DTI HOLDINGS INC
10-K, EX-4.13, 2000-09-27
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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                                                                    Exhibit 4.13

THIS WARRANT AND THE SHARES OF COMMON STOCK PURCHASABLE  HEREUNDER HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR UNDER THE SECURITIES
LAWS OF ANY STATE OR OTHER JURISDICTION AND MAY NOT BE SOLD, OFFERED FOR SALE OR
OTHERWISE  TRANSFERRED  UNLESS  REGISTERED  OR  QUALIFIED  UNDER  SAID  ACT  AND
APPLICABLE  STATE  SECURITIES LAWS OR UNLESS THE COMPANY  RECEIVES AN OPINION OF
COUNSEL (WHO MAY BE AN EMPLOYEE OF SUCH HOLDER)  REASONABLY  SATISFACTORY TO THE
COMPANY THAT REGISTRATION,  QUALIFICATION OR OTHER SUCH ACTIONS ARE NOT REQUIRED
UNDER SAID ACT. THE OFFERING OF THIS  SECURITY HAS NOT BEEN REVIEWED OR APPROVED
BY ANY STATE'S SECURITIES ADMINISTRATOR.


                                     WARRANT

                  To Purchase 303.03 Shares of Common Stock of

                             DIGITAL TELEPORT, INC.

                            Expiring October 21, 2007

                  THIS IS TO CERTIFY THAT, for value received,  Banque Indosuez,
or  registered  assigns  (the  "Holder")  is entitled to purchase  from  DIGITAL
TELEPORT, INC., a Missouri corporation (the "Company"), at any time or from time
to time prior to 5:00  p.m.,  New York City time,  on  October  21,  2007 at the
offices of the  Company,  at the  Exercise  Price (as  hereinafter  defined) the
number of  shares  of Common  Stock,  par  value  $0.01 per share  (the  "Common
Stock"),  of the Company  shown above,  all subject to  adjustment  and upon the
terms and conditions as hereinafter  provided,  and is entitled also to exercise
the other appurtenant rights, powers and privileges hereinafter described.  This
Warrant is one of one or more  warrants  (the  "Warrants")  of the same form and
having the same terms as this Warrant.

                  Certain terms used in this Warrant are defined in Article V.

                                    ARTICLE I

                              EXERCISE OF WARRANTS

                  1.1 Method of Exercise.  To exercise  this Warrant in whole or
in part,  the Holder  shall  deliver to the  Company,  (a) this  Warrant,  (b) a
written notice,  in substantially  the form of the Subscription  Notice attached
hereto, of such Holder's  election to exercise this Warrant,  which notice shall
specify the number of shares of Common Stock to be purchased,  the denominations
of the share  certificate or  certificates  desired,  the name or names in which
such  certificates  are to be registered,  and (c) payment of the Exercise Price

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with respect to such shares.  Notwithstanding the foregoing,  this Warrant shall
be  exercisable  only,  to the extent and at the time or times,  that the Holder
could legally take possession and title of such shares. Payment made pursuant to
clause (c) above may be made,  at the option of the Holder:  (x) by cash,  money
order,  certified or bank cashier's check or wire transfer, (y) the surrender to
the Company of securities  of the Company  having a value equal to the aggregate
Exercise Price, as determined in good faith by the Company's board of directors,
or (z) the  delivery  of a notice to the Company  that the Holder is  exercising
this Warrant by authorizing the Company to reduce the number of shares of Common
Stock subject to this Warrant by the number of shares having an aggregate  value
equal to the  aggregate  Exercise  Price,  as  determined  in good  faith by the
Company's board of directors.

                  The Company shall, as promptly as practicable and in any event
within  three  Business  Days  thereafter,  execute  and  deliver or cause to be
executed and  delivered,  in  accordance  with such  notice,  a  certificate  or
certificates  representing  the  aggregate  number  and type of shares of Common
Stock  specified  in said  notice.  The share  certificate  or  certificates  so
delivered shall be in such  denominations as may be specified in such notice or,
if such notice  shall not specify  denominations,  shall be in the amount of the
number of shares of Common Stock for which the Warrant is being  exercised,  and
shall be issued in the name of the  Holder or such  other name or names as shall
be  designated  in such notice,  subject to Section  1.4.  Such  certificate  or
certificates  shall be deemed to have been issued,  and such Holder or any other
Person so  designated  to be named  therein  shall be deemed for all purposes to
have become a holder of record of such shares, as of the date the aforementioned
notice is received by the  Company.  If this Warrant  shall have been  exercised
only in part, the Company shall,  at the time of delivery of the  certificate or
certificates,  deliver  to the  Holder a new  Warrant  evidencing  the rights to
purchase the remaining shares of Common Stock called for by this Warrant,  which
new Warrant shall in all other respects be identical  with this Warrant,  or, at
the  request of the Holder,  appropriate  notation  may be made on this  Warrant
which shall then be returned to the Holder.  The Company shall pay all expenses,
taxes and other charges payable in connection with the preparation, issuance and
delivery of share  certificates  and new Warrants (other than the Holder's legal
and accounting fees and  disbursements),  except that, if share  certificates or
new Warrants shall be registered in the name or names other than the name of the
Holder,  funds  sufficient to pay all transfer taxes payable as a result of such
transfer   shall  be  paid  by  the  Holder  at  the  time  of  delivering   the
aforementioned  notice of exercise of promptly upon receipt or a written request
of the Company for payment.

                  1.2 Shares To Be Fully Paid and  Nonassessable.  All shares of
Common Stock issued upon the exercise of this Warrant  shall be validly  issued,
fully  paid  and  nonassessable  and  free  from all  preemptive  rights  of any
stockholder,  and from all taxes,  liens and charges  with  respect to the issue
thereof (other than transfer taxes).

                  1.3 No Fractional  Shares To Be Issued.  The Company shall not
be required to issue  fractions of shares of Common Stock upon  exercise of this
Warrant.  If any fraction of a share would,  but for this  Section,  be issuable
upon any exercise of this Warrant,  and if the Company shall have elected not to
issue such  fraction of a share,  in lieu of such  fractional  share the Company
shall pay to the Holder,  in cash,  an amount equal to such fraction of the Fair

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<PAGE>

Market  Value  per  share of  outstanding  Common  Stock of the  Company  on the
Business Day immediately prior to the date of such exercise.

                  1.4 Share Legend.  Each certificate for shares of Common Stock
issued upon exercise of this Warrant, unless at the time of exercise such shares
are registered under the Securities Act, shall bear the following legend:

                  "This  Security has not been  registered  under the Securities
                  Act of 1933, as amended,  or under the securities  laws of any
                  state or other  jurisdiction and may not be sold,  offered for
                  sale or otherwise  transferred  unless registered or qualified
                  under said Act and applicable  state securities laws or unless
                  the  Company   receives  an  opinion  of  counsel   reasonably
                  satisfactory to the Company that  registration,  qualification
                  or other such  actions are not  required  under said Act.  The
                  offering of this Security has not been reviewed or approved by
                  any state securities administrator."

                  Any certificate issued at any time in exchange or substitution
for any certificate  bearing such legend (except a new  certificate  issued upon
completion of a public distribution  pursuant to a registration  statement under
the  Securities  Act)  shall also bear such  legend  unless,  in the  opinion of
counsel  selected by the holder of such  certificate  (who may be an employee of
such holder) reasonably  satisfactory to the Company, the securities represented
thereby are no longer  subject to  restrictions  on resale under the  Securities
Act.

                  1.5 Reservation;  Authorization.  The Company has reserved and
will keep  available for issuance upon exercise of the Warrants the total number
of shares of Common Stock deliverable upon exercise of all Warrants from time to
time  outstanding.  The  issuance  of such  shares  has been  duly  and  validly
authorized  and,  when issued and sold in  accordance  with the  Warrants,  such
shares will be duly and validly issued, fully paid and nonassessable.

