN OPINION OF COUNSEL,  WHICH COUNSEL AND OPINION SHALL BE
SATISFACTORY TO THE CORPORATION, THAT SUCH REGISTRATION IS NOT REQUIRED.

                       SECURED CONVERTIBLE PROMISSORY NOTE

$1,150,000.00                                        Arlington Heights, Illinois
                                                              November ___, 2004

         FOR VALUE RECEIVED, TECHALT, INC., a Nevada corporation, formerly known
as Dendo Global Corporation (the  "Corporation"),  agrees and promises to pay to
Services By Desigawise,  Ltd. (the "Holder"), the sum of One Million One Hundred
Fifty Thousand and no/100 Dollars  ($1,150,000.00),  together with interest from
the date hereof on the principal  amount from time to time  remaining  unpaid as
provided below. Payment for all amounts due hereunder shall be made to Holder at
5250 Cleveland Street, Skokie, IL 60077.

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

      1.    Interest/Debt Service/Pre-Payment/Acceleration.

            1.1  Interest.  The  unpaid  principal  amount  from  time  to  time
      outstanding  shall bear  interest  commencing  from November 1, 2004 until
      paid at a rate equal to the sum of five  percent  (5%) per year.  Interest
      shall be computed for the actual  number of days elapsed on the basis of a
      year of 365 days.  All past due principal and interest shall bear interest
      until paid at twelve  percent (12%) per annum.  All payments made pursuant
      to this Note shall be applied  first to accrued  and unpaid  interest  and
      then to the unpaid principal balance of this Note.

            1.2.  Interest  and  Principal  Payment  Terms.  Except as otherwise
      provided herein,  during the term of this Note, interest only shall be due
      and payable quarterly on the first (1st) Business Day of each March, June,
      September,  and  December  with the first  payment of interest  commencing
      March 1, 2005.  For purposes of this Note,  "Business  Day" shall mean any
      day on  which  commercial  banks  are  open  to do  business  in  Chicago,
      Illinois.  All interest and principal sums due under this Note are payable
      not later  than 5:00 P.M.,  Chicago  time,  in legal  tender of the United
      States  of  America  current  on the  dates  such  sums  or  payments  are
      respectively due.

            1.3. First Installment Date. On the date which is twelve (12) months
      from the  "Closing" (as defined in the  Settlement  Agreement of even date
      among the Corporation,  Holder and others) ("First Installment Date"), the
      principal  amount  of  Six  Hundred  Fifty  Thousand  and  00/100  Dollars
      ($650,00.00), ("First Principal Payment") together with accrued but unpaid
      interest, shall be due and payable.

                                       1
<PAGE>

            1.4.  Final  Installment  Date.  On  the  date  twelve  (12)  months
      following the First Installment  Date, (the "Final Due Date"),  the entire
      unpaid  principal amount and all accrued but unpaid interest shall be paid
      in full.

            1.5. Prepayment. The Corporation may at its option from time to time
      prepay  this Note in whole or in part,  without  any  prepayment  penalty.
      Notwithstanding  anything  to  the  contrary  contained  herein,  no  such
      prepayment,  whether  in  whole  or in  part,  shall  extinguish  Holder's
      conversion rights hereunder.

            1.6. Acceleration.

            (a) Notwithstanding  anything contained herein to the contrary,  and
      in accordance with this Section 1.6, the Corporation's payment obligations
      hereunder may  accelerate as set forth in Section 1.6(b) below in whole or
      in part at Holder's  option upon the receipt by the Corporation of cash or
      cash  equivalents  from any source after the date hereof from the purchase
      of equity  securities  of the  Corporation,  whether in the form of common
      stock  or  preferred  stock,  or the  purchase  of any  security  which is
      convertible to or  exerciseable  or otherwise  exchangeable  for an equity
      security of the Corporation,  ("Additional  Capital").  Additional Capital
      shall include cash or cash  equivalents  received by the Corporation  upon
      the exercise of the Sunrise  Investors'  Warrants to purchase an aggregate
      of eight million  (8,000,000) shares of the Common Stock of the Company at
      an exercise price of $1.00 per share, subject to adjustment.

            (b) Upon the  receipt by the  Corporation  of an  aggregate  of Four
      Million and no/100 Dollars  ($4,000,000.00)  or more of Additional Capital
      (the "Initial Acceleration Additional Capital") the Holder may require the
      Initial  Acceleration  in  the  payment  of  the  outstanding  balance  of
      principal and accrued interest in a percentage  calculated by dividing the
      Initial Acceleration  Additional Capital by eight million (8,000,000).  In
      the event that the Corporation shall receive  Additional Capital after the
      Holder has exercised the right to make an Initial Acceleration, the Holder
      shall be  entitled  to  accelerate  the  payment  of the then  outstanding
      balance of principal and accrued interest in accordance with the following
      schedule:

              Amount of Additional Capital              Percentage of Remaining
              In Excess of Initial Acceleration         Note Principal Balance
              Additional Capital                        Subject to Acceleration

                      $1,000,000                                  33%
                       2,000,000                                  66%
                       3,000,000                                 100%

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<PAGE>

            2. Convertible  Note. This Note is a convertible  note,  convertible
      into common equity of the  Corporation as set forth herein and is given in
      connection  with the  settlement  of  certain  litigation  between,  among
      others, the Corporation and the Holder.

