Document:

<PAGE>   1

                                                                    EXHIBIT 4.18

                                   VERIO INC.

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

                     10-5/8% SENIOR NOTES DUE 2009, SERIES B

CUSIP No.                                                             $
          ----------
No.
    -----------

               VERIO INC., a corporation incorporated under the laws of the
State of Delaware (herein called the "Company," which term includes any
successor corporation under this Indenture hereinafter referred to), for value
received, hereby promises to pay to ___________ or registered assigns, the
principal sum of _______________ Dollars on November 15, 2009, at the office or
agency of the Company referred to below, and to pay interest thereon on May 15
and November 15 (each, an "Interest Payment Date"), of each year, commencing on
May 15, 2000, accruing from the Issue Date or from the most recent Interest
Payment Date to which interest has been paid or duly provided for, at the rate
of 10-5/8% per annum, until the principal hereof is paid or duly provided for.
Interest shall be computed on the basis of a 360-day year of twelve 30-day
months.

               The interest so payable, and punctually paid or duly provided
for, on any Interest Payment Date will, as provided in the Indenture referred to
on the reverse hereof, be paid to the person in whose name this Note (or one or
more Predecessor Notes) is registered at the close of business on May 1 and
November 1 (each, a "Regular Record Date"), whether or not a Business Day, as
the case may be, next preceding such Interest Payment Date. Any such interest
not so punctually paid, or duly provided for, and interest on such defaulted
interest at the then applicable interest rate borne by the Notes, to the extent
lawful, shall forthwith cease to be payable to the Holder on such Regular Record
Date, and may be paid to the person in whose name this Note (or one or more
Predecessor Notes) is registered at the close of business on a Special Record
Date for the payment of such defaulted interest to be fixed by the Trustee,
notice of which shall be given to Holders of Notes not less than 10 days prior
to such Special Record Date, or may be paid at any time in any other lawful
manner not inconsistent with the requirements of any securities exchange on
which the Notes may be listed, and upon such notice as may be required by such
exchange, all as more fully provided in such Indenture.

               Payment of the principal of, premium, if any, and interest on
this Note will be made at the office or agency of the Company maintained for
that purpose in the Borough of Manhattan in The City of New York, State of New
York, or at such other office or agency of the Company as may be maintained for
such purpose, in such coin or currency of the United

                                     A-2-1

<PAGE>   2

States of America as at the time of payment is legal tender for payment of
public and private debts; provided, however, that payment of interest may be
made at the option of the Company by check mailed to the address of the person
entitled thereto as such address shall appear on the Note Register.

               Reference is hereby made to the further provisions of this Note
set forth on the reverse hereof.

               Unless the certificate of authentication hereon has been duly
executed by the Trustee referred to on the reverse hereof by manual signature,
this Note shall not be entitled to any benefit under the Indenture, or be valid
or obligatory for any purpose.

                  [Remainder of Page Intentionally Left Blank]

                                     A-2-2

<PAGE>   3

               IN WITNESS WHEREOF, the Company has caused this instrument to be
duly executed.

Dated:                           VERIO INC.

                                 By:
                                    --------------------------------------------
                                    Name:
                                    Title:

                                 By:
                                    --------------------------------------------
                                    Name:
                                    Title:

                     TRUSTEE'S CERTIFICATE OF AUTHENTICATION

               This is one of the 10-5/8% Senior Notes due 2009, Series B,
referred to in the within-mentioned Indenture.

                                 U.S. BANK TRUST NATIONAL
                                      ASSOCIATION, as Trustee

                                 By:
                                    --------------------------------------------
                                    Authorized Signatory

                                     A-2-3

<PAGE>   4

                                [REVERSE OF NOTE]

               1. Indenture. This Note is one of a duly authorized issue of
Notes of the Company designated as its 10-5/8% Senior Notes due 2009, Series B
(herein called the "Initial Notes"). The Notes are limited (except as otherwise
provided in the Indenture referred to below) in aggregate principal amount to
$400,000,000, which may be issued under an indenture (herein called the
"Indenture") dated as of November 19, 1999, by and between the Company and U.S.
Bank Trust National Association, as trustee (herein called the "Trustee," which
term includes any successor Trustee under the Indenture), to which Indenture and
all indentures supplemental thereto reference is hereby made for a statement of
the respective rights, limitations of rights, duties, obligations and immunities
thereunder of the Company, the Trustee and the Holders of the Notes, and of the
terms upon which the Notes are, and are to be, authenticated and delivered. The
Notes include the Initial Notes, the Private Exchange Notes and the Unrestricted
Notes (including the Exchange Notes referred to below), issued in exchange for
the Initial Notes pursuant to the Registration Rights Agreement. The Initial
Notes and the Unrestricted Notes are treated as a single class of securities
under the Indenture.

               All capitalized terms used in this Note which are defined in the
Indenture and not otherwise defined herein shall have the meanings assigned to
them in the Indenture.

               The terms of the Notes include those stated in the Indenture and
those made part of the Indenture by reference to the Trust Indenture Act of 1939
(15 U.S.C. Sections 77aaa-77bbbb) (the "TIA"), as in effect on the date of the
Indenture. Notwithstanding anything to the contrary herein, the Notes are
subject to all such terms, and Holders of Notes are referred to the Indenture
and the TIA for a statement of such terms.

               No reference herein to the Indenture and no provisions of this
Note or of the Indenture shall alter or impair the obligation of the Company,
which is absolute and unconditional, to pay the principal of, premium, if any,
and interest on this Note at the times, place, and rate, and in the coin or
currency, herein prescribed.

               2. Redemption. The Notes will be redeemable, at the option of the
Company, in whole or in part, on or after November 15, 2004 upon not less than
30 nor more than 60 days' written notice at the redemption prices (expressed as
percentages of principal amount) set forth below, plus accrued and unpaid
interest thereon, if any, to the applicable redemption date, if redeemed during
the twelve-month period beginning on November 15 of each of the years indicated
below:

                                     A-2-4

<PAGE>   5

<TABLE>
<CAPTION>
   Year        Percentage
   ----        ----------
<S>             <C>
2004 .....      105.313%
2005 .....      103.542%
2006 .....      101.771%
2007 .....      100.000%
</TABLE>

               Notwithstanding the foregoing, in the event that after the Issue
Date and prior to November 15, 2002 the Company issues, in one or more
transactions, Capital Stock (other than Disqualified Stock) of the Company to
one or more Strategic Equity Investors or in any Equity Offering (an "Equity
Sale"), the Company may redeem, at its option, up to a maximum of 35% of the
initially Outstanding aggregate principal amount of Notes from the net proceeds
thereof at a redemption price equal to 110.625% of the principal amount of the
Notes, together with accrued and unpaid interest to the date of redemption;
provided that not less than $260.0 million aggregate principal amount of Notes
is Outstanding following such redemption. Any such redemption may only be
effected once and must be effected upon not less than 30 nor more than 60 days'
notice given within 180 days after such Equity Sale.

               3. Offers to Purchase. Sections 10.10 and 10.15 of the Indenture
provide that upon the occurrence of a Change of Control and following certain
Asset Sales, and subject to certain conditions and limitations contained
therein, the Company shall make an offer to purchase all or a portion of the
Notes in accordance with the procedures set forth in the Indenture.

               4. Defaults and Remedies. If an Event of Default occurs and is
continuing, the principal of all of the Outstanding Notes, plus all accrued and
unpaid interest, if any, to and including the date the Notes are paid, may be
declared due and payable in the manner and with the effect provided in this
Indenture.

               5. Defeasance. The Indenture contains provisions (which
provisions apply to this Note) for defeasance at any time of (a) the entire
indebtedness of the Company on this Note and (b) certain restrictive covenants
and related Defaults and Events of Default, in each case upon compliance by the
Company with certain conditions set forth therein.

               6. Amendments and Waivers. The Indenture permits, with certain
exceptions as provided therein, the amendment thereof and the modification of
the rights and obligations of the Company and the rights of the Holders under
the Indenture at any time by the Company and the Trustee with the consent of the
Holders of not less than a majority in aggregate principal amount of the Notes
at the time Outstanding. The Indenture also contains provisions permitting the
Holders of specified percentages in aggregate principal amount of the Notes at
the time Outstanding, on behalf of the Holders of all the Notes, to waive
compliance by the Company with certain provisions of the Indenture and certain
past Defaults under the Indenture and this Note and their consequences. Any such
consent or waiver by or on behalf of the Holder of this Note shall be conclusive
and binding upon such Holder and upon all future

                                     A-2-5

<PAGE>   6

Holders of this Note and of any Note issued upon the registration of transfer
hereof or in exchange herefor or in lieu hereof whether or not notation of such
consent or waiver is made upon this Note.

               7. Denominations, Transfer and Exchange. The Notes are issuable
only in registered form without coupons in denominations of $1,000 and any
integral multiple thereof. As provided in this Indenture and subject to certain
limitations therein set forth, the Notes are exchangeable for a like aggregate
principal amount of Notes of a different authorized denomination, as requested
by the Holder surrendering the same.

               As provided in the Indenture and subject to certain limitations
therein set forth, the transfer of this Note is registrable on the Note Register
of the Company, upon surrender of this Note for registration of transfer at the
office or agency of the Company maintained for such purpose in the Borough of
Manhattan in The City of New York, State of New York, or at such other office or
agency of the Company as may be maintained for such purpose, duly endorsed by,
or accompanied by a written instrument of transfer in form satisfactory to the
Company and the Registrar duly executed by, the Holder hereof or his attorney
duly authorized in writing, and thereupon one or more new Notes, of authorized
denominations and for the same aggregate principal amount, will be issued to the
designated transferee or transferees.

               No service charge shall be made for any registration of transfer
or exchange or redemption of Notes, but the Company may require payment of a sum
sufficient to cover any tax or other governmental charge payable in connection
therewith.

               8. Persons Deemed Owners. Prior to and at the time of due
presentment of this Note for registration of transfer, the Company, the Trustee
and any agent of the Company or the Trustee may treat the person in whose name
this Note is registered as the owner hereof for all purposes, whether or not
this Note shall be overdue, and neither the Company, the Trustee nor any agent
shall be affected by notice to the contrary.

               9. GOVERNING LAW. THE INDENTURE, THIS NOTE AND ANY GUARANTEE SET
FORTH BELOW SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF
THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO PRINCIPLES OF CONFLICTS OF LAW.

               The Company will furnish to any Holder of a Note upon written
request and without charge a copy of this Indenture. Requests may be made to:
Verio Inc., 8005 South Chester Street, Suite 200, Englewood, Colorado 80112.

                                     A-2-6

<PAGE>   7

                                 ASSIGNMENT FORM

If you the holder want to assign this Note, fill in the form below and have your
signature guaranteed:

I or we assign and transfer this Note to

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

(Insert assignee's social security or tax ID number)
                                                    ----------------------------

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

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

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

(Print or type assignee's name, address and zip code) and irrevocably appoint

--------------------------------------------------------------------------------
agent to transfer this Note on the books of the Company. The agent may
substitute another to act for such agent.

Date:                  Your signature:
     ---------------                  ------------------------------------------
                                       (Sign exactly as your name appears on the
                                       other side of this Note)

                                       By:
                                          --------------------------------------
                                          NOTICE:  To be executed by an
                                          executive officer

Signature Guarantee:
                    ---------------------------

                                     A-2-7

<PAGE>   8

                       OPTION OF HOLDER TO ELECT PURCHASE

               If you wish to have this Note purchased by the Company pursuant
to Section 10.10 or 10.15 of this Indenture, check the appropriate box:

               Section 10.10 [ ]                Section 10.15 [ ]

               If you wish to have a portion of this Note purchased by the
Company pursuant to Section 10.10 or 10.15 of this Indenture, state the amount:

               $
                -------------

Date:                  Your signature:
     --------------                   ------------------------------------------
                                       (Sign exactly as your name appears on the
                                       other side of this Note)

                                       By:
                                          --------------------------------------
                                          NOTICE:  To be executed by an
                                          executive officer

Signature Guarantee:
                    ------------------------------

                                     A-2-8

<PAGE>   9

                                                                       EXHIBIT B

                    FORM OF LEGEND FOR BOOK-ENTRY SECURITIES

               Any Global Note authenticated and delivered hereunder shall bear
a legend (which would be in addition to any other legends required in the case
of a Restricted Note) in substantially the following form:

               THIS NOTE IS A GLOBAL NOTE WITHIN THE MEANING OF THIS INDENTURE
     HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR A
     NOMINEE OF A DEPOSITORY OR A SUCCESSOR DEPOSITORY. THIS NOTE IS NOT
     EXCHANGEABLE FOR SECURITIES REGISTERED IN THE NAME OF A PERSON OTHER THAN
     THE DEPOSITORY OR ITS NOMINEE EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED
     IN THIS INDENTURE, AND NO TRANSFER OF THIS NOTE (OTHER THAN A TRANSFER OF
     THIS NOTE AS A WHOLE BY THE DEPOSITORY TO A NOMINEE OF THE DEPOSITORY OR BY
     A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER NOMINEE OF THE
     DEPOSITORY) MAY BE REGISTERED EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED
     IN THIS INDENTURE.

               UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED
     REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION
     ("DTC"), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER,
     EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME
     OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
     REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH
     OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
     TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY
     PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS
     AN INTEREST HEREIN.

                                       B-1

<PAGE>   10

                                                                       EXHIBIT C

                            Form of Certificate To Be
                          Delivered in Connection with
                    Transfers to Non-QIB Accredited Investors

Verio Inc.
8005 South Chester Street
Suite 200
Englewood, Colorado  80112

Ladies and Gentlemen:

               In connection with our proposed purchase of $      aggregate
principal amount of the 10-5/8% Senior Notes due 2009 (the "Notes") of Verio
Inc. (the "Company"), we confirm that:

               1. We understand that the Notes have not been registered under
     the Securities Act of 1933, as amended (the "Securities Act"), and, unless
     so registered, may not be sold except as permitted in the following
     sentence. We agree on our own behalf and on behalf of any investor account
     for which we are purchasing Notes to offer, sell or otherwise transfer such
     Notes prior to (x) the date which is two years (or such shorter period of
     time as permitted by Rule 144 under the Securities Act) after the later of
     the date of original issue of the Notes and (y) such later date, if any, as
     may be required by any subsequent change in applicable law (the "Resale
     Restriction Termination Date") only (a) to the Company, (b) pursuant to a
     registration statement which has been declared effective under the
     Securities Act, (c) so long as the Notes are eligible for resale pursuant
     to Rule 144A under the Securities Act, to a person we reasonably believe is
     a "qualified institutional buyer" under Rule 144A (a "QIB") that purchases
     for its own account or for the account of a QIB and to whom notice is given
     that the transfer is being made in reliance on Rule 144A, (d) pursuant to
     offers and sales that occur outside the United States to "foreign
     purchasers" (as defined below) in offshore transactions meeting the
     requirements of Rule 904 of Regulation S under the Securities Act, (e) to
     an institutional "accredited investor" within the meaning of subparagraph
     (a)(1), (2), (3) or (7) of Rule 501 under the Securities Act (an
     "Accredited Investor") that is purchasing for its own account or for the
     account of such an institutional "accredited investor," or (f) pursuant to
     any other available exemption from the registration requirements of the
     Securities Act, subject, in each of the foregoing cases, to any requirement
     of law that the disposition of our property or the property of such
     investor account or accounts be at all times within our or their control
     and to compliance

                                       C-1
<PAGE>   11

     with any applicable state securities laws. The foregoing restrictions on
     resale will not apply subsequent to the Resale Restriction Termination
     Date. If any resale or other transfer of the Notes is proposed to be made
     pursuant to clause (c) above prior to the Resale Restriction Termination
     Date, the transferor shall deliver a letter from the transferee
     substantially in the form of this letter to the Trustee, which shall
     provide, among other things, that the transferee is an Accredited Investor
     within the meaning of subparagraph (a)(1), (2), (3) or (7) of Rule 501
     under the Securities Act and that it is acquiring such Notes for investment
     purposes and not for distribution in violation of the Securities Act. Each
     purchaser acknowledges that the Company, the Trustee and the Transfer Agent
     and Registrar reserve the right prior to any offer, sale or other transfer
     prior to the Resale Restriction Termination Date of the Notes pursuant to
     clause (d), (e) or (f) above to require the delivery of an opinion of
     counsel, certification and/or other information satisfactory to the Company
     and the Trustee.

               2. We are an Accredited Investor or a QIB purchasing Notes for
     our own account or for the account of one or more Accredited Investors, and
     we are acquiring the Notes for investment purposes and not with a view to,
     or for offer or sale in connection with, any distribution in violation of
     the Securities Act or the securities laws of any state of the United States
     and we have such knowledge and experience in financial and business matters
     as to be capable of evaluating the merits and risks of our investment in
     the Notes, and we and any accounts for which we are acting are each able to
     bear the economic risk of our or its investment in the Notes for an
     indefinite period.

               3. We are acquiring the Notes purchased by us for our own account
     or for one or more accounts as to each of which we exercise sole investment
     discretion and we and any such account are (a) a QIB, aware that the sale
     is being made in reliance on Rule 144A under the Securities Act, (b) an
     Accredited Investor, or (c) a person other than a U.S. person ("foreign
     purchasers"), which term shall include dealers or other professional
     fiduciaries in the United States acting on a discretionary basis for
     foreign beneficial owners (other than an estate or trust) in offshore
     transactions meeting the requirements of Rules 903 and 904 of Regulation S
     under the Securities Act.

               4. We have received a copy of the Offering Memorandum and
     acknowledge that we have had access to such financial and other
     information, and have been afforded the opportunity to ask such questions
     of representatives of the Company and receive answers thereto, as we deem
     necessary in order to verify the information contained in the Offering
     Memorandum.

               5. We are not purchasing the Notes for or on behalf of, and will
     not transfer the Notes to, any pension or welfare plan (as defined in
     Section 3 of ERISA, except

                                       C-2
<PAGE>   12

     as may be permitted under ERISA and as described under "Notice to
     Investors" in the Offering Memorandum.

               6. In the event that we purchase any Notes, we will acquire Notes
     having an outstanding principal amount of at least $250,000 for our own
     account and $250,000 for each account for which we are acting.

               We understand that the Trustee and the Transfer Agent will not be
required to accept for registration of transfer any Notes acquired by us, except
upon presentation of evidence satisfactory to the Company and the Trustee that
the foregoing restrictions on transfer have been complied with. We further
understand that the Notes purchased by us will be in the form of definitive
physical certificates and that such certificates will bear a legend reflecting
the substance of this paragraph. We further agree to provide to any person
acquiring any of the Notes from us a notice advising such person that transfers
of such Notes are restricted as stated herein and that certificates representing
such Notes will bear a legend to that effect.

               We represent that you, the Company, the Trustee and others are
entitled to rely upon the truth and accuracy of our acknowledgments,
representations and agreements set forth herein, and we agree to notify you
promptly in writing if any of our acknowledgments, representations or agreements
herein cease to be accurate and complete. You are also irrevocably authorized to
produce this letter or a copy hereof to any interested party in any
administrative or legal proceeding or official inquiry with respect to the
matters covered hereby.

               We represent to you that we have full power to make the foregoing
acknowledgments, representations and agreements on our own behalf and on behalf
of any investor account for which we are acting as fiduciary agent.

               As used herein, the terms "offshore transaction," "United States"
and "U.S. person" have the respective meanings given to them in Regulation S
under the Securities Act.

               THIS LETTER SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE
WITH, THE LAWS OF THE STATE OF NEW YORK.

                                           Very truly yours,

                                           (Name of Purchaser)

By:
   --------------------------------

Date:
     ------------------------------

                                       C-3

<PAGE>   13

               Upon transfer, the Notes would be registered in the name of the
new beneficial owner as follows:

Name:
     ------------------------------

Address:
        ---------------------------

                                       C-4

<PAGE>   14

                                                                       EXHIBIT D

                       Form of Certificate To Be Delivered
                          in Connection with Transfers
                            Pursuant to Regulation S

                                                        -----------------, -----

U.S. Bank Trust National Association
180 East 5th Street
St. Paul, Minnesota  55101
Attention:  Corporate Trust Department

               Re: Verio Inc. (the "Company")
                   10-5/8% Senior Notes due 2009 (the "Securities")

Ladies and Gentlemen:

               In connection with our proposed sale of $      aggregate
principal amount of the Securities, we confirm that such sale has been effected
pursuant to and in accordance with Regulation S under the U.S. Securities Act of
1933, as amended (the "Securities Act"), and, accordingly, we represent that:

               (1) the offer of the Securities was not made to a person in the
     United States;

               (2) either (a) at the time the buy offer was originated, the
     transferee was outside the United States or we and any person acting on our
     behalf reasonably believed that the transferee was outside the United
     States, or (b) the transaction was executed in, on or through the
     facilities of a designated off-shore securities market and neither we nor
     any person acting on our behalf knows that the transaction has been
     pre-arranged with a buyer in the United States;

               (3) no directed selling efforts have been made in the United
     States in contravention of the requirements of Rule 903(b) or Rule 904(b)
     of Regulation S, as applicable;

               (4) the transaction is not part of a plan or scheme to evade the
     registration requirements of the Securities Act;

                                       D-1

<PAGE>   15

               (5) we have advised the transferee of the transfer restrictions
     applicable to the Securities;

               (6) if the circumstances set forth in Rule 904(c) under the
     Securities Act are applicable, we have complied with the additional
     conditions therein, including (if applicable) sending a confirmation or
     other notice stating that the Securities may be offered and sold during the
     restricted period specified in Rule 903(c)(2) or (3), as applicable, in
     accordance with the provisions of Regulation S; pursuant to registration of
     the Securities under the Securities Act; or pursuant to an available
     exemption from the registration requirements under the Securities Act; and

               (7) if the sale is made during a restricted period and the
     provisions of Rule 903(c)(3) are applicable thereto, we confirm that such
     sale has been made in accordance with such provisions.

               You and the Company are entitled to rely upon this letter and are
irrevocably authorized to produce this letter or a copy hereof to any interested
party in any administrative or legal proceedings or official inquiry with
respect to the matters covered hereby. Terms used in this certificate have the
meanings set forth in Regulation S.

                                   Very truly yours,

                                   [Name of Transferor]

                                   By:
                                      ------------------------------------------
                                        Authorized Signature

                                       D-2<PAGE>   1
                                                                    EXHIBIT 4.21

                                   VERIO INC.

                                  $400,000,000

                          10-5/8% SENIOR NOTES DUE 2009

                               PURCHASE AGREEMENT

                                                              New York, New York
                                                               November 16, 1999

SALOMON SMITH BARNEY INC.
DONALDSON, LUFKIN & JENRETTE
  SECURITIES CORPORATION
MORGAN STANLEY & CO. INCORPORATED
c/o Salomon Smith Barney Inc.
390 Greenwich Street
New York, New York  10013

Ladies and Gentlemen:

                  Verio Inc., a Delaware corporation (the "Company"), proposes
to sell, severally and not jointly, to Salomon Smith Barney Inc., Donaldson,
Lufkin & Jenrette Securities Corporation and Morgan Stanley & Co. Incorporated
(together, the "Initial Purchasers") $400,000,000 principal amount of its
10-5/8% Senior Notes Due 2009 (the "Securities") as set forth on Schedule I
hereto, to be issued under an indenture (the "Indenture") dated as of November
19, 1999 between the Company and U.S. Bank Trust National Association, as
trustee (the "Trustee").

                  The sale of the Securities to the Initial Purchasers will be
made without registration of the Securities under the Securities Act of 1933, as
amended (the "Securities Act"), in reliance upon exemptions from the
registration requirements of the Securities Act. The Initial Purchasers have
advised the Company that the Initial Purchasers will offer and sell the
Securities purchased by them hereunder in accordance with Section 4 of this
agreement (this "Agreement" or the "Purchase Agreement") as soon as they deem
advisable.

                  In connection with the sale of the Securities, the Company has
prepared a preliminary offering memorandum, dated November 12, 1999 (including
any information incorporated by reference therein, the "Preliminary
Memorandum"), and a final offering memorandum, dated November 16, 1999
(including any information incorporated by reference therein, the "Final
Memorandum"). Each of the Preliminary Memorandum and the Final Memorandum sets
forth certain information concerning the Company and the Securities. The Company

<PAGE>   2

hereby confirms that it has authorized the use of the Preliminary Memorandum and
the Final Memorandum, and any amendment or supplement thereto, in connection
with the offer and sale of the Securities by the Initial Purchasers. Unless
stated to the contrary, all references herein to the Final Memorandum are to the
Final Memorandum at the Execution Time (as defined below) and are not meant to
include any amendment or supplement subsequent to the Execution Time. All
references in this Agreement to financial statements and schedules and other
information that is "contained", "included" or "stated", or words of similar
import, in the Preliminary Memorandum or Final Memorandum shall be deemed to
mean and include all such financial statements and schedules and other
information which are incorporated by reference in the Preliminary Memorandum or
Final Memorandum, as the case may be.