                                   ARTICLE II

                               TRANSFER, EXCHANGE
                           AND REPLACEMENT OF WARRANTS

                  2.1  Ownership of Warrant.  The Company may deem and treat the
Person in whose name this Warrant is  registered  as the holder and owner hereof
(notwithstanding  any  notations  of  ownership  or writing  hereon  made by any
Person)  for all  purposes  and  shall  not be  affected  by any  notice  to the
contrary,  until  presentation  of this Warrant for  registration of transfer as
provided in this Article II.

                  2.2  Transfer of Warrant. The Company agrees to maintain books
for the registration of transfers of the Warrants,  and transfer of this Warrant
and all  rights  hereunder  shall be  registered,  in whole or in part,  on such
books,  upon  surrender  of this  Warrant at the  headquarters  of the  company,
together  with a written  assignment of this Warrant duly executed by the Holder

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<PAGE>

or his duly  authorized  agent or  attorney,  with  (unless  the  Holder  is the
original  Warrantholder)  signatures  guaranteed by a bank or trust Company or a
broker  or dealer  registered  with the NASD,  and funds  sufficient  to pay any
transfer  taxes  payable upon such  transfer.  Upon  surrender the Company shall
execute and deliver a new Warrant or Warrants in the name of the  assignees  and
in the denominations specified in the instrument of assignment, and this Warrant
shall  promptly be canceled.  The Company  shall not be required to register any
transfers in violation of Section 2.6 hereof,  or if the Holder fails to furnish
to the  Company,  after a request  therefor,  an opinion  of counsel  reasonably
satisfactory  to the Company that such transfer is exempt from the  registration
requirements of the Securities Act.

                  2.3  Division or Combination of Warrants.  This Warrant may be
divided or combined with other Warrants upon surrender hereof and of any Warrant
or Warrants  with which this Warrant is to be combined at the Company,  together
with a written notice  specifying the names and  denominations  in which the new
Warrant or Warrants are to be issued,  signed by the holders  hereof and thereof
or their respective duly authorized  agents or attorneys.  Subject to compliance
with  Section 2.6 as to any  transfer  which may be involved in the  division or
combination,  the Company shall execute and deliver a new Warrant or Warrants in
exchange  for the Warrant or  Warrants  to be divided or combined in  accordance
with such notice.

                  2.4  Loss, Theft, Destruction or Mutilation of Warrants.  Upon
receipt of evidence satisfactory to the Company of the loss, theft,  destruction
or  mutilation  of any  Warrant  and,  in the  case of any such  loss,  theft or
destruction,  upon receipt of indemnity or security  reasonably  satisfactory to
the  Company,  or, in the in case of any such  mutilation,  upon  surrender  and
cancellation of such Warrant, the Company will make and deliver, in lieu of such
lost,  stolen,  destroyed or mutilated  Warrant, a new Warrant of like tenor and
representing the right to purchase the same aggregate number of shares of Common
Stock as provided for in such lost, stolen, destroyed or mutilated Warrant.

                  2.5  Expenses of Delivery of Warrants.  The Company  shall pay
all expenses,  taxes (other than transfer  taxes or income taxes of a Holder and
such Holder's  legal and  accounting  fees and  disbursement)  and other charges
payable in connection  with the  preparation,  issuance and delivery of Warrants
and shares issuable upon exercise of the Warrants hereunder.

                  2.6  Restrictions on Transfer and Division.  This Warrant, and
any  Warrants  resulting  from the  division,  transfer or  combination  of this
Warrant,  and the rights of a  Warrantholder  hereunder or  thereunder,  and any
shares of Common Stock  acquired by the exercise  hereof or thereof,  may not be
assigned or  transferred  to such persons as are determined in good faith by the
Company to be  competitors  of the  Company.  Such  restriction  shall not apply
following a public offering of Common Stock. No division, assignment or transfer
of the rights of a Warrantholder under a Warrant shall be effective with respect
to other than whole shares of Common Stock,  unless such  assignment or transfer
is of all of the  rights of such  Warrantholder  under such  Warrant;  provided,
however, that if this Warrant is originally exercisable with respect to a number
of shares of Common Stock that includes a fractional  share, this Warrant may be
divided such that such fractional share, together with one or more whole shares,
may be acquired by the exercise of a Warrant  resulting from such division.  The
term  "competitor"  shall  mean  (i)  any  person  (other  than  DTI)  providing

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<PAGE>

telecommunications  or fiber  optic  transmission  services,  (ii)  any  utility
Company,  (iii) KLT Inc. and (iv) any Affiliate,  director,  officer,  member or
partner of any of the foregoing.

                                   ARTICLE III

                                 CERTAIN RIGHTS

                  3.1 Contest and Appraisal Rights.  Upon each  determination of
Fair  Market  Value for an  adjustment  pursuant  to  Article  IV (other  than a
determination  relating solely to setting the value of fractional  shares),  the
Company shall promptly give notice thereof to all Warrantholders,  setting forth
in reasonable  detail the  calculation  of such Fair Market Value and the method
and basis of determination thereof, as the case may be. If the Requisite Holders
shall disagree with such determination and shall, by notice to the Company given
within  15 days  after the  Company's  notice  of such  determination,  elect to
dispute such  determination,  such dispute shall be resolved in accordance  with
this  Section  3.1.  In the event that a  determination  of Market  Price,  or a
determination  of Fair Market Value solely  involving Market Price, is disputed,
such  dispute  shall be  submitted  to a New York  Stock  Exchange  member  firm
selected  by  the  Company  and   acceptable   to  the   Warrantholders,   whose
determination  of Fair Market Value  and/or  Market  Price,  as the case may be,
shall be  binding  on the  Company  and the  Warrantholders.  The  costs of such
submission  shall  be  borne  by the  Warrantholders  electing  to  dispute  the
Company's determination, except that if such firm's determination of Fair Market
Value  and/or  Market  Price is  disparate  by 10% or more to the benefit of the
Warrantholders  from  the  Company's  original   determination,   the  costs  of
conducting  such submission  shall be borne by the Company.  In the event that a
determination of Fair Market Value, other than a determination  solely involving
Market Price, is disputed,  such dispute shall be resolved through the Appraisal
Procedure.

                  3.2 Certain  Covenants.  (a) The  Company covenants and agrees
that,  until exercise or cancellation of this Warrant,  the Company will deliver
to each Holder:

                           (i) As soon as  available  but not later than  ninety
         (90)  days  after  the  close  of the  fiscal  year of the  Company,  a
         consolidated  balance  sheet of the  Company as at the end of such year
         and the related consolidated and consolidating statements of income, of
         stockholders' equity and of cash flows for such year, such consolidated
         statements  to be audited  by  Deloitte & Touche LLP or other "Big Six"
         accounting firm;

                           (ii) As soon as  available  but not later  than sixty
         (60) days after the end of each quarter,  a consolidated  balance sheet
         of  the  Company  as at  the  end  of,  and  the  related  consolidated
         statements of income, of stockholders' equity and of cash flows for the
         portion of the Company's fiscal year then elapsed;

                  (b) By acceptance  of the  information  delivered  pursuant to
Section  3.2(a),  the  Holder  shall  be  deemed  to have  agreed  to hold  such
information in strict  confidence,  except as required by law,  unless and until
such information otherwise becomes publicly available. The Company may condition

                                       5
<PAGE>

the delivery of  information  pursuant to Section  3.2(a) upon the receipt of an
agreement executed by the Holder agreeing to the foregoing obligation.

                  (c) The  obligations  in Section  3.2(a)  shall cease upon the
Company  becoming  subject  to Section  12 or  Section  15(d) of the  Securities
Exchange Act of 1934, as amended.