            3. Events of Default;  Consequences.  If any of the events specified
      in this  Section 3 shall  occur  (herein  individually  referred  to as an
      "Event of Default"),  the Holder of this Note may, at the Holder's option,
      in  addition  to any other  rights the Holder may have in equity or at law
      and in addition to the Holder's  rights of  conversion  under Section 7 of
      this Note as to all or any part of the principal and interest then due and
      owing,  declare this Note  mature,  and all sums owing hereon shall be due
      and payable immediately without presentment,  protest,  demand,  notice of
      intention to accelerate,  notice of  acceleration,  notice of non-payment,
      notice of protest,  or other  notice of any kind,  all of which are hereby
      expressly waived by the Corporation:

                  (a)  the  failure  to pay  any  installment  of  principal  or
            interest due under this Note, which failure is not cured within five
            (5) business days after notice of such breach.

                  (b) the  institution  by the  Corporation of proceedings to be
            adjudicated  as  bankrupt  or  insolvent,  or the  consent  by it to
            institution  of bankruptcy or insolvency  proceedings  against it or
            the  filing  by  it of a  petition  or  answer  or  consent  seeking
            bankruptcy  reorganization  or  release  under any  statute,  law or
            regulation,  or the consent by it to the filing of any such petition
            or the appointment of a receiver,  liquidator,  assignee, trustee or
            other similar  official of the  Corporation,  or of any  substantial
            part of its property,  or the making by it of an assignment  for the
            benefit  of  creditors,  or the  taking of  corporate  action by the
            Corporation in furtherance of any such action; or

                  (c) if,  within sixty (60) days after the  commencement  of an
            action against the Corporation (and service of process in connection
            therewith on the  Corporation)  seeking any bankruptcy,  insolvency,
            bankruptcy  reorganization,   liquidation,  dissolution  or  similar
            relief under any present or future statute, law or regulation,  such
            action shall not have been resolved in favor of the  Corporation  or
            all orders or proceedings thereunder affecting the operations or the
            business of the Corporation stayed, or if the stay of any such order
            or proceeding  shall  thereafter be set aside,  or if, within ninety
            (90) days after the appointment  without the consent or acquiescence
            of the  Corporation  of any trustee,  receiver or  liquidator of the
            Corporation or of all or any  substantial  part of the properties of
            the Corporation, such appointment shall not have been vacated; or

                  (d) The Corporation's breach of any representation,  warranty,
            obligation,  undertaking  or  covenant  made or entered  into herein
            which breach is not cured in accordance  with the provisions of this
            Agreement.

                  (e)  The  Corporation  shall  fail  to make  any  payment  due
            (whether by scheduled maturity,  required prepayment,  acceleration,
            demand or otherwise) on any other debt to a third party in excess of
            $50,000  (except due to a bona fide vendor dispute) and such default
            shall continue unremedied for thirty (30) days.

                  (f) Any  consolidation  or merger or like  transaction  of the
            Corporation  with or into any other  corporation  or other entity or
            person,   or  any  other  corporate   reorganization  in  which  the
            Corporation  shall not be the continuing or surviving entity in such
            consolidation,  merger or reorganization,  any transaction or series
            of related transactions by or affecting the Corporation in which the
            right to control  securities  possessing  in excess of fifty percent
            (50%)  of  the  voting  power  of  all  Corporation   securities  is
            transferred  (calculated  on a fully  diluted basis giving effect to
            conversion or exercise of all  instruments  or securities  entitling
            the  holder  to  convert  into or to  receive  common  stock  or its
            equivalent (including this Note)), a dissolution of the Corporation,
            or a sale, transfer or other disposition of all or substantially all
            of the assets of the Corporation ("Change of Control").

                                       3
<PAGE>

      4. No Setoff, Etc. The obligations of the Corporation to pay the principal
balance and interest due to the Holder shall be absolute and  unconditional  and
the  Corporation  shall  make such  payment  without  abatement,  diminution  or
deduction regardless of any cause or circumstances whatsoever including, without
limitation,   any  defense,  setoff,   recoupment,  or  counterclaim  which  the
Corporation may have or assert against the Holder or any other person under this
Note or under any of the Related Agreements.

      5. Waiver of Presentment, Etc. The Corporation waives presentment, demand,
notice of dishonor, protest and notice of nonpayment and protest.

      6. Costs of Collection.  The Corporation  shall pay all costs and expenses
of collection incurred by the Holder,  including  reasonable  attorneys' fees in
the event that a court of law has  determined  that the Holder is the prevailing
party.

