SPATIALIGHT INC
8-K, 1998-01-08
PHOTOGRAPHIC EQUIPMENT & SUPPLIES
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<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549



                                  FORM 8-K

                                CURRENT REPORT
                        PURSUANT TO SECTION 13 OR 15(d)
                    OF THE SECURITIES EXCHANGE ACT OF 1934


     DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED):  DECEMBER 24, 1997



                              SPATIALIGHT, INC.
           (Exact name of registrant as specified in its charter)


           NEW YORK                      000-19828              16-1363082
(State or other jurisdiction of   (Commission File Number)   (I.R.S. Employer)
incorporation or organization)                              Identification No.)



           8-C COMMERCIAL BLVD., NOVATO, CA            94949-6125
       (Address of principal executive offices)        (Zip Code)




     Registrant's telephone number, including area code:  (415) 883-1693


<PAGE>

ITEM 7.   EXHIBITS.

          (a)  Financial Statements of Business Acquired.

               Not applicable.

          (b)  Pro Forma Financial Information.

               Not applicable.

          (c)  Exhibits
               --------

               Exhibit No.    Description
               -----------    -----------
               4.5            Form of Debenture

               4.6            Registration Rights Agreement

               10.18(1)       Form of Securities Purchase Agreement

               99.1           Press Release dated December 31, 1997
                              announcing the execution of the Securities 
                              Purchase Agreement.



(1)  Other Exhibits to the Securities Purchase Agreement not filed herewith are
identified in the Securities Purchase Agreement.  The registrant will
supplementally furnish any omitted Exhibit to the Commission upon request.


ITEM 9.   SALES OF EQUITY SECURITIES PURSUANT TO REGULATION S

     On December 24, 1997 the issuer closed the private placement of $450,000 
principal amount of convertible debentures to purchasers outside the United 
States.  The debentures have a two year term and carry a 3% interest rate. 
Beginning 45 days after the date of issuance, principal and accrued interest 
are convertible into the issuer's common stock at a conversion price equal to 
120% of the average closing bid price for the stock over the five trading 
days preceding the issuance date or, if lower, 75% of the average closing bid 
price of the stock over the five trading days preceding the time the debt is 
converted. The Company is required to maintain a share reserve of at least 
150% of the number of shares that would be needed at any time to fully 
convert the debentures then outstanding, and the Company is subject to 
penalties if the Company does not timely deliver certificates representing 
conversion shares. The terms of conversion are set out in section 4 of the 
form of debenture attached as exhibit 4.5 hereto, which is incorporated 
herein by reference. Net of fees and expenses, the issuer received $387,000 
from this placement.  In addition to a cash placement fee, the placement 
agent received 5 year warrants to purchase 45,000 shares of  issuer common 
stock at the closing bid price on December 24.  The issuer expects that the 
proceeds of the placement will be used for working capital.  The issuer 
anticipates that it may from time to time issue additional debentures on 
similar terms based on its working capital needs in the next several 
quarters.  Under the terms of the Securities Purchase Agreement, and the 
related Registration Rights Agreement, the Company is required within 30 days 
of the issuance date to prepare and file with the Securities and Exchange 
Commission a registration statement covering the resale of the issuer's 
common stock issuable on conversion of the debentures.

<PAGE>

     The debentures offered have not been and will not be registered under 
the Securities Act of 1933, as amended (the "Act"), and may not be offered or 
sold in the United States or to a U.S. Person absent registration or an 
applicable exemption from the registration requirements.  The debentures were 
issued under the exemption from registration provided by Regulation S 
promulgated under the Act.  The Company and the placement agent were each 
obligated to conduct the offering and sale of the debentures in a manner 
consistent with that exemption. Each purchaser of the debentures (a "Buyer") 
has represented to the issuer that (i) the Buyer is not a "U.S. person" as 
that term is defined in Rule 902(o) of Regulation S and the Buyer was not 
formed by a "U.S. person" for the purpose of investing in securities not 
registered under the Act, unless the Buyer is or was organized or 
incorporated by "U.S. persons" who are accredited investors (as defined in 
Rule 501(a) under the Act) and who are not natural persons, estates or 
trusts, and all owners of interests in such entity who are not "U.S. persons" 
are institutional investors, and not natural persons, estates or trusts; (ii) 
the debentures were not offered to the Buyer in the United States and at the 
time of issuance of the debentures and of any offer to the Buyer to purchase 
the debentures, the Buyer was physically outside the United States; (iii) the 
Buyer purchased the debentures for its own account and not on behalf of or 
for the benefit of any U.S. person and the sale and resale of the debentures 
were not prearranged with any buyer in the United States; (iv) the Buyer knew 
of no public solicitation or advertisement of an offer in the U.S. in 
connection with the placement.  Each Buyer agreed that all offers and sales 
of the debentures (or the issuer Common Stock issuable upon conversion 
thereof) prior to the expiration of a period commencing on December 24, 1997 
and ending forty days thereafter (the "Regulation S Restricted Period") would 
not be made to U.S. persons or for the account or benefit of U.S. persons and 
would otherwise be made in compliance with the provisions of Regulation S 
whether currently in effect or hereafter amended.  Each Buyer also 
represented that it had not been engaged as a distributor or dealer with 
respect to the placement.

<PAGE>


                           SIGNATURES


     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                   Spatialight, Inc.


January 8, 1998                    By:       /s/ William E. Hollis
                                       -------------------------------------
                                       William E. Hollis
                                       Chairman, Chief Executive Officer and
                                       Chief Financial Officer


<PAGE>

                       INDEX TO EXHIBITS


Exhibit No.    Description
- -----------    -----------
4.5            Form of Debenture

4.6            Registration Rights Agreement

10.18(1)       Form of Securities Purchase Agreement

99.1           Press Release dated December 31, 1997 announcing the
               execution of the Securities Purchase Agreement.





(1)  Other Exhibits to the Securities Purchase Agreement not filed herewith are
identified in the Securities Purchase Agreement.  The registrant will
supplementally furnish any omitted Exhibit to the Commission upon request.


<PAGE>

THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE UNITED STATES SECURITIES AND
EXCHANGE COMMISSION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"),
OR THE SECURITIES COMMISSION OF ANY STATE UNDER ANY STATE SECURITIES LAW.  THEY
ARE BEING OFFERED PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER REGULATION S
("REGULATION") PROMULGATED UNDER THE ACT.  THE SECURITIES MAY NOT BE OFFERED,
SOLD OR OTHERWISE TRANSFERRED UNLESS THE SECURITIES ARE REGISTERED UNDER THE
ACT AND APPLICABLE STATE SECURITIES LAWS, OR SUCH OFFERS, SALES AND TRANSFERS
ARE MADE PURSUANT TO AVAILABLE EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF
THE ACT AND THOSE LAWS.

THESE SECURITIES HAVE NOT BEEN RECOMMENDED BY ANY FEDERAL OR STATE SECURITIES
COMMISSION OR REGULATORY AUTHORITY. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

   No. - -                                                  $_______ U.S.

                              SPATIALIGHT, INC.

           3% SUBORDINATED CONVERTIBLE DEBENTURE DUE DECEMBER 24, 1999

     THIS DEBENTURE is one of a duly authorized issue of Debentures of
Spatialight, Inc., a corporation duly organized and existing under the laws of
the State of New York (the "Company"), designated as its 3% Subordinated
Convertible Debentures Due December 24, 1999, in an aggregate principal amount
not exceeding U.S. $800,000 (the "Debentures").

FOR VALUE RECEIVED, the Company promises to pay to ___________ the registered
holder hereof (the "Holder"), the principal sum of ___________ Dollars
($_______ U.S.), on or prior to December 24, 1999, (the "Maturity Date"), and
to pay interest on the principal sum
                     (CONTINUED ON REVERSE)


IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed
by an officer thereunto duly authorized.

                                  SPATIALIGHT, INC.



Dated: December 24, 1997          By:
                                     -----------------------------------------
                                       William E. Hollis
                                       Chairman of the Board, Chief Executive
                                       Officer, and Chief Financial Officer


                                       1

<PAGE>

outstanding from time to time in arrears on the Maturity Date, at the rate of 
3% per annum.  Accrual of interest on this Debenture shall commence on the 
date that, in connection with the consummation of the initial purchase of 
this Debenture from the Company, the escrow agent first had in its possession 
funds representing full payment for this Debenture, and interest shall 
continue to accrue until payment in full of the principal sum has been made 
or duly provided for.  The interest so payable will be paid on the Maturity 
Date to the person in whose name this Debenture (or one or more predecessor 
Debentures) is registered on the records of the Company regarding 
registration and transfers of the Debentures (the "Debenture Register") at 
the Company's option in either cash or Common Stock.  All accrued and unpaid 
interest shall bear interest at the same rate of 3% per annum from the 
Maturity Date until the date of payment. The principal of, and interest on, 
this Debenture are payable in such coin or currency of the United States of 
America as at the time of payment is legal tender for payment of public and 
private debts, at the address of the Holder last appearing on the Debenture 
Register of the Company as designated in writing by the Holder from time to 
time.  The Debenture Register shall represent the record of ownership and 
right to receive principal and interest on this Debenture.  Interest and 
principal shall be payable only to the registered Holder as reflected in the 
Debenture Register.  The right to receive principal and interest under this 
Debenture shall be transferable only through an appropriate entry in the 
Debenture Register as provided herein.  The forwarding of such payment shall 
constitute a payment of interest hereunder and shall satisfy and discharge 
the liability for principal and interest on this Debenture to the extent of 
the sum represented by such payment.

     This Debenture is subject to the following additional provisions:

1.   DEBENTURES.  The Debentures are issuable in denominations of One Hundred
Thousand Dollars ($100,000 U.S.) and integral multiples of Fifty Thousand
Dollars ($50,000 U.S.) in excess thereof.  The Debentures are exchangeable for
an equal aggregate principal amount of Debentures of different authorized
denominations, as requested by the Holders surrendering the same, but shall not
be issuable in denominations less than integral multiples of Fifty Thousand
Dollars ($50,000 U.S.). No service charge or other charges of any kind will be
made for such registration of transfer or exchange.

2.   WITHHOLDINGS.  The Company shall be entitled to withhold from all payments
of principal of, and interest on, this Debenture any amounts required to be
withheld under the applicable provisions of the United States income tax laws
or other applicable laws at the time of such payments.  The Holder shall pay
any other taxes, charges, or levies in connection with the issuance or transfer
thereof.

3.   TRANSFER.  This Debenture is issued subject to investment representations
of the original Holder hereof and may be transferred or exchanged only in
compliance with the Securities Act of 1933, as amended (the "Act"), including
Regulation S promulgated under the Act.  Any Holder of this Debenture, by
acceptance hereof, agrees to the representations, warranties and covenants
herein.  Prior to due presentment to the Company for transfer of this
Debenture, the Company 


                                       2

<PAGE>

and any agent of the Company may treat the person in whose name this 
Debenture is duly registered on the Company's Debenture Register as the owner 
hereof for the purpose of receiving payment as herein provided and for all 
other purposes, whether or not this Debenture be overdue, and neither the 
Company nor any such agent shall be affected by notice to the contrary.

4.   CONVERSION.  The record Holder of this Debenture shall have conversion
rights as follows  (the "Conversion Rights"):

     (a)  RIGHT TO CONVERT.  The record Holder of this Debenture shall be
entitled, at the option of the Holder, subject to the Company's right of
redemption set forth in Section 5(a), to convert 100%  of the aggregate
principal amount of Debentures held by such Holder, at any time beginning on
February 7, 1998, at the office of the Company or any transfer agent for the
Debentures, into that number of fully-paid and non-assessable shares of Common
Stock of the Company calculated in accordance with the following formula:

Number of shares issued upon conversion  =  (Principal + Interest)/Conversion
Price, where

     -    Principal = The principal amount of the Debenture(s) to be 
          converted,

     -    Interest = Principal x (N/365) x .03, where N = the number of days 
          between (i) the date of issuance of this Debenture, and (ii) the 
          applicable date of conversion for the Debenture for which 
          conversion is being elected, and

     -    Conversion Price = the lesser of (x) 75% of the average Closing 
          Bid Price for the Company's Common Stock for the five (5) trading 
          days immediately preceding the Date of Conversion, as defined 
          below, or (y) 120% of the average Closing Bid Price for the Common 
          Stock of the Company for the five (5) trading days immediately 
          preceding the Closing Date (as defined in the Security Purchase 
          Agreement between the Holder and the Company, dated of even date 
          herewith, the "Securities Purchase Agreement"). For purposes 
          hereof, the term "Closing Bid Price" shall mean the closing bid 
          price of Company's Common Stock as reported by NASDAQ (or, if not 
          reported by NASDAQ, as reported by such other exchange or market 
          where traded).

     (b)  MECHANICS OF CONVERSION.  No fractional shares of Common Stock shall
be issued upon conversion of this Debenture.  In lieu of any fractional share
to which the Holder would otherwise be entitled, the Company shall pay cash to
such Holder in an amount equal to such fraction multiplied by the Conversion
Price then in effect.  In the case of a dispute as to the calculation of the
Conversion Rate, the Company's calculation shall be deemed conclusive absent
manifest error.  In order to convert Debentures into full shares of Common
Stock, the Holder shall surrender the certificate or certificates therefor,
duly endorsed, by either overnight courier or 2-day courier, to the office of
the Company or of any transfer agent for the Debentures, and shall give written
notice to the Company (the "Notice of Conversion") at such office that he
elects to convert the same, the number and principal amount of Debentures so
converted and a calculation 


                                       3

<PAGE>

of the Conversion Rate (with an advance copy of the certificate(s) and the 
notice by facsimile); provided, however, that the Company shall not be 
obligated to issue certificates evidencing the shares of Common Stock 
issuable upon such conversion unless either the certificates evidencing such 
Debentures are delivered to the Company or its transfer agent as provided 
above, or the Holder notifies the Company or its transfer agent that such 
certificates have been lost, stolen or destroyed and executes an agreement 
satisfactory to the Company to indemnify the Company from any loss incurred 
by it in connection with such certificates.

     The Company shall use reasonable efforts to issue and deliver within three
(3) business days after delivery to the Company of such certificates, or after
such agreement and indemnification, to such Holder of Debentures at the address
of the Holder on the books of the Company, a certificate or certificates for
the number of shares of Common Stock to which the Holder shall be entitled as
aforesaid.  The date on which notice of conversion is given (the "Date of
Conversion") shall be deemed to be the date set forth in such notice of
conversion, provided that the original Debentures to be converted are received
by the transfer agent or the Company within five (5) business days thereafter
and the person or persons entitled to receive the shares of Common Stock
issuable upon such conversion shall be treated for all purposes as the record
holder or holders of such shares of Common Stock on such date.  If the original
Debentures to be converted are not received by the transfer agent or the
Company within five business days after the Date of Conversion, the notice of
conversion shall become null and void.

     Following conversion of a Debenture, or a portion thereof, the principal
and interest owed on that Debenture or portion of the Debenture so converted
will be deemed paid in full and satisfied, and such Debenture or portion
thereof will no longer be outstanding.

     (c)  RESERVATION OF STOCK ISSUABLE UPON CONVERSION.  The Company shall at
all times reserve and keep available out of its authorized but unissued shares
of Common Stock, solely for the purpose of effecting the conversion of the
Debentures (as defined in the Securities Purchase Agreement), no less than 150%
of the number of its shares of Common Stock as shall from time to time be
sufficient to effect the conversion of all then outstanding Debentures; and if
at any time the number of authorized but unissued shares of Common Stock shall
not be sufficient to effect the conversion of all then outstanding Debentures,
the Company will take such corporate action as may be necessary to increase its
authorized but unissued shares of Common Stock to such number of shares as
shall be sufficient for such purpose.

     (d) Nothing contained in this Debenture or paragraph 4(e) hereof, shall
be deemed to establish or require the payment of interest to the  Purchaser at
a rate in excess of the maximum rate permitted by governing law.  In the event
that the rate of interest required to be paid under the Debenture exceeds the
maximum rate permitted by governing law, the rate of interest required to be
paid thereunder shall be automatically reduced to the maximum rate permitted
under the governing law and any amounts selected in excess of the permissible
amount shall be deemed a payment of principal.  To the extent that such excess
amount exceeds the aggregate principal amount of this Debenture, such excess
shall be returned with reasonable promptness by the 


                                       4

<PAGE>

Holder to the Company.

     (e) In the event the Company does not make delivery of the certificates
of Common Stock, as instructed by Holder, within ten (10) business days after
the Date of Conversion, then in such event the Company shall pay to the Holder
an amount, in immediately available funds in accordance with the following
schedule, wherein "No. Business Days Late" is defined as the number of business
days beyond the 3 business days delivery period.

                                         LATE PAYMENT FOR EACH
                                         $10,000 OF DEBENTURE
PRINCIPAL AMOUNT BEING
NO. BUSINESS DAYS LATE                   CONVERTED
     1                                   $100
     2                                   $200
     3                                   $300
     4                                   $400
     5                                   $500
     6                                   $600
     7                                   $700
     8                                   $800
     9                                   $900
     10                                  $1,000
     11                                  $1,000 +  $200 for each
                              Business Days Late Beyond 10 days

     To the extent that the failure of the Company to issue the certificates of
Common Stock pursuant to this Section 4(e) is due to the unavailability of
authorized but unissued shares of Common Stock, the provisions of this Section
4(e) shall not apply but instead the provisions of Section 4(f) shall apply.
The Company shall pay any payments incurred under this Section 4(e) in
immediately available funds within three (3) business days from the date of
issuance of the certificates of applicable Common Stock.  Nothing herein shall
limit a Holder's right to pursue actual damages for the Company's failure to
issue and deliver Common Stock to the Holder within six (6) business days after
the Date of Conversion.

