Document:

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                                                                   Exhibit 10.30

                            STOCK PURCHASE AGREEMENT

     This Agreement (the "Agreement") is entered into as of the 8th day of
April, 2002 (the "Effective Date") by and between BNS Co., a Delaware
corporation ("BNS"), and Xygent Inc., a Delaware corporation ("Xygent").

                                   WITNESSETH:

     WHEREAS, as of the Effective Date, there are 400,000 authorized shares of
Common Stock, par value $0.01 (the "Common Stock"), of which 120,048 shares are
issued and outstanding, of which 20,048 shares are owned of record by Brown &
Sharpe, Inc. (formerly known as Hexagon (Rhode Island), Inc.) ("Brown & Sharpe")
and 100,000 are owned of record by BNS;

     WHEREAS, by action of even date herewith, Xygent has adopted the Xygent,
Inc. 2002 Equity Incentive Plan (the "Plan") to provide an incentive to
employees of and other providers of services to Xygent through the award of
options to acquire Stock and other Stock-based incentives (each, an "Award");

     WHEREAS, a total of 30,300 shares of Stock have been reserved for issuance
under the Plan; and

     WHEREAS, it is the intent and agreement of Xygent, BNS and Brown & Sharpe
that of the total of 30,300 shares of Stock reserved for issuance under the
Plan, 11,000 shares of Stock (the "BNS Reserve") be made available to Xygent by
BNS, such that the dilution resulting from the exercise of options for more than
19,300 shares will be borne solely by BNS, and not by Brown & Sharpe and BNS, on
the terms and conditions hereinafter set forth.

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, BNS and Xygent agree as follows:

     1.   Right of Purchase or Repurchase. From and after the Effective Date and
          until termination of this Agreement (the "Exercise Period"), Xygent
          shall have the right, exercisable as hereinafter set forth, to
          purchase and acquire from BNS shares of Stock up to, from time to
          time, the BNS Reserve. During the Exercise Period, Xygent may exercise
          its purchase right as follows:

          a.   Number of Shares Purchasable. If, at the time of delivery of any
               Stock pursuant to an Award (the "Award Shares"), the total number
               of shares of Stock then actually issued and outstanding under the
               Plan (taking into account the Award Shares) exceeds 19,300 (the
               "Issuance Limit"), Xygent shall be entitled to purchase and
               acquire from BNS up to the lesser of (i) the amount of such
               excess (expressed in shares of Stock), or (ii) the BNS Reserve
               reduced by the number of shares of Stock, if any, previously
               acquired by Xygent from BNS pursuant to this Agreement and

<PAGE>

               increased by the number of shares of Stock, if any, previously
               purchased by BNS from Xygent pursuant to Section 2 below.

          b.   Purchase Price. The purchase price for any shares purchased by
               Xygent from BNS pursuant to this Agreement in connection with the
               issuance of Award Shares shall be the exercise price or other
               amount ("exercise price"), if any, paid by the Plan participant
               or beneficiary for the Award Shares. If, in connection with any
               delivery of Award Shares, the total number of shares purchasable
               by Xygent under Section 1(a) above is less than the total number
               of such Award Shares, the purchase price payable by Xygent to BNS
               shall be determined by ranking the Award Shares in the order of
               the exercise price, if any, paid for those shares, starting with
               the highest such price, and by assuming that the shares
               purchasable by Xygent under Section 1(a) above correspond to the
               Award Shares in the same order of ranking (i.e., starting with
               those with the highest exercise price).