      7. Conversion.

            7.1  Conversion.  The  Holder  of this  Note has the  right,  at the
Holder's  option,  at any one time or from  time to time from and after the date
hereof to convert this Note, on demand as follows:

            7.1.a.  Subject to the procedures provided in Section 7.2 below, the
      Holder  may at any time  prior to 5:00 p.m.,  Chicago  time,  on the First
      Installment Date, convert any part or all of the original principal amount
      of  this  Note  into   fully  paid  and   non-assessable   shares  of  the
      Corporation's  common stock,  with $.001 par value per share, (the "Common
      Stock"), on the basis of one (1) share of Common Stock for each One Dollar
      ($1.00) (the "Conversion Price") of the principal amount of this Note. The
      Conversion Price and the corresponding number of shares of Common Stock to
      be issued upon the  conversion of this Note shall be subject to adjustment
      from time to time upon the  occurrence of certain  events,  as provided in
      this Note.  The prepayment of this Note, in whole or in part prior to 5:00
      p.m.,  Chicago  time of the First  Installment  Date  shall not reduce the
      amount of this Note which may be converted into Common Stock in accordance
      with the Section 7.1.a.

            7.1.b.  After  the  First  Installment  Date,  and  subject  to  the
      procedures provided in Section 7.2 below, the Holder may at any time prior
      to the later to occur of twelve  (12) months  after the First  Installment
      Date or the payment in full of all  principal due on this Note convert any
      part or all of the  original  principal  amount in an amount  which is the
      greater of the amount of principal not yet paid and $500,000,  into Common
      Stock on the basis of one share of Common Stock for the Conversion  Price.
      The  Conversion  Price  and the  corresponding  number of shares of Common
      Stock to be issued  upon the  conversion  of this Note shall be subject to
      adjustment  from time to time upon the  occurrence of certain  events,  as
      provided in this Note. The  prepayment of this Note,  shall not reduce the
      amount of this Note which may be converted into Common Stock in accordance
      with this Section 7.1.b.

                                       4
<PAGE>

            7.2 Conversion  Procedure.  Such conversion shall be effected by (i)
      the surrender of this Note at the principal  office of the  Corporation at
      any time during usual  business  hours,  together  with (ii) five (5) days
      notice in writing  that the  Holder  wishes to convert a portion or all of
      this Note,  which notice shall also state the name(s) (with addresses) and
      denominations in which the certificate(s) for Common Stock shall be issued
      and  shall   include   instructions   for   delivery   thereof  and  (iii)
      reimbursement  without  interest for any previous  payment of principal by
      the Corporation which is being converted.  Such conversion shall be deemed
      to have been  effected  as of the close of  business  on the date on which
      this Note  shall have been  surrendered  and such  notice  shall have been
      received, and at such time (the "Voluntary Conversion Date") the rights of
      the Holder  with  respect to the  principal  amount of the Note  converted
      shall cease and the  person(s)  in whose  name(s) any  certificate(s)  for
      Common Stock are to be issued upon such conversion shall be deemed to have
      become  the  holder or  holders  of record of the  shares of Common  Stock
      represented by such certificate(s).

            On  or  before  the  third  business  day  following  the  Voluntary
      Conversion  Date,  the  Corporation  shall (i) provided  that the transfer
      agent for the Corporation is participating in The Depository Trust Company
      ("DTC") Fast Automated  Securities  Transfer Program,  upon the request of
      Holder,  credit  such  aggregate  number of Shares to which the  Holder is
      entitled  pursuant  to  such  conversion  to  the  Holders'  or his or its
      designee's  balance account with DTC though its Deposit  Withdrawal  Agent
      Commission  system,  or (ii) if the  Corporation's  transfer  agent is not
      participating in the DTC Fast Automated Securities Transfer Program, issue
      and dispatch, or cause to be issued and dispatched by overnight courier to
      the  address  as  specified  in  the  written  notice  of  conversion,   a
      certificate,  registered in the name of the Holder or his or its designee,
      for the number of Shares to which the Holder is entitled  pursuant to such
      conversion.  The  Corporation  shall  also make  payment  to the Holder of
      accrued  interest  to the date of  conversion  on the  portion of the Note
      converted in accordance with the manner of payment provisions of Section 2
      of this Note. In each case of  conversion  of this Note in part only,  the
      Corporation  shall  receive and hold the Note as a fiduciary  agent of the
      Holder,  shall  endorse  on this Note the date and  amount of this Note so
      converted,  and such amount shall be deemed no longer outstanding.  Unless
      this Note has been converted in its entirety and all principal and accrued
      interest have been fully-paid, this Note, endorsed as provided for herein,
      shall be  delivered  on or before the third  business  day  following  the
      Voluntary  Conversion  by  overnight  courier to the Holder at the address
      specified in the written  notice of  conversion.  The rights of conversion
      provided for in this Note shall not be  restricted  or modified in any way
      during  such  period of time that  this Note is held by  Corporation.  The
      Corporation  shall not be required to issue  shares of Common Stock to any
      individual  or entity upon  conversion  of this Note unless and until said
      individual  or entity shall have  completed a  Subscription  Agreement and
      Investor  Questionnaire  substantially  in the  forms  attached  hereto as
      EXHIBIT 1 and 2, respectively.

