Document:

PURCHASE AND OPTION AGREEMENT

     PURCHASE AND OPTION AGREEMENT, dated March 10, 2000, by and between STEVEN
A. GREENBERG ("Greenberg") and STEVEN G. CHRUST ("Chrust").

     WHEREAS, Chrust desires to purchase concurrently with the execution of this
Agreement certain shares of the common stock ("Common Stock") of Worlds.com Inc.
("Company") owned by Greenberg and Greenberg desires to sell to Chrust such
shares; and

     WHEREAS, Greenberg also desires to grant Chrust an option to purchase
certain additional shares of the Common Stock owned by Greenberg and Chrust
desires to acquire the option on the terms and conditions set forth in this
Agreement.

     IT IS AGREED:

     1. Stock Purchase. Chrust hereby purchases from Greenberg and Greenberg
hereby sells to Chrust 302,939 shares of the Common Stock owned by Greenberg
("Purchased Shares") at a price of $3.301 per share. Accordingly, concurrently
with the execution of this Agreement, Chrust is wiring to an account designated
by Greenberg the sum of $1,000,001.64 in immediately available funds in
consideration for the Purchased Shares, and Greenberg is causing certificates
representing the Purchased Shares, together with stock powers, with signatures
guaranteed, to be delivered to Graubard Mollen & Miller ("GMM"). Promptly
thereafter, GMM shall arrange to have the Purchased Shares transferred into
Chrust's name and certificates representing such shares to be delivered to
Chrust.

     2. Grant of Stock Option. Greenberg hereby grants to Chrust the right and
option ("Option ") to purchase up to an aggregate of 1,363,342 additional shares
of the Common Stock owned by Greenberg ("Option Shares"), all on the terms and
conditions set forth herein.

     3. Exercise Price. The exercise price ("Exercise Price") of the Option
shall be $3.301 per share, subject to adjustment as hereinafter provided.

     4. Exercisability. The Option shall be exercisable from time to time, in
whole or in part, during the "Option Period," which shall be the period
commencing on the date of this Agreement and ending on June 4, 2000, unless

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extended until July 4, 2000 in accordance with Section 5(ii) hereof. The last
day of the Option Period, as it may be extended, is referred to as the
"Termination Date." Notwithstanding the foregoing, except as set forth in
Section 5(ii) hereof, the Option may not be exercised for less than an aggregate
of 605,877 Option Shares (inclusive of the 75,735 Option Shares which may be
purchased under Section 5(ii), below) (the "Minimum Option Exercise").

     5. Consideration for the Option.

          (i) Simultaneously with the execution of this Agreement, Chrust is
     wiring to the account designated by Greenberg pursuant to Section 1 above
     the sum of $10,000 ("Option Purchase Price") as payment for the grant of
     the Option by Greenberg to Chrust.

          (ii) If Chrust desires to extend the Option Period beyond June 4,
     2000, then on or prior to the close of business on June 4, 2000, Chrust
     must wire, or have wired, an additional $250,001.24 ("Extension Payment")
     to the account designated pursuant to Section 5(i) in order to exercise the
     Option with respect to 75,735 Option Shares ("Extension Exercise"). If the
     Extension Exercise is made on or prior to June 4, 2000, the Termination
     Date shall be extended to July 4, 2000, and (ii) the Escrow Agent shall
     deliver a certificate for such 75,735 Option Shares as directed by Chrust.

          (iii) If the Option is exercised in accordance with the terms hereof
     and of the Escrow Agreement (as defined in Section 7 below), then the
     Option Purchase Price (less $1) will be applied as a credit against the
     aggregate amount payable to Greenberg upon satisfaction of the Minimum
     Option Exercise. If the Option is not so exercised, Greenberg will be
     entitled to retain the full amount of the Option Purchase Price.

     6. Adjustments. In the event of any change in the number of outstanding
shares of the Common Stock occurring as the result of a stock split, reverse
stock split or stock dividend, combination or reclassification of the
outstanding Common Stock, or similar event after the date hereof, the number of
Option Shares and the Exercise Price of the Option shall each be proportionately
adjusted. Any right to acquire a fractional Option Share resulting from
adjustments will be rounded to the nearest whole Option Share.