     (f) If, at any time, a Holder submits a Notice of Conversion and the
Company does not have sufficient authorized but unissued shares of Common Stock
available to effect, in full, a conversion of the Debentures (a "Conversion
Default," the date of such default being referred to herein as the "Conversion
Default Date"), the Company shall issue to the Holder a certificate
representing all of the shares of Common Stock which are available, and the
Notice of Conversion as to any Debentures requested to be converted but not
converted (the "Unconverted Debentures") shall become null and void.  The
Company shall provide notice of such Conversion Default ("Notice of Conversion
Default" to all existing Holders of outstanding Debentures, by facsimile,
within one (1) business day of such default (with the original delivered by
overnight or 


                                       5

<PAGE>

two day courier).  No Holder may submit a Notice of Conversion after receipt 
of Notice of Conversion Default until the date additional shares of Common 
Stock are authorized by the Company.  The Company agrees to pay to all 
Holders of outstanding Debentures payments for a Conversion Default 
("Conversion Default Payments") in the amount of (N/365 x (.24) x the initial 
issuance price of the outstanding Debentures held by each Holder where N = 
the number of days from the Conversion Default Date to the date (the 
"Authorization Date") that the Company authorizes a sufficient number of 
shares of Common Stock to affect conversion of all remaining Debentures.  The 
Company shall send notice ("Authorization Notice") to each Holder of 
outstanding Debentures that additional shares of Common Stock have been 
authorized, the Authorization Date and the amount of Holder's accrued 
Conversion Default Payments.  The accrued Conversion Default shall be paid in 
immediately available funds, or shall be convertible into Common Stock at the 
Conversion Rate, at the Purchaser's option, payable as follows:  (i) in the 
event Purchaser elects to take such payment in immediately available funds, 
payments shall be made to such Purchaser of outstanding Debentures by the 
fifth day of the following calendar month, or (ii) in the event Purchaser 
elects to take such payment in stock, the Purchaser may convert such payment 
amount into Common Stock at the Conversion Rate at anytime after the 5th day 
of the calendar month following the month in which the Authorization Notice 
was received, until the expiration of the Mandatory Conversion Date (as 
defined herein).

          Nothing herein shall limit the Purchaser's right to pursue actual
damages for the Company's failure to maintain a sufficient number of authorized
shares of common stock.

     (g) MANDATORY PAYMENT OR CONVERSION ON MATURITY DATE.  Each Holder of a
Debenture outstanding on December 24, 1999, shall have the right to demand, by
written notice to the Company which is received by the Company no later than
December 10, 1999, (the "Payment Notice"), that payment of all principal and
accrued interest on this Debenture be paid to such Holder in cash or in
immediately available funds on December 24, 1999.  Each outstanding Debenture
for which a Payment Notice is not timely received by the Company on or before
December 10, 1999, automatically shall be converted into Common Stock on
December 24, 1999, at the Conversion Price for each share of Common Stock
calculated in accordance with the formula in Section 4(a) above, and
December 24, 1999, shall be deemed the Date of Conversion with respect to such
conversion.  The Company shall not be entitled to require conversion of the
Debentures.

     (h)  ADJUSTMENT TO FIXED CONVERSION PRICE.

          (i)  If, prior to the conversion of all of the Debentures, the
     number of outstanding shares of Common Stock is increased by a stock
     split, stock dividend, or other similar event, the Fixed Conversion Price
     shall be proportionately reduced, or if the number of outstanding shares
     of Common Stock is decreased by a combination or reclassification of
     shares, or other similar event, the Fixed Conversion Price shall be
     proportionately increased.


                                       6

<PAGE>
     
          (ii)  If, prior to the conversion of all Debentures, there shall be
     any merger, consolidation, exchange of shares, recapitalization,
     reorganization, or other similar event, as a result of which shares of
     Common Stock of the Company shall be changed into the same or a different
     number of shares of the same or another class or classes of stock or
     securities of the Company or another entity, then the Holders of
     Debentures shall thereafter have the right to purchase and receive upon
     conversion of Debentures, upon the basis and upon the terms and conditions
     specified herein and in lieu of the shares of Common Stock immediately
     theretofore issuable upon conversion, such shares of stock and/or
     securities as may be issued or payable with respect to or in exchange for
     the number of shares of Common Stock immediately theretofore purchasable
     and receivable upon the conversion of Debentures held by such Holders had
     such merger, consolidation, exchange of shares, recapitalization or
     reorganization not taken place, and in any such case appropriate
     provisions shall be made with respect to the rights and interests of the
     Holders of the Debentures to the end that the provisions hereof shall
     thereafter be applicable, as nearly as may be practicable in relation to
     any shares of stock or securities thereafter deliverable upon the exercise
     hereof.   The Company shall not effect any transaction described in this
     subsection 4(h) unless the resulting successor or acquiring entity (if not
     the Company) assumes by written instrument the obligation to deliver to
     the Holders of the Debentures such shares of stock and/or securities as,
     in accordance with the foregoing provisions, the Holders of the Debentures
     may be entitled to purchase.

          (iii)    If any adjustment under this Section 4(h) would create a
     fractional share of Common Stock or a right to acquire a fractional share
     of Common Stock, such fractional share shall be disregarded and the number
     of shares of Common Stock issuable upon conversion shall be the next
     higher number of shares.

5.   REDEMPTION.

     (a) RIGHT TO REDEEM.  The Company shall have the right, in its sole
discretion, upon receipt of a notice of conversion pursuant to Section 4, to
redeem in whole any Debentures submitted for conversion, immediately prior to
conversion.

     (b) MECHANICS OF REDEMPTION.  The Company shall effect each such
redemption by giving notice of its election to redeem, by facsimile within one
(1) business day following receipt of a notice of conversion from a Holder,
with a copy by 2-day courier, to the Holder of Debentures submitted for
conversion at the address and facsimile number of such Holder appearing in the
Company's register for the Debentures.  Such redemption notice shall indicate
whether the Company will redeem all or part of the Debentures submitted for
conversion and the applicable redemption price.  The Company shall not be
entitled to send any notice of redemption and begin the redemption procedure
unless it has the full amount of the redemption price, in cash, available in a
demand or other immediately available account in a bank or similar financial
institution on the date the redemption notice is sent to the Holder.


                                       7

<PAGE>

     The redemption price per Debenture shall be calculated as 100% of the five
day average Closing Bid Price immediately preceding the Date of Conversion.

     For the purposes of the above formula, "Principal,"and "Interest," shall
have the meanings set forth in Section 4(a).

     The redemption price shall be paid to the Holder of Debentures redeemed
within two (2)  business days of the delivery of the notice of such redemption
to such Holder; provided, however, that the Company shall not be obligated to
deliver any portion of such redemption price unless either the certificates
evidencing the Debentures redeemed are delivered to the Company or its transfer
agent as provided in Section 4(b), or the Holder notifies the Company or its
transfer agent that such certificates have been lost, stolen or destroyed and
executes an agreement satisfactory to the Company to indemnify the Company from
any loss incurred by it in connection with such certificates.

6.   NO PREPAYMENT.  The Company shall have no right to prepay this Debenture,
in whole or in part, prior to the Maturity Date: provided, however, that this
Section 6 shall not prevent the Company from exercising the redemption rights
set forth in Section 5 in the event a holder of this Debenture seeks to convert
this Debenture.

7.   The following shall constitute an "Event of Default":

     (a) The Company shall default in the payment of Principal or Interest on
this Debenture; or

     (b) Any of the representations, warranties, or covenants made by the
Company herein, in the Securities Purchase Agreement, Registration Rights
Agreement, Escrow Agreement, or any other related agreements, or in any
certificate or financial or other written statements heretofore or hereafter
furnished by the Company in connection with the execution and delivery of this
Debenture or the Security Purchase Agreement shall be false or misleading in
any material respect at the time made; or

     (c) The Company shall fail to perform or observe, in any material
respect, any other covenant, term, provision, condition, agreement, or
obligation of the Company under this Debenture, the Registration Rights
Agreement, the Escrow Agreement, or any other related agreement and such
failure shall continue uncured for a period of ten (10) business days after
written notice from the Holder of such failure; or

     (d) The Company shall (1) admit in writing its inability to pay its debts
generally as they mature; (2) make an assignment for the benefit of creditors
or commence proceedings for its dissolution; or (3) apply for or consent to the
appointment of a trustee, liquidator or receiver for its or for a substantial
part of its property or business; or


                                       8

<PAGE>

     (e) A trustee, liquidator or receiver shall be appointed for the Company
or for a substantial part of its property or business without its consent and
shall not be discharged within sixty (60) days after such appointment; or

     (f) Any governmental agency or any court of competent jurisdiction at the
instance of any governmental agency shall assume custody or control of the
whole or any substantial portion of the properties or assets of the Company and
shall not be dismissed within sixty (60) days thereafter; or

     (g) Any money judgement, writ or warrant of attachment, or similar
process in excess of One Hundred Thousand ($100,000) Dollars in the aggregate
shall be entered or filed against the Company or any of its properties or other
assets and shall remain unpaid, unvacated, unbonded or unstayed for a period of
sixty (60) days or in any event later than five (5) days prior to the date of
any proposed sale thereunder; or

     (h) Bankruptcy, reorganization, insolvency liquidation proceedings or
other proceedings for relief under any bankruptcy law or any law for the relief
of debtors shall be instituted by or against the Company and, if instituted
against the Company, the Company shall by any action or answer approve of,
consent to, or acquiesce in any such proceedings or admit the material
allegations of, or default in answering a petition filed in any such
proceeding; or

     (i) The Company shall have its Common Stock suspended or delisted from
trading on the over-the-counter market.  Then, or any time thereafter, and in
each and every such case, unless such Event of Default shall have been waived
in writing by the holder (which waiver shall not be deemed to be a waiver of
any subsequent default) at the option of the Holder and in the Holder's sole
discretion, the Holder may consider this Debenture immediately due and payable
without presentment, demand, protest or notice of any kinds, all of which are
hereby expressly waived, anything herein or in any note or other instruments
contained to the contrary notwithstanding, and the Holder may immediately
enforce any and all of the Holder's rights and remedies provided herein or any
other rights or remedies afforded by law.

8.   NO IMPAIRMENT.  Except as expressly provided herein, no provision of this
Debenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of, and interest on, this
Debenture at the time, place, and rate, and in the coin or currency, herein
prescribed.  This Debenture and all other Debentures now or hereafter issued in
similar terms are direct obligations of the Company.

9.   TERMINATION.  After this Debenture shall have been surrendered for
conversion as herein provided or notice of conversion shall have been given by
the Company pursuant to Section 4(g) herein, this Debenture shall no longer be
deemed to be outstanding and all rights with respect to this Debenture,
including, without limitation, the right to receive interest hereon and the
principal hereof, shall forthwith terminate as of the Date of Conversion,
except only the right of the Holder hereof to receive shares of Common Stock in
exchange herefor.


                                       9

<PAGE>

10.  PROTECTIVE PROVISIONS.  So long as Debentures are outstanding, the Company
shall not without first obtaining the approval (by vote or written consent, as
provided by law) of the Holders of at least a majority of principal amount of
the then outstanding Debentures (i) alter or change the rights, preferences or
privileges of the Debentures so as to affect adversely the Debentures or (ii)
incur indebtedness which is senior to the Debentures.  Notwithstanding the
above, the Company may incur debt with respect to trade credit, purchase money
security interests, inventory and other debt incurred in the ordinary course of
business, including up to $500,000 of secured borrowings from commercial banks
or similar institutional lenders.

11.  NO VOTING RIGHTS.  This Debenture shall not entitle the Holder hereof to
any of the rights of a stockholder of the Company, including without
limitation, the right to vote, to receive dividends and other distributions, or
to receive any notice of, or to attend, meetings of stockholders or any other
proceedings of the Company.

12.  LOST OR DESTROYED DEBENTURE.   If this Debenture shall be mutilated, lost,
stolen or destroyed, the Company shall execute and deliver, in exchange and
substitution for and upon cancellation of a mutilated Debenture, or in lieu of
or in substitution for a lost, stolen or destroyed Debenture, a new Debenture
for the principal amount of this Debenture so mutilated, lost, stolen or
destroyed but only upon receipt of evidence of such loss, theft or destruction
of such Debenture, and of the ownership thereof, and indemnity, if requested,
all reasonably satisfactory to the Company.

13.  SALES IN COMPLIANCE WITH APPLICABLE LAW.  Any Holder of this Debenture, by
acceptance hereof, agrees that such Holder will not offer, sell or otherwise
dispose of this Debenture or the shares of Common Stock issuable upon exercise
thereof except under circumstances which will not result in a violation of the
Act, including Regulation S, if applicable, promulgated under the Act, or any
applicable state Blue Sky law or similar laws relating to the sale of
securities and the Holder agrees to provide the Company with the documentation
required by the Security Purchase Agreement executed by the original Holder
hereof to demonstrate that such offer, sale or disposition complies with
applicable securities laws.

14.  GOVERNING LAW.  This Agreement shall be governed by and interpreted in
accordance with the laws of the State of New York without regard to the
principles of conflict of laws.  Any dispute or controversy between the parties
arising in connection with this agreement or the subject matter contemplated by
this agreement shall be resolved by arbitration before a three-member panel of
the American Arbitration Association in accordance with the commercial
arbitration rules of said forum and the Federal Arbitration Act, 9 U.S.C. 1, ET
SEQ., with the resulting award being final and conclusive.  Said arbitrators
shall be empowered to award all forms of relief and damages claimed, including,
but not limited to, attorney's fees, expenses of litigation and arbitration,
exemplary damages, and prejudgment interest.  Notwithstanding the foregoing,
Holder may at any time and at its option, whether or not an arbitration action
is then pending, initiate a civil action for temporary and permanent injunctive
and other equitable relief 

                                       10

<PAGE>

against Company.  Company acknowledges that upon any breach of Holder's 
conversion rights hereunder, Holder's resulting injury may not be adequately 
compensated by a remedy at law.  Accordingly, upon such breach, Holder, at 
its election and without limitation of its other remedies, shall be entitled 
to pursue a claim for specific performance of this Agreement, and Company 
hereby waives the right to assert any defense thereto that Holder has an 
adequate remedy at law.  The parties further agree that any arbitration 
action between them shall be heard in Atlanta, Georgia, and expressly consent 
to the jurisdiction and venue of the Superior Court of Fulton County, 
Georgia, and the United States District Court for the Northern District of 
Georgia, Atlanta Division for the adjudication of any civil action asserted 
pursuant to this Paragraph.

15.  BUSINESS DAY DEFINITION.  For purposes hereof, the term "business day"
shall mean any day on which banks are generally open for business in the State
of New York, USA and excluding any Saturday and Sunday.

16.  NOTICES.  Any notice, demand or request required or permitted to be given
by either the Company or the Subscriber pursuant to the terms of this Agreement
shall be in writing and shall be deemed given when delivered personally, or by
facsimile (with a hard copy to follow by two day courier), addressed to the
Company at 8-C Commercial Boulevard, Novato, California 94949-6125, Telecopy
No. (415) 883-3363 and with respect to the Holder as disclosed in the
Securities Purchase Agreement or such other addresses as a party may request by
notifying the other in writing.

17.  WAIVER.  Any waiver by the Company or the Holder hereof of a breach of any
provision of this Debenture shall not operate as or be construed to be a waiver
of any other breach of such provision or of any breach of any other provision
of this Debenture.  The failure of the Company or the Holder hereof to insist
upon strict adherence to any term of this Debenture on one or more occasions
shall not be considered a waiver or deprive that party of the right thereafter
to insist upon strict adherence to that term or any other term of this
Debenture.  Any waiver must be in writing.

18.  UNENFORCEABLE PROVISIONS.  If any provision of this Debenture is invalid,
illegal or unenforceable, the balance of this Debenture shall remain in effect,
and if any provision is inapplicable to any person or circumstance, it shall
nevertheless remain applicable to all other persons and circumstances.



                                       11

<PAGE>
                            EXHIBIT "A"

                        NOTICE OF CONVERSION

              (To be Executed by the Registered Holder
          in order to Convert the Convertible Debentures)

The undersigned hereby irrevocably elects to convert $_________ U.S. in
principal amount of Convertible Debentures ("Convertible Debentures"),
represented by Debenture No(s). ____ (the "Convertible Debentures
Certificate(s)") into shares of common stock ("Common Stock"), $0.01 par value,
of Spatialight, Inc. (the "Company") according to the conditions of the
Convertible Debentures, as of the date written below.  If shares are to be
issued in the name of a person other than undersigned, the undersigned will pay
all transfer taxes payable with respect thereto and is delivering herewith such
certificates.  No fee will be charged to the undersigned for any conversion,
except for transfer taxes, if any.