                  3.3 Non-Disclosure. (a) In the event that the holder of shares
of Common Stock issued upon the exercise of this Warrant requests or demands, as
a shareholder of the Company,  to inspect,  examine or copy any of the Company's
books, records or other documentation or information, and the Board of Directors
of  the  Company  makes  a  good  faith   determination  that  such  inspection,
examination  or copying  would place the Company at a  competitive  disadvantage
with respect to any other entity, including but not limited to such shareholder,
that then  competes,  or is  reasonably  likely to  compete  in the  foreseeable
future,  either directly or indirectly,  with the Company,  then the Company may
refuse to disclose to such  shareholder any or all of the following items of the
Company:

                  (i)      interoffice  or  intraoffice  communication separated
                           solely for management review;

                  (ii)     confidential    analyses,    plans    for    business
                           development, organizational data, marketing plans and
                           strategies, or sales data;

                  (iii)    draft or  interim  financial  reports,  or any  other
                           internal  documents  subject to audit,  adjustment or
                           verification;

                  (iv)     unpublished  promotional  material,  cost and pricing
                           information,   customer  lists,  and  contracts,   in
                           whatever   form,   manner  or  medium   recorded  (if
                           recorded);

                  (v)      documentation  or  information  including,   but  not
                           limited  to, any and all  information  and  materials
                           that contain, or could lead to the disclosure of, the
                           Company's  trade  secrets  or  any  documentation  or
                           information concerning the Company's current,  future
                           or proposed  products or services,  including without
                           limitation  unpublished  computer  code (both  source
                           code  and  object  code),   network   configurations,
                           software  designs,  or any drawings,  specifications,
                           notebook  entries,  technical  notes and  graphs,  or
                           research; and

                  (vi)     all  other   information  that  the  Company  or  its
                           Affiliates  or  subsidiaries  treat  or  maintain  as
                           confidential, proprietary, restricted or otherwise as
                           not to be disclosed generally.

                  (b)      The  Warrantholder further agrees  that  all  of  the
above-mentioned  materials  do not  constitute  "books and  records"  within the

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<PAGE>

meaning of Section  351.215 of the Revised  Statutes of  Missouri,  and that the
Warrantholder  has no right or privilege by reason of becoming a shareholder  in
the Company to inspect, examine or copy such materials.

                                   ARTICLE IV

                             ANTIDILUTION PROVISIONS

                  4.1 Adjustments  Generally.  The Exercise Price and the number
of shares  of Common  Stock (or other  securities  or  property)  issuable  upon
exercise of this Warrant shall be subject to  adjustment  from time to time upon
the occurrence of certain events, as provided in this Article IV.

                  4.2 Common Stock  Reorganization.  If the Company  shall after
the date of issuance of this Warrant subdivide its outstanding  shares of Common
Stock into a greater number of shares or consolidate its  outstanding  shares of
Common  Stock into a smaller  number of shares  (any such event  being  called a
"Common Stock  Reorganization"),  then (a) the Exercise Price shall be adjusted,
effective  immediately  after the record  date at which the holders of shares of
Common Stock are determined for purposes of such Common Stock Reorganization, to
a price determined by multiplying the Exercise Price in effect immediately prior
to such record date by a fraction, the numerator of which shall be the number of
shares of Common Stock  outstanding  on such record date before giving effect to
such  Common  Stock  Reorganization  and the  denominator  of which shall be the
number of shares of Common Stock  outstanding after giving effect to such Common
Stock  Reorganization,  and (b) the number of shares of Common Stock  subject to
purchase  upon  exercise of this Warrant  shall be  adjusted,  effective at such
time, to a number determined by multiplying the number of shares of Common Stock
subject to purchase  immediately  before such Common Stock  Reorganization  by a
fraction, the numerator of which shall be the number of shares outstanding after
giving effect to such Common Stock  Reorganization  and the denominator of which
shall be the number of shares of Common  Stock  outstanding  immediately  before
such Common Stock Reorganization.

                  4.3 Common Stock Distribution.  (a) If the Company shall after
the date of issuance of this Warrant issue or otherwise  sell or distribute  any
shares of Common Stock, otherwise than pursuant to a Common Stock Reorganization
(any such event,  including any event described in paragraphs (b) and (c) below,
being  herein  called a  "Common  Stock  Distribution"),  if such  Common  Stock
Distribution  shall be for a  consideration  per share less than the Fair Market
Value per share of  outstanding  Common Stock of the Company on the date of such
Common  Stock  Distribution,  or on the first date of the  announcement  of such
Common Stock Distribution  (whichever is less), then, effective upon such Common
Stock  Distribution,  the  number of shares of  Common  Stock  purchasable  upon
exercise of this Warrant shall be adjusted by  multiplying  the number of shares
of Common Stock subject to purchase upon exercise of this Warrant by a fraction,
the  numerator  of which  shall be the total  number  of shares of Common  Stock
outstanding  (and issuable upon exercise or conversion of  outstanding  options,
warrants  and  convertible  securities)  immediately  prior to such Common Stock
Distribution  plus the number of shares of Common  Stock issued (or deemed to be
issued  pursuant  to  paragraphs  (b)  and  (c)  below)  in  such  Common  Stock

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<PAGE>

Distribution and the denominator of which shall be an amount equal to the sum of
(A) the number of shares of Common Stock outstanding (and issuable upon exercise
or conversion  of  outstanding  options,  warrants and  convertible  securities)
immediately  prior to the  Common  Stock  Distribution,  plus (B) the  number of
shares of Common Stock which the aggregate  consideration,  if any,  received by
the Company  (determined as provided  below) for such Common Stock  Distribution
would buy at the Fair Market Value thereof,  as of the date immediately prior to
such Common Stock  Distribution or as of the date immediately  prior to the date
of  announcement of such Common Stock  Distribution  (whichever is less). In the
event of any such  adjustment,  the  Exercise  Price for each  Warrant  shall be
adjusted to a number determined by dividing the Exercise Price immediately prior
to such Common  Stock  Distribution  by the  fraction  used for  purposes of the
aforementioned adjustment.

                  The provisions of this  paragraph (a),  including by operation
of paragraph (b) or (c) below,  shall not operate to increase the Exercise Price
or to reduce  the number of shares of Common  Stock  subject  to  purchase  upon
exercise of this Warrant.

                  (b) If the  Company  shall  after the date of issuance of this
Warrant  issue,  sell,  distribute  or  otherwise  grant in any manner  (whether
directly or by assumption in a merger or otherwise)  any rights to subscribe for
or to purchase,  or any warrants or options for the purchase of, Common Stock or
any stock or securities  convertible into or exchangeable for Common Stock (such
rights,  warrants or options being herein called  "Options" and such convertible
or   exchangeable   stock  or  securities   being  herein  called   "Convertible
Securities"),  whether or not such  Options or the rights to convert or exchange
any such Convertible Securities are immediately  exercisable,  and the price per
share for which  Common  Stock is issuable  upon the exercise of such Options or
upon  conversion  or  exchange of such  Convertible  Securities  (determined  by
dividing (i) the aggregate amount, if any, received or receivable by the Company
as consideration  for the granting of such Options,  plus the minimum  aggregate
amount of additional  consideration  payable to the Company upon the exercise of
all  such  Options,  plus,  in  the  case  of  Options  to  acquire  Convertible
Securities,  the minimum aggregate amount of additional  consideration,  if any,
payable  upon the  issue  or sale of such  Convertible  Securities  and upon 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  issuable  upon the exercise of
such Options)  shall be less than the Fair Market Value per share of outstanding
Common Stock of the Company on the date of granting  such Options or on the date
of announcement  thereof (whichever is less), then for purposes of paragraph (a)
above,  the total  maximum  number of shares of Common Stock  issuable  upon the
exercise of such  Options or upon  conversion  or exchange of the total  maximum
amount of such Convertible Securities issuable upon the exercise of such Options
shall be deemed to have been issued as of the date of  granting of such  Options
and thereafter shall be deemed to be outstanding and the Company shall be deemed
to have received as consideration  such price per share therefor,  determined as
provided  above.  Except as  otherwise  provided  in  paragraph  (d)  below,  no
additional  adjustment of the number of shares of Common Stock  purchasable upon
the  exercise of this  Warrant or of the  Exercise  Price shall be made upon the
actual  exercise  of  such  Options  or  upon  conversion  or  exchange  of such
Convertible Securities.