     2.   Special Rule for Restricted Stock. If any shares of Stock delivered
          with respect to an Award are then or thereafter subject to a risk of
          forfeiture, Sections 1(a) and 1(b) above shall be applied at the time
          of delivery; provided, that if any of such shares is later forfeited
          to Xygent (a "Forfeited Share"), the following special rules shall
          apply. If, immediately prior to the forfeiture of any Forfeited
          Shares, the total number of shares of Stock then issued and
          outstanding under the Plan (including the Forfeited Shares) exceeds
          the Issuance Limit, Xygent shall offer for sale to BNS, and BNS shall
          have the right to purchase, that number of shares of Stock which
          equals the excess of the number of Forfeited Shares over the Issuance
          Limit. The purchase price payable by BNS to Xygent with respect to any
          Forfeited Share shall be the exercise or other purchase price, if any,
          that was paid to Xygent under the Plan for such Forfeited Share. If,
          in connection with any forfeiture of Forfeited Shares giving rise to a
          BNS repurchase right described in this Section 2, the total number of
          Forfeited Shares is less than the number of shares as to which BNS has
          a repurchase right, BNS' repurchase right shall be deemed to pertain
          to those Forfeited Shares as to which the original exercise or
          purchase price was lowest (including zero, if the Forfeited Shares
          included any that were awarded without the payment of any exercise or
          purchase price). For purposes of this Section 2, a share of Stock will
          be deemed to be subject to a risk of forfeiture if it would be deemed
          to be subject to a "substantial risk of forfeiture" under Section 83
          of the Internal Revenue Code and the regulations thereunder (whether
          or not it was originally transferred subject to such a risk), and the
          term "forfeiture" shall have the same meaning as under Section 83 of
          the Internal Revenue Code and the regulations thereunder. Any shares
          of Stock repurchased by BNS pursuant to this Section 2 shall be
          subject to Xygent's purchase right set

                                       -2-

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          forth in Section 1, provided that any repurchased shares will not
          increase the total BNS Reserve.

     3.   Required Notice. Xygent shall promptly notify BNS of any delivery of
          shares of Stock under the Plan that might give rise to a purchase
          right under Section 1 and of any forfeiture of shares that might give
          rise to a repurchase right under Section 2. Each such notice shall
          include information concerning the number of shares of Stock then or
          previously delivered or forfeited, the exercise or other purchase
          price, if any, with respect to such shares, and other details
          necessary to determine the rights of the parties hereto. A copy of the
          notice delivered to BNS under this Section will be sent to Xygent.

     4.   Exercise Period. The right of Xygent or BNS to purchase or repurchase
          any shares of Stock under this Agreement shall be exercisable only
          during the period commencing on the "accrual date" (as hereinafter
          defined) and ending on the earlier of (i) the date of termination of
          this Agreement, or (ii) the date which is ninety (90) days after the
          accrual date. The "accrual date" with respect to any right of Xygent
          to purchase shares of Stock under Section 1 is the later of (i) the
          delivery of shares of Stock under the Plan that gives rise to such
          right, or (ii) the effective date of notice under Section 3 from
          Xygent to BNS with respect to such delivery. The accrual date with
          respect to any right of BNS to repurchase shares of Stock under
          Section 2 is the date of the forfeiture of shares of Stock that gives
          rise to such right. Notwithstanding the first sentence of this Section
          4, BNS' repurchase right with respect to any forfeiture of shares of
          Stock under the Plan shall in no event terminate earlier than thirty
          (30) days following the effective date of the required notice by
          Xygent to BNS with respect to such forfeiture.

     5.   Exercise of Right. At any time within the exercise period described at
          Section 4 above, Xygent or BNS, as the case may be, may exercise its
          right of purchase or repurchase by delivering notice to the other
          party accompanied by payment in full of the purchase or repurchase
          price, if any, in cash, cashier's or bank check, or other
          consideration acceptable to the selling party, whereupon the selling
          party shall promptly take all necessary steps to deliver to the
          exercising party the shares of Stock so purchased or repurchased.

     6.   Adjustment for Stock Splits, etc. The rights and obligations of the
          parties to this Agreement shall be appropriately adjusted to reflect
          any positive or reverse stock split, stock dividend or other change in
          capitalization affecting the Stock or the price of the Stock.

     7.   Notice. All notices or other communications to a party required or
          permitted hereunder will be in writing and will be delivered
          personally or by facsimile (receipt confirmed) to such party (or, in
          the case of an entity,

                                       -3-

<PAGE>

          to an executive officer of such party) or will be given by certified
          mail, postage prepaid with return receipt requested, addressed as
          follows:

          For notice to BNS:

                BNS Co.
                275 West Natick Road
                Warwick, Rhode Island 02886
                Fax No: (401) 244-4525
                Attention: Chief Executive Officer

          For notice to Xygent:

                Xygent Inc.
                275 West Natick Road
                Warwick, Rhode Island 02886
                Fax No: (401) 244-4525
                Attention: President

          For notices to Brown & Sharpe:

                Brown & Sharpe, Inc.
                c/o Hexagon AB
                PO Box 1112
                SE-131 26 Nacka Strand
                Sweden
                Fax: 46 8 601 2620
                Attention: President

          All notices will be deemed given on the day when actually delivered as
          provided above (if delivered personally or by facsimile) or on the day
          shown on the return receipt (if delivered by mail). Any party may
          change their respective above-specified recipient and/or mailing
          address by notice to the other party given in the manner herein
          prescribed.