            7.3. Adjustment of Conversion Price. If and whenever on or after the
      date of this  Note,  the  Corporation  issues,  sells or grants  shares of
      Common Stock in, or in accordance  with Sections 7.4, 7.5 and 7.6 below is
      deemed to have  issued,  sold or  granted  shares of Common  Stock in, the
      Corporation for no consideration or for  consideration per share of Common
      Stock less than the Conversion  Price in effect  immediately  prior to the
      time of such  issuance or sale,  then and in such event,  such  Conversion
      Price  shall  be  reduced,  concurrently  with  such  issue,  to  a  price
      (calculated to the nearest cent) determined by multiplying such Conversion
      Price by a fraction,  the numerator of which shall be the number of shares
      of Common  Stock  outstanding  immediately  prior to such  issue  plus the
      number  of  shares  of Common  Stock  which  the  aggregate  consideration
      received by the Corporation  for the total number of additional  shares of
      Common Stock so issued or deemed to be issued, would purchase when divided
      by such Conversion Price; and the denominator of which shall be the number
      of shares of Common Stock  outstanding  immediately prior to such issuance
      plus the  number of such  additional  shares of Common  Stock so issued or
      deemed to be issued.

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<PAGE>

            7.4.  Issuance and Sale of Shares of Common  Stock.  For purposes of
      determining the adjusted  Conversion  Price pursuant to Section 7.3 above,
      the following  events shall be deemed to be an issuance and sale of shares
      of Common Stock by the Corporation:

                  (a) Issuance of Rights or Options. If (i) the Corporation,  in
            any manner, hereafter grants any rights or options to subscribe for,
            or  to  purchase,   shares  of  Common  Stock,   or  any  securities
            convertible  into or exchangeable  for any shares of Common Stock of
            the  Corporation  (such  rights  or  options  referred  to herein as
            "Options" and such convertible or exchangeable  securities  referred
            to herein as "Convertible  Securities")  and (ii) the Price Per Unit
            (as defined  below) of the shares of Common Stock  issuable upon the
            exercise  of such  Options or upon  conversion  or  exchange of such
            Convertible  Securities is less than the Conversion  Price in effect
            immediately  prior to the time of the  granting  of such  Options or
            issuing such Convertible Securities, then the shares of Common Stock
            issuable  upon the  exercise of such Options or upon  conversion  or
            exchange of such Convertible  Securities will be deemed to have been
            issued and sold by the  Corporation  for such lesser price per unit.
            For the  purposes  of this  Section  7.4(a)  the "Price Per Unit" is
            determined by dividing (i) the total amount, if any, received by the
            Corporation  as  consideration  for the  granting of such Options or
            issuing  such  Convertible  Securities,  plus the minimum  aggregate
            amount of additional  consideration  payable to the Corporation upon
            exercise of all such Options, plus in the case of such Options which
            relate to Convertible  Securities,  the minimum  aggregate amount of
            additional  consideration,  if any,  payable to the Corporation upon
            the  issuance  or  sale  of  such  Convertible  Securities  and  the
            conversion or exchange thereof,  by (ii) the total maximum number of
            shares of Common Stock issuable upon the exercise of such Options or
            upon the conversion or exchange of all such Convertible  Securities.
            No  further  adjustment  of the  Conversion  Price will be made when
            Convertible Securities are actually issued upon the exercise of such
            Options or when shares of Common Stock are actually  issued upon the
            exercise  of such  Options or the  conversion  or  exchange  of such
            Convertible Securities.

                  (b) Calculation of  Consideration  Received.  If any shares of
            Common Stock in the Corporation,  Options or Convertible  Securities
            are  issued or sold or deemed to have been  issued or sold for cash,
            the  consideration  received  therefor or the Price Per Unit, as the
            case may be,  will be deemed to be the net amount  received or to be
            received,  respectively,  by the Corporation  therefor.  In case any
            shares of Common Stock in the  Corporation,  Options or  Convertible
            Securities are issued or sold for a  consideration  other than cash,
            the  amount of the  consideration  other than cash  received  by the
            Corporation  or the non-cash  portion of the Price Per Unit,  as the
            case may be,  will be the fair  market  value of such  consideration
            received or to be received, respectively, by the Corporation. If any
            shares of Common Stock in the  Corporation,  Options or  Convertible
            Securities  are  issued in  connection  with any merger in which the
            Corporation   is  the   surviving   Corporation,   the   amount   of
            consideration  therefor  will be deemed to be the fair value of such
            portion  of  the  net  assets  and  business  of  the  non-surviving
            Corporation  as is  attributable  to such  shares of  Common  Stock,
            Options  or  Convertible  Securities,  as the case may be.  The fair
            value of any consideration other than cash and marketable securities
            will be determined  jointly by the  Corporation  and the Holder.  If
            such  parties  are  unable to reach  agreement  within a  reasonable
            period  of  time,  the  fair  value  of such  consideration  will be
            determined  by an  independent  appraiser  jointly  selected  by the
            Corporation and the Holder.

                                       6
<PAGE>

                  (c) Integrated  Transactions.  In case any Option is issued in
            connection  with the  issuance  or sale of other  securities  of the
            Corporation, together comprising one integrated transaction in which
            no specific consideration is allocated to such Option by the parties
            thereto,  the  Option  will be  deemed  to have  been  issued  for a
            consideration of $.01.