The undersigned represents that it and each person or entity on whose behalf it
holds Convertible Debentures to be converted into Common Stock (each an
"Investor"):  (i) is familiar with and understands the terms, conditions and
requirements contained in Regulation S ("Regulation S") promulgated under the
Securities Act of 1933, as amended (the "Act"); (ii) is not a "U.S. Person" or
"distributor" as defined in Regulation S; (iii) purchased the Convertible
Debentures for which conversion is being elected, and is purchasing the Common
Stock referenced herein, for its own account and for the account of each
Investor and not for the account or benefit of any U.S. Person; (iv) will
comply with the transfer restrictions contained in Section 4(1) of the Act to
the extent applicable; (v) during the Restricted Period (as defined in the
Securities Purchase Agreement), has not had a "short" position in the Company's
securities (including any short call position or any long put position or any
contract or arrangement that had the effect of eliminating or substantially
diminishing the risk of ownership of the Convertible Debentures); (vi) has no
prior understanding with respect to the sale of the Common Stock to any third
party; (vii) has not engaged in any "directed selling efforts" (as such term is
defined in Regulation S) with respect to the Convertible Debentures or the
Common Stock issuable upon conversion of the Convertible Debentures; (viii)
purchased the Convertible Debentures with investment intent and will dispose of
the Common Stock only in compliance with Regulation S and all other applicable
provisions of the federal securities laws; (ix) will make any sale, transfer or
other disposition of the Common Stock in full compliance with the Act, the
Exchange Act, as amended, and the rules and regulations of the Securities and
Exchange Commission promulgated thereunder; and (x) received the offer to
purchase the Convertible Debentures outside the United States and, at the time
the Subscription Agreement pursuant to which the Convertible Debentures was
executed was, and upon execution of this Notice of Conversion is, outside the
United States.  The undersigned has obtained representations from each Investor
with respect to compliance with paragraphs (i) - (x) of this Notice.

Conversion Calculations:          ________________________________________
                                  Date of Conversion

                                  ________________________________________
                                  Applicable Conversion Price

                                  ________________________________________
                                  Signature

                                  ________________________________________
                                  Name

                                  Address:
                                  ________________________________________
                                  ________________________________________





<PAGE>

                         REGISTRATION RIGHTS AGREEMENT
                                       
                                       
     REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of December
____, 1997 by and among Spatialight, Inc., a New York corporation, with
headquarters at 8-C Commercial Boulevard, Novato, California 94949-6125 (the
"COMPANY"), and the undersigned buyer (the "BUYER" ).

     WHEREAS:

     A.   In connection with the Securities Purchase Agreement by and among the
parties of even date herewith (the "SECURITIES PURCHASE AGREEMENT"), the
Company has agreed, upon the terms and subject to the conditions of the
Securities Purchase Agreement, (i) to issue and sell to the Buyer's shares of
the Company's 3% Convertible Debenture (the "DEBENTURES"), which will be
convertible into shares of the Company's common stock, $.01 par value per share
(the "COMMON STOCK") (as converted, the "CONVERSION SHARES") in accordance with
the terms of the Debentures; and

     B.   To induce the Buyers to execute and deliver the Securities Purchase
Agreement, the Company has agreed to provide certain registration rights under
the Securities Act of 1933, as amended, and the rules and regulations
thereunder, or any similar successor statute (collectively, the "1933 ACT"),
and applicable state securities laws:

    NOW, THEREFORE, in consideration of the premises and the mutual covenants
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Company and the Buyers hereby
agree as follows:

          1.   DEFINITIONS.

     As used in this Agreement, the following terms shall have the following
meanings:

          a.   "INVESTOR" means the Buyer and any transferee or assignee
     thereof to whom  the Buyer assigns its rights under this Agreement and
     who agrees to become bound by the provisions of this Agreement in
     accordance with Section 9.

          b.  "PERSON" means a corporation, a limited liability company, an
     association, a partnership, an organization, a business, an individual, a
     governmental or political subdivision thereof or a governmental agency.

          c.  "REGISTER," "REGISTERED," and "REGISTRATION" refer to a
     registration effected by preparing and filing one or more Registration
     Statements in compliance with the 1933 Act and pursuant to Rule 415 under
     the 1933 Act or any successor rule providing for offering securities on a
     continuous basis ("RULE 415"), and the declaration or ordering of
     effectiveness of such Registration Statement(s) by the United States
     Securities and Exchange Commission (the "SEC").

<PAGE>

          d.  REGISTRABLE SECURITIES" means the Conversion Shares issued or
     issuable upon conversion of the Debentures and any shares of capital stock
     issued or issuable with respect to the Conversion Shares or the Debentures
     as a result of any stock split, stock dividend, recapitalization,
     exchange, or similar event.

          e.  "REGISTRATION STATEMENT" means a registration statement of the
     Company filed under the 1933 Act.

     Capitalized terms used herein and not otherwise defined herein shall have
the respective meanings set for the in the Securities Purchase Agreement.

      2.  REGISTRATION.

          a.   MANDATORY REGISTRATION.  The Company shall prepare, and, on or
     prior to thirty (30) days after the date of issuance of any Debentures,
     file with the SEC a Registration Statement or Registration Statements (as
     is necessary) on Form S-3 (or, if such form is unavailable for such a
     registration, on such other form as is available for such a registration,
     subject to the consent of each Buyer and the provisions of Section 2(e),
     which consent will not be unreasonably withheld), covering the resale of
     all of the Registrable Securities, which Registration Statement(s) shall
     state that, in accordance with Rule 416 promulgated under the 1933 Act,
     such Registration Statement(s) also covers such indeterminate number of
     additional shares of Common Stock as may become issuable upon conversion
     of the Debentures (i) to prevent dilution resulting from stock splits,
     stock dividends or similar transactions and (ii) by reason of changes in
     the Conversion Price or Conversion Rate of the Debentures in accordance
     with the terms thereof Such Registration Statement shall initially
     register for resale at least 5,000,000 shares of Common Stock, subject to
     adjustment as provided in Section 3(b), and such registered shares of
     Common Stock shall be allocated among the Investors pro rata based on the
     total number of Registrable Securities issued or issuable as of each date
     that a Registration Statement, as amended, relating to the resale of the
     Registrable Securities is declared effective by the SEC.  The Company
     shall use its best reasonable efforts to have the Registration Statement
     declared effective by the SEC within ninety (90) days after the issuance
     of the Debentures (the "Registration Deadline"). The Company shall permit
     the registration statement to become effective within five (5) business
     days after receipt of a "no review" notice from the SEC.  In the event
     that the Registration Statement is not declared effective by the SEC by
     the Registration Deadline then the Applicable Discount to be used in
     determining the Conversion Price (as defined in the Debenture) shall be
     INCREASED by (i) an additional 3% if the Registration Statement is not
     declared effective by the SEC within thirty (30) days following the
     Registration Deadline, or (ii) an additional 6% if the Registration
     Statement is not declared effective by the SEC within ninety (90) days of
     the Registration Deadline.

          b.   UNDERWRITTEN OFFERING.  If any offering pursuant to a
     Registration Statement pursuant to Section 2(a) involves an underwritten
     offering, the Buyers shall have the right to select one legal counsel and
     an investment banker or bankers and manager or managers


<PAGE>

     to administer their interest in the offering, which investment banker or
     bankers or manager or managers shall be reasonably satisfactory to the
     Company.

         c.    PIGGY-BACK REGISTRATIONS.  If at any time prior to the
     expiration of the Registration Period (as hereinafter defined) the Company
     proposes to file with the SEC a Registration Statement relating to an
     offering for its own account or the account of others under the 1933 Act
     of any of its securities (other than on Form S-4 or Form S-8 or their then
     equivalents relating to securities to be issued solely in connection with
     any acquisition of any entity or business or equity securities issuable in
     connection with stock option or other employee benefit plans) the Company
     shall promptly send to each Investor who is entitled to registration
     rights under this Section 2(c) written notice of the Company's intention
     to file a Registration Statement and of such Investor's rights under this
     Section 2(c) and, if within twenty (20) days after receipt of such notice,
     such Investor shall so request in writing, the Company shall include in
     such Registration Statement all or any part of the Registrable Securities
     such Investor requests to be registered, subject to the priorities set
     forth in Section 2(d) below.  No right to registration of Registrable
     Securities under this Section 2(c) shall be construed to limit any
     registration required under Section 2(a).  The obligations of the Company
     under this Section 2(c) may be waived by Investors holding a majority of
     the Registrable Securities.  If an offering in connection with which an
     Investor is entitled to registration under this Section 2(c) is an
     underwritten offering, then each Investor whose Registrable Securities are
     included in such Registration Statement shall, unless otherwise agreed by
     the Company, offer and sell such Registrable Securities in an underwritten
     offering using the same underwriter or underwriters and, subject to the
     provisions of this Agreement, on the same terms and conditions as other
     shares of Common Stock included in such underwritten offering.

         d.    PRIORITY IN PIGGY-BACK REGISTRATION RIGHTS IN CONNECTION
     WITH REGISTRATIONS OR COMPANY ACCOUNT.  If the registration referred to in
     Section 2(c) is to be an underwritten public offering for the account of
     the Company and the managing underwriter(s) advise the Company in writing,
     that in their reasonable good faith opinion, marketing or other factors
     dictate that a limitation on the number of shares of Common Stock which
     may be included in the Registration Statement is necessary to facilitate
     and not adversely affect the proposed offering, then the Company shall
     include in such registration: (1) first, all securities the Company
     proposes to sell for its own account, (2) second, up to the full number of
     securities proposed to be registered for the account of the holders of
     securities entitled to inclusion of their securities in the Registration
     Statement by reason of demand registration rights, and (3) third, the
     securities requested to be registered by the Investors and other holders
     of securities entitled to participate in the registration, drawn from them
     pro rata based on the number each has requested to be included in such
     registration.

         e.    ELIGIBILITY FOR FORM S-3.  The Company represents,
     warrants, and covenants that it has filed and shall file all reports
     required to be filed by the Company with the SEC in a timely manner so as
     to obtain and maintain potential eligibility for the use of Form S-3.  In
     the event that Form S-3 is not available for sale by the Investors of the
     Registrable Securities, then (i) the Company, with the consent of each
     Investor pursuant to Section 2(a), shall register the sale of the
     Registrable Securities on another appropriate form and 



<PAGE>

     (ii) the Company shall undertake to register the Registrable Securities 
     on Form S-3 as soon as such form is available.

     3.     RELATED OBLIGATIONS.

     Whenever an Investor has requested that any Registrable Securities be
registered pursuant to Section 2(c) or at such time as the Company is obligated
to file a Registration Statement with the SEC pursuant to Section 2(a), the
Company will use its best reasonable efforts to effect the registration of the
Registrable Securities in accordance with the intended method of disposition
thereof and, pursuant thereto, the Company shall have the following
obligations:

         a.    The Company shall promptly prepare and file with the SEC a
     Registration Statement with respect to the Registrable Securities (on or
     prior to thirtieth (30th) day following the date of issuance of any
     Debentures, for the registration of Registrable Securities pursuant to
     Section 2(a)) and use its best reasonable efforts to cause such
     Registration Statement(s) relating to Registrable Securities to become
     effective as soon as possible after such filing (by the ninetieth (90th)
     day following the issuance of the relevant Debentures for the registration
     of Registrable Securities pursuant to Section 2(a), and keep the
     Registration Statement(s) effective pursuant to Rule 415 at all times
     until the earlier of (i) the date as of which the Investors may sell all
     of the Registrable Securities without restriction pursuant to Rule 144(k)
     promulgated under the 1933 Act (or successor thereto) or (ii) the date on
     which (A) the Investors shall have sold all the Registrable Securities and
     (B) none of the Debentures is outstanding (the "REGISTRATION PERIOD"),
     which Registration Statement(s) (including any amendments or supplements
     thereto and prospectuses contained therein) shall not contain any untrue
     statement of a material fact or omit to state a material fact required to
     be stated therein, or necessary to make the statements therein, in light
     of the circumstances in which they were made, not misleading.

         b.    The Company shall prepare and file with the SEC such
     amendments (including post-effective amendments) and supplements to the
     Registration Statement(s) and the prospectus(es) used in connection with
     the Registration Statement(s), which prospectus(es) are to be filed
     pursuant to Rule 424 promulgated under the 1933 Act, as may be necessary
     to keep the Registration Statement(s) effective at all times during the
     Registration Period, and, during such period, comply with the provisions
     of the 1933 Act with respect to the disposition of all Registrable
     Securities of the Company covered by the Registration Statement(s) until
     such time as all of such Registrable Securities shall have been disposed
     of in accordance with the intended methods of disposition by the seller or
     sellers thereof as set forth in the Registration Statement(s).  In the
     event the number of shares available under a Registration Statement filed
     pursuant to this Agreement is insufficient to cover all of the Registrable
     Securities, the Company shall amend the Registration Statement, or file a
     new Registration Statement (on the short form available therefor, if
     applicable), or both, so as to cover all of the Registrable Securities, in
     each case, as soon as practicable, but in any event within fifteen (15)
     days after the necessity therefor arises (based on the market price of the
     Common Stock and other relevant factors on which the Company reasonably
     elects to rely).  The Company shall use its best reasonable efforts to
     cause such amendment and/or new Registration Statement to become effective
     as soon as practicable following the filing thereof.  For purposes of the
     foregoing 


<PAGE>

     provision, the number of shares available under a Registration
     Statement shall be deemed "insufficient to cover all of the Registrable
     Securities" if at any time the number of Registrable Securities issued or
     issuable upon conversion of the Debentures is greater than the quotient
     determined by dividing (i) the number of shares of Common Stock available
     for resale under such Registration Statement by (ii) 1.5; provided that in
     the case of the initial registration of the Registrable Securities
     pursuant to Section 2(a), the Company shall be required to register at
     least 5,000,000 shares of Common Stock for resale.  For purposes of the
     calculation set forth in the foregoing sentence, any restrictions on the
     convertibility of the Debentures shall be disregarded and such calculation
     shall assume that the Debentures are then convertible into shares of
     Common Stock at the then prevailing Conversion Rate (as defined in the
     Debentures).

         c.    The Company shall furnish to each Investor whose Registrable 
     Securities are included in the Registration Statement(s) and its legal 
     counsel without charge (i) promptly after the same is prepared and filed 
     with the SEC at least one copy of the Registration Statement and any 
     amendment thereto, including financial statements and schedules, all 
     documents incorporated therein by reference and all exhibits, the 
     prospectus(es) included in such Registration Statement(s) (including 
     each preliminary prospectus ) and, with regards to the Registration 
     Statement, any correspondence by or on behalf of the Company to the SEC 
     or the staff of the SEC and any correspondence from the SEC or the staff 
     of the SEC to the Company or its representatives, (ii) upon the 
     effectiveness of any Registration Statement, ten (10) copies of the 
     prospectus included in such Registration Statement and all amendments 
     and supplements thereto (or such other number of copies as such Investor 
     may reasonably request) and (iii) such other documents, including any 
     preliminary prospectus, as such Investor may reasonably request in order 
     to facilitate the disposition of the Registrable Securities owned by 
     such Investor.

         d.    The Company shall use reasonable efforts to (i) register
     and qualify the Registrable Securities covered by the Registration
     Statement(s) under such other securities or "blue sky" laws of such
     jurisdictions in the United States as any Investor reasonably requests,
     (ii) prepare and file in those jurisdictions, such amendments (including
     post-effective amendments) and supplements to such registrations and
     qualifications as may be necessary to maintain the effectiveness thereof
     during the Registration Period, (iii) take such other actions as may be
     necessary to maintain such registrations and qualifications in effect at
     all times during the Registration Period, and (iv) take all other actions
     reasonably necessary or advisable to quality the Registrable Securities
     for sale in such jurisdictions; provided, however, that the Company shall
     not be required in connection therewith or as a condition thereto to (a)
     qualify to do business in any jurisdiction where it would not otherwise be
     required to qualify but for this Section 3(d), (b) subject itself to
     general taxation in any such jurisdiction, or (c) file a general consent
     to service of process in any such jurisdiction.  The Company shall
     promptly notify each Investor who holds Registrable Securities of the
     receipt by the Company of any notification with respect to the suspension
     of the registration or qualification of any of the Registrable Securities
     for sale under the securities or "blue sky" laws of any jurisdiction in
     the United States or its receipt of actual notice of the initiation or
     threatening of any proceeding for such purpose.