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     7. Method of Exercise. The Option may be exercised in whole or in part
(subject to the Minimum Option Exercise described in Section 4, above, and/or
the Extension Exercise described in Section 5(ii), above) by written notice
directed to Greenberg and the Escrow Agent in accordance with the terms of the
Escrow Agreement among Greenberg, Chrust and Continental Stock Transfer & Trust
Company ("Escrow Agent"), executed simultaneously herewith ("Escrow Agreement").

     8. Voting Rights. Chrust hereby acknowledges and agrees that during the
Voting Proxy Period (as defined in this paragraph 8), Greenberg shall have the
right to vote all of the Purchased Shares with respect to any matter put to a
vote of the stockholders of the Company. The "Voting Proxy Period" shall be the
period commencing on the date hereof and ending on the earlier of (i) September
10, 2001 or (ii) the date the Minimum Option Exercise is made. Notwithstanding
anything contained herein to the contrary, the foregoing shall not in any way
limit or otherwise modify Greenberg's obligations to vote his shares, including
the Purchased Shares, in accordance with the terms of the Consent (defined in
Section 11, below) and the letter, dated April 13, 1999, from Greenberg, Michael
Scharf and Thomas Kidrin to Chrust and the Company.

     9. Greenberg's Representations. Greenberg represents and warrants to Chrust
that:

          (i) he owns the Purchased Shares and the Option Shares (together, the
     "Shares") free of any lien, restriction or encumbrance of any kind, and he
     has owned all of the Shares since December 31, 1997;

          (ii) the sale by him of the Purchased Shares is, and the sale by him
     of the Option Shares upon exercise of the Option will be, exempt from the
     registration requirements of the Securities Act of 1933, as amended ("1933
     Act");

          (iii) he has not granted anyone an option, warrant, subscription or
     other right with respect to the Shares or any right to vote the Shares;

          (iv) his execution, delivery and performance of this Agreement and the
     Escrow Agreement does not and will not conflict with or violate any law,
     statute, ordinance, rule, regulation, order, judgment or decree applicable
     to him, result in any breach of or constitute a default (or an event which
     with notice or lapse of time or both would become a default) under, any

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<PAGE>

     note, bond, mortgage, indenture, contract, agreement or other instrument or
     obligation to which he is a party or by which he is bound.

          (v) he has received a copy of all reports and documents filed by the
     Company with the Securities and Exchange Commission pursuant to the
     Securities Exchange Act of 1934, as amended, within the last 24 months and
     all reports issued by the Company to its stockholders; and

          (vi) he has had both the opportunity to ask questions and receive
     answers from the officers and directors of the Company and persons acting
     on its behalf concerning the Company's operations and to obtain any
     additional information he requested.

     10. Chrust's Representations. Chrust represents and warrants to Greenberg
that:

          (i) he understands that he must bear the economic risk of the
     investment in the Shares, which cannot be sold by him unless they are
     registered under the 1933 Act or an exemption therefrom is available
     thereunder; and

          (ii) he is aware that the Company shall place stop transfer orders
     with its transfer agent against the transfer of the Shares in the absence
     of registration under the 1933 Act or an exemption therefrom as provided
     herein;

          (iii) he understands that the certificates evidencing the Shares shall
     bear the following legend:

               "The shares represented by this certificate have not been
               registered under the Securities Act of 1933, as amended, or under
               the securities laws of any State. The shares may not be sold,
               transferred or otherwise disposed of in the absence of such
               registration or an exemption therefrom under said Act."

          (iv) he understands that, during the Voting Proxy Period the Purchased
     Shares shall bear the following additional legend:

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               "The shares represented by this certificate are subject to
               certain voting rights granted to a person other than the
               registered holder hereof, in accordance with a certain Purchase
               and Option Agreement, dated March 10, 2000, a copy of which is
               on file at the principal offices of the Company."

          (v) as Chairman of the Company's board of directors, he is aware of
     all information regarding the Company's operations, including the Company's
     proposed plans and business risks.