                  (d)  Record  Date.  If the  Corporation  takes a record of the
            holders of Common  Stock for the purpose of entitling  them:  (i) to
            receive a dividend or other distribution payable in shares of Common
            Stock in the Corporation, Options or Convertible Securities; or (ii)
            to  subscribe  for  or  purchase  shares  of  Common  Stock  in  the
            Corporation,  Options or  Convertible  Securities,  then such record
            date will be deemed  to be the date of the  issuance  or sale of the
            shares of Common  Stock  deemed to have been issued or sold upon the
            declaration  of such  dividend  or upon  the  making  of such  other
            distribution   on  the  date  of  the  granting  of  such  right  of
            subscription or purchase, as the case may be.

            7.5.  Subdivision or  Combination of Shares of Common Stock.  If the
      Corporation at any time  subdivides one or more classes of its outstanding
      shares of Common Stock into a greater number of shares of Common Stock (or
      units thereof),  the Conversion Price in effect  immediately prior to such
      subdivision  will be  proportionately  reduced.  If the Corporation at any
      time  combines  one or more  classes of its  outstanding  shares of Common
      Stock  into a smaller  number of shares of Common  Stock,  the  Conversion
      Price  in  effect   immediately   prior  to  such   combination   will  be
      proportionately increased.

            7.6 Organic Change.  Exclusive of the merger between  Technology and
      the  Corporation,  prior to the  consummation  of any  Organic  Change (as
      defined below), the Corporation will make appropriate  provisions (in form
      and  substance  satisfactory  to Holder) to insure that the holder of this
      Note will thereafter have the right to acquire and receive,  in lieu of or
      in addition to the shares of Common Stock in the  Corporation  immediately
      theretofore  acquirable and  receivable  upon the conversion of this Note,
      such  shares  of  stock,  membership  interests,   partnership  interests,
      securities or assets as such holder would have received in connection with
      such  Organic  Change if the holder had  converted  this Note  immediately
      prior to such Organic Change.  In any such case, the Corporation will make
      appropriate  provisions (in form and substance  satisfactory to Holder) to
      insure  that  the  provisions  of this  Section  7.6  will  thereafter  be
      applicable  to  this  Note  (including,  an  immediate  adjustment  of the
      Conversion  Price to the  value  for the  shares  of  Common  Stock in the
      Corporation   reflected  by  the  terms  of  such  Organic  Change  and  a
      corresponding immediate adjustment in the number of shares of Common Stock
      acquirable  and receivable  upon  conversion of this Note, if the value so
      reflected is less than the Conversion Price in effect immediately prior to
      such Organic  Change).  The  Corporation  will not effect any such Organic
      Change,   unless  prior  to  the  consummation   thereof,   the  successor
      Corporation   resulting  from  such  Organic  Change  assumes  by  written
      instrument (in form reasonably  satisfactory to Holder), the obligation to
      deliver to each such holder such shares of stock, securities or assets as,
      in accordance with the foregoing  provisions,  such holder may be entitled
      to acquire.  All other  terms of this Note shall  remain in full force and
      effect  following such an Organic  Change.  The provisions of this Section
      7.6 shall similarly apply to successive Organic Changes.

                                       7
<PAGE>

            As used herein,  the term  "Organic  Change"  shall mean any merger,
      consolidation, combination, recapitalization, reorganization, stock split,
      stock  dividend  or other  change  in, or with  respect  to, the shares of
      Common Stock in the Corporation not otherwise provided for herein.

            7.7. Other Distributions. If the Corporation declares a distribution
      for its  shareholders  of Common Stock,  which  distribution is payable in
      securities  of other  parties,  evidences  of  indebtedness  issued by the
      Corporation or other parties, assets (excluding cash dividends) or options
      or rights not referred to in Section 7.4,  then, in each such case for the
      purposes  of  this  Section  7.7,  the  Holder  shall  be  entitled  to  a
      proportionate  share of any such distribution as though the Holder was the
      holder of the  number of shares  of Common  Stock  into  which the Note is
      convertible  as of the  record  date  fixed for the  determination  of the
      holders of Common Stock entitled to receive such distribution. In no event
      shall such a  distribution  be deemed a repayment of  principal  under the
      Note.

            7.8.  New  Financing.   Notwithstanding  anything  to  the  contrary
      contained herein, in the event the Corporation sells any security (equity,
      debt or otherwise) of the Corporation  ("New  Security") at any time while
      this Note is outstanding ("New  Financing"),  this Note shall,  after such
      New Financing, be convertible,  at the option of the Holder, into the kind
      and number of shares of the New  Security,  on such  terms and  conditions
      (including any warrants or other consideration  received by the purchasers
      in the New  Financing)  as the New Security is sold in the New  Financing,
      subject to all of the terms of the New Financing.  The  conversion  rights
      set forth in this Section 7.8 are in addition to, and not in  substitution
      for, the other conversion rights set forth in this Note.