<PAGE>

         e.    In the event Investors who hold a majority of the Registrable 
     Securities being offered in the offering select underwriters for the 
     offering, the Company shall enter into and perform its obligations under 
     an underwriting agreement, in usual and customary form, including, 
     without limitation, customary indemnification and contribution 
     obligations, with the underwriters of such offering.

         f.    As promptly as practicable after becoming aware of such
     event, the Company shall notify each Investor in writing of the happening
     of any event, of which the Company has knowledge, as a result of which the
     prospectus included in a Registration Statement, as then in effect,
     includes an untrue statement of a material fact or omission to state a
     material fact required to be stated therein or necessary to make the
     statements therein, in light of the circumstances under which they were
     made, not misleading, and promptly prepare a supplement or amendment to
     the Registration Statement to correct such untrue statement or omission,
     and deliver ten (10) copies of such supplement or amendment to each
     Investor (or such other number of copies as such Investor may reasonably
     request).  The Company shall also promptly notify each Investor in writing
     (i) when a prospectus or any prospectus supplement or post-effective
     amendment has been filed, and when a Registration Statement or any post-
     effective amendment has become effective (notification of such
     effectiveness shall be delivered to each Investor by facsimile on the same
     day of such effectiveness and by overnight mail) (ii) of any request by
     the SEC for amendments or supplements to a Registration Statement or
     related prospectus or related information, (iii) of the Company's
     reasonable determination that a post-effective amendment to a Registration
     Statement would be appropriate.

         g.    The Company shall use its best reasonable efforts to
     prevent the issuance of any stop order or other suspension of
     effectiveness of a Registration Statement, or the suspension of the
     qualification of any of the Registrable Securities for sale in any
     jurisdiction and, if such an order or suspension is issued, to obtain the
     withdrawal of such order or suspension at the earliest possible moment and
     to notify each Investor who holds Registrable Securities being sold (and,
     in the event of an underwritten offering, the managing underwriters) of
     the issuance of such order and the resolution thereof or its receipt of
     actual notice of the initiation or threat of any proceeding for such
     purpose.

         h.    The Company shall permit each Investor a single firm of
     counsel or such other counsel as thereafter designated as selling
     stockholders' counsel by the Investors who hold a majority of the
     Registrable Securities being sold, to review and comment upon the
     Registration Statement(s) and all amendments and supplements thereto at
     least seven (7) days prior to their filing with the SEC, and not file any
     document in a form to which such counsel reasonably objects.  The Company
     shall not submit a request for acceleration of the effectiveness of a
     Registration Statement(s) or any amendment or supplement thereto without
     the prior approval of such counsel, which consent shall not be
     unreasonably withheld.

         i.    At the request of the Investors who hold a majority of the
     Registrable Securities being sold, the Company shall use their best
     reasonable efforts to furnish, on the date that Registrable Securities are
     delivered to an underwriter, if any, for sale in connection with the
     Registration Statement (i) if required by an underwriter, a letter, dated
     such date, from the Company's independent certified public accountants in
     form and 


<PAGE>

     substance as is customarily given by independent certified public
     accountants to underwriters in an underwritten public offering, addressed
     to the underwriters, and (ii) an opinion, dated as of such date, of
     counsel representing the Company for purposes of such Registration
     Statement, in form, scope and substance as is customarily given in an
     underwritten public offering, addressed to the underwriters and the
     Investors.

          j.   The Company shall make available for inspection by (i) any
     Investor, (ii) any underwriter participating in any disposition pursuant
     to a Registration Statement, (iii) one firm of attorneys and one firm of
     accountants or other agents retained by the Investors, and (iv) one firm
     of attorneys retained by all such underwriters (collectively, the
     "INSPECTORS") all pertinent financial and other records, and pertinent
     corporate documents and properties of the Company (collectively, the
     "RECORDS"), as shall be reasonably deemed necessary by each Inspector to
     enable each Inspector to exercise its due diligence responsibility, and
     cause the Company's officers, directors and employees to supply all
     information which any Inspector may reasonably request for purposes of
     such due diligence provided, however, that each Inspector shall hold in
     strict confidence and shall not make any disclosure (except to an
     Investor) or use of any Record or other information which the Company
     determines in good faith to be confidential, and of which determination
     the Inspectors are so notified, unless (a) the disclosure of such Records
     is mutually determined to be necessary to avoid or correct a misstatement
     or omission in any Registration Statement or is otherwise required under
     the 1933 Act, (b) the release of such Records is ordered pursuant to a
     final, non-appealable subpoena or order from a court or government body of
     competent jurisdiction, or (c) the information in such Records has been
     made generally available to the public other than by disclosure in
     violation of this or any other agreement.  Each Investor agrees that it
     shall, upon learning that disclosure of such Records is sought in or by a
     court or governmental body of competent jurisdiction or through other
     means, give prompt notice to the Company and allow the Company, at its
     expense, to undertake appropriate action to prevent disclosure of, or to
     obtain a protective order for, the Records deemed confidential.

         k.    The Company shall hold in confidence and not make any
     disclosure of information concerning an Investor provided to the Company
     unless (i) disclosure of such information is necessary to comply with
     federal or state securities laws, (ii) the disclosure of such information
     is necessary to avoid or correct a misstatement or omission in any
     Registration Statement, (iii) the release of such information is ordered
     pursuant to a subpoena or other final, non-appealable order from a court
     or governmental body of competent jurisdiction, or (iv) such information
     has been made generally available to the public other than by disclosure
     in violation of this or any other agreement.  The Company agrees that it
     shall, upon learning that disclosure of such information concerning an
     Investor is sought in or by a court or governmental body of competent
     jurisdiction or through other means, give prompt written notice to such
     Investor and allow such Investor, at the Investor's expense, to undertake
     appropriate action to prevent disclosure of, or to obtain a protective
     order for, such information.

         l.    The Company shall use its best reasonable efforts either to
     (i) cause all the Registrable Securities covered by a Registration
     Statement to be listed on each national securities exchange on which
     securities of the same class or series issued by the Company 


<PAGE>

     are then listed, if any, if the listing of such Registrable Securities 
     is then permitted under the rules of such exchange, (ii) if at any time 
     during the Registration Period the Company is able to satisfy the 
     relevant listing criteria, secure designation and quotation of all the 
     Registrable Securities covered by the Registration Statement on the 
     Nasdaq National Market System, (iii) if, despite the Company's best 
     reasonable efforts to satisfy the preceding clause (i) or (ii), the 
     Company is unsuccessful in satisfying the preceding clause (i) or (ii), 
     if at any time during the Registration Period the Company is able to 
     satisfy the relevant listing criteria, to secure the inclusion for 
     quotation on the Nasdaq SmallCap Market for such Registrable Securities 
     or, (iv) if, despite the Company's best reasonable efforts to satisfy 
     the preceding clause (iii), the Company is unsuccessful in satisfying 
     the preceding clause (iii), to secure the inclusion for quotation on the 
     over-the-counter market for such Registrable Securities, and, without 
     limiting the generality of the foregoing, in the case of clause (iii) or 
     (iv), to arrange for at least two market makers to register with the 
     National Association of Securities Dealers, Inc. ("NASD") as such with 
     respect to such Registrable Securities.  The Company shall pay all fees 
     and expenses in connection with satisfying its obligation under this 
     Section 3(l).

         m.    The Company shall cooperate with the Investors who hold
     Registrable Securities being offered and, to the extent applicable, any
     managing underwriter or underwriters, to facilitate the timely preparation
     and delivery of certificates (not bearing any restrictive legend)
     representing the Registrable Securities to be offered pursuant to a
     Registration Statement and enable such certificates to be in such
     denominations or amounts, as the case may be, as the managing underwriter
     or underwriters, if any, or, if there is no managing underwriter or
     underwriters, the Investors may reasonably request and registered in such
     names as the managing underwriter or underwriters, if any, or the
     Investors may request.  Not later than the date on which any Registration
     Statement registering the resale of Registrable Securities is declared
     effective, the Company shall deliver to its transfer agent instructions,
     accompanied by any reasonably required opinion of counsel, that permit
     sales of unlegended securities in a timely fashion that complies with then
     mandated securities settlement procedures for regular way market
     transactions.

         n.    The Company shall take all other reasonable actions
     necessary to expedite and  facilitate disposition by the Investors of
     Registrable Securities pursuant to a Registration Statement.

         o.    The Company shall provide a transfer agent and registrar of
     all such Registrable Securities not later than the effective date of such
     Registration Statement.

         p.    If requested by the managing underwriters or an Investor,
     the Company shall immediately incorporate in a prospectus supplement or
     post-effective amendment such information as the managing underwriters and
     the Investors agree should be included therein relating to the sale and
     distribution of Registrable Securities, including, without limitation,
     information with respect to the number of Registrable Securities being
     sold to such underwriters, the purchase price being paid therefor by such
     underwriters and with respect to any other terms of the underwritten (or
     best reasonable efforts underwritten) offering of the Registrable
     Securities to be sold in such offering; make all required filings of such
     prospectus supplement or post-effective amendment as soon as notified of
     the 


<PAGE>

     matters to be incorporated in such prospectus supplement or 
     post-effective amendment; and supplement or make amendments to any 
     Registration Statement if requested by a shareholder or any underwriter 
     of such Registrable Securities.

         q.    The Company shall use its best reasonable efforts to cause
     the Registrable Securities covered by the applicable Registration
     Statement to be registered with or approved by such other governmental
     agencies or authorities as may be necessary to consummate the disposition
     of such Registrable Securities.

         r.    The Company shall otherwise use its best reasonable efforts
     to comply with all applicable rules and regulations of the SEC in
     connection with any registration hereunder.

     4.   OBLIGATIONS OF THE INVESTORS.

         a.    At least seven (7) days prior to the first anticipated
     filing date of the Registration Statement, the Company shall notify each
     Investor in writing of the information the Company requires from each such
     Investor if such Investor elects to have any of such Investor's
     Registrable Securities included in the Registration Statement.  It shall
     be a condition precedent to the obligations of the Company to complete the
     registration pursuant to this Agreement with respect to the Registrable
     Securities of a particular Investor that such Investor shall furnish to
     the Company such information regarding itself, the Registrable Securities
     held by it and the intended method of disposition of the Registrable
     Securities held by it as shall be reasonably required to effect the
     registration of such Registrable Securities and shall execute such
     documents in connection with such registration as the Company may
     reasonably request.

         b.    Each Investor by such Investor's acceptance of the
     Registrable Securities agrees to cooperate with the Company as reasonably
     requested by the Company in connection with the preparation and filing of
     the Registration Statement(s) hereunder, unless such Investor has notified
     the Company in writing of such Investor's election to exclude all of such
     Investor's Registrable Securities from the Registration Statement.

         c.    In the event Investors holding a majority of the
     Registrable Securities being registered determine to engage the services
     of an underwriter, each Investor agrees to enter into and perform such
     Investor's obligations under an underwriting agreement, in usual and
     customary form, including, without limitation, customary indemnification
     and contribution obligations, with the managing underwriter of such
     offering and take such other actions as are reasonably required in order
     to expedite or facilitate the disposition of the Registrable Securities,
     unless such Investor notifies the Company in writing of such Investor's
     election to exclude all of such Investor's Registrable Securities from the
     Registration Statement(s).

         d.    Each Investor agrees that, upon receipt of any notice from
     the Company of the happening of any event of the kind described in Section
     3(g) or the first sentence of 3(f), such Investor will immediately
     discontinue disposition of Registrable Securities pursuant to the
     Registration Statement(s) covering such Registrable Securities until such
     Investor's receipt of the copies of the supplemented or amended prospectus
     contemplated by Section 


<PAGE>

     3(g) or the first sentence of 3(f) and, if so directed by the Company, 
     such Investor shall deliver to the Company (at the expense of the 
     Company) or destroy all copies in such Investor's possession, of the 
     prospectus covering such Registrable Securities current at the time of 
     receipt of such notice.

         e.    No Investor may participate in any underwritten
     registration hereunder unless such Investor (i) agrees to sell such
     Investor's Registrable Securities on the basis provided in any
     underwriting arrangements approved by the Investors entitled hereunder to
     approve such arrangements, (ii) completes and executes all questionnaires,
     powers of attorney, indemnities, underwriting agreements and other
     documents reasonably required under the terms of such underwriting
     arrangements, and (iii) agrees to pay its pro rata share of all
     underwriting discounts and commissions.

     5.   EXPENSES OF REGISTRATION.

     All reasonable expenses, other than underwriting discounts and
commissions, incurred in connection with registrations, filings or
qualifications pursuant to Sections 2 and 3, including, without limitation, all
registration, listing and qualifications fees, printers and accounting fees,
and fees and disbursements of counsel for the Company and fees and
disbursements of one counsel for the Investors, shall be borne by the Company.

     6.   INDEMNIFICATION

     In the event any Registrable Securities are included in a Registration
Statement under this Agreement:

         a.    To the fullest extent permitted by law, the Company will,
     and hereby does, indemnify, hold harmless and defend each Investor who
     holds such Registrable Securities, the directors, officers, partners,
     employees, agents and each Person, if any, who controls any Investor
     within the meaning of the 1933 Act or the Securities Exchange Act of 1934,
     as amended (the "1934 ACT"), and any underwriter (as defined in the 1933
     Act) for the Investors, and the directors and officers of, and each
     Person, if any, who controls, any such underwriter within the meaning of
     the 1933 Act or the 1934 Act (each, an "INDEMNIFIED PERSON"), against any
     losses, claims, damages, liabilities, judgments, fines, penalties,
     charges, costs, attorneys' fees, amounts paid in settlement or expenses,
     joint or several, (collectively, "CLAIMS") incurred in investigating,
     preparing or defending any action, claim, suit, inquiry, proceeding,
     investigation or appeal taken from the foregoing by or before any court or
     governmental, administrative or other regulatory agency, body or the SEC,
     whether pending or threatened, whether or not an indemnified party is or
     may be a party thereto ("INDEMNIFIED DAMAGES"), to which any of them may
     become subject insofar as such Claims (or actions or proceedings, whether
     commenced or threatened, in respect thereof) arise out of or are based
     upon: (i) any untrue statement or alleged untrue statement of a material
     fact in a Registration Statement or any post-effective amendment thereto
     or in any filing made in connection with the qualification of the offering
     under the securities or other "blue sky" laws of any jurisdiction in which
     Registrable Securities are offered ("BLUE SKY FILING"), or the omission or
     alleged omission to state a material fact required to be stated therein or
     necessary to make the statements therein, in light of the 


<PAGE>

     circumstances under which the statements therein were made, not 
     misleading, (ii) any untrue statement or alleged untrue statement of a 
     material fact contained in any preliminary prospectus if used prior to 
     the effective date of such Registration Statement, or contained in the 
     final prospectus (as amended or supplemented, if the Company files any 
     amendment thereof or supplement thereto with the SEC) or the omission or 
     alleged omission to state therein any material fact necessary to make 
     the statements made therein, in light of the circumstances under which 
     the statements therein were made, not misleading, or (iii) any violation 
     or alleged violation by the Company of the 1933 Act, the 1934 Act, any 
     other law, including, without limitation, any state securities law, or 
     any rule or regulation thereunder relating to the offer or sale of the 
     Registrable Securities pursuant to a Registration Statement (the matters 
     in the foregoing clauses (i) through (iii) being, collectively, 
     "VIOLATIONS").  Subject to the restrictions set forth in Section 6(d) 
     with respect to the number of legal counsel, the Company shall reimburse 
     the Investors and each such underwriter or controlling person, promptly 
     as such expenses are incurred and are due and payable, for any legal 
     fees or other reasonable expenses incurred by them in connection with 
     investigating or defending any such Claim. Notwithstanding anything to 
     the contrary contained herein, the indemnification agreement contained 
     in this Section 6(a): (i) shall not apply to a Claim arising out of or 
     based upon a Violation which occurs in reliance upon and in conformity 
     with information furnished in writing to the Company by any Indemnified 
     Person or underwriter for such Indemnified Person expressly for use in 
     connection with the preparation of the Registration Statement or any 
     such amendment thereof or supplement thereto, if such prospectus was 
     timely made available by the Company pursuant to Section 3(c); (ii) with 
     respect to any preliminary prospectus, shall not inure to the benefit of 
     any such person from whom the person asserting any such Claim purchased 
     the Registrable Securities that are the subject thereof (or to the 
     benefit of any person controlling such person) if the untrue statement 
     or mission of material fact contained in the preliminary prospectus was 
     corrected in the prospectus, as then amended or supplemented, if such 
     prospectus was timely made available by the Company pursuant to Section 
     3(c), and the Indemnified Person was promptly advised in writing not to 
     use the incorrect prospectus prior to the use giving rise to a violation 
     and such Indemnified Person, notwithstanding such advice, used it; (iii) 
     shall not be available to the extent such Claim is based on a failure of 
     the Investor to deliver or to cause to be delivered the prospectus made 
     available by the Company (i) and (iv) shall not apply to amounts paid in 
     settlement of any Claim if such settlement is effected without the prior 
     written consent of the Company, which consent shall not be unreasonably 
     withheld.  Such indemnity shall remain in full force and effect 
     regardless of any investigation made by or on behalf of the Indemnified 
     Person and shall survive the transfer of the Registrable Securities by 
     the Investors pursuant to Section 9.

         b.    In connection with any Registration Statement in which an
     Investor is participating, each such Investor agrees to severally and not
     jointly indemnify, hold harmless and defend, to the same extent and in the
     same manner as is set forth in Section 6(a), the Company, each of its
     directors, each of its officers who signs the Registration Statement, each
     Person, if any, who controls the Company within the meaning of the 1933
     Act or the 1934 Act (collectively and together with an Indemnified Person,
     an "INDEMNIFIED PARTY"), against any Claim or Indemnified Damages to which
     any of them may become subject, under the 1933 Act, the 1934 Act or
     otherwise, insofar as such 


<PAGE>

     Claim or Indemnified Damages arise out of or are based upon any 
     Violation, in each case to the extent, and only to the extent, that such 
     Violation occurs in reliance upon and in conformity with written 
     information furnished to the Company by such Investor expressly for use 
     in connection with such Registration Statement; and, subject to Section 
     6(d), such Investor will reimburse any legal or other expenses 
     reasonably incurred by them in connection with investigating or 
     defending any such Claim; provided, however, that the indemnity 
     agreement contained in this Section 6(b) and Section 7 shall not apply 
     to amounts paid in settlement of any Claim if such settlement is 
     effected without the prior written consent of such Investor, which 
     consent shall not be unreasonably withheld; provided, further, however, 
     that the Investor shall be liable under this Section 6(b) for only that 
     amount of a Claim or Indemnified Damages as does not exceed the net 
     proceeds to such Investor as a result of the sale of Registrable 
     Securities pursuant to such Registration Statement.  Such indemnity 
     shall remain in full force and effect regardless of any investigation 
     made by or on behalf of such Indemnified Party and shall survive the 
     transfer of the Registrable Securities by the Investors pursuant to 
     Section 9. Notwithstanding anything to the contrary contained herein, 
     the indemnification agreement contained in this Section 6(b) with 
     respect to any preliminary prospectus shall not inure to the benefit of 
     any Indemnified Party if the untrue statement or omission of material 
     fact contained in the preliminary prospectus was corrected on a timely 
     basis in the prospectus, as then amended or supplemented.