                                       8
<PAGE>

                  (c) If the  Company  shall  after the date of issuance of this
Warrant issue,  sell or otherwise  distribute or grant  (whether  directly or by
assumption in a merger or otherwise) any Convertible Securities,  whether or not
the rights to exchange or convert  thereunder are immediately  exercisable,  and
the price per share for which Common Stock is issuable  upon such  conversion or
exchange (determined by dividing (i) the aggregate amount received or receivable
by the Company as  consideration  for the issue,  sale or  distribution  of such
Convertible  Securities,   plus  the  minimum  aggregate  amount  of  additional
consideration,  if any,  payable to the Company upon the  conversion or exchange
thereof,  by (ii) the total  maximum  number of shares of Common Stock  issuable
upon the  conversion or exchange of all such  Convertible  Securities)  shall be
less than the Fair Market  Value per share of  outstanding  Common  Stock of the
Company  on the  date of such  issue,  sale or  distribution  or on the  date of
announcement  thereof  (whichever is less).  then, for purposes of paragraph (a)
above,  the  total  maximum  number of shares  of  Common  Stock  issuable  upon
conversion  or exchange of all such  Convertible  Securities  shall be deemed to
have  been  issued as of the date of the  issue,  sale or  distribution  of such
Convertible  Securities and thereafter shall be deemed to be outstanding and the
Company shall be deemed to have received as  consideration  such price per share
therefor,  determined  as  provided  above.  Except  as  otherwise  provided  in
paragraph (d) below, no additional  adjustment of the number of shares of Common
Stock  purchasable  upon exercise of this Warrant or of the Exercise Price shall
be made upon the actual conversion or exchange of such Convertible Securities.

                  (d) If the purchase price provided for in any Option  referred
to in paragraph (b) above,  the additional  consideration,  if any, payable upon
the  conversion  or  exchange  of  any  Convertible  Securities  referred  to in
paragraph  (b) or (c)  above,  or the rate at which any  Convertible  Securities
referred to in paragraph (b) or (c) above are  convertible  into or exchangeable
for Common  Stock  shall  change at any time  (other  than under or by reason of
provisions  designed  to protect  against,  and having the effect of  protecting
against,  dilution upon an event which results in a related adjustment  pursuant
to this  Article  IV),  the number of shares of Common  Stock  purchasable  upon
exercise of this Warrant and the Exercise  Price then in effect shall  forthwith
be readjusted (effective only with respect to any exercise of this Warrant after
such  readjustment)  to the number of shares of Common  Stock  purchasable  upon
exercise of this  Warrant and the  Exercise  Price which would then be in effect
had the  adjustment  made upon the issue,  sale,  distribution  or grant of such
Options or  Convertible  Securities  been made based upon such changed  purchase
price,  additional  consideration  or  conversion  rate,  as the  case  may  be;
provided,  however, that such readjustment shall give effect to such change only
with  respect  to  such  Options  and  Convertible  Securities  as  then  remain
outstanding.  If, at any time  after any  adjustment  of the number of shares of
Common Stock  purchasable  upon  exercise of each Warrant or the Exercise  Price
shall have been made pursuant to this Article IV on the basis of the issuance of
any Option or Convertible  Securities or after any new adjustments of the number
of shares of Common  Stock  purchasable  upon  exercise  of each  Warrant or the
Exercise  Price shall have been made  pursuant to this  paragraph,  the right of
conversion,  exercise or exchange in such Option or Convertible Securities shall
expire or  terminate,  and the right of  conversion,  exercise  or  exchange  in
respect of a portion of such  Option or  Convertible  Securities  shall not have
been  exercised,  such  previous  adjustment  shall be rescinded  and  annulled.
Thereupon,  a  recomputation  shall  be made of the  effect  of such  Option  or
Convertible  Securities  on the basis of treating the number of shares of Common
Stock, if any,  theretofore actually issued or issuable pursuant to the previous

                                       9
<PAGE>

exercise of such right of conversion, exercise or exchange as having been issued
on the  date or dates  of such  conversion,  exercise  or  exchange  and for the
consideration  actually received and receivable therefor,  and treating any such
Option or Convertible  Securities  which then remain  outstanding as having been
granted  or  issued  immediately  after  the time of any such  issuance  for the
consideration per share for which shares of Common Stock are issuable under such
Option or  Convertible  Securities;  and, if and to the extent called for by the
foregoing provisions of this Section on the basis aforesaid, a new adjustment of
the number of shares of Common Stock  purchasable  upon exercise of each Warrant
and the  Exercise  Price shall be made,  which new  adjustment  shall  supersede
(effective  only  with  respect  to any  exercise  of this  Warrant  after  such
readjustment) the previous adjustment so rescinded and annulled.

                  (e) If the  Company  shall  after the date of issuance of this
Warrant pay a dividend or make any other  distribution upon any capital stock of
the Company payable in Common Stock,  Options or Convertible  Securities,  then,
for purposes of paragraph (a) above,  such Common Stock,  Options or Convertible
Securities,  as the case may be,  shall be deemed to have  been  issued  without
consideration.

                  (f) If any  shares of Common  Stock,  Options  or  Convertible
Securities  shall be issued,  sold or distributed  for cash,  the  consideration
received therefor shall be deemed to be the gross amount received by the Company
(with no deduction  for any  underwriting  commissions  or  concessions  paid or
allowed by the Company in connection therewith).  It any shares of Common Stock,
Options or Convertible  Securities  shall be issued,  sold or distributed  for a
consideration  other than cash, the amount of the consideration  other than cash
received  by the  Company  shall be deemed to be the fair  market  value of such
consideration  as  determined  in good  faith by the Board of  Directors  of the
Company, (with no deduction for any underwriting commissions or concessions paid
or allowed  by the  Company in  connection  therewith).  If any shares of Common
Stock Options or Convertible  Securities  shall be issued in connection with any
merger  in which  the  Company  is the  surviving  corporation,  the  amount  of
consideration  therefor  shall be  deemed  to be the Fair  Market  Value of such
portion of the assets and business of the  nonsurviving  corporation as shall be
attributable  to such Common Stock,  Options or Convertible  Securities,  as the
case may be. If any  Options  shall be issued in  connection  with the issue and
sale of other  securities  of the  Company,  together  comprising  one  integral
transaction in which no specific  consideration  is allocated to such Options by
the  parties  thereto,  such  Options  shall be deemed to have been  issued  for
consideration to be determined pursuant to the Appraisal Procedure.

                  (g) If the  Company  shall take a record of the holders of the
Common  Stock for the purpose of  entitling  then to receive a dividend or other
distribution  payable in Common Stock,  Options or Convertible  Securities or to
subscribe for or purchase Common Stock, Options or Convertible Securities,  then
such record date shall be deemed to be the date of the issue, sale, distribution
or grant of the shares of Common  Stock  deemed to have been issued or sold upon
the declaration of such dividend or the making of such other distribution or the
date of the granting of such right of subscription or purchase,  as the case may
be.

                                       10
<PAGE>

                  (h) For  purposes of  determining  whether any  adjustment  is
required  pursuant to this Article IV any security of the Company  having rights
substantially equivalent to the Common Stock as to dividends or upon liquidation
dissolution  or winding up of the Company  shall be treated as if such  security
were Common Stock.

                  4.4 Dividends. If the Company shall after the date of issuance
of this  Warrant  issue or  distribute  to all or  substantially  all holders of
shares of Common Stock evidences of  indebtedness,  any other  securities of the
Company or any property,  assets or cash,  and if such issuance or  distribution
does not constitute a Common Stock Reorganization or a Common Stock Distribution
(any  such   nonexcluded   event  being  herein  called  a   "Dividend"),   then
simultaneously  with the payment of such  Dividend,  the Company will pay to the
Holder of this  Warrant an amount of property  (including,  without  limitation,
cash) and/or  securities  (including,  without  limitation,  securities of other
companies)  as would have been  received  by such Holder had it  exercised  this
Warrant  and  received  all of the  shares of  Common  Stock  issuable  upon the
exercise  of this  Warrant  immediately  prior  to the  record  date  (or  other
applicable  date) used for determining  stockholders of the Company  entitled to
receive such  Dividend.  No  adjustment in the shares of Common Stock subject to
purchase  upon the exercise of this  Warrant or in the  Exercise  Price shall be
made for any issuance or  distribution  to which the  provisions of this Section
apply.