            7.9. Notices.

            (a)  Immediately  upon any  adjustment  in the  number  of shares of
      Common Stock acquirable and receivable upon conversion of this Note or any
      adjustment or readjustment in the Conversion  Price, the Corporation shall
      send  written  notice  to the  Holder,  which  notice  shall  set forth in
      reasonable  detail the method of calculation and the facts upon which such
      calculation is based. The Corporation  shall,  upon written request at any
      time of the  Holder,  furnish or cause to be  furnished  to such  holder a
      similar  certificate setting forth (i) such adjustments and readjustments,
      (ii) the Conversion  Price then in effect,  and (iii) the number of shares
      of Common Stock and the amount, if any, of other property which then would
      be received upon the conversion of this Note. The Corporation may retain a
      firm of independent public accountants of recognized standing which may be
      the firm regularly  retained by the  Corporation  to make any  computation
      required under this Section and a certificate signed by such firm shall be
      rebuttable  evidence of the correctness of any computation made under this
      Section.

                                       8
<PAGE>

            (b) In the event that:

                  (i) the Corporation shall declare any dividend or distribution
            upon its Common  Stock,  whether in cash,  property,  stock or other
            securities,  whether or not a regular  cash  dividend and whether or
            not out of earnings or earned surplus; or

                  (ii) the Corporation  shall offer for subscription pro rata to
            the holders of its Common  Stock any  additional  shares of stock of
            any class or other rights; or

                  (iii) there shall be any Organic Change; or

                  (iv) there shall be any voluntary or involuntary  dissolution,
            liquidation or winding up of the Corporation;

then in  connection  with each such  event,  the  Corporation  shall send to the
Holder (A) at least 60 days' prior written notice of the date on which the books
of the  Corporation  shall close or a record  shall be taken for such  dividend,
distribution  or  subscription  rights  (and  specifying  the date on which  the
holders of Common Stock shall be entitled) or for determining  rights to vote in
respect of such Organic Change, dissolution,  liquidation or winding up, and (B)
in the case of any such Organic Change, dissolution,  liquidation or winding up,
at least 60 days'  prior  written  notice of the date when the same  shall  take
place (and  specifying  the date on which the  holders of Common  Stock shall be
entitled  to  exchange  their  Common  Stock for  securities  or other  property
deliverable upon such Organic Change, dissolution, liquidation or winding up).

      8. Registration  Rights. The Corporation grants registration rights to the
Holder  hereof  under  the  terms  and  conditions  of the  Registration  Rights
Agreement of even date herewith.

      9. Reservation of Common Stock; Etc.

            (a) The  Corporation  will at all  times  from and after the date of
      this Note reserve and keep  available out of its  authorized  but unissued
      shares of Common Stock or its treasury  shares,  or otherwise,  solely for
      the purpose of issuance upon the  conversion of this Note,  such number of
      shares of Common Stock as shall then be issuable  upon the  conversion  of
      this Note. The Corporation covenants that all shares of Common Stock which
      shall be so issuable shall, when issued, be duly and validly issued, fully
      paid and non-assessable and free from all taxes, liens and charges.

                                       9
<PAGE>

            (b) The  Corporation  will not take any action which would result in
      any  adjustment  of the number of shares of Common Stock  acquirable  upon
      conversion of this Note if the total number of shares  issuable after such
      action upon  conversion  of this Note,  together  with the total number of
      shares of Common Stock then outstanding,  would exceed the total number of
      shares of Common Stock then authorized under the Corporation's Articles of
      Incorporation  which are not  reserved or required to be reserved  for any
      purpose other than the purpose of issue upon conversion of this Note.

            (c) The  issuance of  certificates  for shares of Common  Stock upon
      conversion of this Note shall be made without charge to the Holder for any
      issuance tax or other cost incurred by the  Corporation in connection with
      such conversion and the related issuance of shares of Common Stock.

            (d) If any  shares of  Common  Stock  required  to be  reserved  for
      purposes of  conversion  of this Note  require,  before such shares may be
      issued upon conversion,  registration with or approval of any governmental
      authority  under any  federal  or state law (other  than any  registration
      under  the  Securities  Act of 1933,  as then in  effect,  or any  similar
      federal  statute then in force, or any state  securities law,  required by
      reason of any  transfer  involved  in such  conversion)  or listing on any
      domestic securities exchange,  the Corporation will, at its expense and as
      expeditiously as possible, use its best efforts to cause such shares to be
      duly  registered  or  approved  for  listing  or listed  on such  domestic
      securities exchange, as the case may be.

      10. Fractional  Interests.  The Corporation shall not be required to issue
      any  fractional  shares of Common Stock on the conversion of this Note. If
      any fraction of a share of Common Stock would be issuable upon  conversion
      of this Note, the Corporation shall round up and issue one (1) whole share
      in lieu of a fractional share.

      11.  Security  Agreement.  The  Corporation  hereby  acknowledges  that in
      connection  with  executing this Note,  the  Corporation  and Holder shall
      enter into a Security Agreement  substantially in the form attached hereto
      as Exhibit 11 whereby  the  Corporation  shall  grant to Holder a security
      interest in its assets as set forth therein.

      12.  Voting.  Nothing  contained  in  this  Note  shall  be  construed  as
      conferring  upon the  Holder the right to vote or to consent or to receive
      notice as a stockholder in respect of the meetings of stockholders for the
      election  of  directors   of  the   Corporation   or  any  other   matter.
      Notwithstanding  the foregoing,  the Corporation shall mail by first class
      to the Holder at the  address  specified  in  Section  13, one copy of all
      materials  forwarded  to  stockholders  or filed with the  Securities  and
      Exchange  Commission by the Corporation,  said mailing to be made promptly
      after mailing to  stockholders  or filing with the Securities and Exchange
      Commission, as the case may be.