         c.    The Company shall be entitled to receive indemnities from
     underwriters, selling  brokers, dealer managers and similar securities
     industry professionals participating in any distribution, to the same
     extent as provided above, with respect to information such persons so
     furnished in writing expressly for inclusion in the Registration
     Statement.

         d.    Promptly after receipt by an Indemnified Person or
     Indemnified Party under this Section 6 of notice of the commencement of
     any action or proceeding (including any governmental action or proceeding)
     involving a Claim such Indemnified Person or Indemnified Party shall, if a
     Claim in respect thereof is to be made against any indemnifying party
     under this Section 6, deliver to the indemnifying party a written notice
     of the commencement thereof, and the indemnifying party shall have the
     right to participate in, and, to the extent the indemnifying party so
     desires, jointly with any other indemnifying party similarly noticed, to
     assume control of the defense thereof with counsel mutually satisfactory
     to the indemnifying party and the Indemnified Person or the Indemnified
     Party, as the case may be; provided, however, that an Indemnified Person
     or Indemnified Party shall have the right to retain its own counsel with
     the fees and expenses to be paid by the indemnifying party, if, in the
     reasonable opinion of counsel retained by the indemnifying party, the
     representation by such counsel of the Indemnified Person or Indemnified
     Party and the indemnifying party would be inappropriate due to actual or
     potential differing interests between such Indemnified Person or
     Indemnified Party and any other party represented by such counsel in such
     proceeding.  The Company shall pay reasonable fees for only one separate
     legal counsel for the Investors, and such legal counsel shall be selected
     by the Investors holding a majority in interest of the Registrable
     Securities included in the Registration Statement to which the Claim
     relates.  The Indemnified Party or Indemnified Person shall cooperate
     fully with the indemnifying party in connection with any negotiation or
     defense of any such action or claim by the 


<PAGE>

     indemnifying party and shall furnish to the indemnifying party all 
     information reasonably available to the Indemnified Party or Indemnified 
     Person which relates to such action or claim.  The indemnifying party 
     shall keep the Indemnified Party or Indemnified Person fully apprised at 
     all times as to the status of the defense or any settlement negotiations 
     with respect thereto.  No indemnifying party shall be liable for any 
     settlement of any action, claim or proceeding effected without its 
     written consent, provided, however, that the indemnifying party shall 
     not unreasonably withhold, delay or condition its consent.  No 
     indemnifying party shall, without the consent of the Indemnified Party 
     or Indemnified Person, consent to entry of any judgment or enter into 
     any settlement or other compromise which does not include as an 
     unconditional term thereof the giving by the claimant or plaintiff to 
     such Indemnified Party or Indemnified Person of a release from all 
     liability in respect to such claim or litigation.  Following 
     indemnification as provided for hereunder, the indemnifying party shall 
     be subrogated to all rights of the Indemnified Party or Indemnified 
     Person with respect to all third parties, firms or corporations relating 
     to the matter for which indemnification has been made.  The failure to 
     deliver written notice to the indemnifying party within a reasonable 
     time of the commencement of any such action shall not relieve such 
     indemnifying party of any liability to the Indemnified Person or 
     Indemnified Party under this Section 6, except to the extent that the 
     indemnifying party is prejudiced in its ability to defend such action.

         e.    The indemnification required by this Section 6 shall be
     made by periodic payments of the amount thereof during the course of the
     investigation or defense, as and when bills are received or Indemnified
     Damages are incurred.

         f.    The indemnity agreements contained herein shall be in
     addition to (i) any cause of action or similar right of the Indemnified
     Party or Indemnified Person against the indemnifying party or others, and
     (ii) any liabilities the indemnifying party may be subject to pursuant to
     the law.

     7.   CONTRIBUTION.

     To the extent any indemnification by an indemnifying party is prohibited
or limited by law, the indemnifying party agrees to make the maximum
contribution with respect to any amounts for which it would otherwise be liable
under Section 6 to the fullest extent permitted by law; provided, however,
that: (i) no contribution shall be made under circumstances where the maker
would not have been liable for indemnification under the fault standards set
forth in Section 6; (ii) no seller of Registrable Securities guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the 1933
Act) shall be entitled to contribution from any seller of Registrable
Securities who was not guilty of fraudulent misrepresentation; and (iii)
contribution by any seller of Registrable Securities shall be limited in amount
to the net amount of proceeds received by such seller from the sale of such
Registrable Securities.

     8.   REPORTS UNDER THE 1934 ACT.

     With a view to making available to the Investors the benefits of Rule 144
promulgated under the 1933 Act or any other similar rule or regulation of the
SEC that may at any time permit 


<PAGE>

the investors to sell securities of the Company to the public without 
registration ("RULE 144"), the Company agrees to:

         a.    make and keep public information available, as those terms
     are understood and defined in Rule 144;

         b.    file with the SEC in a timely manner all reports and other
     documents required of the Company under the 1933 Act and the 1934 Act so
     long as the Company remains subject to such requirements (it being
     understood that nothing herein shall limit the Company's obligations under
     Section 4(c) of the Securities Purchase Agreement) and the filing of such
     reports and other documents is required for the applicable provisions of
     Rule 144; and

         c.    furnish to each Investor so long as such Investor owns
     Registrable Securities, promptly upon request, (i) a written statement by
     the Company that it has complied with the reporting requirements of Rule
     144, the 1933 Act and the 1934 Act, (ii) a copy of the most recent annual
     or quarterly report of the Company and such other reports and documents so
     filed by the Company, and (iii) such other information as may be
     reasonably requested to permit the investors to sell such securities
     pursuant to Rule 144 without registration.

     9.   ASSIGNMENT OF REGISTRATION RIGHTS.

     The rights to have the Company register Registrable Securities pursuant to
this Agreement shall be automatically assignable by the Investors to any
transferee of all or any portion of Registrable Securities if: (i) the Investor
agrees in writing with the transferee or assignee to assign such rights, and a
copy of such agreement is furnished to the Company within a reasonable time
after such assignment; (ii) the Company is, within a reasonable time after such
transfer or assignment, furnished with written notice of (a) the name and
address of such transferee or assignee, and (b) the securities with respect to
which such registration rights are being transferred or assigned; (iii)
immediately following such transfer or assignment the further disposition of
such securities by the transferee or assignee is restricted under the 1933 Act
and applicable state securities laws; (iv) at or before the time the Company
receives the written notice contemplated by clause (ii) of this sentence the
transferee or assignee agrees in writing with the Company to be bound by all of
the provisions contained herein; (v) such transfer shall have been made in
accordance with the applicable requirements of the Securities Purchase
Agreement; (vi) such transferee shall be an "ACCREDITED INVESTOR" as that term
is defined in Rule 501 of Regulation D promulgated under the 1933 Act; and
(vii) in the event the assignment occurs subsequent to the date of
effectiveness of the Registration Statement required to be filed pursuant to
Section 2(a), the transferee agrees to pay all reasonable expenses of amending
or supplementing such Registration Statement to reflect such assignment.

     10.  AMENDMENT OF REGISTRATION RIGHTS.

     Provisions of this Agreement may be amended and the observance thereof may
be waived (either generally or in a particular instance and either
retroactively or prospectively), only with the written consent of the Company
and Investors who hold two-thirds of the Registrable Securities.


<PAGE>

Any amendment or waiver effected in accordance with this Section 10 shall be 
binding upon each Investor and the Company.

     11.  MISCELLANEOUS.

          a.   A person or entity is deemed to be a holder of Registrable
     Securities whenever such person or entity owns of record such Registrable
     Securities.  If the Company receives conflicting instructions, notices or
     elections from two or more persons or entities with respect to the same
     Registrable Securities, the Company shall act upon the basis of
     instructions, notice or election received from the registered owner of
     such Registrable Securities.

          b.   Any notices consents, waivers or other communications
     required or permitted to be given under the terms of this Agreement must
     be in writing and will be deemed to have been delivered (i) upon receipt,
     when delivered personally; (ii) upon receipt, when sent by facsimile,
     provided a copy is mailed by U.S. certified mail, return receipt
     requested; (iii) three (3) days after being sent by U.S. certified mail,
     return receipt requested, or (d) one (1) day after deposit with a
     nationally recognized overnight delivery service, in each case properly
     addressed to the party to receive the same.  The addresses and facsimile
     numbers for such communications shall be:

     If to the Company:   Spatialight, Inc.
                          8-C Commercial Boulevard
                          Novato, California 94949-6125
                          Facsimile: (415) 883-3363

     With a copy to:      Brad Rock, Esq.
                          Gray, Cary, Ware & Freidenrich
                          400 Hamilton Street
                          Palo Alto, California 94301
                          Facsimile: (650) 327-3699

     If to a Buyer, to its address and facsimile number on the Schedule of
Buyers, with copies to such Buyer's counsel as set forth on the Schedule of
Buyers.  Each party shall provide five (5) days' prior written notice to the
other party of any change in address or facsimile number.

         c.    Failure of any party to exercise any right or remedy under
     this Agreement or otherwise, delay by a party in exercising such right or
     remedy, shall not operate as a waiver thereof.

         d.    This Agreement shall be governed by and interpreted in
     accordance with the laws of the State of New York without regard to the
     principles of conflict of laws.  If any provision of this Agreement shall
     be invalid or unenforceable in any jurisdiction, such invalidity or
     unenforceability shall not affect the validity or enforceability of the
     remainder of this Agreement in that jurisdiction or the validity or
     enforceability of any provision of this Agreement in any other
     jurisdiction.


<PAGE>

         e.    This Agreement and the Securities Purchase Agreement
     constitute the entire agreement among the parties hereto with respect to
     the subject matter hereof and thereof.  There are no restrictions,
     promises, warranties or undertakings, other than those set forth or
     referred to herein and therein.  This Agreement and the Securities
     Purchase Agreement supersede all prior agreements and understandings among
     the parties hereto with respect to the subject matter hereof and thereof.

         f.    Subject to the requirements of Section 9, this Agreement
     shall inure to the benefit and of and be binding upon the permitted
     successors and assigns of each of the parties hereto.

         g.    The headings in this Agreement are for convenience of
     reference only and shall not limit or otherwise affect the meaning hereof.

         h.    This Agreement may be executed in two or more identical
     counterparts, each of which shall be deemed an original but all of which
     shall constitute one and the same agreement.  This Agreement, once
     executed by a party, may be delivered to the other party hereto by
     facsimile transmission of a copy of this Agreement bearing the signature
     of the party so delivering this Agreement.

         i.    Each party shall do and perform, or cause to be done and
     performed, all such further acts and things, and shall execute and deliver
     all such other agreements, certificates, instruments and documents, as the
     other party may reasonably request in order to carry out the intent and
     accomplish the purposes of this Agreement and the consummation of the
     transactions contemplated hereby.

     IN WITNESS WHEREOF, the parties have caused this Registration Rights
Agreement to be duly executed as of day and year first above written.

     COMPANY:                           BUYERS:

     SPATIALIGHT, INC.                  ____________________________     
      


     By:                                By:
        --------------------------         ---------------------------------
        Name: William E. Hollis            Name: ___________________________
                                   

     Its: Chairman of the Board,        Its:
          Chief Executive Officer, 
          and Chief Financial Officer

                                       

<PAGE>
                         SECURITIES PURCHASE AGREEMENT


    SECURITIES PURCHASE AGREEMENT (the "Agreement"), dated as of December 24,
1997, by and among Spatialight, Inc., a New York corporation, with headquarters
located at 8-C Commercial Boulevard, Novato, California 94949-6125 (the
"Company"), and the investor listed on the Schedule of Buyers attached hereto
(individually, a "Buyer" or collectively "Buyers").

     WHEREAS:

    A.    The Company and the Buyers are executing and delivering this
Agreement in reliance  upon the exemption from securities registration pursuant
to Regulation S ("Regulation S") promulgated under the Securities Act of 1933,
as amended (the "1933 Act"),

    B.    The Company is offering for sale to the Buyer 3% Convertible
Debentures (the "Debentures") of the Company, due on December 24, 1999, and
offered in denominations of $100,000 and integral multiples of $50,000 in
excess thereof for at least $300,000 in aggregate amount and up to an aggregate
principal amount of $800,000.  The terms of the Debentures, including the terms
on which the Debentures may be converted into the common stock of the Company,
$.01 par value, are set forth in the Debenture, in substantially the form
attached as Exhibit "A" hereto.

    C.    The Buyer wishes to purchase, upon the terms and conditions stated 
in this Agreement, an aggregate principal amount of up to $450,000 of 
Debentures in the respective amounts set forth opposite each Buyer's name on 
the Schedule of Buyers;

    D.    Contemporaneously with the execution and delivery of this Agreement,
the parties hereto are executing and delivering a Registration Rights Agreement
substantially in the form attached hereto as Exhibit "B" (the "Registration
Rights Agreement") pursuant to which the Company has agreed to provide certain
registration rights under the 1933 Act and the rules and regulations
promulgated thereunder, and applicable state securities laws; and

    NOW THEREFORE, the Company and the Buyer hereby agree as follows:

     1.  PURCHASE AND SALE OF DEBENTURES.

         a.    PURCHASE OF  DEBENTURES.  Subject to the satisfaction (or
     waiver) of the conditions set forth in Sections 6 and 7 below, the Company
     shall issue and sell to the Buyers and the Buyers shall purchase from the
     Company an aggregate principal amount of $450,000 Debentures, in the
     respective amounts set forth opposite each Buyer's name on the Schedule of
     Buyers (the "Closing").


<PAGE>

         b.    CLOSING DATE.  The date and time of the Closing (the "Closing
     Date") shall be 10:00 a.m. Central Standard Time, within five (5) business
     days following the date hereof, subject to notification of satisfaction
     (or waiver) of the conditions to the Closing set forth in Sections 6 and 7
     below (or such later date as is mutually agreed to by the Company and the
     Buyer

         c.    FORM OF PAYMENT.  On the Closing Date, (i) each Buyer shall pay
     the Purchase Price to the Company for the Debentures to be issued and sold
     to such Buyer at the Closing, by wire transfer of immediately available
     funds in accordance with the Company's written wire instructions, and (ii)
     the Company shall deliver to each Buyer, certificates representing such
     Debentures which such Buyer is then purchasing (as indicated opposite such
     Buyer's name on the Schedule of Buyers), duly executed on behalf of the
     Company and registered in the name of such Buyer or its designee (the
     "Certificates").

     2.  BUYER'S REPRESENTATIONS AND WARRANTEES.

         Each Buyer represents and warrants with respect to only itself that:

         a.    INVESTMENT PURPOSE.  Such Buyer is acquiring the Debentures, and
     upon conversion of the Debentures will acquire the Conversion Shares then
     issuable, for its own account for investment only and not with a view
     towards, or for resale in connection with, the public sale or distribution
     thereof, except pursuant to sales registered or exempted under the 1933
     Act; provided, however, that by making the representations herein, such
     Buyer does not agree to hold any Debentures or Conversion Shares for any
     minimum or other specific term other than required by Regulation S and
     reserves the right to dispose of Debentures or Conversion Shares at any
     time in accordance with or pursuant to a registration statement or an
     exemption under the 1933 Act.

         b.    ACCREDITED INVESTOR STATUS.  Such Buyer is an "accredited
     investor" as that term is defined in Rule 501(a)(3) of Regulation D.  The
     Buyer represents and warrants to the Company that (i) the Buyer is not a
     "U.S. person" as that term is defined in Rule 902(o) of Regulation S and
     the Buyer was not formed by a "U.S. person" for the purpose of investing
     in securities not registered under the Act, unless the Buyer is or was
     organized or incorporated by "U.S. persons" who are accredited investors
     (as defined in Rule 501(a) under the 1933 Act)  and who are not natural
     persons, estates or trusts, and all owners of interests in such entity who
     are not "U.S. persons" are Institutional Investors, and not natural
     persons, estates or trusts; (ii) the Debentures were not offered to the
     Buyer in the United States and at the time of execution of this Debenture
     Agreement and of any offer to the Buyer to purchase the Debentures
     hereunder, the Buyer was physically outside the United States; (iii) the
     Buyer is purchasing the Debentures for its own account and not on behalf
     of or for the benefit of any U.S. person and the sale and resale of the
     Debentures have not been prearranged with any buyer in the United States;
     (iv)Buyer knows of not public solicitation or advertisement of an offer in
     the U.S. in connection with the transactional contemplated herein; and the
     Buyer, and to the best 


<PAGE>

     knowledge of the Buyer each distributor, if any, participating in the 
     offering of the Securities, has agreed and the Buyer hereby agrees that 
     all offers and sales of the Securities prior to the expiration of a 
     period commencing on the Closing of all Debentures offered and ending 
     forty days thereafter (the "Regulation S Restricted Period") shall not 
     be made to U.S. persons or for the account or benefit of U.S. persons 
     and shall otherwise be made in compliance with the provisions of 
     Regulation S whether currently in effect or hereafter amended.  The 
     Buyer has not been engaged as a distributor or dealer with respect to 
     this transaction.