                  4.5 Capital  Reorganization.  If after the date of issuance of
this Warrant there shall be any  consolidation or merger to which the Company is
a party,  other  than a  consolidation  or a merger  in which the  Company  is a
continuing  corporation and which does not result in any reclassification of, or
change (other than a Common Stock  Reorganization or a change in par value), in,
outstanding shares of Common Stock, or any sale or conveyance of the property of
the Company as an entirety or substantially as an entirety (any such event being
called a "Capital  Reorganization"),  then, effective upon the effective date of
such Capital  Reorganization,  the Holder shall have the right to purchase, upon
exercise  of this  Warrant,  the kind and  amount  of  shares of stock and other
securities  and property  (including  cash) which the Holder would have owned or
have been entitled to receive after such Capital  Reorganization if this Warrant
had been exercised  immediately prior to such Capital  Reorganization,  assuming
such  holder (i) is not a person  with which the  Company  consolidated  or into
which the Company  merged or which merged into the Company or to which such sale
or  conveyance  was  made,  as the case  may be  ("constituent  person"),  or an
Affiliate  of a  constituent  person and (ii) failed to  exercise  his rights of
election, if any, as to the kind or amount of securities, cash or other property
receivable upon such Capital Reorganization (provided that if the kind or amount
of   securities,   cash  or  other   property   receivable   upon  such  Capital
Reorganization  is not the same for each share of Common Stock held  immediately
prior  to  such  consolidation,  merger,  sale or  conveyance  by  other  than a
constituent  person or an Affiliate  thereof and in respect of which such rights
of election shall not have been exercised  ("non-electing  share"), then for the
purposes  of this  Section  the kind and  amount  of  shares  of stock and other
securities  or other  property  (including  cash)  receivable  upon such Capital
Reorganization shall be deemed to be the kind and amount so receivable per share
by a plurality of the non-electing  shares).  The provisions of this Section 4.5
shall similarly apply to successive  Capital  Reorganizations.  Without limiting
the  generality  of the first  sentence of this  Section 4.5, the effect of such

                                       11
<PAGE>

sentence  in the  context of a merger  ("Formation  Merger")  of the  Company in
connection with the formation of a holding company ("Holding Company"), in which
merger the holders of Common Stock receive  solely shares of common stock of the
Holding  Company,  and the number of fully diluted shares of outstanding  common
stock of the Holding Company immediately following the Formation Merger is equal
to the number of fully diluted shares of outstanding Common Stock of the Company
immediately  prior  to the  Merger,  shall be that  (i)  this  Warrant  shall be
exercisable  for the  number of shares of common  stock of the  Holding  Company
which the  Holder  would  have  owned or have been  entitled  to receive if this
Warrant had been exercised  immediately prior to such Formation Merger, and (ii)
the  provisions  of  Article  III,  this  Article  IV,  and  Section  6.10 shall
thereafter apply to the Holding Company,  such that references to the Company in
such  Articles and such Section  shall be deemed to be references to the Holding
Company,  and references to the Common Stock shall be deemed to be references to
the common stock of the Holding Company.

                  4.6 Adjustment  Rules.  (a) Any  adjustments  pursuant to this
Article IV shall be made successively whenever an event referred to herein shall
occur.

                  (b) If the Company  shall set a record date to  determine  the
holders of shares of Common Stock for purposes of a Common Stock Reorganization,
Common Stock Distribution, Dividend or Capital Reorganization, and shall legally
abandon such action prior to effecting such action,  then no adjustment shall be
made pursuant to this Article IV in respect of such action.

                  (c) No  adjustment  in the amount of shares  purchasable  upon
exercise of this Warrant or in the Exercise Price shall be made pursuant to this
Article IV unless such adjustment increases or decreases such amount or price by
one percent or more, but any such lesser adjustment shall be carried forward and
shall be made at the time and together with the next subsequent adjustment which
together  with any  adjustments  so carried  forward  shall serve to adjust such
amount or price by one percent or more.

                  (d) No  adjustment  in   the  Exercise  Price  shall  be  made
hereunder if such adjustment  would reduce the exercise price to an amount below
par value of the Common  Stock,  which par value  shall  initially  be $0.01 per
share of Common Stock.

                  (e) Notwithstanding   anything  in   this  Agreement  to   the
contrary,  no adjustment  shall be made pursuant to this Article IV or otherwise
(including  without limitation in the amount of shares purchasable upon exercise
of this  Warrant or in the  Exercise  Price) in respect of or as a result of (i)
the issuance (or deemed  issuance)  or  repurchase  of shares of Common Stock in
connection  with the  exercise of the  Warrants or (ii) the  issuance (or deemed
issuance),  sale,  grant or distribution  of shares of Common Stock,  Options or
Convertible  Securities  in an  underwritten  public  offering,  or a Rule  144A
offering,  managed by a nationally or regionally  recognized  investment banking
firm,  (iii) the issuance (or deemed  issuance),  sale,  grant,  distribution or
repurchase of shares of Common Stock, Options or Convertible Securities,  or any
other transaction,  if any such issuance, sale, grant, distribution,  repurchase
or other  transaction  is between  the  Company  and any person or entity not an
Affiliate of the Company or is part of or made pursuant to a transaction between
the Company and any person or entity not an Affiliate of the Company  (including

                                       12
<PAGE>

without limitation any issuance (or deemed issuance),  sale, grant, distribution
or repurchase of shares of Common Stock,  Options, or Convertible  Securities as
part of or  pursuant  to a merger  between  the  Company  and an  entity  not an
Affiliate  of the  Company or the  purchase of  substantially  all assets by the
Company of an entity not an  Affiliate  of the  Company),  (iv) the issuance (or
deemed issuance),  sale,  grant,  distribution or repurchase of shares of Common
Stock, Options or Convertible Securities to or from an Affiliate of the Company,
or any other transaction with an Affiliate of the Company, if any such issuance,
sale, distribution,  repurchase or other transaction is approved by the majority
of directors not affiliated with such Affiliate,  or (v) the issuance (or deemed
issuance),  sale,  grant,  distribution or repurchase of shares of Common Stock,
Options or Convertible  Securities to or from an employee of the Company, or any
other transaction with an employee of the Company, (including without limitation
the  granting  of  stock  options,   restricted   stock  or  other   stock-based
compensation  to an  employee  of the  Company),  if any  such  issuance,  sale,
distribution,  repurchase  or other  transaction  is approved by the majority of
non-employee  directors  of the  Company,  or by the  majority  of  non-employee
directors on a committee of directors  consisting  of at least two  non-employee
directors of the Company.  The issuance of Common Stock to KLT Telecom Inc. upon
conversion  of preferred  stock owned by KLT Telecom Inc.  pursuant to the Stock
Purchase  Agreement  dated  December 31, 1996 by and between the Company and KLT
Telecom Inc. is included  within  category (iii) in the previous  sentence,  and
following  the  Formation  Merger,  in which  such  preferred  stock held by KLT
Telecom is exchanged  for preferred  stock of the Holding  Company with the same
rights of conversion,  the issuance of common stock of the Holding  Company upon
conversion of such  preferred  stock of the Holding  Company is included  within
category (iii) in the previous sentence.  Notwithstanding  the first sentence of
this  Section  4.6(e),  this  Section  4.6(e)  shall not  operate  to prevent an
adjustment  pursuant to the other  provisions  of this Article IV for (i) Common
Stock  Reorganizations,  dividends  of  Common  Stock,  Options  or  Convertible
Securities,  or Capital  Reorganizations,  affecting all holders of Common Stock
similarly  situated or (ii) the  issuance  (or deemed  issuance),  sale,  grant,
distribution  or repurchase of shares of Common  Stock,  Options or  Convertible
Securities to or from an Affiliate of the Company, or any other transaction with
an Affiliate of the Company, if such issuance, sale, distribution, repurchase or
other  transaction  is  voted  for  by the  directors  affiliated  with  another
Affiliate of the Company with the agreement or understanding  that the directors
affiliated  with such Affiliate  shall in exchange vote in favor of the issuance
(or deemed  issuance),  sale,  grant,  distribution  or  repurchase of shares of
Common Stock, Options or Convertible Securities to or from such other Affiliate,
or any other transaction with such other Affiliate.