                  The holders of the Securities will be entitled to the benefits
of the Registration Agreement to be dated as of November 19, 1999, between the
Company and the Initial Purchasers (the "Registration Agreement").

                  This Agreement, the Indenture, the Securities and the
Registration Agreement are referred to herein as the "Transaction Documents".

                  Capitalized terms used herein without definitions have the
respective meanings assigned to them in the Final Memorandum.

                  1. Representations and Warranties of the Company. The Company
represents and warrants to, and agrees with, each Initial Purchaser as set forth
below in this Section 1.

                  (a) The Preliminary Memorandum, at the date thereof, did not
         contain any untrue statement of a material fact or omit to state any
         material fact necessary to make the statements therein, in the light of
         the circumstances under which they were made, not misleading. The Final
         Memorandum, at the date hereof, does not, and at the Closing Date (as
         defined below) will not (and any amendment or supplement thereto, at
         the date thereof and at the Closing Date, will not), contain any untrue
         statement of a material fact or omit to state any material fact
         necessary to make the statements therein, in the light of the
         circumstances under which they were made, not misleading; provided,
         however, that the Company makes no representation or warranty as to the
         information contained in or omitted from the Preliminary Memorandum or
         the Final Memorandum, or any amendment or supplement thereto, in
         reliance upon and in conformity with information furnished in writing
         to the Company by or on behalf of the Initial Purchasers specifically
         for inclusion therein.

                  (b) The documents incorporated or deemed to be incorporated by
         reference in the Preliminary Memorandum and Final Memorandum, at the
         time they were or hereafter are filed with the Securities and Exchange
         Commission (the "Commission"), complied and will comply in all material
         respects with the requirements of the

                                      -2-
<PAGE>   3

         Securities Exchange Act of 1934, as amended (the "Exchange Act"), and
         the rules and regulations thereunder and, when read together with the
         other information in the Preliminary Memorandum or Final Memorandum, as
         the case may be, at the time issued did not, and as of the Closing Date
         will not, contain any untrue statement of a material fact or omit to
         state any material fact necessary to make the statements therein, in
         the light of the circumstances under which they were made, not
         misleading.

                  (c) The Company has been advised by The Portal Market that the
         Securities have been designated Portal-eligible securities in
         accordance with the rules and regulations of the National Association
         of Securities Dealers, Inc. (the "NASD").

                  (d) None of the Company nor any of its Affiliates (as defined
         in Rule 501(b) under the Securities Act) has, directly or through any
         agent, sold, offered for sale, solicited offers to buy or otherwise
         negotiated in respect of, any security (as defined in the Securities
         Act) which could be integrated with the sale of the Securities in a
         manner that would require the registration of the Securities under the
         Securities Act.

                  (e) None of the Company nor any of its Affiliates (as defined
         in Rule 501(b) under the Securities Act) or any person (other than the
         Initial Purchasers, as to whom the Company makes no representation)
         acting at the request of the Company has engaged, in connection with
         the offering of the Securities, (A) in any form of general solicitation
         or general advertising within the meaning of Rule 502(c) under the
         Securities Act, (B) in any directed selling efforts within the meaning
         of Rule 902 under the Securities Act in the United States in connection
         with the Securities being offered and sold pursuant to Regulation S
         under the Securities Act, (C) in any manner involving a public offering
         within the meaning of Section 4(2) of the Securities Act or (D) in any
         action which would require the registration of the offering and sale of
         the Securities pursuant to this Agreement or which would violate
         applicable state securities or "blue sky" laws.

                  (f) Assuming that the representations and warranties of the
         Initial Purchasers contained in Section 4 are true, correct and
         complete, and assuming compliance by the Initial Purchasers with their
         covenants in Section 4, and assuming that the representations and
         warranties deemed to be made by non-U.S. persons and "qualified
         institutional buyers" ("QIBs") (as defined in Rule 144A under the
         Securities Act) purchasing Securities are true and correct as of the
         Closing Date, it is not necessary in connection with the offer, sale
         and delivery of the Securities to the Initial Purchasers in the manner
         contemplated by, or in connection with the initial resale of such
         Securities by the Initial Purchasers in accordance with, this Agreement
         to register the Securities under the Securities Act or to qualify any
         indenture in respect of the Securities under the Trust Indenture Act of
         1939, as amended (the "Trust Indenture Act").

                                      -3-
<PAGE>   4

                  (g) The subsidiaries of the Company listed on Schedule II
         hereto (also referred to herein as the "Subsidiaries") are the only
         subsidiaries of the Company that constitute "significant subsidiaries"
         within the meaning of Rule 1-02(w) of Regulation S-X under the
         Securities Act. Each of the Company and the Subsidiaries has been duly
         organized or incorporated, as the case may be, and is validly existing
         and in good standing under the laws of its jurisdiction of organization
         or incorporation, with all requisite power and authority under such
         laws (a) to own, lease and operate their respective properties and to
         conduct their respective businesses as now conducted and as described
         in the Final Memorandum and (b) to enter into, deliver, incur and
         perform their respective obligations under the Transaction Documents,
         except, in the case of the foregoing subclause (a) for authorizations,
         approvals, orders, leases, certificates and permits, the failure of
         which to possess could not reasonably be expected to have a Material
         Adverse Effect (as defined below); and are all duly qualified to do
         business as foreign partnerships or corporations in good standing in
         all other jurisdictions where the ownership or leasing of their
         respective properties or the conduct of their respective businesses
         requires such qualification, except where the failure to be so
         qualified could not reasonably be expected to have a material adverse
         effect (i) on the business, condition (financial or otherwise), results
         of operations, business affairs or business prospects of the Company
         and the Subsidiaries taken as a whole or (ii) on the ability of the
         Company to perform any of its obligations under the Transaction
         Documents or to consummate any of the transactions contemplated hereby
         or thereby (a "Material Adverse Effect"). The Company has no ISP
         affiliates (other than the Subsidiaries) that would individually
         constitute a "significant subsidiary" of the Company within the meaning
         of Rule 1-02(w) of Regulation S-X under the Securities Act, if any such
         ISP affiliate were a subsidiary of the Company.

                  (h) The Securities, the Exchange Notes and the Private
         Exchange Notes have been duly authorized by the Company, and the
         Company has all requisite corporate power and authority to execute,
         issue and deliver the Securities, the Exchange Notes and the Private
         Exchange Notes and to incur and perform its obligations provided for
         therein.

                  (i) The Securities, when executed, authenticated and issued in
         accordance with the terms of the Indenture (assuming the due
         authorization, execution and delivery of the Indenture by the Trustee)
         and when delivered against payment of the purchase price therefor as
         provided in this Agreement, will constitute valid and binding
         obligations of the Company, entitled to the benefits of the Indenture
         and enforceable against the Company in accordance with the terms
         thereof; and the Exchange Notes and the Private Exchange Notes, if any,
         when executed, authenticated, issued and delivered by the Company in
         exchange for the Securities in

                                      -4-
<PAGE>   5

         accordance with the terms of the Registration Agreement, will
         constitute valid and binding obligations of the Company, entitled to
         the benefits of the Indenture and enforceable against the Company in
         accordance with the terms thereof; subject, in the case of each of the
         foregoing, to (a) applicable bankruptcy, insolvency, reorganization,
         moratorium and similar laws affecting creditors' rights and remedies
         generally, (b) general principles of equity (regardless of whether
         enforcement is sought in a proceeding in equity or at law) and (c) the
         discretion of the court before which any proceeding therefor may be
         brought (clauses (a), (b) and (c) being referred to herein as the
         "Enforceability Limitations") and except that the waiver of stay or
         extension laws contained in Section 5.15 of the Indenture may be
         unenforceable.

                  (j) This Agreement has been, and, as of the Closing Date, the
         Indenture, and the Registration Agreement will have been, duly
         authorized, executed and delivered by the Company, and upon such
         execution by the Company (assuming the due authorization, execution and
         delivery by parties thereto other than the Company), as of the Closing
         Date, the Indenture and the Registration Agreement will constitute the
         valid and binding obligations of the Company, enforceable against the
         Company in accordance with the terms hereof or thereof, subject only to
         the Enforceability Limitations and except that the waiver of stay or
         extension laws contained in Section 5.15 of the Indenture may be
         unenforceable.

                  (k) No consent, waiver, authorization, approval, license,
         qualification or order of, or filing or registration with, any court or
         governmental or regulatory agency or body, domestic or foreign, is
         required for the issue and sale of the Securities or the Exchange Notes
         or the Private Exchange Notes, if any, the performance by the Company
         of its obligations under the Transaction Documents, or for the
         consummation of any of the transactions contemplated hereby or thereby,
         including, without limitation, the issuance and sale of the Securities
         hereunder, except such as may be required (A) in connection with the
         registration under the Securities Act of the Exchange Notes or the
         Private Exchange Notes, if any, pursuant to the Registration Agreement
         (including any filing with the NASD), (B) in order to qualify the
         Indenture under the Trust Indenture Act or (C) by state securities or
         "blue sky" laws in connection with the offer and sale of the Securities
         or the registration thereof or of the Exchange Notes or the Private
         Exchange Notes pursuant to the Registration Agreement.

                  (l) The issuance, sale and delivery of the Securities, the
         Exchange Notes and the Private Exchange Notes, if any, the execution,
         delivery and performance by the Company of this Agreement, the
         Indenture and the Registration Agreement and the consummation by the
         Company of the transactions contemplated hereby, thereby and in the
         Final Memorandum and the compliance by the Company with the terms of
         the foregoing do not, and, at the Closing Date, will not conflict with
         or constitute or result in a breach or violation by the Company or any
         of the Subsidiaries of (A) any of the terms or provisions of, or
         constitute a default (or an event which, with notice or lapse of time
         or both, would constitute a default) by any of the Company or the
         Subsidiaries

                                      -5-
<PAGE>   6
         or give rise to any right to accelerate the maturity or require the
         prepayment of any indebtedness under, or result in the creation or
         imposition of any lien, charge or encumbrance upon any property or
         assets of the Company or the Subsidiaries under any contract,
         indenture, mortgage, deed of trust, loan agreement, note, lease,
         license, franchise agreement, authorization, permit, certificate or
         other agreement or document to which any of the Company or the
         Subsidiaries is a party or by which any of them may be bound, or to
         which any of them or any of their respective assets or businesses is
         subject (collectively, "Contracts") (and the Company has no knowledge
         of any conflict, breach or violation of such terms or provisions or of
         any such default, in any such case, which has occurred or will so
         result), (B) the articles or by-laws (each, an "Organizational
         Document") of each of the Company and the Subsidiaries or (C) any law,
         statute, rule or regulation, or any judgment, decree or order, in any
         such case, of any domestic or foreign court or governmental or
         regulatory agency or other body having jurisdiction over the Company or
         any of the Subsidiaries or any of their respective properties or
         assets. Schedule III hereto lists each Contract with respect to which
         any conflict, breach or violation of the terms or provisions thereof or
         any default with respect thereto could have a Material Adverse Effect
         (each such Contract being referred to herein as a "Material Contract").

                  (m) The Securities, the Exchange Notes, the Private Exchange
         Notes, the Indenture and the Registration Agreement will each conform
         in all material respects to the descriptions thereof in the Final
         Memorandum.

                  (n) The audited financial statements included or incorporated
         by reference in the Final Memorandum, including the notes thereto,
         respectively present fairly the financial position of the Company and
         its consolidated subsidiaries, NSNet, Inc., Access One, Inc., STARnet,
         L.L.C., Computing Engineers Inc., LI Net, Inc., NTX, Inc. and Best
         Internet Communications, Inc. at the dates indicated, and the statement
         of operations, stockholders' deficit/equity and cash flows of each of
         such persons and, where applicable, such persons' consolidated
         subsidiaries for the periods indicated, have been prepared in
         conformity with United States generally accepted accounting principles
         ("GAAP") applied on a consistent basis throughout the periods involved.
         The selected financial data and the summary financial information
         included in the Final Memorandum present fairly the information shown
         therein and have been compiled on a basis consistent with that of the
         financial statements of the Company and its consolidated subsidiaries
         included in the Final Memorandum. KPMG LLP, which has examined such
         financial statements as set forth in its report included or
         incorporated by reference in the Final Memorandum, is an independent
         public accounting firm with respect to each of such persons and, where
         applicable such persons' subsidiaries within the meaning of Regulation
         S-X under the Securities Act. Except as disclosed in the Final
         Memorandum, the pro forma financial information relating to the Company
         and its Subsidiaries and the related notes thereto included in the
         Final Memorandum

                                      -6-
<PAGE>   7
         present fairly the information shown therein, have been prepared in all
         material respects in accordance with the Commission's rules and
         guidelines with respect to pro forma financial adjustments and have
         been properly computed on the bases described therein, and the
         assumptions used in the preparation thereof are reasonable and the
         adjustments used therein are appropriate to give effect to the
         transactions and circumstances referred to therein.