        c.    RELIANCE ON EXEMPTIONS.  Such Buyer understands that the
     Debentures and the Conversion Shares are being offered and sold to it in
     reliance on specific exemptions from the registration requirements of
     United States federal and state securities laws and that the Company is
     relying in part upon the truth and accuracy of, and such Buyer's
     compliance with, the representations, warranties, agreements,
     acknowledgments and understandings of such Buyer set forth herein in order
     to determine the availability of such exemptions and the eligibility of
     such Buyer to acquire such securities.

        d.    INFORMATION.  Such Buyer and its advisors, if any, have been
     furnished with all materials relating to the business, finances and
     operations of the Company and materials relating to the offer and sale of
     the Debentures and the Conversion Shares, which have been requested by
     such Buyer.  Such Buyer and its advisors, if any, have been afforded the
     opportunity to ask questions of the Company.  Neither such inquiries nor
     any other due diligence investigations conducted by such Buyer or its
     advisors, if any, or its representatives shall modify, amend or affect
     such Buyer's right to rely on the Company's representations and warranties
     contained in Section 3 below.  Such Buyer understands that its investment
     in the Debentures and the Conversion Shares involves a high degree of
     risk.  Such Buyer has sought such accounting, legal and tax advice as it
     has considered necessary to make an informed investment decision with
     respect to its acquisition of the Debentures and the Conversion Shares.
     Buyer understands that the SEC has proposed to revise Regulation S and
     that such revisions and recent pronouncements will have a material impact
     on the Buyers utilization of Reg S, if applicable, among other things.

        e.    NO GOVERNMENTAL REVIEW.  Such Buyer understands that no United
     States federal or state agency or any other government or governmental
     agency has passed on or made any recommendation or endorsement of the
     Debentures and the Conversion Shares, or the fairness or suitability of
     the investment in the Debentures and the Conversion Shares, nor have such
     authorities passed upon or endorsed the merits of the offering of the
     Debentures and the Conversion Shares.

        f.    TRANSFER OR RESALE.  Such Buyer understands that except as
     provided in the Registration Rights Agreement: (i) the Debentures and the
     Conversion Shares have not been and are not being registered under the
     1933 Act or any state securities laws, and may not be offered for sale,
     sold, assigned or transferred unless (a)  subsequently registered
     thereunder, (b) such Buyer shall have delivered to the Company an opinion
     of counsel, in a generally acceptable form, to the effect that such
     securities to be sold, assigned or transferred may be sold, assigned or
     transferred pursuant to an exemption from such 


<PAGE>

     registration, or (c) such Buyer provides the Company with reasonable 
     assurance that such securities can be sold, assigned or transferred 
     pursuant to Rule 144 (or Regulation S promulgated under the 1933 Act (or 
     a successor rule thereto); (ii) any sale of such securities made in 
     reliance on Rule 144 promulgated under the 1933 Act (or a successor rule 
     thereto) ("Rule 144") may be made only in accordance with the terms of 
     Rule 144 and further, if Rule 144 is not applicable, any resale of such 
     securities under circumstances in which the seller (or the person 
     through whom the sale is made) may be deemed to be an underwriter (as 
     that term is defined in the 1933 Act) may require compliance with some 
     other exemption under the 1933 Act or the rules and regulations of the 
     SEC thereunder; and (iii) neither the Company nor any other person is 
     under any obligation to register such securities under the 1933 Act or 
     any state securities laws or to comply with the terms and conditions of 
     any exemption thereunder.

        g.    LEGENDS.  The certificate(s) representing the Debentures shall
     bear the legend set forth below.  Assuming at the time of conversion
     Subscriber is not a "U.S. Person" and has not been a "U.S. Person" since
     the date of subscription, the Company shall cause its legal counsel to
     issue such opinion as shall be required by the Company's transfer agent in
     order for the transfer agent to deliver to Subscriber, upon conversion, a
     certificate representing the Shares into which the Debenture is converted
     after the restricted period as defined below without restrictive legend of
     any kind.

"The Convertible Debentures of Spatialight, Inc. (the "Issuer") represented 
by this certificate have been issued pursuant to Regulation S, promulgated 
under the Securities Act of 1933, as amended (the "Act"), and have not been 
registered under the Act or any applicable state securities laws.  These 
debentures may not be offered or sold within the United States or to or for 
the account of a "U.S. Person" (as that term is defined in Regulation S) 
during the period commencing on the sale of these securities and ending on 
the forty-fifth (45th) day following completion of the Regulation S offering 
of the Issuer pursuant to which these debentures have been issued, which day 
is December 24, 1997 (the "Restricted Period").  The principal amount of 
debentures represented by this certificate may first be converted into common 
stock of the issuer on the forty-fifth (45th) day following completion of the 
Regulation S offering of the Issuer pursuant to which these debentures have 
been issued, which day is February 7, 1997 (the "Conversion Holding Period"). 
 The Issuer will notify the transfer agent of the date of completion of such 
offering and of the expiration of such Restricted Period and Conversion 
Holding Period.  Following expiration of the Restricted Period, these 
debentures may not be offered or sold unless such offer or sale is registered 
or exempt from registration under the Act."

        h.    SUBSCRIBER'S RIGHTS IN THE EVENT SHARES ISSUED WITH A
     RESTRICTIVE LEGEND.  In the event that the Company issues Conversion
     Shares with a restrictive legend upon Conversion by the Subscriber and
     Subscriber is not a "U.S. Person" and has not been a "U.S. Person" since
     the date of subscription, then Subscriber, at its option, may require the
     Company immediately to (i) redeem the Debentures submitted for conversion
     at the Conversion Price (as defined in the Debenture) determined under
     Section 4(a) of the Debenture, provided, however, that nothing hereunder
     shall affect any other Subscriber's rights under the terms of the
     Registration Rights Agreement.


<PAGE>

        i.    TRANSFERS.  The Company agrees, and shall instruct its agents,
     that the Securities may be transferred to any person or entity who is not
     an affiliate of the Company if such transfer occurs after the Restricted
     Period, without (a) any further restriction on transfer (provided the
     transfer is made in compliance with the Act) or (b) the entry of a "stop
     transfer" order against such Securities, and the Securities delivered to
     the transferee shall not bear a legend.  The Company may place a stop
     transfer order on any Common Stock issued upon conversion of Debentures
     during the Restricted Period for the duration of the Restricted Period.
     Upon election by the Subscriber to convert the Debentures into Shares, the
     Subscriber shall deliver to the Company a duly completed Notice of
     Conversion (a "Notice of Conversion") in the form attached to the
     Debenture.

        j.    AUTHORIZATION, ENFORCEMENT.  This Agreement has been duly and
     validly authorized, executed and delivered on behalf of such Buyer and is
     a valid and binding agreement of such Buyer enforceable in accordance with
     its terms, subject as enforceability to general principles of equity and
     to applicable bankruptcy, insolvency, reorganization, moratorium,
     liquidation and other similar laws relating to, or affecting generally,
     the enforcement of applicable creditors' rights and remedies.

        k.    RESIDENCY.  Such Buyer is a resident of that state and country
     specified in its address on the Schedule of Buyers.

        l.    NO SCHEME TO EVADE REGISTRATION.  Buyer represents and warrants
     to the Company that the acquisition of the Debentures and the Conversion
     Shares is not a transaction (or any element of a series of transactions) 
     that is part of a plan or scheme by the Buyer to evade the registration 
     provisions of the 1933 Act.

     3.  REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

         The Company represents and warrants to each of the Buyers that:

         a.   ORGANIZATION AND QUALIFICATION.  The Company and its
     subsidiaries are corporations duly organized and validly existing in good
     standing under the laws of the jurisdiction in which they are
     incorporated, and have the requisite corporate power to own their
     properties and to carry on their business as now being conducted.  Each of
     the Company and its subsidiaries is duly qualified as a foreign
     corporation to do business and is in good standing in every jurisdiction
     in which the nature of the business conducted by it makes such
     qualification necessary, except to the extent that the failure to be so
     qualified or be in good standing would not have a material adverse effect
     on the Company and its subsidiaries taken as a whole.

         b.    AUTHORIZATION, ENFORCEMENT, COMPLIANCE WITH OTHER INSTRUMENTS.
     (i) The Company has the requisite corporate power and authority to enter
     into and perform this Agreement, the Registration Rights Agreement and any
     related agreements, and to issue the Debentures and the Conversion Shares
     in accordance with the terms hereof and 


<PAGE>

     thereof, (ii) the execution and delivery of this Agreement, the 
     Registration Rights Agreement and any related agreements by the Company 
     and the consummation by it of the transactions contemplated hereby and 
     thereby, including without limitation the issuance of the Debentures and 
     the reservation for issuance and the issuance of the Conversion Shares 
     issuable upon conversion or exercise thereof, have been duly authorized 
     by the Company's Board of Directors and no further consent or 
     authorization is required by the Company, its Board of Directors or its 
     stockholders, (iii) this Agreement and the Registration Rights Agreement 
     and any related agreements have been duly executed and delivered by the 
     Company, and (iv) this Agreement, the Registration Rights Agreement and 
     any related agreements constitute the valid and binding obligations of 
     the Company enforceable against the Company in accordance with their 
     terms, except as such enforceability may be limited by general 
     principles of equity or applicable bankruptcy, insolvency, 
     reorganization, moratorium, liquidation or similar laws relating to, or 
     affecting generally, the enforcement of creditors' rights and remedies.

         c.   CAPITALIZATION.  As of the date hereof, the authorized capital
     stock of the Company consists of 20,000,000 shares of Common Stock, of
     which as of the date hereof  9,201,111 shares were issued and outstanding,
     and no shares of Preferred Stock were issued and outstanding.  All of such
     outstanding shares have been validly issued and are fully paid and
     nonassessable.  Except as disclosed in Schedule 3(c), no shares of Common
     Stock or preferred stock are subject to preemptive rights or any other
     similar rights or any liens or encumbrances suffered or permitted by the
     Company.  Except as disclosed in Schedule 3(c), as of the effective date
     of this Agreement, (i) there are no outstanding options, warrants, scrip,
     rights to subscribe to, calls or commitments of any character whatsoever
     relating to, or securities or rights convertible into, any shares of
     capital stock of the Company or any of its subsidiaries, or contracts,
     commitments, understandings or arrangements by which the Company or any of
     its subsidiaries is or may become bound to issue additional shares of
     capital stock of the Company or any of its subsidiaries or options,
     warrants, scrip, rights to subscribe to, calls or commitments of any
     character whatsoever relating to, or securities or rights convertible
     into, any shares of capital stock of the Company or any of its
     subsidiaries, (ii) there are no outstanding debt securities and (iii)
     there are no agreements or arrangements under which the Company or any of
     its subsidiaries is obligated to register the sale of any of their
     securities under the 1933 Act (except the Registration Rights Agreement).
     There are no securities or instruments containing anti-dilution or similar
     provisions that will be triggered by the issuance of the Debentures or the
     Conversion Shares as described in this Agreement.  The Company has
     furnished to the Buyer true and correct copies of the Company's Articles
     of Incorporation, as amended and as in effect on the date hereof (the
     "Articles of Incorporation"), and the Company's By-laws, as in effect on
     the date hereof (the "By-laws"), and the terms of all securities
     convertible into or exercisable for Common Stock and the material rights
     of the holders thereof in respect thereto.

         d.   ISSUANCE OF SECURITIES.  The Debentures are duly authorized and,
     upon issuance in accordance with the terms hereof, shall be (i) validly
     issued, fully paid and nonassessable, are free from all taxes, liens and
     charges with respect to the issue thereof and 


<PAGE>

     are entitled to the rights and preferences set forth in the Debentures.  
     The Conversion Shares issuable upon conversion of the Debentures have 
     been duly authorized and reserved for issuance.  Upon conversion or 
     exercise in accordance with the Debentures, the Conversion Shares will 
     be validly issued, fully paid and nonassessable and free from all taxes, 
     liens and charges with respect to the issue thereof, with the holders 
     being entitled to all rights accorded to a holder of Common Stock.

         e.   NO CONFLICTS.  Except as disclosed in Schedule 3(e), the
     execution, delivery and performance of this Agreement by the Company and
     the consummation by the Company of the transactions contemplated hereby
     will not (i) result in a violation of the Articles of Incorporation or By-
     laws or (ii) conflict with or constitute a default (or an event which with
     notice or lapse of time or both would become a default) under, or give to
     others any rights of termination, amendment, acceleration or cancellation
     of, any material agreement, indenture or instrument to which the Company
     or any of its subsidiaries is a party, or result in a violation of any
     law, rule, regulation, order, judgment or decree (including federal and
     state securities laws and regulations and the rules and regulations of the
     principal market or exchange on which the Common Stock is traded or
     listed) applicable to the Company or any of its subsidiaries or by which
     any property or asset of the Company or any of its subsidiaries is bound
     or affected.  Except as disclosed in Schedule 3(e), neither the Company
     nor its subsidiaries is in violation of any term of or in default under
     its Articles of Incorporation or Bylaws or their organizational charter or
     by-laws, respectively, or any material contract, agreement, mortgage,
     indebtedness, indenture, instrument, judgment, decree or order or any
     statute, rule or regulation applicable to the Company or its subsidiaries.
     The business of the Company and its subsidiaries is not being conducted,
     and shall not be conducted in violation of any law, ordinance, regulation
     of any governmental entity.  Except as specifically contemplated by this
     Agreement and as required under the 1933 Act and any applicable state
     securities laws, the Company is not required to obtain any consent,
     authorization or order of, or make any filing or registration with, any
     court or governmental agency in order for it to execute, deliver or
     perform any of its obligations under or contemplated by this Agreement or
     the Registration Rights Agreement in accordance with the terms hereof or
     thereof Except as disclosed in Schedule 3(e), all consents,
     authorizations, orders, filings and registrations which the Company is
     required to obtain pursuant to the preceding sentence have been obtained
     or effected on or prior to the date hereof.  The Company and its
     subsidiaries are unaware that any facts or circumstances have occurred or
     exist which might reasonably be expected to give rise to any of the
     foregoing.

         f.   SEC DOCUMENTS: FINANCIAL STATEMENTS.  Since January 1, 1996, the
     Company had filed all reports, schedules, forms, statements and other
     documents required to be filed by it with the SEC pursuant to the
     reporting requirements of the Securities Exchange Act of 1934, as amended
     (the "1934 Act") (all of the foregoing filed prior to the date hereof and
     all exhibits included therein and financial statements and schedules
     thereto and documents incorporated by reference therein and the Company's
     Registration Statements on Form S-3 filed on April 29, 1997, as amended,
     and all exhibits included therein and financial statements and schedules
     thereto and documents incorporated by 


<PAGE>

     reference therein, being hereinafter referred to as the "SEC 
     Documents").  The Company represents and warrants to the Buyer that the 
     Company is a "reporting issuer" as defined in Rule 902(1) of Regulation 
     S and it has a class of securities registered under Section 12(b) or 
     12(g) of the 1934 Act or is required to file reports pursuant to Section 
     15(d) of the 1934 Act, and has filed all the materials required to be 
     filed as reports pursuant to the Exchange Act for a period of at least 
     twelve months preceding the date hereof (or for such shorter period as 
     the Company was required by law to file such material). As of their 
     respective dates, the SEC Documents complied in all material respects 
     with the requirements of the 1934 Act and the rules and regulations of 
     the SEC promulgated thereunder applicable to the SEC Documents, and none 
     of the SEC Documents, at the time they were filed with the SEC, 
     contained any untrue statement of a material fact or omitted to state a 
     material fact required to be stated therein or necessary in order to 
     make the statements therein, in light of the circumstances under which 
     they were made, not misleading.  As of their respective dates, the 
     financial statements of the Company included in the SEC Documents 
     complied as to form in all material respects with applicable accounting 
     requirements and the published rules and regulations of the SEC with 
     respect thereto.  Such financial statements have been prepared in 
     accordance with generally accepted accounting principles, consistently 
     applied, during the periods involved (except (i) as may be otherwise 
     indicated in such financial statements or the notes thereto, or (ii) in 
     the case of unaudited interim statements, to the extent they may exclude 
     footnotes or may be condensed or summary statements) and fairly present 
     in all material respects the financial position of the Company as of the 
     dates thereof and the results of its operations and cash flows for the 
     periods then ended (subject, in the case of unaudited statements, to 
     normal year-end audit adjustments).  No other information provided by or 
     on behalf of the Company to the Buyer which is not included in the SEC 
     Documents, including, without limitation information referred to in 
     Section 2(d) of this Agreement, contains any untrue statement of a 
     material fact or omits to state any material fact necessary in order to 
     make the statements therein, in the light of the circumstance under 
     which they are or were made, not misleading.

         g.   ABSENCE OF CERTAIN CHANGES.  Except as disclosed in Schedule
     3(g) and in the SEC documents, since January 1, 1996, there has been no
     material adverse change and no material adverse development in the
     business, properties, operations, financial condition, results of
     operations or prospects of the Company or its subsidiaries.  The Company
     has not taken any steps, and does not currently expect to take any steps,
     to seek protection pursuant to any bankruptcy law nor does the Company or
     its subsidiaries have any knowledge or reason to believe that its
     creditors intend to initiate involuntary bankruptcy proceedings.

         h.   ABSENCE OF LITIGATION.  There is no action, suit, proceeding,
     inquiry or investigation before or by any court, public board, government
     agency, self-regulatory organization or body pending or, to the knowledge
     of the Company or any of its subsidiaries, threatened against or affecting
     the Company, the Common Stock or any of the Company's subsidiaries,
     wherein an unfavorable decision, ruling or finding would (i) have a
     material adverse effect on the transactions contemplated hereby (ii)
     adversely affect 