     8.   Term of Agreement; Merger, etc. of Xygent.

          a.   Termination. This Agreement shall terminate upon the earliest to
               occur of the following: (i) any liquidation or dissolution of BNS
               unless in connection with such event BNS' rights and obligations
               hereunder are transferred to an acquiring or surviving entity or
               an affiliate thereof, or (ii) any merger, sale of all or
               substantially all assets, consolidation or sale of Stock
               effecting a change of control of Xygent, or any liquidation or
               dissolution of Xygent, unless in connection therewith outstanding
               Awards are assumed (or new awards substituted therefor) by an
               acquiring or surviving entity or an affiliate thereof and this
               agreement is likewise so assumed, or

                                       -4-

<PAGE>

               (iii) the day after the last date that any Award which could be
               issued under the Plan could have been exercised. In the event of
               a liquidation or dissolution described in clause (i), unless such
               liquidation or dissolution shall occur after this Agreement has
               already terminated, BNS shall give Xygent adequate advance notice
               of the liquidation or dissolution and Xygent shall thereupon have
               the right to purchase from BNS, at a purchase price per share
               equal to the average per-share exercise price of all stock option
               Awards then outstanding, any number of shares of Stock held by
               BNS up to the maximum that Xygent could have purchased if all
               then outstanding stock option Awards had been exercised. If, upon
               or prior to an event described in clause (ii), outstanding Awards
               are accelerated and result in the delivery of shares of Stock
               that would entitle Xygent to purchase shares from BNS pursuant to
               Section 1 above, the notice and exercise provisions of this
               Agreement shall be deemed modified so as to enable Xygent (unless
               this Agreement shall earlier have terminated) to exercise its
               purchase right in advance of the transaction, subject to a return
               to BNS of any shares so purchased if the transaction is not
               consummated. If, in connection with an event described in clause
               (ii), outstanding shares of restricted Stock issued under the
               Plan are forfeited, the notice and exercise provisions of this
               Agreement shall likewise be deemed modified, and Xygent shall
               provide such adequate advance notice as is necessary, to ensure
               that BNS (unless this Agreement shall earlier have terminated)
               has the opportunity to exercise its repurchase right in advance
               of the transaction, subject to a return to Xygent of any shares
               so repurchased if the transaction is not consummated.

          b.   Merger, etc. of Xygent. If, in connection with a merger, sale of
               all or substantially all assets, consolidation or sale or Stock
               affecting Xygent in connection with which outstanding Awards are
               assumed (or new awards substituted therefor) by an acquiring or
               surviving entity or an affiliate thereof (the "acquisition
               issuer"), the following special rules shall apply: (A) BNS'
               obligations under this Agreement shall be limited to those Awards
               that are outstanding immediately following the transaction (or
               equivalent awards issued in substitution therefor); (B) BNS'
               obligations hereunder shall be limited to the securities, if any,
               of the acquisition issuer that it receives in the transaction
               with respect to those shares of Stock held by BNS that would have
               been subject to Xygent's purchase right hereunder had the
               transaction not taken place and had all stock option Awards
               outstanding at the time of the transaction been exercised; and
               (C) if, in connection with the transaction, securities of an
               acquisition issuer are substituted for restricted Stock, such
               securities shall be treated as Stock for purposes of Section 2
               above and Section 2 shall be applied (subject

                                       -5-

<PAGE>

               to such adjustments as are necessary to reflect the transaction
               and the exchange of securities in connection therewith) in
               connection with any later forfeiture of such securities.

     9.   Transfer of the BNS Reserve Shares. Except as contemplated by this
          Agreement, BNS shall not dispose (whether by sale, assignment, gift,
          pledge, encumbrance or otherwise) of the shares then subject to the
          BNS Reserve unless the transferee of such shares agrees in writing to
          be bound by all of the provisions of this Agreement to which BNS is
          bound.

     10.  Binding Effect; Assignment. The rights and the interests of Xygent
          under this Agreement cannot be assigned without the prior written
          consent of BNS. Subject to the foregoing, this Agreement shall be
          binding upon each of BNS and Xygent and their respective successors
          and assigns.