      13. Notices.

                                       10
<PAGE>

      (a) Any notice  pursuant  to this Note to be given or made by Holder to or
      upon the Corporation  shall be sufficient if it is in writing signed by or
      on behalf of the Holder and  delivered  personally,  by mail or by Federal
      Express or similar overnight courier,  postage paid, facsimile,  and if by
      mail,  certified or registered,  to the address set forth below or to such
      other  addressee or address as shall be set forth in a notice given in the
      same manner:

            TECHALT, INC.
            3311 N. Kennicott Ave. - Suite A
            Arlington Heights, IL  60004

            Attn:  James E. Solomon

            (847) 398-1692

            (b) Any  notice  pursuant  to this Note  shall be deemed  given upon
      delivery  if  delivered  personally,  on the next day if  delivered  by an
      overnight  carrier,  or three  (3) days  after  the  date of  postmark  if
      deposited in the U.S. Mail for delivery by certified or  registered  mail,
      return receipt requested, postage prepaid, addressed, or upon transmission
      if it has been given by facsimile  between 9:00 a.m. and 5:00 p.m. central
      time, Monday through Friday.

      14.  Governing Law. This Agreement shall be construed in accordance  with,
      governed  by and  enforced  under the laws of the State of  Illinois,  the
      parties  acknowledging that this Agreement has been executed and performed
      in Cook County,  Illinois.  All legal proceedings  relating to the subject
      matter of this  Agreement  may be brought only in the Cook County  Circuit
      Court of Illinois or in any federal court sitting in Chicago, Illinois.

      15. Modification and Waiver. No modification or waiver of any provision of
      this Note, nor any departure by the  Corporation  therefrom,  shall in any
      event be  effective  unless  the same  shall be in  writing  signed by the
      Holder and then such modification or waiver shall be effective only in the
      specific  instance for the specific  purpose  given.  Notwithstanding  the
      foregoing,  the  Board  of  Directors  of the  Corporation,  in  its  sole
      discretion,  shall  have the  right  at any  time or from  time to time to
      decrease the  Conversion  Price and/or to increase the number of shares of
      Common Stock issuable upon  conversion of this Note. Such reduction of the
      Conversion  Price and/or  increase in the number of shares of Common Stock
      issuable  upon  exercise  shall be effective for a period or periods to be
      determined by such Board.

                                       11
<PAGE>

      16. Transfer of Note and Stock. This Note and the Common Stock issued upon
      conversion may each be sold, transferred,  assigned,  pledged or otherwise
      disposed of by the Holder, provided that such sale, transfer,  assignment,
      pledge or other  disposition is in accordance with all applicable  federal
      and state securities laws. The person or entity to whom a sale,  transfer,
      assignment,  pledge or other  disposition  is made,  shall be considered a
      "Holder" for purposes of the rights and  obligations  provided for in this
      Note, and as such,  shall be entitled to enforce the  registration  rights
      provided for in Section 8 hereof and in the referenced Registration Rights
      Agreement.

Attest:                            TECHALT, INC.

                                   By:
---------------------------            ----------------------------------
Secretary                              James E. Solomon
                                       Its President and Chief Executive Officer

                                       12AGREEMENT TO RESCIND

                     INTELLECTUAL PROPERTY LICENSE AGREEMENT

      THIS AGREEMENT TO RESCIND  INTELLECTUAL  PROPERTY LICENSE  AGREEMENT (this
"Agreement") is made as of December ___, 2004,  between TechAlt,  Inc., a Nevada
corporation (f/k/a Dendo Global Corp.) ("Pubco"),  and Technology  Alternatives,
Inc., an Illinois corporation ("Privateco")  (collectively,  the "Parties"). All
capitalized  terms not defined herein shall have the meaning assigned to them in
the License Agreement (defined below).

      WHEREAS,  on or around August 20, 2004 Pubco entered into an  Intellectual
Property License Agreement, a copy of which is attached hereto as Exhibit A (the
"License Agreement") with Privateco,  pursuant to which 10,044,000 shares of the
common stock of Pubco (the  "Shares") were issued to Privateco and certain other
parties in exchange  for  $100,000  and the  licensing  of certain  intellectual
property of Privateco to Pubco;

      WHEREAS,  shortly after  consummation of the License  Agreement a minority
shareholder of Privateco  instituted a lawsuit  involving  claims related to the
License Agreement (the "Lawsuit"); and

      WHEREAS,  to satisfy  certain  demands  of the  minority  shareholder  who
brought the Lawsuit the Parties  have entered  into  discussions  to rescind the
License  Agreement  with the  intent of  restoring  the status quo as it existed
prior to consummation of the License Agreement;

      NOW, THEREFORE,  for good and valuable  consideration,  the sufficiency of
which is hereby  acknowledged,  the Parties do hereby enter into this  Agreement
and stipulate, covenant, warrant, and agree as follows:

1. Rescission of the License Agreement.  Privateco hereby rescinds ab initio its
licensing  of  the  intellectual  property  licensed  pursuant  to  the  License
Agreement  (the "IP") and Pubco agrees to said  rescission  ab initio of the IP,
which  rescission  the Parties  acknowledge  shall  restore the status quo as it
existed immediately before the Parties entered into the Licensing Agreement when
Pubco had no rights to exploit the IP. The period  between  consummation  of the
Licensing  Agreement and  consummation  of this Agreement  shall  hereinafter be
referred to as the "Rescission Period."