<PAGE>

     the validity or enforceability of, or the authority or ability of the 
     Company to perform its obligations under, this Agreement or any of the 
     documents contemplated herein or (iii), except as expressly set forth in 
     the SEC Documents or in Schedule 3(h), have a material adverse effect on 
     the business, operations, properties, financial condition or results of 
     operation of the Company and its subsidiaries taken as a whole.

         i.   ACKNOWLEDGMENT REGARDING BUYER'S PURCHASE OF DEBENTURES.  The
     Company acknowledges and agrees that the Buyer is acting solely in the
     capacity of an arm's length purchaser with respect to this Agreement and
     the transactions contemplated hereby.  The Company further acknowledges
     that the Buyer is not acting as a financial advisor or fiduciary of the
     Company (or in any similar capacity) with respect to this Agreement and
     the transactions contemplated hereby and any advice given by the Buyer or
     any of their respective representatives or agents in connection with this
     Agreement and the transactions contemplated hereby is merely incidental to
     such Buyer's purchase of the Debentures or the Conversion Shares.  The
     Company further represents to the Buyer that the Company's decision to
     enter into this Agreement has been based solely on the independent
     evaluation by the Company and its representatives.

         j.   NO UNDISCLOSED EVENTS, LIABILITIES, DEVELOPMENTS OR
     CIRCUMSTANCES.  No known event, liability, development or circumstance has
     occurred or exists, or is contemplated to occur, with respect to the
     Company or its subsidiaries or their respective business, properties,
     prospects, operations or financial condition, which could be material but
     which has not been publicly announced or disclosed in writing to the
     Buyer.  The Company represents that it has not offered the Debentures or
     Conversion Shares to the Buyer in the U.S. or, to the best knowledge of
     the Company, to any person in the United States or any U.S. person.

         k.   NO GENERAL SOLICITATION.  Neither the Company, nor any of its
     affiliates, nor any person acting on its or their behalf, has engaged in
     any form of general solicitation or general advertising (within the
     meaning of Regulation D under the 1933 Act) in connection with the offer
     or sale of the Debentures or the Conversion Shares.

         l.   NO INTEGRATED OFFERING.  Neither the Company, nor any of its
     affiliates, nor any person acting on its or their behalf has, directly or
     indirectly, made any offers or sales of any security or solicited any
     offers to buy any security, under circumstances that would require
     registration of the Debentures or the Conversion Shares under the 1933 Act
     or cause this offering of Debentures or the Conversion Shares to be
     integrated with prior offerings by the Company for purposes of the 1933
     Act or any applicable stockholder approval provisions.

         m.   EMPLOYEE RELATIONS.  Neither the Company nor any of its
     subsidiaries is involved in any labor dispute nor, to the knowledge of the
     Company or any of its subsidiaries, is any such dispute threatened.  None
     of the Company's or its subsidiaries' employees is a member of a union and
     the Company and its subsidiaries believe that their relations with their
     employees are good.

<PAGE>

         n.   INTELLECTUAL PROPERTY RIGHTS.  To the best of the Company's
     knowledge, the Company and its subsidiaries own or possess adequate rights
     or licenses to use all trademarks, trade names, service marks, service
     mark registrations, service names, patents, patent rights, copyrights,
     inventions, licenses, approvals, governmental authorizations, trade
     secrets and rights necessary to conduct their respective businesses as now
     conducted.  Except as set forth on Schedule 3(n), none of the Company's
     trademarks, trade names, service marks, service mark registrations,
     service names, patents, patent rights, copyrights, inventions, licenses,
     approvals, government authorizations, trade secrets or other intellectual
     property rights have expired or terminated, or are expected to expire or
     terminate in the near future.  The Company and its subsidiaries do not
     have any knowledge of any infringement by the Company or its subsidiaries
     of trademark, trade name rights, patents, patent rights, copyrights,
     inventions, licenses, service names, service marks, service mark
     registrations, trade secret or other similar rights of others, and except
     as set forth on Schedule 3(n), there is no claim, action or proceeding
     being made or brought against, or to the Company's knowledge, being
     threatened against, the Company or its subsidiaries regarding trademark,
     trade name, patents, patent rights, invention, copyright, license, service
     names, service marks, service mark registrations, trade secret or other
     infringement; and the Company and its subsidiaries are unaware of any
     facts or circumstances which might give rise to any of the foregoing.  The
     Company and its subsidiaries have taken reasonable security measures to
     protect the secrecy, confidentiality and value of all of their
     intellectual properties.

         o.   ENVIRONMENTAL LAWS.  The Company and its subsidiaries are (i) in
     compliance with any and all applicable foreign, federal, state and local
     laws and regulations relating to the protection of human health and
     safety, the environment or hazardous or toxic substances or wastes,
     pollutants or contaminants ("Environmental Laws"), (ii) have received all
     permits, licenses or other approvals required of them under applicable
     Environmental Laws to conduct their respective businesses and (iii) are in
     compliance with all terms and conditions of any such permit, license or
     approval.

         p.   TITLE.  The Company and its subsidiaries have good and
     marketable title in fee simple to all real property and good and
     marketable title to all personal property owned by them which is material
     to the business of the Company and its subsidiaries, in each case free and
     clear of all liens, encumbrances and defects except such as are described
     in Schedule 3(p) or such as do not materially affect the value of such
     property and do not interfere with the use made and proposed to be made of
     such property by the Company and its subsidiaries.  Any real property and
     facilities held under lease by the Company and its subsidiaries are held
     by them under valid, subsisting and enforceable leases with such
     exceptions as are not material and do not interfere with the use made and
     proposed to be made of such property and buildings by the Company and its
     subsidiaries.

         q.   INSURANCE.  The Company and each of its subsidiaries are insured
     by insurers of recognized financial responsibility against such losses and
     risks and in such amounts as management of the Company believes to be
     prudent and customary in the 


<PAGE>

     businesses in which the Company and its subsidiaries are engaged.  
     Neither the Company nor any such subsidiary has been refused any 
     insurance coverage sought or applied for and neither the Company nor any 
     such subsidiary has any reason to believe that it will not be able to 
     renew its existing insurance coverage as and when such coverage expires 
     or to obtain similar coverage from similar insurers as may be necessary 
     to continue its business at a cost that would not materially and 
     adversely affect the condition, financial or otherwise, or the earnings, 
     business or operations of the Company and its subsidiaries, taken as a 
     whole.

         r.   REGULATORY PERMITS.  The Company and its subsidiaries possess
     all certificates, authorizations and permits issued by the appropriate
     federal, state or foreign regulatory authorities necessary to conduct
     their respective businesses, and neither the Company nor any such
     subsidiary has received any notice of proceedings relating to the
     revocation or modification of any such certificate, authorization or
     permit.

         s.   INTERNAL ACCOUNTING CONTROLS.  The Company and each of its
     subsidiaries maintain 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.

         t.   NO MATERIALLY ADVERSE CONTRACTS, ETC.  Neither the Company nor
     any of its subsidiaries is subject to any charter, corporate or other
     legal restriction, or any judgment, decree, order, rule or regulation
     which in the judgment of the Company's officers has or is expected in the
     future to have a material adverse effect on the business, properties,
     operations, financial condition, results of operations or prospects of the
     Company or its subsidiaries.  Neither the Company nor any of its
     subsidiaries is a party to any contract or agreement which in the judgment
     of the Company's officers has or is expected to have a material adverse
     effect on the business, properties, operations, financial condition,
     results of operations or prospects of the Company or its subsidiaries.

         u.   TAX STATUS.  Except as set forth on Schedule 3(u), the Company
     and each of its subsidiaries has made or filed all federal and state
     income and all other tax returns, reports and declarations required by any
     jurisdiction to which it is subject (unless and only to the extent that
     the Company and each of its subsidiaries has set aside on its books
     provisions reasonably adequate for the payment of all unpaid and
     unreported taxes) and has paid all taxes and other governmental
     assessments and charges that are material in amount, shown or determined
     to be due on such returns, reports and declarations, except those being
     contested in good faith and has set aside on its books provision
     reasonably adequate for the payment of all taxes for periods subsequent to
     the periods to which such returns, reports or declarations apply.  There
     are no unpaid taxes in any material amount 


<PAGE>

     claimed to be due by the taxing authority of any jurisdiction, and the 
     officers of the Company know of no basis for any such claim.

         v.   CERTAIN TRANSACTIONS.  Except as set forth on Schedule 3(v) and
     in the SEC Documents and except for arm's length transactions pursuant to
     which the Company makes payments in the ordinary course of business upon
     terms no less favorable than the Company could obtain from third parties
     and other than the grant of stock options disclosed on Schedule 3(c), none
     of the officers, directors, or employees of the Company is presently a
     party to any transaction with the Company (other than for services as
     employees, officers and directors), including any contract, agreement or
     other arrangement providing for the furnishing of services to or by,
     providing for rental of real or personal property to or from, or otherwise
     requiring payments to or from any officer, director or such employee or,
     to the knowledge of the Company, any corporation, partnership, trust or
     other entity in which any officer, director, or any such employee has a
     substantial interest or is an officer, director, trustee or partner.

         w.   DILUTIVE EFFECT.  The Company understands and acknowledges that
     the number of Conversion Shares issuable upon conversion of the Debentures
     will increase in certain circumstances.  The Company further acknowledges
     that its obligation to issue Conversion Shares upon conversion of the
     Debentures in accordance with this Agreement and the Debentures is
     absolute and unconditional regardless of the dilutive effect that such
     issuance may have on the ownership interests of other stockholders of the
     Company.

         x.   FEES AND RIGHTS OF FIRST REFUSAL.  The Company is not obligated
     to offer the securities offered hereunder on a right of first refusal
     basis or otherwise to any third parties including, but not limited to,
     current or former shareholders of the Company, underwriters, brokers,
     agents, or other third parties.

         y.   NO DIRECTED SELLING EFFORTS IN REGARD TO THIS TRANSACTION.
     Neither the Company nor, to the best knowledge of the Company, any
     distributor participating in this offering, nor any person acting for the
     Company or any such distributor, has conducted any "directed selling
     efforts" in the United States as the term "directed selling efforts" is
     defined in Rule 902 of Regulation S, which in general, means any activity
     undertaken for the purpose of, or that could reasonably be expected to
     have the effect of, conditioning the market in the United States for any
     of the securities being offered herein.  Such activity includes, without
     limitation, the mailing of printed material to investors residing in the
     United States, the holding of promotional seminars in the United States,
     and the placement of advertisements with radio or television stations
     broadcasting in the United States or in publications with a general
     circulation in the United States, which discuss the offering of the such
     securities.

         z.   FEES AND RIGHTS OF FIRST REFUSAL.  The Company is not obligated
     to offer the securities offered hereunder on a right of first refusal
     basis or otherwise to any third parties including, but not limited to,
     current or former shareholders of the Company, underwriters, brokers,
     agents or other third parties.


<PAGE>

4.   COVENANTS.

         a.   BEST EFFORTS.  Each party shall use its best reasonable efforts
     timely to satisfy each of the conditions to be satisfied by it as provided
     in Sections 6 and 7 of this Agreement.

         b.   [LEFT INTENTIONALLY BLANK]

         c.   REPORTING STATUS.  Until the earlier of (i) the date as of which
     the Investors (as that term is defined in the Registration Rights
     Agreement) may sell all of the Conversion Shares without restriction
     pursuant to Rule 144(k) promulgated under the 1933 Act (or successor
     thereto), or (ii) the date on which (A) the Investors shall have sold all
     the Conversion Shares and (B) none of the Debentures is outstanding (the
     "Registration Period"), the Company shall file all reports required to be
     filed with the SEC pursuant to the 1934 Act, and the Company shall not
     terminate its status as an issuer required to file reports under the 1934
     Act even if the 1934 Act or the rules and regulations thereunder would
     otherwise permit such termination.

         d.   USE OF PROCEEDS.  The Company will use the proceeds from the
     sale of the Debentures for substantially the same purposes and in
     substantially the same amounts as indicated in Schedule 4(d).

         e.   FINANCIAL INFORMATION.  The Company agrees to send the following
     to each Buyer who still holds Debentures or Conversion Shares during the
     Registration Period: (i) within five (5) days after the filing thereof
     with the SEC, a copy of its Annual Reports on Form 10-K, its Quarterly
     Reports on Form 10-Q, any Current Reports on Form 8-K and any registration
     statements or amendments filed pursuant to the 1933 Act; (ii) within one
     (1) day after release thereof, copies of all press releases issued by the
     Company or any of its subsidiaries and (ii) copies of the same notices and
     other information given to the stockholders of the Company generally,
     contemporaneously with the giving thereof to the stockholders.

         f.   [LEFT INTENTIONALLY BLANK]

         g.   LISTINGS.  The Company shall promptly secure the listing of the
     Conversion Shares upon each national securities exchange or automated
     quotation system, if any, upon which shares of Common Stock are then
     listed (subject to official notice of issuance) and shall maintain, so
     long as any other shares of Common Stock shall be so listed, such listing
     of all Conversion Shares from time to time issuable under the terms of
     this Agreement and the Registration Rights Agreement.  The Company shall
     use its best reasonable efforts to maintain the Common Stock's
     authorization for quotation in the over-the counter market.  The Company
     shall promptly provide to each Buyer copies of any notices it receives
     regarding the continued eligibility of the Common Stock for trading in the
     over-the-counter market.

<PAGE>

         h.   EXPENSES.  Each of the Company and the Buyer shall pay all costs
     and expenses incurred by such party in connection with the negotiation,
     investigation, preparation, execution and delivery of this Agreement and
     the Registration Rights Agreement.  The costs and expenses of J.P. Carey,
     Inc. and its counsel shall be paid for by the  Company at Closing.

         i.   AUTHORIZED SHARES OF COMMON STOCK, RESERVATION OF SHARES.  The
     Company shall at all times, so long as any of the Debentures are
     outstanding, reserve and keep available out of its authorized and unissued
     Common Stock, solely for the purpose of effecting the conversion of the
     Debentures, such number of shares of Common Stock equal to or greater than
     150% of the number of shares of Common Stock for which are issuable upon
     conversion of all of the then outstanding Debentures which are then
     outstanding or which could be issued at any time under this Agreement or
     the Debentures.

         j.   CORPORATE EXISTENCE.  So long as any Debentures remain
     outstanding, the Company shall not directly or indirectly consummate any
     merger, reorganization, restructuring, consolidation, sale of all or
     substantially all of the Company's assets or any similar transaction or
     related transactions (each such transaction, a "Sale of the Company")
     except if the surviving or successor entity in such transaction (i)
     expressly assumes, in writing, the Company's obligations hereunder and
     under the Registration Rights Agreement, the Debentures and any other
     agreements and instruments entered into or delivered by the Company in
     connection herewith and (ii) is a publicly traded corporation whose Common
     Stock is listed for trading on the New York Stock Exchange, Inc., the
     American Stock Exchange or the NASDAQ National Market or electric bulletin
     board.

         k.   TRANSACTIONS WITH AFFILIATES.  So long as (i) any Debentures are
     outstanding or (ii) any Buyer owns Conversion Shares with a market value
     equal to or greater than $200,000 for every $770,000 raised by the
     Placement Agent on behalf of the Company hereunder, the Company shall not,
     and shall cause each of its subsidiaries not to, enter into, amend, modify
     or supplement, or permit any subsidiary to enter into, amend, modify or
     supplement any agreement, transaction, commitment, or arrangement with any
     of its or any subsidiary's officers, directors, person who were officers
     or directors at any time during the previous two years, stockholders who
     beneficially own 5% or more of the Common Stock, or affiliates or with any
     individual related by blood, marriage, or adoption to any such individual
     or with any entity in which any such entity or individual owns a 5% or
     more beneficial interest (each a "Related Party"), except for (a) 
     customary employment arrangements and benefit programs on reasonable 
     terms, (b) any agreement, transaction, commitment, or arrangement on an 
     arms-length basis on terms no less favorable than terms which would 
     have been obtainable from a person other than such Related Party, 
     (c) any agreement transaction, commitment, or arrangement which is 
     approved by a majority of the disinterested directors of the Company, 
     for purposes hereof, any director who is also an officer of the 
     Company or any subsidiary of the Company shall not be a disinterested 
     director with respect to any such agreement, transaction, commitment, or 

<PAGE>

     arrangement.  "Affiliate" for purposes hereof means, with respect to any 
     person or entity, another person or entity that, directly or indirectly, 
     (i) has a 5% or more equity interest in that person or entity, (ii) has 
     5% or more common ownership with that person or entity, (iii) controls 
     that person or entity, or (iv) shares common control with that person or 
     entity.  "Control" or "controls" for purposes hereof means that a person 
     or entity has the power, direct or indirect, to conduct or govern the 
     policies of another person or entity.

         l.   NO SHORT SALES OF THE COMMON STOCK.  So long as (i) a Buyer or
     any of its affiliates beneficially owns any Debentures, (ii) the Company
     has not issued any publicly traded convertible securities and (iii) the
     Company is not in default under the Debentures, such Buyer and its
     affiliates shall not engage in any short sales or third party short sales
     of the Common Stock or hold a "put equivalent position" with respect to
     the Common Stock (as defined in Rule 16a-1 under the 1934 Act).

         m.   SHAREHOLDER APPROVAL.  The Company covenants to submit to it,
     shareholders at its next shareholder meeting a proposal for ratification
     of the issuance of the Debentures and the Conversion Shares, if and as
     required by the rules of the National Association of Securities Dealers,
     Inc. (the "NASD") applicable to the transaction.

         n.   Buyer covenants to resell Debentures and Conversion Shares in
     compliance with applicable securities laws.