          (vi) his execution, delivery and performance of this Agreement and the
     Escrow Agreement does not and will not conflict with or violate any law,
     statute, ordinance, rule, regulation, order, judgment or decree applicable
     to him, result in any breach of or constitute a default (or an event which
     with notice or lapse of time or both would become a default) under, any
     note, bond, mortgage, indenture, contract, agreement or other instrument or
     obligation to which he is a party or by which he is bound.

     11. Releases; Consent. Simultaneously herewith, (i) each of Greenberg and
the Company are executing mutual general releases in the other's favor
("Releases"), and (ii) Greenberg is executing a shareholder consent with respect
to certain matters ("Consent").

     12. Miscellaneous.

         12.1 Notices. All notices, requests, deliveries, payments, demands and
other communications which are required or permitted to be given under this
Agreement shall be deemed given if given in writing, by hand, or delivered by
nationally recognized overnight courier, or by telecopier and confirmed by mail
(registered or certified mail, postage prepaid, return receipt requested) at
their respective addresses set forth herein, or to such other address as either
shall have specified by notice in writing to the other.

          12.2 Survival of Representations. The representations and warranties
made by the parties shall survive the delivery of the Purchased Shares and the
partial, full or non-exercise of the Option (and the delivery of the Option
Shares).

          12.3 Waiver. The waiver by any party hereto of a breach of any
provision of this Agreement shall not operate or be construed as a waiver of any
other or subsequent breach.

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          12.4 Entire Agreement. This Agreement, the Escrow Agreement, the
Releases and the Consent constitute the entire agreement between the parties
with respect to the subject matter hereof. This Agreement may not be amended
except by writing executed by Greenberg and Chrust.

          12.5 Binding Effect; Successors. Chrust shall be entitled to designate
persons to purchase Option Shares along with him and such persons shall be
deemed to be assignees of his rights hereunder. If a portion of the Option is
exercised by such a designee, such designee must deliver to Greenberg
simultaneously with such exercise a certificate containing representations and
warranties substantially similar to the representations and warranties made by
Chrust in Section 10 above. This Agreement shall inure to the benefit of and be
binding upon the parties hereto and, to the extent not prohibited herein, their
respective heirs, successors, assigns and representatives. Nothing in this
Agreement, expressed or implied, is intended to confer any rights, remedies,
obligations or liabilities on any person other than the parties hereto and as
provided above, their respective heirs, successors, assigns and representatives.

          12.6 Governing Law; Jurisdiction. This Agreement shall be governed by
and construed in accordance with the laws of the State of New York (without
regard to choice of law provisions). Each party (i) agrees that any legal suit,
action or proceeding arising out of or relating to this Agreement shall be
instituted exclusively in New York State Supreme Court, County of New York, or
in the United States District Court for the Southern District of New York, (ii)
waives any objection to the venue of any such suit, action or proceeding and the
right to assert that such forum is not a convenient forum, and (iii) irrevocably
consents to the jurisdiction of the New York State Supreme Court, County of New
York, and the United States District Court for the Southern District of New York
in any such suit, action or proceeding. Each party further agrees to accept and
acknowledge service of any and all process which may be served in any such suit,
action or proceeding in the New York State Supreme Court, County of New York, or
in the United States District Court for the Southern District of New York and
agrees that service of process upon him mailed by registered mail to his address
shall be deemed in every respect effective service of process upon him in any
such suit, action or proceeding.

          12.7 Enforcement. The parties agree that irreparable damage would
occur in the event that any of the provisions of this Agreement were not
performed in accordance with their specific terms or were otherwise breached. It
is accordingly agreed that the parties shall be entitled to an injunction or

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<PAGE>

injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions of this Agreement, this being in addition to any other
remedy to which they are entitled at law or in equity. In addition, each of the
parties hereto waives any right to trial by jury with respect to any claim or
proceeding related to or arising out of this Agreement or any of the
transactions contemplated hereby.

          12.8 Headings. The headings contained herein are for the sole purpose
of convenience of reference, and shall not in any way limit or affect the
meaning or interpretation of any of the terms or provisions of this Agreement.

          12.9 SEC Filings. Each party agrees to provide the other with copies
of any filings they make with the Securities and Exchange Commission to reflect
the sale of the Purchased Shares and the grant and exercise of the Option prior
to the time the filing is required to be made and to give the other party
reasonable opportunity to comment on same.