                  (o) Since the respective dates as of which information is
         given in the Final Memorandum, except as otherwise specifically stated
         therein, there has been no (A) material adverse change in the business,
         condition (financial or otherwise), results of operations, business
         affairs or business prospects of the Company and the Subsidiaries taken
         as a whole, whether or not arising in the ordinary course of business
         (a "Material Adverse Change"), (B) transaction entered into by any of
         the Company or the Subsidiaries, other than in the ordinary course of
         business, that is material to the Company and the Subsidiaries taken as
         a whole or (C) dividend or distribution of any kind declared, paid or
         made by the Company on its capital stock.

                  (p) The Company has the authorized, issued and outstanding
         capitalization set forth in the Final Memorandum under the caption
         "Description of Capital Stock"; all of the outstanding capital stock of
         the Company has been duly authorized and validly issued, is fully paid
         and nonassessable and was not issued in violation of any preemptive or
         similar rights (whether provided contractually or pursuant to any
         Organizational Document). Except as set forth in the Final Memorandum
         under the caption "Business-- The Verio Organization", the Company does
         not own, directly or indirectly, any material amount of shares, or any
         other material amount of equity or long-term debt securities or have
         any material equity interest in any firm, partnership, joint venture or
         other entity. Except as set forth in the Final Memorandum, no holder of
         any securities of the Company is entitled to have such securities
         (other than the Securities, the Exchange Notes and the Private Exchange
         Notes, if any) registered under any registration statement contemplated
         by the Registration Agreement. All of the outstanding capital stock of
         each of the Subsidiaries has been duly authorized and validly issued,
         is fully paid and nonassessable and was not issued in violation of any
         preemptive or similar rights (whether provided contractually or
         pursuant to any Organizational Document).

                  (q) None of the Company nor the Subsidiaries is (A) in
         violation of its respective Organizational Documents, (B) in default
         (or, with notice or lapse of time or both, would be in default) in the
         performance or observance of any obligation, agreement, covenant or
         condition contained in any Contract or (C) in violation of any law,
         statute, judgment, decree, order, rule or regulation of any domestic or
         foreign court with jurisdiction over the Company or the Subsidiaries or
         any of their respective assets or properties, or other governmental or
         regulatory authority, agency or other body,

                                      -7-
<PAGE>   8
         other than, in the case of clause (B) or (C), such defaults or
         violations which could not, individually or in the aggregate,
         reasonably be expected to have or result in a Material Adverse Effect;
         and any real property and buildings held under lease by the Company or
         the Subsidiaries are held by the Company or such Subsidiary, as the
         case may be, under valid, subsisting and enforceable leases with such
         exceptions which could not, individually or in the aggregate,
         reasonably be expected to have or result in a Material Adverse Effect.

                  (r) Except as set forth in the Final Memorandum, each of the
         Company and the Subsidiaries owns or possesses, or can acquire on
         reasonable terms, adequate patents, patent rights, licenses,
         trademarks, service marks, trade names, copyrights and know-how
         (including trade secrets and other proprietary or confidential
         information, systems or procedures) (collectively, "intellectual
         property") necessary to conduct the business now or proposed to be
         operated by it as described in the Final Memorandum, except where the
         failure to own, possess or have the ability to acquire any such
         intellectual property could not, individually or in the aggregate, be
         reasonably expected to have a Material Adverse Effect; and none of the
         Company nor the Subsidiaries has received any notice of infringement of
         or conflict with (nor knows of any such infringement of or conflict
         with) asserted rights of others with respect to any of such
         intellectual property.

                  (s) Each of the Company and the Subsidiaries has obtained all
         material consents, approvals, orders, certificates, licenses, permits,
         franchises and other authorizations (collectively, the "Licenses") of
         and from, and has made all declarations and filings with, all
         governmental and regulatory authorities, all self-regulatory
         organizations and all courts and other tribunals necessary to own,
         lease, license and use its properties and assets and to conduct its
         businesses in the manner described in the Final Memorandum. None of the
         Company or the Subsidiaries has received any notice of proceedings
         relating to the revocation or modification of, or denial of any
         application for, any License which, if the subject of any unfavorable
         decision, ruling or finding, could, singly or in the aggregate,
         reasonably be expected to have or result in a Material Adverse Effect;
         and no event has occurred which allows, or after notice or lapse of
         time, or both, would allow, revocation or termination thereof or result
         in any other material impairment of the rights of the holder of any
         such License, except where such revocation or termination could not,
         singly or in the aggregate, reasonably be expected to have or result in
         a Material Adverse Effect; and the Licenses referred to above place no
         restrictions on the Company or any of the Subsidiaries that are not
         described in the Final Memorandum, except where such restrictions could
         not, singly or in the aggregate, reasonably be expected to have or
         result in a Material Adverse Effect.

                  (t) There is no legal action, suit, proceeding, inquiry or
         investigation before or by any court or governmental body or agency,
         domestic or foreign, now

                                      -8-
<PAGE>   9

         pending or, to the best knowledge of the Company, threatened against
         the Company or any of the Subsidiaries or any of their respective
         properties which would be required to be disclosed in a registration
         statement filed under the Securities Act.

                  (u) Each of the Company and the Subsidiaries has filed all
         necessary federal, state and foreign income and franchise tax returns,
         and has paid all taxes shown as due thereon; and no tax deficiency has
         been asserted against any of the Company or the Subsidiaries.

                  (v) Except as described in the Final Memorandum, including the
         financial statements and notes thereto included therein, each of the
         Company and the Subsidiaries has good and marketable title to all real
         and personal property described in the Final Memorandum as being owned
         by it and good and marketable title to a leasehold estate in the real
         and personal property described in the Final Memorandum as being leased
         by it, free and clear of all liens, charges, encumbrances or
         restrictions, except to the extent the failure to have such title or
         the existence of such liens, charges, encumbrances or restrictions
         could not, individually or in the aggregate, reasonably be expected to
         have or result in a Material Adverse Effect.

                  (w) None of the Company or any of the Subsidiaries is an
         "investment company" or a company "controlled by" an "investment
         company" as such terms are defined in the Investment Company Act of
         1940, as amended, and the rules and regulations thereunder.

                  (x) None of the Company nor any of the Subsidiaries nor any of
         their respective directors, officers or controlling persons has taken,
         directly or indirectly, any action designed, or which might reasonably
         be expected, to cause or result, under the Securities Act or otherwise,
         in, or which has constituted, stabilization or manipulation of the
         price of any security of the Company to facilitate the sale or resale
         of the Securities, the Exchange Notes or the Private Exchange Notes.

                  (y) No strike, labor problem, dispute, slowdown, work stoppage
         or disturbance with the employees of the Company or any of the
         Subsidiaries exists or, to the best knowledge of the Company, is
         threatened which could, individually or in the aggregate, reasonably be
         expected to have or result in a Material Adverse Effect.

                  (z) The Company has insurance in such amounts and covering
         such risks and liabilities as are in accordance with normal industry
         practice.

                  (aa) The statistical and market-related data included in the
         Final Memorandum are based on or derived from independent sources which
         the Company believes to be reliable and accurate in all material
         respects or represent the Company's good faith estimates that are made
         on the basis of data derived from such sources.

                                      -9-
<PAGE>   10

                  (bb) The Company is, and immediately after the Closing Date
         will be, Solvent. As used herein, the term "Solvent" means, with
         respect to the Company on a particular date, that on such date (A) the
         fair market value of the assets of the Company exceeds its respective
         liabilities (including without limitation, stated liabilities and
         identified contingent liabilities), (B) the present fair salable value
         of the assets of the Company will exceed its respective probable
         liabilities on its debts (including without limitation, stated
         liabilities and identified contingent liabilities), (C) the fair market
         value of the Company's total assets exceeds its total liabilities,
         including identified contingent liabilities, by an amount at least
         equal to the total par value of its common stock both immediately prior
         to and after the Offering, (D) the Company is and will be able to pay
         its debts (including without limitation, stated liabilities and
         identified contingent liabilities) as such debts mature and (E) the
         Company will not have unreasonably small capital with which to conduct
         its present and anticipated business.

                  (cc) Except as described in the Final Memorandum or as would
         not, individually or in the aggregate, reasonably be expected to have a
         Material Adverse Effect (A) to the Company's knowledge, each of the
         Company and the Subsidiaries is in compliance with and not subject to
         any known liability under applicable Environmental Laws (as defined
         below), (B) to the Company's knowledge, each of the Company and the
         Subsidiaries (i) has made all filings and provided all notices required
         under any applicable Environmental Law, and (ii) has, and is in
         compliance with, all Permits required under any applicable
         Environmental Laws, and (iii) each of them is in full force and effect,
         (C) to the Company's knowledge, there is no civil, criminal or
         administrative action, or, investigation, notice or demand letter or
         request for information pending or threatened against the Company or
         any of the Subsidiaries under any Environmental Law, and (D) to the
         Company's knowledge, no lien, charge, encumbrance or restriction has
         been recorded under any Environmental Law with respect to any assets,
         facility or property owned, operated, leased or controlled by the
         Company or any Subsidiary.

                  For purposes of this Agreement, "Environmental Laws" means the
         common law and all applicable federal, state and local laws or
         regulations relating to the protection of the environment, including,
         without limitation, laws relating to emissions, discharges, releases or
         threatened releases of "hazardous substances," as defined in the
         Comprehensive Environmental Response, Compensation and Liability Act of
         1980, as amended.

                  (dd) Except as described in the Final Memorandum, none of the
         Company nor any of the Subsidiaries has incurred any liability for any
         prohibited transaction or funding deficiency or any complete or partial
         withdrawal liability with respect to any pension, profit sharing or
         other plan which is subject to the Employee Retirement

                                      -10-
<PAGE>   11
         Income Security Act of 1974, as amended ("ERISA"), to which the Company
         or the Subsidiaries makes or ever has made a contribution and in which
         any employee of the Company or any such Subsidiary is or has ever been
         a participant, which, individually in the aggregate, could reasonably
         be expected to have or result in a Material Adverse Effect. With
         respect to such plans, each of the Company and the Subsidiaries is in
         compliance in all respects with all applicable provisions of ERISA,
         except where the failure to so comply could not, individually or in the
         aggregate, reasonably be expected to have or a result in a Material
         Adverse Effect.

                  (ee) Each of the Company and the Subsidiaries maintains a
         system of internal accounting controls sufficient to provide reasonable
         assurance that (i) transactions are executed in accordance with
         management's general or specific authorizations; (ii) transactions are
         recorded as necessary to permit preparation of financial statements in
         conformity with generally accepted accounting principles and to
         maintain asset accountability; (iii) access to assets is permitted only
         in accordance with management's general or specific authorization; and
         (iv) the recorded accountability for assets is compared with the
         existing assets at reasonable intervals and appropriate action is taken
         with respect to any differences.

                  (ff) The Securities satisfy the eligibility requirements of
         Rule 144A(d)(3) under the Securities Act.

                  (gg) Any certificate signed by any officer of the Company and
         delivered to the Initial Purchasers or to Cahill Gordon & Reindel,
         counsel for the Initial Purchasers ("Counsel for the Initial
         Purchasers") pursuant to the terms of this Agreement shall be deemed a
         representation and warranty by the Company to the Initial Purchasers as
         to the matters covered thereby.

                  2. Purchase and Sale of the Securities. Subject to the terms
and conditions and in reliance upon the representations and warranties herein
set forth, the Company agrees to sell to each Initial Purchaser, and each
Initial Purchaser agrees, severally and not jointly, to purchase from the
Company, at a purchase price of 99.249% of the principal amount thereof, minus
2.000% of the principal amount thereof, the principal amount of Securities set
forth opposite such Initial Purchaser's name in Schedule I hereto.