     5.  TRANSFER AGENT INSTRUCTIONS.

          The Company shall issue irrevocable instructions to its transfer
agent to issue certificates, registered in the name of the Buyer or its
respective nominee(s), for the Conversion Shares in such amounts as specified
from time to time by the Buyer to the Company upon conversion of the Debentures
(the "Irrevocable Transfer Agent Instructions"). The Company warrants that no
instruction other than the Irrevocable Transfer Agent Instructions referred to
in this Section 5, and stop transfer instructions to give effect to Section
2(i) hereof (in the case of the Conversion Shares, prior to registration of
such shares under the 1933 Act) will be given by the Company to its transfer
agent and that the Debentures and the Conversion Shares shall otherwise be
freely transferable on the books and records of the Company as and to the
extent provided in this Agreement and the Registration Rights Agreement.
Nothing in this Section 5 shall affect in any way the Buyer's obligations and
agreement to comply with all applicable securities laws upon resale of the
Debentures or Conversion Shares.  The Company acknowledges that a breach by it
of its obligations hereunder will cause irreparable harm to the Buyer by
vitiating the intent and purpose of the transaction contemplated hereby.
Accordingly, the Company acknowledges that the remedy at law for a breach of
its obligations under this Section 5 will be inadequate and agrees, in the
event of a breach or threatened breach by the Company of the provisions of this
Section 5, that the Buyer shall be entitled, in addition to all other available
remedies, to an injunction restraining any breach and requiring immediate
issuance and transfer, without the necessity of showing economic loss and
without any bond or other security being required.


<PAGE>

     6.   CONDITIONS TO THE COMPANY'S OBLIGATION TO SELL.

          The obligation of the Company hereunder to issue and sell the
Debentures to the Buyer at the Closing is subject to the satisfaction, at or
before the Closing Date, of each of the following conditions, provided that
these conditions are for the Company's sole benefit and may be waived by the
Company at any time in its sole discretion:

         a.   The Buyer shall have executed this Agreement and the
     Registration Rights Agreement and delivered the same to the Company.

         b.   The Buyer shall have delivered to the Company the Purchase Price
     for the Debentures being purchased by the Buyer at the Closing by wire
     transfer of immediately available funds pursuant to the wire instructions
     provided by the Company.

         c.   The representations and warranties of the Buyer shall be true
     and correct in all material respects as of the date when made and as of
     the Closing Date as though made at that time (except for representations
     and warranties that speak as of a specific date), and the Buyer shall have
     performed, satisfied and complied in all material respects with the


<PAGE>

     covenants, agreements and conditions required by this Agreement to be
     performed, satisfied or complied with by the Buyer at or prior to the
     Closing Date.

     7.   CONDITIONS TO THE BUYER'S OBLIGATION TO PURCHASE.

          The obligation of the Buyer hereunder to purchase the Debentures at
the Closing is subject to the satisfaction, at or before the Closing Date, of
each of the following conditions, provided that these conditions are for the
Buyer's sole benefit and may be waived by the Buyer at any time in its sole
discretion:

         a.   The Company shall have executed this Agreement and the
     Registration Rights Agreement, and delivered the same to the Buyer.

         b.   The Common Stock shall be authorized for quotation on the over-
     the-counter market, AMEX the NASDAQ National Market or The New York Stock
     Exchange, Inc., trading in the Common Stock shall not have been suspended
     for any reason and all of the Conversion Shares issuable upon conversion
     of the Debentures shall be approved for listing on the over-the-counter
     market, AMEX, the NASDAQ National Market or The New York Stock Exchange,
     Inc.

         c.   The representations and warranties of the Company shall be true
     and correct in all material respects (except to the extent that any of
     such representations and warranties is already qualified as to materiality
     in Section 3 above, in which case, such representations and warranties
     shall be true and correct without further qualification) as of the date
     when made and as of the Closing Date as though made at that time (except
     for representations and warranties that speak as of a specific date) and
     the Company shall have performed, satisfied and complied in all material
     respects with the covenants, agreements and conditions required by this
     Agreement to be performed, satisfied or complied with by the Company at or
     prior to the Closing Date.  The Buyer shall have received a certificate,
     executed by the Chief Executive Officer of the Company, dated as of the
     Closing Date, to the foregoing effect and as to such other matters as may
     be reasonably requested by the Buyer including, without limitation an
     update as of the Closing Date regarding the representation contained in
     Section 3(c) above.

         d.   The Buyer shall have received the opinion of the Company's
     counsel dated as of the Closing Date, in form, scope and substance
     reasonably satisfactory to the Buyer and in substantially the form of
     Exhibit "D" attached hereto.

         e.   The Company shall have executed and delivered to the Buyer the
     Certificates (in such denominations as the Buyer shall request) for the
     Debentures being purchased by the Buyer at the Closing.

<PAGE>

         f.   The Board of Directors of the Company shall have adopted the
     resolutions in substantially the form of Exhibit "E" attached hereto.

         g.   As of the Closing Date, the Company shall have reserved out of 
     its authorized and unissued Common Stock, solely for the purpose of 
     effecting the conversion of the Debentures, such number of shares of 
     Common Stock equal to or greater than 150% of the number of shares of 
     Common Stock for which are issuable upon conversion of all of the 
     Debentures which could be issued (based upon a conversion effective as 
     of the day before the Closing Date) under this Agreement or the 
     Debentures.

         h.   The Irrevocable Transfer Agent Instructions, in form and
     substance satisfactory to the Buyer, shall have been delivered to and
     acknowledged in writing by the Company's transfer agent.

     8.  INDEMNIFICATION.

          In consideration of the Buyer's execution and delivery of this
Agreement and acquiring the Debentures and the Conversion Shares hereunder and
in addition to all of the Company's other obligations under this Agreement, the
Company shall defend, protect, indemnify and hold harmless the Buyer and each
other holder of the Debentures and the Conversion Shares and all of their
officers, directors, employees and agents (including, without limitation, those
retained in connection with the transactions contemplated by this Agreement)
(collectively, the "Indemnitees") from and against any and all actions, causes
of action, suits, claims, losses, costs, penalties, fees, liabilities and
damages, and expenses in connection therewith (irrespective of whether any such
Indemnitee is a party to the action for which indemnification hereunder is
sought), and including reasonable attorneys' fees and disbursements (the
"Indemnified Liabilities"), incurred by the Indemnitees or any of them as a
result of, or arising out of, or relating to (a) any misrepresentation or
breach of any representation or warranty made by the Company in this Agreement,
the Debentures or the Registration Rights Agreement or any other certificate,
instrument or document contemplated hereby or thereby, (b) any breach of any
covenant, agreement or obligation of the Company contained in this Agreement,
the Debentures or the Registration Rights Agreement or any other certificate,
instrument or document contemplated hereby or thereby, or (c) any cause of
action, suit or claim brought or made against such Indemnitee by any third
party and arising out of or resulting from the execution, delivery, performance
or enforcement of this Agreement or any other instrument, document or agreement
executed pursuant hereto by any of the Indemnities, any transaction financed or
to be financed in whole or in part, directly or indirectly, with the proceeds
of the issuance of the Debentures or the status of the Buyer or holder of the
Debentures or the Conversion Shares, as an investor in the Company.  To the
extent that the foregoing undertaking by the Company may be unenforceable for
any reason, the Company shall make the maximum contribution to the payment and
satisfaction of each of the Indemnified Liabilities which is permissible under
applicable law.

     9.   GOVERNING LAW: MISCELLANEOUS.

<PAGE>

         a.   GOVERNING LAW.  This Agreement shall be governed by and
     interpreted in accordance with the laws of the State of New York without
     regard to the principles of conflict of laws.  Any dispute or controversy
     between the parties arising in connection with this agreement or the
     subject matter contemplated by this agreement shall be resolved by
     arbitration before a three-member panel of the American Arbitration
     Association in accordance with the commercial arbitration rules of said
     forum and the Federal Arbitration Act, 9 U.S.C. 1 ET SEQ., with the
     resulting award being final and conclusive.  Said arbitrators shall be
     empowered to award all forms of relief and damages claimed, including, but
     not limited to, attorney's fees, expenses of litigation and arbitration,
     exemplary damages, and prejudgment interest.  Notwithstanding the
     foregoing, Buyer may at any time and at its option, whether or not an
     arbitration action is then pending, initiate a civil action for temporary
     and permanent injunctive and other equitable relief against Company.
     Company acknowledges that upon any breach of Buyer's conversion rights
     hereunder, Buyer's resulting injury may not be adequately compensated by a
     remedy at law.  Accordingly, upon such breach, Buyer, at its election and
     without limitation of its other remedies, shall be entitled to pursue a
     claim for specific performance of this Agreement, and Company hereby
     waives the right to assert any defense thereto that Purchaser has an
     adequate remedy at law.  The parties further agree that any arbitration
     action between them shall be heard in Atlanta, Georgia, and expressly
     consent to the jurisdiction and venue of the Superior Court of Fulton
     County, Georgia, and the United States District Court for the Northern
     District of Georgia, Atlanta Division for the adjudication of any civil
     action asserted pursuant to this Paragraph.

         b.   COUNTERPARTS.  This Agreement may be executed in two or more
     identical counterparts, all of which shall be considered one and the same
     agreement and shall become effective when counterparts have been signed by
     each party and delivered to the other party.  In the event any signature
     page is delivered by facsimile transmission, the party using such means of
     delivery shall cause four (4) additional original executed signature pages
     to be physically delivered to the other party within five (5) days of the
     execution and delivery hereof.

         c.   HEADINGS.  The headings of this Agreement are for convenience of
     reference and shall not form part of, or affect the interpretation of,
     this Agreement.

         d.   SEVERABILITY.  If any provision of this Agreement shall be
     invalid or unenforceable in any jurisdiction, such invalidity or
     unenforceability shall not affect the validity or enforceability of the
     remainder of this Agreement in that jurisdiction or the validity or
     enforceability of any provision of this Agreement in any other
     jurisdiction.

         e.   ENTIRE AGREEMENT, AMENDMENTS.  This Agreement supersedes all
     other prior oral or written agreements between the Buyer, the Company,
     their affiliates and persons acting on their behalf with respect to the
     matters discussed herein, and this Agreement and the instruments
     referenced herein contain the entire understanding of the parties with
     respect to the matters covered herein and therein and, except as
     specifically set forth herein or therein, neither the Company nor any
     Buyer makes any representation, warranty, covenant or undertaking with
     respect to such matters.  No provision of this 


<PAGE>

     Agreement may be waived or amended other than by an instrument in 
     writing signed by the party to be charged with enforcement.

         f.    NOTICES.  Any notices consents, waivers or other communications
     required or permitted to be given under the terms of this Agreement must
     be in writing and will be deemed to have been delivered (i) upon receipt,
     when delivered personally; (ii) upon receipt, when sent by facsimile,
     provided a copy is mailed by U.S. certified mail, return receipt
     requested; (iii) three (3) days after being sent by U.S. certified mail,
     return receipt requested, or (iv) one (I) day after deposit with a
     nationally recognized overnight delivery service, in each case properly
     addressed to the party to receive the same.  The addresses and facsimile
     numbers for such communications shall be:

     If to the Company:

          Spatialight, Inc.
          8-C Commercial Boulevard
          Novato, California 94949-6125
          Attn: President

          Telephone:     (415) 883-1693
          Facsimile:     (415) 883-3363

     With a copy to:

          Brad Rock, Esq.
          Gray, Cary, Ware & Freidenrich
          400 Hamilton Street
          Palo Alto, California 94301

          Telephone:     (650) 833-2111
          Facsimile:     (650) 327-3699

     If to the Transfer Agent:

          American Stock Transfer & Trust
          6201 15th Street
          Brooklyn, New York 11219

          Telephone:  (718) 921-8200
          Facsimile:  (718) 236-4855

     If to the Buyer, to its address and facsimile number on the Schedule of
     Buyers, with copies to the Buyer's counsel as set forth on the Schedule of
     Buyers.  Each party shall provide five (5) days' prior written notice to
     the other party of any change in address or facsimile number.


<PAGE>

         g.   SUCCESSORS AND ASSIGNS.  This Agreement shall be binding upon
     and inure to the benefit of the parties and their respective successors
     and assigns.  The Company shall not assign this Agreement or any rights or
     obligations hereunder without the prior written consent of the Buyer.  The
     Buyer may assign its rights hereunder without the consent of the Company,
     provided, however, that any such assignment shall not release the Buyer
     from its obligations hereunder unless such obligations are assumed by such
     assignee and the Company has consented to such assignment and assumption.

         h.   NO THIRD PARTY BENEFICIARIES.  This Agreement is intended for
     the benefit of the parties hereto and their respective permitted
     successors and assigns, and is not for the benefit of, nor may any
     provision hereof be enforced by, any other person.

         i.   SURVIVAL.  Unless this Agreement is terminated under Section
     9(l), the representations and warranties of the Company and the Buyer
     contained in Sections 2 and 3, the agreements and covenants set forth in
     Sections 4, 5 and 9, the indemnification provisions set forth in Section
     8, shall survive the Closing.  The Buyer shall be responsible only for its
     own representations, warranties, agreements and covenants hereunder.

         j.   PUBLICITY.  The Company and the Buyer shall have the right to
     approve before issuance any press releases or any other public statements
     with respect to the transactions contemplated hereby; provided, however,
     that the Company shall be entitled, without the prior approval of the
     Buyer, to make any press release or other public disclosure with respect
     to such transactions as is required by applicable law and regulations
     (although the Buyer shall be consulted by the Company in connection with
     any such press release or other public disclosure prior to its release and
     shall be provided with a copy thereof).

         k.   FURTHER ASSURANCES.  Each party shall do and perform, or cause
     to be done and performed, all such further acts and things, and shall
     execute and deliver all such other agreements, certificates, instruments
     and documents, as the other party may reasonably request in order to carry
     out the intent and accomplish the purposes of this Agreement and the
     consummation of the transactions contemplated hereby.

         1.   TERMINATION.  In the event that the Closing shall not have
     occurred with respect to the Buyer on or before five (5) business days
     from the date hereof due to the Company's or the Buyer's failure to
     satisfy the conditions set forth in Sections 6 and 7 above (and the
     nonbreaching party's failure to waive such unsatisfied condition(s)), the
     nonbreaching party shall have the option to terminate this Agreement with
     respect to such breaching party at the close of business on such date
     without liability of any party to any other party- provided, however, that
     if this Agreement is terminated pursuant to this Section


<PAGE>

     9(l), the Company shall remain obligated to reimburse the Buyer for the
     expenses described in Section 4(h) above.

         m.   FINDER.  The Company acknowledges that it has engaged a Finder
     in connection with the sale of the Debentures, which placement agent may
     have formally or informally engaged other agents on its behalf.  The
     Company shall be responsible for the payment of any Finder's fees (which
     includes cash and warrants to purchase Common Stock) relating to or
     arising out of the transactions contemplated hereby.

         n.   NO STRICT CONSTRUCTION.  The language used in this Agreement
     will be deemed to be the language chosen by the parties to express their
     mutual intent, and no rules of strict construction will be applied against
     any party.

     IN WITNESS WHEREOF, the Buyer and the Company have caused this Securities
Purchase Agreement to be duly executed as of the date first written above.

                              "COMPANY"
                              SPATIALIGHT, INC.


                              By:
                                 Name: William E. Hollis
                                 Its: Chairman of the Board, Chief Executive
                                 Officer, and Chief Financial Officer

                              "BUYER"

                              ___________________________


                              By:
                              Name:
                              Title:

<PAGE>

                             FOR IMMEDIATE RELEASE
                                       
               SPATIALIGHT ANNOUNCES PRIVATE DEBENTURE FINANCING




Novato, California, December 31, 1997 - [OBB:HDTV]   SpatiaLight, Inc.
announced today that it had closed the private placement of $450,000 principal
amount of convertible debentures to purchasers outside the United States.  The
debentures have a two year term, carry a 3% interest rate and are convertible
into the company's common stock at 120% of the five day average closing bid
price for the stock at the issuance date or, if lower, 75% of the five day
average closing bid price of the stock at the time the debt is converted.  Net
of fees and expenses, the company received $387,000 from this placement.  In
addition to a cash placement fee, the placement agent received 5 year warrants
to purchase 45,000 shares of company common stock at the closing bid price on
December 24.  The company anticipates that it may from time to time issue
additional debentures on similar terms based on its working capital needs in
the next several quarters.

The debentures offered have not been and will not be registered under the
Securities Act of 1933, and may not be offered or sold in the United States or
to a U.S. Person absent registration or an applicable exemption from the
registration requirements.

SpatiaLight, Inc. is designing and developing high resolution, miniature
reflective liquid crystal display devices intended for use in large screen
computer displays, home theatre systems and other display applications.
SpatiaLight is quoted on the OTC/BB under the market symbol HDTV.







****************************************************************
CONTACT:                 WILLIAM E. HOLLIS, CEO
                         SPATIALIGHT, INC.
                         (415) 883-3693 OR
                          SANDRA HARRISON,  SHAREHOLDER RELATIONS
                         (415) 884-6180
                         INTERNEThttp://www.spatialight.com/
*****************************************************************



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