          12.10 Severability. The invalidity or unenforceability of any term or
provision of this Agreement in any situation or jurisdiction shall not affect
the validity or enforceability of the other terms or provisions hereof or the
validity or enforceability of the offending term or provision in any other
situation or in any other jurisdiction and the remaining terms and provisions
shall remain in full force and effect, unless doing so would result in an
interpretation of this Agreement which is manifestly unjust.

          12.11 Fees and Expenses. Except as otherwise expressly set forth
herein or in the Escrow Agreement, all costs and expenses (including, without
limitation, legal and financial advisory fees and expenses) incurred in
connection with, or in anticipation of, this Agreement and the transactions
contemplated hereby shall be paid by the party incurring such expenses.

          12.12 Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be deemed to be an original instrument and all
of which together shall constitute a single agreement.

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<PAGE>

     IN WITNESS WHEREOF, the parties hereto have signed this Agreement on the
day and year first above:

                                  Address: 693 Fifth Avenue-- 19th Floor
                                           New York, New York 10022
                                           Telecopier No.:  212-246-1007

/s/ Steven A. Greenberg
--------------------------
    STEVEN A. GREENBERG

                                  Address: SGC Advisory Services, Inc.
                                           1786 Bedford Street
                                           Stamford, CT  06905
                                           Telecopier No.:  203-316-3929

/s/ Steven G. Chrust
-----------------------------
   STEVEN G. CHRUST

                                        8STEVEN A. GREENBERG
                          693 FIFTH AVENUE-- 19TH FLOOR
                            NEW YORK, NEW YORK 10022

                                                              March 10, 2000

Worlds.com Inc.
15 Union Wharf

Boston, Massachusetts 02109

Gentlemen:

     This letter is being delivered to you simultaneously with the execution of
and delivery of the purchase and option agreement ("Agreement"), dated March 10,
2000, between the undersigned ("Greenberg") and Steven G. Chrust ("Chrust").

     I hereby consent, with respect to all of the shares of common stock of
Worlds.com Inc. ("Company") which I own or have the right to vote (including the
"Purchased Shares," as defined in the Agreement), to the authorization and
creation of a series or class of preferred stock ("Preferred Stock") with the
following terms and any amendment to the certificate of incorporation of the
Company required in connection therewith:

     o    stated value of up to a maximum of $5,000,000;

     o    convertible into the Company's common stock (or an equivalent thereof)
          at a conversion price of 80% or more of the "Fair Market Value"
          (determined in customary fashion, based on a number of days prior to
          closing on the sale of the Preferred Stock);

     o    either dividend bearing or non-dividend bearing; provided, however,
          that if dividends are to accrue or be paid, the annual dividend rate
          shall be 10% or less and the Company must have the option to pay
          dividends either in kind or in common stock of the Company;

     o    senior liquidation preference in the amount of the stated value;

     o    voting rights as required by law and on an as-converted basis with the
          common stock, together with the right, as a class, to elect no more
          than two directors to the Company's board of directors; and

<PAGE>

     o    such other rights and preferences as are either customary or not
          materially adverse to the Company.

     This letter shall constitute Greenberg's consent as a shareholder of the
Company, as well as his irrevocable proxy to the Company to vote his shares of
common stock, as well as any other shares over which he has voting power, in
favor of the authorization and creation of the Preferred Stock if such matter is
put to a vote of stockholders prior to July 4, 2000. Upon the reasonable request
of the Company, I will execute a "written consent of Majority Shareholders" or
other similar document to implement the consent granted hereby.

     Notwithstanding the foregoing, this letter and the consent and proxy hereby
granted (i) shall become null and void and be of no force or effect if the
Preferred Stock is not issued by July 4, 2000 and (ii) shall not permit the
Company to authorize the Preferred Stock if shares of the Preferred Stock are
not issued by July 4, 2000.

     As of the date of this letter, I own 3,818,750 shares of the Company's
common stock, inclusive of the Purchased Shares.

                                        Very truly yours,

                                        /s/ Steven Greenberg
                                        ---------------------
                                            Steven Greenberg

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