2. Re-establishing the Status Quo. The Parties agree to take the following steps
in the  interest  of  re-establishing  the status quo as it existed  immediately
prior to consummation of the Licensing Agreement.

      (a) All revenue  earned and expenses  incurred with respect to the License
Agreement by Pubco during the  Rescission  Period shall be considered  Privateco
revenue and expense.

      (b) All contracts entered into by Pubco during the Rescission Period shall
be considered contracts of Privateco and where possible subject to novation.

<PAGE>

      (c) All certificates  representing  Shares and Additional  Shares of Pubco
issued pursuant to the License  Agreement during the Rescission  Period shall be
returned to Pubco and cancelled.

      (d) The Boards of  Directors  of both  Pubco and  Privateco  as  currently
constituted shall adopt resolutions approving this Agreement.

      (e) All  documents,  records,  instruments  and  other  written  materials
transferred  from Privateco to Pubco pursuant to the License  Agreement shall be
returned to Privateco.

      (f) All ancillary  documents  executed in connection with  consummation of
the License Agreement are hereby rescinded ab initio, including, but not limited
to, all Investment Letters and the Indemnification Agreement.

      (g) All transaction documents shall be obtained by Privateco and marked or
deemed cancelled ab initio.

      (h) All shares cancelled by Pubco pursuant to the License  Agreement shall
be deemed to have not been cancelled and shall be deemed  cancelled  pursuant to
the Agreement and Plan of Merger between Pubco and Privateco, a copy of which is
attached hereto as Exhibit B.

3. General Provisions.

      (a) This  Agreement  shall  be  governed  by and  shall  be  construed  in
accordance  with the laws of the  State of  Nevada  as they  apply to  contracts
entered into and wholly to be performed in such state. This Agreement represents
the entire  agreement  between the parties  with  respect to the subject  matter
hereof.  The Parties  hereto  hereby agree that any suit,  action or  proceeding
instituted  with  respect to this  Agreement  shall be brought only in a Federal
court or state court located in the State of Nevada. Further, the parties hereby
waive any and all rights to a jury trial.

      (b) Any notice, demand or request required or permitted to be given by the
Parties pursuant to the terms of this Agreement shall be in writing and shall be
deemed given (i) when delivered personally, (ii) five (5) business days after it
is deposited in the U.S. mail,  certified with return receipt requested and with
proper  postage  prepaid,  or  (iii)  one day  after  deposit  (prepaid)  with a
nationally  recognized  overnight  courier,  and  addressed  to the party  being
notified at his or its address specified on the applicable signature page hereto
or such other address which the addressee may subsequently notify the Parties in
writing.

      (c) Failure by any of the Parties to enforce any  provision or  provisions
of this  Agreement  shall  not in any way be  construed  as a waiver of any such
provision or provisions,  nor prevent that party  thereafter from enforcing each
and every other  provision  of this  Agreement.  The rights  granted the Parties
herein are  cumulative and shall not constitute a waiver of any party's right to
assert all other legal remedies available to it under the circumstances.

                                       2
<PAGE>

      (d) The  Parties  acknowledge  that money  damages  may not be an adequate
remedy for  violations  of this  Agreement  and that any party may,  in its sole
discretion,  apply to a court of competent jurisdiction for specific performance
or  injunctive  or such  other  relief as such court may deem just and proper to
enforce  this  Agreement or to prevent any  violation  hereof and, to the extent
permitted by applicable  law, each party waives any objection to the  imposition
of such relief in appropriate circumstances.

      (e) This  Agreement  may be  executed  by  facsimile  and in any number of
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

      (f) Each  party to this  Agreement  represents  that  such  party has duly
authorized,  executed and delivered  this Agreement and that this Agreement is a
valid and binding  obligation of such party,  enforceable  against such party in
accordance with its terms.

      (g) All  parties  to this  Agreement  have  been duly  consulted  with the
counsel of their choosing,  and understand  each and every term,  obligation and
condition imposed by this Agreement.

      (h) The terms of this  Agreement  shall  remain  confidential  between the
parties  to this  Agreement  and their  respective  attorneys,  accountants  and
corporate  officers and  directors;  provided,  however,  that the terms of this
Agreement may be disclosed as required under federal and state  securities laws,
rules and regulations, or as required by court order.

                                       3
<PAGE>

      IN WITNESS  WHEREOF,  the parties have executed  this  Agreement as of the
date first written above.

         PUBCO:

         TECHALT, INC.

         By:

         ------------------------------
         Name: David M. Otto
         Its: Secretary

         PRIVATECO:

         TECHNOLOGY ALTERNATIVES, INC.

         By:

         ------------------------------
         Name: James E. Solomon
         Its: President & Chief Executive Officer

                                       4

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