                  3. Delivery and Payment. Delivery of and payment for the
Securities shall be made at 9:00 AM, New York City time, on November 19, 1999 or
such later date as the Initial Purchasers shall designate, which date and time
may be postponed by agreement among the Initial Purchasers and the Company or as
provided in Section 9 hereof (such date and time of delivery and payment for the
Securities being herein called the "Closing Date"). Delivery of the Securities
shall be made to the Initial Purchasers for the respective accounts of the
Initial Purchasers against payment by the Initial Purchasers of the purchase
price thereof to or upon the order of the Company by wire transfer of same day
funds or such other manner

                                      -11-
<PAGE>   12
of payment as may be agreed by the Company and the Initial Purchasers. Delivery
of the Securities shall be made at such location as the Initial Purchasers shall
reasonably designate at least one business day in advance of the Closing Date
and payment for the Securities shall be made at the offices of Cahill Gordon &
Reindel, 80 Pine Street, New York, New York 10005, or such other location as may
be mutually agreed upon by the Company and the Initial Purchasers. Certificates
for the Securities shall be registered in such names and in such denominations
as the Initial Purchasers may request not less than two full business days in
advance of the Closing Date.

                  The Company agrees to have the Securities available for
inspection, checking and packaging by the Initial Purchasers in New York, New
York, not later than 10:00 AM on the business day prior to the Closing Date.

                  4. Offering of Securities. Each Initial Purchaser, severally
and not jointly, represents and warrants to and agrees with the Company that:

                  (a) It has not offered or sold, and will not offer or sell,
         any Securities except (i) to those it reasonably believes to be QIBs
         and that, in connection with each such sale, it has taken or will take
         reasonable steps to ensure that the purchaser of such Securities is
         aware that such sale is being made in reliance on Rule 144A, or (ii) in
         accordance with the restrictions set forth in Exhibit A hereto.

                  (b) Neither it nor any person acting on its behalf has made or
         will make offers or sales of the Securities in the United States by
         means of any form of general solicitation or general advertising within
         the meaning of Regulation D in the United States.

                  5. Agreements of the Company. The Company agrees with each
Initial Purchaser that:

                  (a) The Company will furnish to each Initial Purchaser and to
         Counsel for the Initial Purchasers, without charge, during the period
         referred to in paragraph (c) below, as many copies of the Preliminary
         Memorandum and the Final Memorandum and any amendments and supplements
         thereto as each Initial Purchaser and Counsel for the Initial
         Purchasers may reasonably request.

                  (b) The Company will not at any time make any amendment or
         supplement to the Preliminary Memorandum or the Final Memorandum
         without the prior written consent of the Initial Purchasers.

                  (c) The Company will immediately notify each Initial Purchaser
         and confirm such notice in writing of (x) any filing made by the
         Company relating to the offering of the Securities with any securities
         exchange or any other regulatory body in

                                      -12-
<PAGE>   13

         the United States or any other jurisdiction and (y) prior to the
         completion of the placement of the Securities by the Initial Purchasers
         as evidenced by a notice in writing from the Initial Purchasers to the
         Company, any material changes in or affecting the earnings, business
         affairs or business prospects of the Company and its Subsidiaries that
         (i) make any statement in the Final Memorandum false or misleading in
         any material respect or (ii) are not disclosed in the Final Memorandum.
         In such event or if at any time prior to completion of the distribution
         of the Securities by the Initial Purchasers to purchasers who are not
         its affiliates (as determined by the Initial Purchasers) any other
         event shall occur or condition shall exist as a result of which it is
         necessary, in the opinion of the Initial Purchasers or Counsel for the
         Initial Purchasers, to amend or supplement the Final Memorandum in
         order that the Final Memorandum, as then amended or supplemented, will
         not include an untrue statement of a material fact or omit to state a
         material fact necessary in order to make the statements therein, in the
         light of the circumstances existing at the time it is delivered to a
         purchaser, not misleading or if in the opinion of the Initial
         Purchasers or Counsel for the Initial Purchasers, such amendment or
         supplement is necessary to comply with applicable law, the Company
         will, subject to paragraph (b) of this Section 5, promptly prepare, at
         its own expense, such amendment or supplement as may be necessary to
         correct such untrue statement or omission or to effect such compliance
         (in form and substance agreed upon by the Initial Purchasers and
         Counsel for the Initial Purchasers), so that as so amended or
         supplemented, the statements in the Final Memorandum will not include
         an untrue statement of a material fact or omit to state a material fact
         necessary in order to make the statements therein, in the light of the
         circumstances existing at the time it is delivered to a purchaser, not
         misleading or so that such Final Memorandum as so amended or
         supplemented will comply with applicable law, as the case may be, and
         furnish to the Initial Purchasers such number of copies of such
         amendment or supplement as the Initial Purchasers may reasonably
         request. The Company agrees to notify the Initial Purchasers in writing
         to suspend use of the Final Memorandum as promptly as practicable after
         the occurrence of an event specified in this paragraph (c), and the
         Initial Purchasers hereby agree upon receipt of such notice from the
         Company to suspend use of the Final Memorandum until the Company has
         amended or supplemented the Final Memorandum to correct such
         misstatement or omission or to effect such compliance.

                  (d) Neither the Company nor any of its Affiliates (as defined
         in Rule 501(b) under the Securities Act) will solicit any offer to buy
         or offer or sell the Securities, the Exchange Notes or the Private
         Exchange Notes, if any, by means of any form of general solicitation or
         general advertising (as such terms are used in Regulation D under the
         Securities Act), or by means of any directed selling efforts (as
         defined in Rule 902 under the Securities Act) in the United States in
         connection with the Securities being offered and sold pursuant to
         Regulation S or in any manner involving a public offering within the
         meaning of Section 4(2) of the Securities Act prior to the

                                      -13-
<PAGE>   14
         effectiveness of a registration statement with respect to the
         Securities, the Exchange Notes or the Private Exchange Notes, as
         applicable.

                  (e) Neither the Company nor any of its Affiliates (as defined
         in Rule 501(b) under the Securities Act) will offer, sell or solicit
         offers to buy or otherwise negotiate in respect of any security (as
         defined in the Securities Act) which could be integrated with the sale
         of the Securities in a manner that would require the registration of
         the Securities under the Securities Act.

                  (f) The Company (A) will, so long as the Securities are
         outstanding, furnish to the Trustee on a timely basis, pursuant to the
         Indenture, whether or not the Company has a class of securities
         registered under the Exchange Act, (i) within 135 days of the end of
         each fiscal year, audited year-end consolidated financial statements of
         the Company (including a balance sheet, income statement and statement
         of changes of cash flow) prepared in accordance with GAAP and
         substantially in the form required under Regulation S-X under the
         Securities Act and the information described in Item 303 of Regulation
         S-K under the Securities Act with respect to such period and (ii)
         within 60 days of the end of each fiscal quarter, unaudited quarterly
         consolidated financial statements of the Company (including a balance
         sheet, income statement and statement of changes of cash flow) prepared
         in accordance with GAAP and substantially in the form required by
         Regulation S-X under the Securities Act and the information described
         in Item 303 of Regulation S-K under the Securities Act with respect to
         such period, and (B) will furnish to the Initial Purchasers copies of
         all such reports and information, together with such other documents,
         reports and information as shall be furnished by the Company to the
         holders of the Securities or to the Trustee. In the event the Company
         is not subject to Section 13 or 15(d) of the Exchange Act, the Company
         will furnish to holders of Securities and prospective purchasers of
         Securities designated by such holders, upon request of such holders or
         such prospective purchasers, the information required to be delivered
         pursuant to Rule 144A(d)(4) under the Act to permit compliance with
         Rule 144A in connection with resales of the Securities.

                  (g) The Company will use its reasonable best efforts in
         cooperation with the Initial Purchasers to (i) permit the Securities to
         be eligible for clearance and settlement through DTC and (ii) permit
         the Securities to be designated as securities eligible for trading in
         The Portal Market in accordance with the rules and regulations of the
         NASD.

                  (h) Prior to the Closing Date, the Company will furnish to
         each Initial Purchaser, if and as soon as they have been prepared, a
         copy of any unaudited interim consolidated financial statements of the
         Company for any period subsequent to the

                                      -14-
<PAGE>   15
         period covered by the most recent financial statements of the Company
         appearing in the Final Memorandum which have been prepared in the
         ordinary course of business.

                  (i) The Company will arrange for the registration and
         qualification of the Securities for offering and sale under the
         applicable securities or "blue sky" laws of such states and other
         jurisdictions as the Initial Purchasers may designate in connection
         with the resale of the Securities as contemplated by this Agreement and
         the Final Memorandum and will continue such qualifications in effect
         for as long as may be necessary to complete the distribution of the
         Securities; provided that in no event shall the Company be obligated to
         (i) qualify as a foreign corporation or as a dealer in securities in
         any jurisdiction where it would not otherwise be required to so qualify
         but for this Section 5(i), (ii) file any general consent to service of
         process in any jurisdiction where it is not at the Closing Time then so
         subject or (iii) subject itself to taxation in any such jurisdiction if
         it is not so subject. The Company will file such statements and reports
         as may be required by the laws of each jurisdiction in which the
         Securities have been qualified as above provided. The Company shall
         promptly advise the Initial Purchasers of the receipt by the Company of
         any notification with respect to the suspension of the qualification or
         exemption from qualification of the Securities for offering or sale in
         any jurisdiction or the institution, threatening or contemplation of
         any proceeding for such purpose.

                  (j) The Company will use the proceeds received from the
         Offering in the manner specified in the Final Memorandum under the
         heading "Use of Proceeds."

                  (k) The Company will not, and will not permit any of its
         Affiliates (as defined in Rule 501(b) under the Securities Act) to,
         resell any Securities that have been acquired by any of them.

                  6. Conditions to the Obligations of the Initial Purchasers.
The obligations of the Initial Purchasers to purchase the Securities shall be
subject to the accuracy of the representations and warranties on the part of the
Company contained herein at the date and time that this Agreement is executed
and delivered by the parties hereto (the "Execution Time"), and the Closing
Date, to the accuracy of the statements of the Company made in any certificates
pursuant to the provisions hereof, to the performance by the Company of its
obligations hereunder and to the following additional conditions:

                  (a) (i) At the Closing Date, the Initial Purchasers shall have
         received the opinion of Morrison & Foerster LLP, counsel to the
         Company, dated as of the Closing Date, in the form set forth below and
         otherwise reasonably satisfactory to the Initial Purchasers and Counsel
         for the Initial Purchasers, to the effect that:

                          (1) The Company has been duly incorporated and is
                  validly existing under the laws of the State of Delaware, with
                  corporate power and authority to

                                      -15-
<PAGE>   16
                  own, lease and operate its assets and properties and conduct
                  its business as described in the Final Memorandum and to enter
                  into and perform its obligations under this Agreement and each
                  of the other Transaction Documents;

                          (2) The authorized, issued and outstanding capital
                  stock of the Company is as incorporated by reference in the
                  Final Memorandum in the Company's registration statement on
                  Form S-4 (registration number 333-70727) dated January 15,
                  1999, as amended, under the caption "Description of Capital
                  Stock";

                          (3) Each of the Subsidiaries has been duly
                  incorporated and is validly existing as a corporation in good
                  standing under the laws of the jurisdiction of its
                  incorporation, has corporate power and authority to own, lease
                  and operate its properties and to conduct its business as
                  described in the Final Memorandum; all of the issued and
                  outstanding capital stock of each of the Subsidiaries has been
                  duly authorized and validly issued, is fully paid and
                  non-assessable and, to such counsel's knowledge and
                  information, except as set forth in the Final Memorandum under
                  the caption "Business -- The Verio Organization", is owned by
                  the Company directly, free and clear of any security interest,
                  mortgage, pledge, lien, encumbrance, claim or equity;

                          (4) The Company has the requisite corporate power and
                  authority to execute, deliver and perform its obligations
                  under this Agreement, the Securities, the Exchange Notes, the
                  Private Exchange Notes, the Indenture and the Registration
                  Agreement; and each of this Agreement, the Securities, the
                  Exchange Notes, the Private Exchange Notes, the Indenture and
                  the Registration Agreement has been duly authorized by the
                  Company;