                  4.7 Proceedings Prior to Any Action Requiring Adjustment. As a
condition  precedent  to the  taking  of  any  action  which  would  require  an
adjustment  pursuant to this Article IV, the Company shall take any action which
may be necessary,  including obtaining  regulatory  approvals or exemptions,  in
order that the Company may  thereafter  validly and legally  issue as fully paid
and  nonassessable  all shares of Common Stock which the holders of Warrants are
entitled to receive upon exercise thereof.

                                      13
<PAGE>


                                    ARTICLE V

                                   DEFINITIONS

                  The  following  terms,  as  used  in this  Warrant,  have  the
following respective meanings:

                  "Affiliate"  means, with respect to any person or entity,  any
other person or entity  controlling,  controlled by or under common control with
such person or entity.

                  "Appraisal   Procedure"   means  a   procedure   whereby   two
independent  appraisers,  one  chosen by the  Company  and one by the  Requisite
Holders,  shall  mutually  agree  upon the  determinations  then the  subject of
appraisal.  Each  party  shall  deliver  a notice to the  other  appointing  its
appraiser within 15 days after the Appraisal  Procedure is invoked. If within 30
days after  appointment of the two appraisers  they are unable to agree upon the
amount in question, a third independent appraiser shall be chosen within 10 days
thereafter by the mutual  consent of such first two appraisers or, if such first
two appraisers  fail to agree upon the  appointment of a third  appraiser,  such
appointment  shall  be  made by the  American  Arbitration  Association,  or any
organization successor thereto, from a panel of arbitrators having experience in
the appraisal of the subject  matter to be appraised.  The decision of the third
appraiser  so  appointed  and  chosen  shall be given  within 30 days  after the
selection of such third  appraiser.  If three  appraisers shall be appointed and
the determination of one appraiser is disparate from the middle determination by
more than twice the amount by which the other  determination  is disparate  from
the middle  determination,  then the  determination  of such appraiser  shall be
excluded,  the remaining two  determinations  shall be averaged and such average
shall be binding and conclusive on the Company and the Warrantholders; otherwise
the average of all three  determinations  shall be binding and conclusive on the
Company and the Warrantholders.  The costs of conducting any Appraisal Procedure
shall be borne by the Warrantholders requesting such Appraisal Procedure, except
that if  such  Appraisal  Procedure  shall  result  in a  determination  that is
disparate by 10% or more to the benefit of the holder from the Company's initial
determination,  all costs of conducting such Appraisal  Procedure shall be borne
by the Company.

                  "Business  Day" shall mean (a) if any class of Common Stock is
listed or admitted to trading on a national securities  exchange, a day on which
the principal national  securities  exchange on which such class of Common Stock
is listed or  admitted  to  trading is open for  business  or (b) if no class of
Common  Stock is so listed or admitted  to trading,  a day on which any New York
Stock Exchange member fire is open for business.

                  "Capital  Reorganization"  shall have the meaning set forth in
Section 4.5.

                  "Closing  Price" with respect to any security on any day means
(a) if such security is listed or admitted for trading on a national  securities
exchange, the reported last sales price regular way or, if no such reported sale
occurs on such day, the average of the closing bid and asked prices  regular way
on such day, in each case as reported in the principal consolidated  transaction
reporting  system with respect to securities  listed on the  principal  national

                                       14
<PAGE>

securities  exchange  on which such class of  security  is listed or admitted to
trading,  or (b) if such  security  is not listed or  admitted to trading on any
national securities exchange, the last quoted sales price, or, if not so quoted,
the average of the high bid and low asked prices in the over-the-counter  market
on such day as  reported by NASDAQ or any  comparable  system then in use or, if
not so  reported,  as  reported  by any New  York  Stock  Exchange  member  firm
reasonably selected by the Company for such purpose.

                  "Common  Stock"  shall have the meaning set forth in the first
paragraph of this Warrant subject to adjustment pursuant to Article IV.

                  "Common Stock  Distribution"  shall have the meaning set forth
in Section 4.3(a).

                  "Common Stock Reorganization" shall have the meaning set forth
in Section 4.2.

                  "Company"  shall  have the  meaning  set  forth  in the  first
paragraph of this Warrant.

                  "Convertible  Securities"  shall have the meaning set forth in
Section 4.3(b).

                  "Dividend" shall have the meaning set forth in Section 4.4.

                  "Exchange Act" means the  Securities  Exchange Act of 1934, as
amended,  and any  similar  or  successor  federal  statute,  and the  rules and
regulations  of the  Securities  and  Exchange  Commission  (or  its  successor)
thereunder, all as the same shall be in effect at the time.

                  "Exercise  Price"  shall mean $0.01 per share of Common  Stock
purchaseable upon exercise of this Warrant..

                  "Fair  Market  Value"  means  the  fair  market  value  of the
business or property in question,  as  determined  in good faith by the Board of
Directors of the Company,  provided,  however, that the Fair Market Value of any
security  for which a Closing  Price is  available  shall be the Market Price of
such  security.  The Fair Market  Value of the Company  shall be the Fair Market
Value of the Company and its  subsidiaries  as a going concern.  Notwithstanding
the foregoing,  if, at any date of determination of the Fair Market Value of the
Company,  the Common Stock of any class shall then be publicly traded,  the Fair
Market  Value of the Company on such date shall be the Market Price on such date
multiplied  by the number of shares of Common  Stock on a fully  diluted  basis,
giving effect to any  consideration to be paid to the Company in connection with
the exercise or conversion  of any security.  Fair Market Value shall be reduced
by any commission or concession  paid or allowed in connection with the issuance
(or deemed issuance),  sale, grant, distribution of any Common Stock, Options or
Convertible Securities.

                  "Holder"  shall  have  the  meaning  set  forth  in the  first
paragraph of this Warrant.

                                       15
<PAGE>


                  "Market  Price" with  respect to any security on any day means
the average of the daily Closing  Prices of a share or unit of such security for
the 10  consecutive  Business  Days ending on the most recent  Business  Day for
which a Closing Price is available;  provided,  however, that in the event that,
in the case of Common  Stock,  the Market  Price is  determined  during a period
following the  announcement  by the Company of (A) a dividend or distribution of
Common Stock, or (B) any subdivision,  combination or reclassification of Common
Stock and prior to the expiration of 20 Business Days after the ex-dividend date
for such  dividend or  distribution,  or the record  date for such  subdivision,
combination or  reclassification,  then, and in each such case, the Market Price
shall be  appropriately  adjusted to reflect the current  market price per share
equivalent  of  Common  Stock.  In the case of an  underwritten  initial  public
offering of the Common  Stock,  Market  Price shall be deemed to be the price at
which the shares of Common  Stock are offered to the public by the  underwriters
as reflected in the final prospectus for such offering.

                  "NASD" means The National  Association of Securities  Dealers,
Inc.

                  "NASDAQ" means The National Association of Securities Dealers,
Inc. Automated Quotation System.

                  "Options" shall have the meaning set forth in Section 4.3(b).

                  "Requisite  Holders" means the Holders of Warrants to purchase
a majority of the shares of Common Stock  issuable upon exercise of the Warrants
(excluding  Warrants held by the Company or any of its subsidiaries) at the time
outstanding.

                  "Securities  Act" shall mean the  Securities  Act of 1933,  as
amended,  and any  similar  or  successor  federal  statute,  and the  rules and
regulations  of the  Securities  and  Exchange  Commission  for  its  successor)
thereunder, all as the sane shall be in effect at the time.