                          (5) No consent, waiver, approval, authorization,
                  license, qualification or order of or filing or registration
                  with any court or governmental or regulatory agency or body is
                  required for the execution and delivery by the Company of this
                  Agreement, the Indenture or the Registration Agreement or for
                  the issue and sale of the Securities, the Exchange Notes or
                  the Private Exchange Notes, if any, or the performance by the
                  Company of its obligations under the Transaction Documents, or
                  for the consummation of any of the transactions contemplated
                  hereby or thereby, except such as may be required (A) in
                  connection with the registration under the Securities Act of
                  the Exchange Notes or the Private Exchange Notes, if any,
                  under the Registration Agreement, (B) in order to qualify the
                  Indenture under the Trust Indenture Act and (C) by state
                  securities or "blue sky" laws in connection with the purchase
                  and distribution of the Securities by the Initial Purchasers
                  (as to which such counsel need express no opinion);

                                      -16-
<PAGE>   17

                          (6) The issuance, sale and delivery of the Securities,
                  the Exchange Notes and the Private Exchange Notes, if any, the
                  execution, delivery and performance by the Company of this
                  Agreement, the Indenture and the Registration Agreement (in
                  each case assuming due authorization and execution by each
                  party other than the Company), and the consummation by the
                  Company of the transactions contemplated hereby and thereby
                  and the compliance by the Company with the terms of the
                  foregoing do not, and, at the Closing Date, will not, conflict
                  with or constitute or result in a breach or violation by the
                  Company or any of the Subsidiaries of (A) any provision of the
                  Certificate of Incorporation or By-laws of the Company, (B)
                  any of the terms or provisions of, or constitute a default (or
                  an event which, with notice or lapse of time or both, would
                  constitute a default) by the Company, or give rise to any
                  right to accelerate the maturity or require the prepayment of
                  any indebtedness under, or result in the creation or
                  imposition of any lien, charge or encumbrance upon any
                  property or assets of the Company or any Subsidiary under any
                  Material Contract identified in Schedule III hereto (provided
                  that such counsel need not express an opinion as to any
                  potential violation of any financial covenant contained in any
                  Material Contract) or (C) any law, statute, rule, or
                  regulation or any order, decree or judgment known to such
                  counsel to be applicable to the Company or any Subsidiary, of
                  any court or governmental or regulatory agency or body or
                  arbitrator known to such counsel to have jurisdiction over the
                  Company or any of the Subsidiaries or any of their respective
                  properties or assets;

                          (7) The Purchase Agreement has been duly authorized,
                  executed and delivered by the Company;

                          (8) The statements in the Offering Memorandum under
                  the headings "Offering Memorandum Summary - The Offering,"
                  "Description of Capital Stock," "Description of the 1997
                  Notes," "Description of the March 1998 Notes," "Description of
                  the November 1998 Notes," "Description of the Notes,"
                  "Exchange Offer; Registration Rights" and "Certain
                  Transactions," insofar as such statements purport to summarize
                  certain provisions of the Securities, the Exchange Notes, the
                  Indenture, the Registration Agreement, the Company's
                  authorized and outstanding capital stock, the Company's
                  13-1/2% Senior Notes due 2004, the Company's 10-3/8% Senior
                  Notes Due 2005, and the Company's 11-1/4% Senior Notes due
                  2008, provide a fair summary of such provisions of such
                  agreements and instruments;

                          (9) Each of the Indenture and the Registration
                  Agreement has been duly authorized, executed and delivered by
                  the Company and (assuming due authorization and execution by
                  each party thereto other than the Company)

                                      -17-
<PAGE>   18
                  constitutes a valid and binding agreement of the Company,
                  enforceable against the Company in accordance with its terms,
                  except as such enforceability may be limited by (a) with
                  respect to the Indenture and the Registration Agreement, the
                  Enforceability Limitations, including the waiver contained in
                  Section 5.15 of the Indenture, and (b) with respect to the
                  Registration Agreement, as to rights of indemnification and
                  contribution, principles of public policy or federal or state
                  securities laws relating thereto;

                          (10) Each of the Securities, when executed and
                  authenticated in accordance with the provisions of the
                  Indenture and delivered and paid for in accordance with the
                  terms of this Agreement, and the Exchange Notes and the
                  Private Exchange Notes, if any, when executed, authenticated
                  and delivered in exchange for the Securities in accordance
                  with the terms of the Registration Agreement, will be entitled
                  to the benefits of the Indenture and will be valid and binding
                  obligations of the Company, enforceable in accordance with its
                  terms except as the enforceability thereof may be limited by
                  the Enforceability Limitations;

                          (11) To the knowledge of such counsel, other than as
                  described in the Final Memorandum, no legal, regulatory or
                  governmental proceedings are pending to which the Company is a
                  party or to which the property or assets of the Company are
                  subject which, individually or in the aggregate, could
                  reasonably be expected to have a Material Adverse Effect or
                  which, individually or in the aggregate, could have a material
                  adverse effect on the power or ability of the Company to
                  perform its obligations under the Transaction Documents or to
                  consummate the transactions contemplated thereby or by the
                  Offering Memorandum and to the knowledge of such counsel, no
                  such material proceedings have been threatened against the
                  Company or with respect to any of its respective assets or
                  properties;

                          (12) Assuming (a) the accuracy of, and compliance
                  with, the representations, warranties and covenants of the
                  Company in subsections 1(d) and 1(e) of the Purchase
                  Agreement, (b) the accuracy of, and compliance with, the
                  representations, warranties and covenants of the Initial
                  Purchasers in Section 4 of the Purchase Agreement, (c) the
                  compliance by the Initial Purchasers with the offering and
                  transfer procedures and restrictions described in the Final
                  Memorandum and (d) receipt by the purchasers to whom the
                  Initial Purchasers initially resell the Securities of a copy
                  of the Final Memorandum prior to such sale, it is not
                  necessary in connection with the offer, sale and delivery of
                  the Securities or in connection with the initial resale of
                  such Securities in the manner contemplated by the Purchase
                  Agreement and the Offering Memorandum to register the
                  Securities under the Securities Act or to qualify the
                  Indenture

                                      -18-
<PAGE>   19
                  under the Trust Indenture Act, it being understood that no
                  opinion is expressed as to any subsequent resale of any
                  Securities;

                          (13) When the Securities are issued and delivered
                  pursuant to this Agreement, such Securities will not be of the
                  same class (within the meaning of Rule 144A) as securities of
                  the Company which are listed on a national securities exchange
                  registered under Section 6 of the Exchange Act or quoted in a
                  U.S. automated inter-dealer quotation system; and

                          (14) Neither the consummation of the transactions
                  contemplated hereby nor the sale, issuance, execution or
                  delivery of the Securities will violate Regulation T, U or X
                  of the Board of Governors of the Federal Reserve System.

                  In addition, such counsel shall state that such counsel has
         participated in conferences with representatives of the Initial
         Purchasers, officers and other representatives of the Company and
         representatives of the independent certified accountants of the
         Company, at which conferences the contents of the Preliminary
         Memorandum and Final Memorandum and the business and affairs of the
         Company and the Subsidiaries were discussed, and although such counsel
         has not independently verified and does not pass upon or assume any
         responsibility for the accuracy, completeness or fairness of the
         statements contained in the Final Memorandum (except and only to the
         extent set forth in subclause (8) above), on the basis of the foregoing
         (relying as to materiality to the extent such counsel deemed
         appropriate upon the representations and opinions of officers and other
         representatives of the Company), no facts have come to the attention of
         such counsel which lead such counsel to believe that the Final
         Memorandum at the date thereof or as of the Closing Date, contained or
         contains an untrue statement of a material fact or omitted or omits to
         state a material fact necessary to make the statements therein, in the
         light of the circumstances under which they were made, not misleading
         (it being understood that such counsel need not express any comment
         with respect to the financial statements, including the notes thereto
         and supporting schedules, or any other financial or statistical data
         set forth or referred to in the Final Memorandum).

                  In rendering such opinions, such counsel (A) need not express
         any opinion with regard to the application of laws of any jurisdiction
         other than the Federal law of the United States, the General
         Corporation Law of the State of Delaware and the laws of the State of
         New York and (B) may rely, as to matters of fact, to the extent they
         deem proper on representations or certificates of responsible officers
         of the Company and certificates of public officials.

                  References to the Final Memorandum in this subsection (a)(i)
         include any supplements thereto at or prior to the Closing Date.

                                      -19-
<PAGE>   20

                  (ii) At the Closing Date, the Initial Purchasers shall have
         received the opinion of Carla Hamre Donelson, Esq., General Counsel to
         the Company, dated as of the Closing Date, in the form set forth below
         and otherwise reasonably satisfactory to the Initial Purchasers and
         Counsel for the Initial Purchasers, to the effect that:

                           (1) To the knowledge of such counsel, other than as
                  described in the Final Memorandum, no legal, regulatory or
                  governmental proceedings are pending to which any of the
                  Subsidiaries is a party or to which the property or assets of
                  the Subsidiaries are subject which, individually or in the
                  aggregate, could reasonably be expected to have a Material
                  Adverse Effect or which, individually or in the aggregate,
                  could have a material adverse effect on the power or ability
                  of the Company to perform its obligations under the
                  Transaction Documents or to consummate the transactions
                  contemplated thereby or by the Final Memorandum and to the
                  knowledge of such counsel, no such material proceedings have
                  been threatened against the Subsidiaries or with respect to
                  any of their respective assets or properties;

                           (2) To the best knowledge of such counsel, the
                  Company is duly qualified as a foreign corporation to transact
                  business and is in good standing in each jurisdiction in which
                  such qualification is required, whether by reason of the
                  ownership or leasing of property or the conduct of business,
                  except where the failure so to qualify or to be in good
                  standing would not result in a Material Adverse Effect;

                           (3) To the best knowledge of such counsel, each of
                  the Subsidiaries is duly qualified as a foreign corporation to
                  transact business and is in good standing in each jurisdiction
                  in which such qualification is required, whether by reason of
                  the ownership or leasing of property or the conduct of
                  business, except where the failure so to qualify or to be in
                  good standing individually or in the aggregate would not
                  result in a Material Adverse Effect; and

                           (2) None of the Company or the Subsidiaries is in
                  violation of its respective Organizational Documents; to the
                  knowledge of such counsel, no default by the Company or any of
                  the Subsidiaries exists in the due performance or observance
                  of any material obligation, agreement, covenant or condition
                  contained in any Material Contract which could reasonably be
                  expected to have a Material Adverse Effect; and to the
                  knowledge of such counsel, none of the Company nor the
                  Subsidiaries is in breach or violation of any law, statute,
                  rule or regulation, or any judgment, decree or order of any
                  governmental or regulatory agency or other body having
                  jurisdiction over the Company or any of the Subsidiaries or
                  any of their respective properties or assets such that any

                                      -20-
<PAGE>   21
                  such breach or violation could reasonably be expected to have
                  a Material Adverse Effect.

                  In addition, such counsel shall state that such counsel has
         participated in conferences with representatives of the Initial
         Purchasers, officers and other representatives of the Company and
         representatives of the independent certified accountants of the
         Company, at which conferences the contents of the Preliminary
         Memorandum and Final Memorandum and the business and affairs of the
         Company and the Subsidiaries were discussed, and although such counsel
         has not independently verified and does not pass upon or assume any
         responsibility for the accuracy, completeness or fairness of the
         statements contained in the Final Memorandum, on the basis of the
         foregoing (relying as to materiality to the extent such counsel deemed
         appropriate upon the representations and opinions of officers and other
         representatives of the Company), no facts have come to the attention of
         such counsel which lead such counsel to believe that the Final
         Memorandum at the date thereof or as of the Closing Date, contained or
         contains an untrue statement of a material fact or omitted or omits to
         state a material fact necessary to make the statements therein, in the
         light of the circumstances under which they were made, not misleading
         (it being understood that such counsel need not express any comment
         with respect to the financial statements, including the notes thereto
         and supporting schedules, or any other financial or statistical data
         set forth or referred to in the Final Memorandum).

                  In rendering such opinions, such counsel (A) need not express
         any opinion with regard to the application of laws of any jurisdiction
         other than the Federal law of the United States, the General
         Corporation Law of the State of Delaware and the laws of the State of
         Colorado and (B) may rely, as to matters of fact, to the extent she
         deems proper on representations or certificates of responsible officers
         of the Company and certificates of public officials.

                  References to the Final Memorandum in this subsection (a)(ii)
         include any supplements thereto at or prior to the Closing Date.

                  (b) The Initial Purchasers shall have received the opinion,
         dated as of the Closing Date, of Cahill Gordon & Reindel, Counsel for
         the Initial Purchasers, with respect to certain matters set forth in
         subclauses (8) (with respect to "Description of the Notes" and
         "Exchange Offer; Registration Rights,") (9) (assuming the due
         authorization, execution and delivery of each of the Indenture and
         Registration Agreement by each party thereto), (10) and (12) of
         subsection (a)(i) of this Section 6.

                  In rendering such opinions, such counsel (A) need not express
         any opinion with regard to the application of laws of any jurisdiction
         other than the Federal laws of the United States, the General
         Corporation Law of the State of Delaware and the laws of the State of
         New York and (B) may rely, as to matters of fact, to the extent they

                                      -21-
<PAGE>   22

         deem proper on representations or certificates of responsible officers
         of the Company and certificates of public officials.

                  In addition, such counsel shall state that such counsel has
         participated in conferences with representative of the Initial
         Purchasers, officers and other representatives of the Company and
         representatives of the independent accountants for the Company at which
         conferences the contents of the Preliminary Memorandum and Final
         Memorandum and related matters were discussed, and although such
         counsel has not verified and does not pass upon and does not assume any
         responsibility for the accuracy, completeness or fairness of the
         statements contained in the Final Memorandum, on the basis of the
         foregoing (relying as to materiality to the extent such counsel deemed
         appropriate upon the representations and opinions of officers and other
         representatives of the Company), no facts have come to the attention of
         such counsel which lead such counsel to believe that the Final
         Memorandum, at the date thereof or as of the Closing Date, contained or
         contains an untrue statement of a material fact or omitted to state a
         material fact necessary to make the statements therein, in the light of
         the circumstances under which they were made, not misleading (it being
         understood that such counsel need express no comment with respect to
         the financial statements, including the notes thereto, or any other
         financial or statistical data set forth or referred to in the Final
         Memorandum).

                  (c) The following conditions contained in clauses (i) and (ii)
         of this subsection (c) shall have been satisfied at and as of the
         Closing Date, and the Company shall have furnished to the Initial
         Purchasers a certificate of the Company, signed by the Chairman of the
         Board or the President and the principal financial or accounting
         officer of the Company, dated the Closing Date, to the effect that the
         signers of such certificate have carefully examined the Final
         Memorandum, any amendment or supplement to the Final Memorandum and
         this Agreement and that:

                          (i) the representations and warranties of the Company
                  in this Agreement are true and correct in all material
                  respects on and as of the Closing Date with the same effect as
                  if made on the Closing Date, and the Company has complied with
                  all the agreements and satisfied all the conditions on its
                  part to be performed or satisfied hereunder in all material
                  respects at or prior to the Closing Date; and

                          (ii) since the date of the most recent financial
                  statements included in the Final Memorandum (exclusive of any
                  amendment or supplement thereto), there has been no Material
                  Adverse Change, whether or not in the ordinary course of
                  business. As used in this subparagraph, the term "Final
                  Memorandum" means the Final Memorandum in the form first used
                  to confirm sales of the Securities.

                                      -22-
<PAGE>   23

                  (d) At the Execution Time and at the Closing Date, KPMG LLP
         shall have furnished to the Initial Purchasers a letter or letters,
         dated respectively as of the Execution Time and as of the Closing Date,
         in form and substance satisfactory to the Initial Purchasers,
         confirming that they are independent accountants within the meaning of
         the Securities Act and the Exchange Act and the applicable published
         rules and regulations thereunder and Rule 101 of the Code of
         Professional Conduct of the American Institute of Certified Public
         Accountants (the "AICPA") and containing statements and information of
         the type ordinarily included in accountants' "comfort letters" to
         Initial Purchasers with respect to financial statements and certain
         financial information contained in the Final Memorandum, in form and
         substance satisfactory to Counsel for the Initial Purchasers.

                  All references in this Section 6(d) to the Final Memorandum
         shall be deemed to include any amendment or supplement thereto at the
         date of the letter.

                  (e) Subsequent to the Execution Time or, if earlier, the dates
         as of which information is given in the Final Memorandum, there shall
         not have been (i) any change or decrease specified in the letter or
         letters referred to in paragraph (d) of this Section 6 or (ii) any
         change, or any development involving a prospective change, in or
         affecting the business or properties of the Company and its
         subsidiaries the effect of which, in any case referred to in clause (i)
         or (ii) above, is, in the judgment of the Initial Purchasers, so
         material and adverse as to make it impractical or inadvisable to market
         the Securities as contemplated by the Final Memorandum.

                  (f) On or prior to the Closing Date, the Company shall have
         furnished to the Initial Purchasers such further information,
         certificates and documents as the Initial Purchasers may reasonably
         request.

                  (g) The Company and the Trustee shall have entered into the
         Indenture.

                  (h) The Company and the Initial Purchasers shall have entered
         into the Registration Agreement.

                  If any of the conditions specified in this Section 6 shall not
have been fulfilled when and as provided in this Agreement, or if any of the
opinions and certificates mentioned above or elsewhere in this Agreement shall
not be in all material respects reasonably satisfactory in form and substance to
the Initial Purchasers and Counsel for the Initial Purchasers, this Agreement
and all obligations of the Initial Purchasers hereunder may be canceled at, or
at any time prior to, the Closing Date by the Initial Purchasers. Notice of such
cancellation shall be given to the Company in writing or by telephone or
telegraph confirmed in writing.

                                      -23-
<PAGE>   24

                  The documents required to be delivered by this Section 6 will
be delivered at the office of Counsel for the Initial Purchasers, at 80 Pine
Street, New York, New York, on the Closing Date.

                  7. Reimbursement of Expenses. (a) Whether or not any sale of
the Securities is consummated, the Company agrees to pay and bear all costs and
expenses incident to the performance of all of its obligations under this
Agreement, including (i) the preparation and printing of the Preliminary
Memorandum, the Final Memorandum and any amendments or supplements thereto and
the cost of furnishing copies thereof to the Initial Purchasers, (ii) the
preparation, issuance, printing and distribution of the Securities, the Exchange
Notes, the Private Exchange Notes, if any, and any survey of state securities or
"blue sky" laws or legal investment memoranda, (iii) the delivery to the Initial
Purchasers of the Securities, the Exchange Notes or the Private Exchange Notes,
(iv) the fees and disbursements of the Company's counsel and accountants, (v)
the qualification of the Securities under the applicable state securities or
"blue sky" laws in accordance with the provisions of Section 5(i) hereof and any
filing for review of the offering with the NASD, if required, including filing
fees and reasonable fees and disbursements of counsel to the Initial Purchasers
in connection therewith and in connection with the preparation of any survey of
state securities or "blue sky" laws or legal investment memoranda, (vi) any fees
charged by rating agencies for rating the Securities, the Exchange Notes and the
Private Exchange Notes, if any, (vii) the fees and expenses of the Trustee,
including the fees and disbursements of counsel for the Trustee, (viii) all
expenses (including travel expenses) of the Company and the Initial Purchasers
in connection with any meetings with prospective investors in the Securities and
(ix) all expenses and listing fees in connection with the application for
designation of the Securities as Portal-eligible securities and to permit the
Securities, the Exchange Notes and the Private Exchange Notes, as applicable, to
be eligible to clearance through The Depository Trust Company.

                  (b) If the sale of the Securities provided for herein is not
consummated because any condition to the obligations of the Initial Purchasers
set forth in Section 6 hereof is not satisfied, because of any termination
pursuant to Section 10 hereof or because of any refusal, inability or failure on
the part of the Company to perform any agreement herein or comply with any
provision hereof other than by reason of a default by any of the Initial
Purchasers in payment for the Securities on the Closing Date, the Company will
reimburse the Initial Purchasers severally upon demand for all reasonable
out-of-pocket expenses (including reasonable fees and disbursements of counsel)
that shall have been incurred by them in connection with the proposed purchase
and sale of the Securities.

                  8. Indemnification and Contribution. (a) The Company agrees to
indemnify and hold harmless each Initial Purchaser, the directors, officers,
employees and agents of each Initial Purchaser and each person who controls any
Initial Purchaser within the meaning of either the Securities Act or the
Exchange Act against any and all losses, claims, damages or liabilities, joint
or several, to which they or any of them may become subject under the

                                      -24-
<PAGE>   25

Securities Act, the Exchange Act or other Federal or state statutory law or
regulation, at common law or otherwise, insofar as such losses, claims, damages
or liabilities (or actions in respect thereof) arise out of or are based upon
any untrue statement or alleged untrue statement of a material fact contained in
the Preliminary Memorandum or the Final Memorandum or in any amendment thereof
or supplement thereto, or arise out of or are based upon the omission or alleged
omission to state therein a material fact required to be stated therein or
necessary to make the statements therein, in the light of the circumstances
under which they were made, not misleading, and agree to reimburse each such
indemnified party, as incurred, for any legal or other expenses reasonably
incurred by them in connection with investigating or defending any such loss,
claim, damage, liability or action; provided, however, that the Company will not
be liable in any such case to the extent that any such loss, claim, damage or
liability arises out of or is based upon any such untrue statement or alleged
untrue statement or omission or alleged omission made in the Preliminary
Memorandum or the Final Memorandum, or in any amendment thereof or supplement
thereto, in reliance upon and in conformity with written information furnished
to the Company by or on behalf of any Initial Purchasers specifically for
inclusion therein. This indemnity agreement will be in addition to any liability
which the Company may otherwise have.

                  The foregoing indemnity with respect to any untrue statement
contained in or any omission from the Preliminary Memorandum shall not inure to
the benefit of any Initial Purchaser (or any affiliate or person who controls
such Initial Purchaser within the meaning of Section 15 of the Securities Act or
Section 20 of the Exchange Act) from whom the person asserting such loss,
liability, claim, damage or expense purchased any of the Securities that are the
subject thereof if such person was not sent or given a copy of the Final
Memorandum (or any amendment or supplement thereto), if the Company shall have
previously furnished copies thereof to the Initial Purchasers in accordance with
this Agreement, at or prior to the written confirmation of the sale of such
Securities to such person and the untrue statement contained in or the omission
from the Preliminary Memorandum was corrected in the Final Memorandum (or any
amendment or supplement thereto).

                  (b) Each Initial Purchaser severally and not jointly agrees to
indemnify and hold harmless the Company, its directors, officers and each person
who controls the Company within the meaning of either the Securities Act or the
Exchange Act to the same extent as the foregoing indemnity from the Company to
each Initial Purchaser, but only with reference to written information relating
to such Initial Purchaser furnished to the Company by or on behalf of such
Initial Purchaser specifically for inclusion in the Preliminary Memorandum or
the Final Memorandum (or in any amendment or supplement thereto). This indemnity
agreement will be in addition to any liability which any Initial Purchaser may
otherwise have. The Company acknowledges that the statements set forth in the
table, and the third and ninth paragraphs after the table under the heading
"Plan of Distribution" in the Preliminary Memorandum and the Final Memorandum
constitute the only information furnished in writing by or on

                                      -25-
<PAGE>   26
behalf of the Initial Purchasers for inclusion in the Preliminary Memorandum or
the Final Memorandum (or in any amendment or supplement thereto).

                  (c) Promptly after receipt by an indemnified party under this
Section 8 of notice of the commencement of any action, such indemnified party
will, if a claim in respect thereof is to be made against the indemnifying party
under this Section 8, notify the indemnifying party in writing of the
commencement thereof; but the failure so to notify the indemnifying party (i)
will not relieve it from liability under paragraph (a) or (b) above unless and
to the extent it did not otherwise learn of such action and such failure results
in the forfeiture by the indemnifying party of substantial rights and defenses
and (ii) will not, in any event, relieve the indemnifying party from any
obligations to any indemnified party other than the indemnification obligation
provided in paragraph (a) or (b) above. The indemnifying party shall be entitled
to appoint counsel of the indemnifying party's choice at the indemnifying
party's expense to represent the indemnified party in any action for which
indemnification is sought (in which case the indemnifying party shall not
thereafter be responsible for the fees and expenses of any separate counsel
retained by the indemnified party or parties except as set forth below);
provided, however, that such counsel shall be satisfactory to the indemnified
party. Notwithstanding the indemnifying party's election to appoint counsel to
represent the indemnified party in an action, the indemnified party shall have
the right to employ separate counsel (including local counsel), and the
indemnifying party shall bear the reasonable fees, costs and expenses of such
separate counsel if (i) the use of counsel chosen by the indemnifying party to
represent the indemnified party would present such counsel with a conflict of
interest, (ii) the actual or potential defendants in, or targets of, any such
action include both the indemnified party and the indemnifying party and the
indemnified party shall have reasonably concluded that there may be legal
defenses available to it and/or other indemnified parties which are different
from or additional to those available to the indemnifying party, (iii) the
indemnifying party shall not have employed counsel satisfactory to the
indemnified party to represent the indemnified party within a reasonable time
after notice of the institution of such action or (iv) the indemnifying party
shall authorize the indemnified party to employ separate counsel at the expense
of the indemnifying party. An indemnifying party will not, without the prior
written consent of the indemnified parties, settle or compromise or consent to
the entry of any judgment with respect to any pending or threatened claim,
action, suit or proceeding in respect of which indemnification or contribution
may be sought hereunder (whether or not the indemnified parties are actual or
potential parties to such claim or action) unless such settlement, compromise or
consent includes an unconditional release of each indemnified party from all
liability arising out of such claim, action, suit or proceeding.