                  "Warrantholder" means a holder of a Warrant.

                  "Warrants"  shall  have the  meaning  set  forth in the  first
paragraph of this Warrant.

                                   ARTICLE VI

                                  MISCELLANEOUS

                  6.1  Notices.  All  notices,  requests,   consents  and  other
communications  provided  for herein  shall be in writing and shall be effective
upon  delivery in person,  faxed,  or mailed by  certified or  registered  mail,
return receipt requested, postage pre-paid, addressed as follows:

                                       16
<PAGE>

                  (i)  if to the  Company,  to  Digital  Teleport,  Inc.,  11111
                  Dorsett Road, St. Louis, MO 63043, Attention:  President; with
                  a copy to Bryan Cave, LLP, 1 Metropolitan  Square, Suite 3600,
                  St. Louis, MO 63102-2750, Attention: J. Mark Klamer, Esq.;

                  (ii) if to an initial  Holder of Warrants,  to such Holder c/o
                  Banque  Indosuez,  New  York  Branch,  at 1211  Avenue  of the
                  Americas,  7th Floor, New York, New York 10036, with a copy to
                  Cahill Gordon & Reindel,  80 Pine Street,  New York,  New York
                  10005,  Attention:   John  Schuster,   Esq.,  and  if  to  any
                  subsequent  Holder of  Warrants,  to it at such address as may
                  have been furnished to the Company in writing by such Holder;

or, in any case, at ouch other address or addresses as shall have been furnished
in  writing  to the  Company  (in the case of a holder  of  Warrants)  or to the
Holders  of  Warrants  (in the  case of the  Company)  in  accordance  with  the
provisions of this paragraph.

                  6.2 Waivers;  Amendments. No failure or delay of the Holder in
exercising any power or right hereunder  shall operate as a waiver thereof,  nor
shall  any  single  or  partial  exercise  of any such  right or  power,  or any
abandonment  or  discontinuance  of steps  to  enforce  such a right  or  power,
preclude  any other or further  exercise  thereof or the  exercise  of any other
right or power.  The rights and  remedies of the Holder are  cumulative  and not
exclusive  of any  rights  or  remedies  which  it  would  otherwise  have.  The
provisions  of this  Warrant may be  amended,  modified or waived with (and only
with) the written  consent of the Company and the Requisite  Holders;  provided,
however,  that no such  amendment,  modification  or waiver  shall,  without the
written consent of each Warrantholder whose interest might be adversely affected
by such amendment,  modification  or waiver,  (a) change the number of shares of
Common Stock subject to purchase  upon  exercise of this  Warrant,  the Exercise
Price or  provisions  for  payment  thereof  or (b)  amend,  modify or waive the
provisions of this Section or Articles III or IV.

                  Any such amendment,  modification or waiver effected  pursuant
to this  Section  shall be binding  upon the holders of all Warrants and Warrant
Shares,  upon each future holder  thereof and upon the Company.  In the event of
any such amendment,  modification or waiver the Company shall give prompt notice
thereof to all  Warrantholders  and, it appropriate,  notation  thereof shall be
made on all Warrants  thereafter  surrendered  for  registration  of transfer or
exchange.

                  No notice or demand on the  Company in any case shall  entitle
the  Company  to any other or  further  notice or  demand  in  similar  or other
circumstances.

                  6.3  Governing   Law.  This  Warrant  shall  be  construed  in
accordance with and governed by the laws of the State of Missouri without regard
to principles of conflicts of law.

                  6.4  Survival of Agreements;  Representations  and  Warranties
etc. All representations, warranties and covenants made by the Company herein or
in any  certificate  or other  instrument  delivered  by or on  behalf  of it in
connection with the Warrants shall be considered to have been relied upon by the

                                       17
<PAGE>

Holder and shall survive the issuance and delivery of the  Warrants,  regardless
of any  investigation  made by the Holder,  and shall continue in full force and
effect  so long as any  Warrant  is  outstanding.  All  statements  in any  such
certificate or other instrument shall constitute  representations and warranties
hereunder.

                  6.5  Covenants to Bind Successor and Assigns.  All  covenants,
stipulations,  promises and agreements in this Warrant contained by or on behalf
of the  Company  and the  Holder  shall  bind their  respective  successors  and
assigns, whether so expressed or not.

                  6.6  Severability.  In case any one or more of the  provisions
contained  in this Warrant  shall be invalid,  illegal or  unenforceable  in any
respect,  the validity,  legality or enforceability of the remaining  provisions
contained  herein  shall not in any way be  affected or  impaired  thereby.  The
parties  shall  endeavor  in good faith  negotiations  to replace  the  invalid,
illegal or unenforceable provisions with valid provisions the economic effect of
which  comes  as  close  as  possible  to  that  of  the  invalid,   illegal  or
unenforceable provisions.

                  6.7  Section Headings.  The sections  headings used herein are
for  convenience of reference  only, are not part of this Warrant and are not to
affect the construction of or be taken into  consideration in interpreting  this
Warrant.

                  6.8  No Rights as Stockholder.  This Warrant shall not entitle
the  Holder  to any  rights  as a  stockholder  of the  Company,  including  any
fiduciary duties of the directors of the Company.

                  6.9  No Impairment.  The  Company  shall  not  by  any  action
including,  without  limitation,  amending its certificate of  incorporation  or
through  any  reorganization,   transfer  of  assets,   consolidation,   merger,
dissolution, issue or sale of securities or any other voluntary action, avoid or
seek to avoid the observance or performance of any at the terms of this Warrant,
but will at all times in good faith assist in the carrying out of all such terms
and in the taking of all such  actions as may be  necessary  or  appropriate  to
protect  the rights of the  Holder  against  impairment.  Without  limiting  the
generality of the foregoing,  the Company will (a) not,  directly or indirectly,
increase  the par  value of any  shares  of  Common  Stock  receivable  upon the
exercise of this warrant  above the amount  payable  therefor upon such exercise
immediately prior to such increase in par value, (b) take all such action as may
be  necessary or  appropriate  in order that the Company may validly and legally
issue fully paid and  nonassessable  shares of Common Stock upon the exercise of
this warrant, and (c) use its commercially reasonable best efforts to obtain all
such  authorizations  exemptions  or consents  from any public  regulatory  body
having jurisdiction thereof as may be necessary to enable the Company to perform
its obligations under this Warrant.

                  6.10 Stock  Sales.  (a) If both KLT Telecom  Inc.  ("KLT") and
Richard D. Weinstein  ("Weinstein") agree to sell a substantial portion of their
Common  Stock to a third  party in any one  transaction  or  series  of  related
transactions  (other  than a public  offering),  then  upon the  request  of the
Holder,  KLT and Weinstein shall afford to the Holder the opportunity to sell to
such third party (i) the same  percentage of Common Stock issuable upon exercise

                                       18
<PAGE>

of this Warrant as is being sold by KLT and  Weinstein  on a combined  basis (as
measured at the time of the  transaction,  or the first of any series of related
transactions),  (ii)  at the  same  price  and  (iii)  on  the  same  terms  and
conditions,  as KLT and  Weinstein  have agreed to sell their Common  Stock.  If
either  KLT,  on the one  hand,  or  Weinstein,  on the  other,  agree to sell a
significant   portion  of  its  or  his  Common   Stock  to  Weinstein  or  KLT,
respectively, then upon the request of the Holder, KLT or Weinstein, as the case
may be, shall afford to the Holder the  opportunity to sell to Weinstein or KLT,
respectively  (i) the same  percentage of Common Stock issuable upon exercise of
this  Warrant as is being sold by KLT or Weinstein  on an  individual  basis (as
measured at the time of the  transaction,  or the first of any series of related
transactions),  (ii)  at the  same  price  and  (iii)  on  the  same  terms  and
conditions,  as KLT or Weinstein,  as the case may be, have agreed to sell their
Common Stock. The phrase "substantial portion", as used in the first sentence of
this  Section  6.10(a),  shall  mean  any  sale of 55% or  more of the  combined
holdings of KLT and Weinstein,  and the phrase "significant  portion" as used in
the second sentence of this Section 6.10(a),  shall mean any sale of 10% or more
of KLT's or Weinstein's individual holding, as the case may be.

                  (b) If both KLT Telecom Inc.  ("KLT") and Richard D. Weinstein
("Weinstein")  agree to sell a  substantial  portion of their  Common Stock to a
third party in any one transaction or series of related transactions (other than
a public  offering),  then KLT and Weinstein shall have the right to require the
Holder to sell to such  third  party  (i) the same  percentage  of Common  Stock
issuable  upon exercise of this Warrant as is being sold by KLT and Weinstein on
a combined  basis (as measured at the time of the  transaction,  or the first of
any  series of  related  transactions),  (ii) at the same price and (iii) on the
same terms and conditions, as KLT and Weinstein have agreed to sell their Common
Stock. If either KLT, on the one hand, or Weinstein, on the other, agree to sell
a  significant  portion  of  its  or his  Common  Stock  to  Weinstein  or  KLT,
respectively, then KLT or Weinstein, as the case may be, shall have the right to
require  the  Holder  to sell to  Weinstein  or KLT,  respectively  (i) the same
percentage  of Common Stock  issuable  upon exercise of this Warrant as is being
sold by KLT or Weinstein on an individual  basis (as measured at the time of the
transaction,  or the first of any series of related  transactions),  (ii) at the
same price and (iii) on the same terms and conditions,  as KLT or Weinstein,  as
the case may be, have agreed to sell their Common Stock. The phrase "substantial
portion", as used in the first sentence of this Section 6.10(b),  shall mean any
sale of 55% or more  of the  combined  holdings  of KLT and  Weinstein,  and the
phrase  "significant  portion" as used in the second  sentence  of this  Section
6.10(b),  shall mean any sale of 10% or more of KLT's or Weinstein's  individual
holding, as the case may be.

                   (c) Prior to making any sale  covered  by Section  6.10(a) or
6.10(b) ("Stock Sale"), KLT and Richard D. Weinstein shall provide the holder of
this  Warrant  with written  notice (the "Sale  Notice") in the manner  provided
herein.  If KLT and/or Weinstein are exercising their rights pursuant to Section
6.10(b),  or if the consideration in a Stock Sale is cash, the Sale Notice shall
be given at least ten days prior to the proposed date of such sale. In all other
situations, the notice shall be given fifteen days prior to the proposed date of
such sale.  The Sale  Notice will  indicate  whether  KLT and/or  Weinstein  are
exercising  their  rights  pursuant to Section  6.10(b),  and will  identify the
proposed  purchaser,  the  percentage  of Common Stock to be sold,  the proposed
amount and form of  consideration to be paid per share, the terms and conditions

                                       19
<PAGE>

of payment and the  proposed  date of such sale  ("Stock Sale Date") and, if KLT
and Weinstein are not exercising  their rights pursuant to Section  6.10(b),  an
address or  facsimile  telephone  number to which the Holder must give notice of
its intention to exercise its rights  pursuant to Section  6.10(a).  To exercise
its rights under Section 6.10(a), the Holder must give written notice to KLT and
Weinstein at such address or telephone  facsimile  telephone number at least one
day prior to Closing.

                  (d) On the Stock  Sale  Date,  if KLT  and/or  Weinstein  have
exercised  their  rights  pursuant  to  Section  6.10(b),  or if the  holder has
exercised its rights under Section 6.10(a),  then the holder shall exercise this
Warrant as specified in Section 1.1 of this Warrant prior to the consummation of
the Stock  Sale,  and shall  deliver the  certificates  for the shares of Common
Stock  issuable upon  exercise of this Warrant,  together with such stock powers
and other appropriate  instruments of assignment duly executed, to the purchaser
in the manner and at the address indicated in the Sale Notice,  against delivery
of the purchase price therefor.

                  (e) The rights and  obligations  under this Section 6.10 shall
not extend to any  successor to part or all of the interest of Weinstein or KLT,
unless in a writing delivered to the Holder such successor agrees to be bound by
this Section  6.10, in which event such  successor  shall be bound by, and shall
have the rights set forth in, this  Section 6.10 as if such  successor  had been
named  in this  Section  6.10  (including  without  limitation  in this  Section
6.10(e)) in lieu of Weinstein or KLT or, if not all of the stock of Weinstein or
KLT is sold,  in addition to  Weinstein  and KLT. If  Weinstein  or KLT, but not
both,  sells  all of his or its  Common  Stock,  as the  case  may  be,  and the
successor  does not  agree to be bound by this  Section  6.10,  the  rights  and
obligations  of this  Section  6.10  shall  continue  to apply to  whichever  of
Weinstein or KLT did not sell,  as if the selling  party had never been named in
this Section 6.10.  If Weinstein or KLT, or both,  sells less than all of his or
its Common  Stock,  as the case may be, and any  successor  does not agree to be
bound by this  Section  6.10,  the rights and  obligations  of this Section 6.10
shall  continue to apply to  Weinstein  or KLT with  respect to their  remaining
holdings.

                  (f) This Section 6.10 shall  terminate upon the later to occur
of (i) the date of an initial public offering of the Common Stock,  and (ii) the
time at which the  Holder  may sell  free of  restriction  pursuant  to Rule 144
promulgated under the Securities Act of 1933, as amended.

                                       20
<PAGE>

                  IN WITNESS  WHEREOF,  DIGITAL  TELEPORT,  INC. has caused this
Warrant to be executed in its  corporate  name by one of its  officers  hereunto
duly authorized, and attested by its Secretary or an Assistant Secretary, all as
of the day and year first above written.

                                                     DIGITAL TELEPORT, INC.



                                                 By:
                                                    ----------------------------
                                                     Name:  Richard D. Weinstein
                                                     Title:   President

Attest:



------------------------------------
Name:  James P. Gilligan
Title: Assistant Secretary


                  IN  WITNESS   WHEREOF,   and  solely  for  purposes  of  their
obligations  in Section  6.10 of this  Warrant,  KLT Telecom Inc. and Richard D.
Weinstein have caused this Warrant to be executed.


KLT TELECOM INC.



--------------------------------               ---------------------------------
Ronald G. Wasson                               Richard D. Weinstein



                                       21
<PAGE>


                               SUBSCRIPTION NOTICE

                    (To be executed upon exercise of Warrant)

         TO DIGITAL TELEPORT, INC.:

                  The  undersigned  hereby  irrevocably  elects to exercise  the
right to purchase  represented  by the  attached  Warrant  for,  and to purchase
thereunder,  shares of voting Common Stock, as provided for therein, and tenders
herewith  payment of the Exercise Price in full in accordance  with the terms of
the attached Warrant.

                  Please issue a certificate or certificates  for such shares of
Common Stock in the following name or names and denominations:

                  If said number of shares shall not be all the shares  issuable
upon exercise of the attached Warrant, a new warrant is to be issued in the name
of the undersigned for the balance remaining of such shares less any fraction of
a share paid in cash.

Dated:_________________________________, 19___



                                              ----------------------------------
                                              Note: The  above  signature should
                                                    correspond exactly  with the
                                                    name  on  the  face of   the
                                                    attached Warrant or with the
                                                    name   of    the    assignee
                                                    appearing in the  assignment
                                                    form below.

                                       22
<PAGE>

                                 ASSIGNMENT

                   (To be executed upon assignment of Warrant)

                  For value received,  ___________________________ hereby sells,
assigns and transfers unto _______________________the attached Warrant, together
with all  rights,  title  and  interest  therein,  and does  hereby  irrevocably
constitute and appoint _______________________ attorney to transfer said Warrant
on the books of Digital  Teleport,  Inc., with full power of substitution in the
premises.




                                              ---------------------------------
                                              Note: The  above  signature should
                                                    correspond exactly  with the
                                                    name  on  the  face of   the
                                                    attached Warrant.




















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