                  (d) In the event that the indemnity provided in paragraph (a)
or (b) of this Section 8 is unavailable to or insufficient to hold harmless an
indemnified party for any reason, the Company on the one hand and the Initial
Purchasers on the other hand agree to contribute to the aggregate losses,
claims, damages and liabilities (including legal or other expenses reasonably
incurred in connection with investigating or defending same) (collectively,

                                      -26-
<PAGE>   27
"Losses") to which the Company or one or more of the Initial Purchasers, as
applicable, may be subject in such proportion as is appropriate to reflect the
relative benefits received by the Company or the Initial Purchasers from the
offering of the Securities; provided, however, that in no case shall any Initial
Purchaser be responsible for any amount in excess of the purchase discount or
commission applicable to the Securities purchased by such Initial Purchaser
hereunder. If the allocation provided by the immediately preceding sentence is
unavailable for any reason, the Company and the Initial Purchasers shall
contribute in such proportion as is appropriate to reflect not only such
relative benefits but also the relative fault of the Company or the Initial
Purchasers, as applicable, in connection with the statements or omissions which
resulted in such Losses as well as any other relevant equitable considerations.
Benefits received by the Company shall be deemed to be equal to the total net
proceeds from the offering received by each of them, respectively, (before
deducting expenses), and benefits received by the Initial Purchasers shall be
deemed to be equal to the total purchase discounts and commissions received by
the Initial Purchasers from the Company in connection with the purchase of the
Securities hereunder. Relative fault shall be determined by reference to whether
any alleged untrue statement or omission relates to information provided by the
Company or the Initial Purchasers. The Company and the Initial Purchasers agree
that it would not be just and equitable if contribution were determined by pro
rata allocation or any other method of allocation which does not take account of
the equitable considerations referred to above. Notwithstanding the provisions
of this paragraph (d), no person guilty of fraudulent misrepresentation (within
the meaning of Section 11(f) of the Securities Act) shall be entitled to
contribution from any person who was not guilty of such fraudulent
misrepresentation. For purposes of this Section 8 each person who controls an
Initial Purchaser within the meaning of either the Securities Act or the
Exchange Act and each director, officer, employee and agent of an Initial
Purchaser shall have the same rights to contribution as such Initial Purchaser,
and each person who controls the Company within the meaning of either the
Securities Act or the Exchange Act and each officer and director of the Company
shall have the same rights to contribution as the Company subject in each case
to the applicable terms and conditions of this paragraph (d).

                  9. Default by an Initial Purchaser. If any one or more Initial
Purchasers shall fail to purchase and pay for any of the Securities agreed to be
purchased by such Initial Purchaser hereunder and such failure to purchase shall
constitute a default in the performance of its or their obligations under this
Agreement, the remaining Initial Purchasers shall be obligated severally to take
up and pay for (in the respective proportions which the principal amount of
Securities set forth opposite their names in Schedule I hereto bears to the
aggregate principal amount of securities set forth opposite the names of all the
remaining Initial Purchasers) the Securities which the defaulting Initial
Purchaser or Initial Purchasers agreed but failed to purchase; provided,
however, that in the event that the aggregate principal amount of Securities
which the defaulting Initial Purchaser or Initial Purchasers agreed but failed
to purchase shall exceed 10% of the aggregate principal amount of Securities set
forth in Schedule I hereto, the remaining Initial Purchasers shall have the
right to purchase all, but shall not be

                                      -27-
<PAGE>   28
under any obligation to purchase any, of the Securities, and if such
non-defaulting Initial Purchasers do not purchase all the Securities, this
Agreement will terminate without liability to any non-defaulting Initial
Purchaser or Company. In the event of a default by any Initial Purchaser as set
forth in this Section 9 the Closing Date shall be postponed for such period, not
exceeding seven days, as the Initial Purchasers shall determine in order that
the required changes in the Final Memorandum or in any other documents or
arrangements may be effected. Nothing contained in this Agreement shall relieve
any defaulting Initial Purchaser of its liability, if any, to the Company or any
non-defaulting Initial Purchaser for damages occasioned by its default
hereunder.

                  10. Termination. This Agreement shall be subject to
termination in the absolute discretion of the Initial Purchasers, by notice
given to the Company prior to delivery of and payment for the Securities, if
prior to such time (i) trading in any of the Company's securities shall have
been suspended by the Commission or trading in securities generally on the New
York Stock Exchange or the NASDAQ National Market shall have been suspended or
limited or minimum prices shall have been established on either of such
exchanges, (ii) a banking moratorium shall have been declared either by Federal
or New York State authorities or (iii) there shall have occurred any outbreak or
escalation of hostilities, declaration by the United States of a national
emergency or war or other calamity or crisis the effect of which on financial
markets is such as to make it, in the judgment of the Initial Purchasers,
impracticable or inadvisable to proceed with the offering or delivery of the
Securities as contemplated by the Final Memorandum.

                  11. Representations and Indemnities to Survive. The respective
agreements, representations, warranties, indemnities and other statements of the
Company or its officers, and of the Initial Purchasers set forth in or made
pursuant to this Agreement will remain in full force and effect, regardless of
any investigation made by or on behalf of the Initial Purchasers or the Company
or any of the officers, directors or controlling persons referred to in Section
8 hereof, and will survive delivery of and payment for the Securities. The
provisions of Sections 7 and 8 hereof shall survive the termination or
cancellation of this Agreement.

                  12. Notices. All communications hereunder will be in writing
and effective only on receipt, and, if sent to the Initial Purchasers, will be
mailed, delivered or telegraphed and confirmed to them, care of Salomon Smith
Barney Inc., at 390 Greenwich Street, New York, New York 10013; if sent to the
Company, will be mailed, delivered or telegraphed and confirmed to it at Verio
Inc., 8005 South Chester Street, Suite 200, Englewood, Colorado 80112,
Attention: Carla Hamre Donelson, Esq.; with a copy to Morrison & Foerster LLP,
425 Market Street, San Francisco, CA 94105, Attention: Gavin Grover, Esq.

                  13. Successors. This Agreement will inure to the benefit of
and be binding upon the parties hereto and their respective successors and the
officers and directors and

                                      -28-
<PAGE>   29
controlling persons referred to in Section 8 hereof, and, except as expressly
set forth in Section 5(f) hereof, no other person will have any right or
obligation hereunder.

                  14. Applicable Law. This Agreement will be governed by and
construed in accordance with the laws of the State of New York.

                  15. Business Day. For purposes of this Agreement, "business
day" means each Monday, Tuesday, Wednesday, Thursday and Friday that is not a
day on which banking institutions in the City of New York, New York are
authorized or obligated by law, executive order or regulation to close.

                  16. Counterparts. This Agreement may be executed in one or
more counterparts, each of which will be deemed to be an original, but all such
counterparts will together constitute one and the same instrument.

                            [Signature Page Follows]

                                      -29-
<PAGE>   30

                  If the foregoing is in accordance with your understanding of
our agreement, please sign and return to us the enclosed duplicate hereof,
whereupon this Agreement and your acceptance shall represent a binding agreement
between the Company and the Initial Purchasers.

                                  Very truly yours,

                                  VERIO INC.

                                  By:
                                      ------------------------------
                                      Name:
                                      Title:

The foregoing Agreement is hereby con-
firmed and accepted as of the date first
above written.

Salomon Smith Barney Inc.
Donaldson, Lufkin & Jenrette Securities Corporation
Morgan Stanley & Co. Incorporated

By:      Salomon Smith Barney Inc.

By:
     ------------------------------------
     Name:
     Title:

                                       S-1
<PAGE>   31

                                   SCHEDULE I

<TABLE>
<CAPTION>
                                                                Principal Amount
                                                                    of Notes
Initial Purchasers                                              To Be Purchased
------------------                                              ---------------
<S>                                                              <C>
Salomon Smith Barney Inc......................................   $ 220,000,000
Donaldson, Lufkin & Jenrette Securities Corporation...........     120,000,000
                                                                    60,000,000
Morgan Stanley & Co. Incorporated.............................   -------------
                                                                 $ 400,000,000
     Total                                                       =============

</TABLE>

<PAGE>   32

                                   SCHEDULE II

Subsidiaries

<TABLE>
<CAPTION>
                                                                                      Percentage
                                                   Organized                          Ownership
Name of Entity                                     Under Laws of                      of Company
--------------                                     -------------                      ----------
<S>                                                <C>                                <C>
Best Internet Communications, Inc. (d/b/a          California                         100%
Hiway Technologies)

digitalNATION, Inc.                                Virginia                           100%
</TABLE>

<PAGE>   33

                                                                     EXHIBIT A

                       Selling Restrictions for Offers and
                         Sales Outside the United States

                  (1) (a) The Securities have not been and will not be
registered under the Securities Act and may not be offered or sold within the
United States or to, or for the account or benefit of, U.S. persons except in
accordance with Regulation S under the Securities Act or pursuant to an
exemption from the registration requirements of the Securities Act. Each Initial
Purchaser represents and agrees that, except as otherwise permitted by Section
4(a)(i) or (ii) of the Agreement to which this is an exhibit, it has offered and
sold the Securities, and will offer and sell the Securities, (i) as part of
their distribution at any time and (ii) otherwise until 40 days after the later
of the commencement of the offering and the Closing Date, only in accordance
with Rule 903 of Regulation S under the Securities Act. Accordingly, each
Initial Purchaser represents and agrees that neither it, nor any of its
affiliates nor any person acting on its or their behalf has engaged or will
engage in any directed selling efforts with respect to the Securities, and that
it and they have complied and will comply with the offering restrictions
requirement of Regulation S. Each Initial Purchaser agrees that, at or prior to
the confirmation of sale of Securities (other than a sale of Securities pursuant
to Section 4(a)(i) or (ii) of the Agreement to which this is an exhibit), it
shall have sent to each distributor, dealer or person receiving a selling
concession, fee or other remuneration that purchases Securities from it during
the restricted period a confirmation or notice to substantially the following
effect:

                  "The Securities covered hereby have not been registered under
         the U.S. Securities Act of 1933 (the "Securities Act") and may not be
         offered or sold within the United States or to, or for the account or
         benefit of, U.S. persons (i) as part of their distribution at any time
         or (ii) otherwise until 40 days after the later of the commencement of
         the offering and [specify closing date of the offering], except in
         either case in accordance with Regulation S or Rule 144A under the
         Securities Act. Terms used above have the meanings given to them by
         Regulation S."

                          (b) Each Initial Purchaser also represents and agrees
that it has not entered and will not enter into any contractual arrangement with
any distributor with respect to the distribution of the Securities, except with
its affiliates or with the prior written consent of the Company.

                          (c) Terms used in this section have the meanings given
to them by Regulation S.

<PAGE>   34

                  (2) Each Initial Purchaser represents and agrees that (i) it
has not offered or sold and will not offer or sell, in the United Kingdom, by
means of any document, any Securities other than to persons whose ordinary
business it is to buy or sell shares or debentures, whether as principal or as
agent (except in circumstances which do not constitute an offer to the public
within the meaning of the Companies Act 1985 of Great Britain), (ii) it has
complied and will comply with all applicable provisions of the Financial
Services Act 1986 of the United Kingdom with respect to anything done by it in
relation to the Securities in, from or otherwise involving the United Kingdom,
and (iii) it has only issued or passed on and will only issue or pass on in the
United Kingdom any document received by it in connection with the issue of the
Securities to a person who is of a kind described in Article 9(3) of the
Financial Services Act 1986 (Investment Advertisements) (Exemptions) Order 1988
or is a person to whom the document may otherwise lawfully be issued or passed
on.

                                      -2-

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