     11.  Amendment and Waiver. Subject to Section 8, the parties hereto may
          amend, modify, terminate, waive or consent to any provision of this
          Agreement if such amendment, modification, termination, waiver or
          consent is set forth in a writing signed by the parties hereto.
          Notwithstanding the foregoing, Brown & Sharpe must consent (which
          consent will not be unreasonably withheld) to any amendment to this
          Agreement which affects the BNS Reserve, the number of shares which
          are Xygent may purchase under the Agreement, the purchase price (as
          set forth in Section 1(b)) or the repurchase option set forth in
          Section 2 with respect to restricted stock, or any amendment to this
          Section 11.

     12.  Headings; Counterparts. Section headings in this Agreement are
          included herein for convenience of reference only and shall not
          constitute a part of this Agreement for any other purpose or be given
          any substantive effect. This Agreement may be executed in counterparts
          and all such counterparts shall constitute one and the same
          instrument.

     13.  Governing Law; Jurisdiction; Waiver of Jury Trial. This Agreement and
          the subject matter hereof and all disputes arising under or based on
          this Agreement or the entering into or termination of this Agreement
          (any such dispute, a "Dispute") will be governed by and construed in
          accordance with the laws of the State of Rhode Island without regard
          to its conflicts of laws principles. Each of the parties irrevocably
          and unconditionally consents to submit to the exclusive jurisdiction
          of the courts of the State of Rhode Island for any Dispute, and each
          of the parties agrees not to commence any action, suit or proceeding
          relating to a Dispute except in such courts. Each of the parties
          irrevocably and unconditionally waives any objection to the laying of
          venue of any action, suit or proceeding arising out of any Dispute in
          the courts of the State of Rhode Island and hereby further irrevocably
          and unconditionally waives and agrees not to plead or claim in any
          such court that any such action, suit or proceeding brought in any
          such court has been brought in an inconvenient forum.

                                       -6-

<PAGE>

          Each party irrevocably waives all rights to a trial by jury with
          respect to any such action, suit or proceeding.

     14.  Specific Enforcement. Each party acknowledges that the other party
          would be irreparably damaged in the event that any of the covenants
          were not performed by it in accordance with their specific terms or
          were otherwise breached. Therefore, the parties agree that each party
          shall be entitled to an injunction or injunctions (without the
          requirement of having to post a bond) to prevent breaches of such
          covenants and to specifically enforce such covenants, in addition to
          any other remedy to which such party may be entitled to at law or in
          equity.

     15.  Severability. Should any part of this Agreement, for any reason, be
          declared invalid by a court of competent jurisdiction, such decision
          shall not affect the validity of any remaining portion, which
          remaining portion shall remain in force and effect as if this
          Agreement had been executed with the invalid portion eliminated.

     16.  Entirety. This Agreement embodies the entire agreement among the
          parties and supersedes all prior agreements and understandings, if
          any, relating to the subject matter hereof.

             [the remainder of the page is intentionally left blank]

                                       -7-

<PAGE>

     IN WITNESS WHEREOF, BNS Co. and Xygent Inc. have caused this instrument to
be executed by their respective officers thereunto duly authorized, all as of
the date first set forth above.

XYGENT INC.                                          BNS Co.

By:  /s/ Andrew C. Genor                             By: /s/ Andrew C. Genor
   ------------------------                             ------------------------
Name:  Andrew C. Genor                               Name:  Andrew C. Genor
Title: President and CEO                             Title: President and CEO

                                       -8-<PAGE>
                                                                   Exhibit 10.31

                                   XYGENT INC.

                      2002 COMMON STOCK PURCHASE AGREEMENT

     This 2002 Common Stock Purchase Agreement, dated as of April 8, 2002, is
made among Xygent Inc., a Delaware corporation (the "Company"), and BNS Co., a
Delaware corporation (the "BNS"). The parties agree as follows:

1.   Definitions; Certain Rules of Construction.  Certain capitalized terms are
used in this Agreement, if not defined elsewhere in the Agreement, with the
specific meanings defined below in this Section 1.

     1.1.   "Person" means any present or future natural person or any
corporation, association, partnership, limited liability company, limited
liability partnership, joint venture, joint stock or other company, business
trust, trust, organization, business or government or any governmental agency or
political subdivision thereof.

     1.2.   "Stockholders' Agreement" means the Stockholders' Agreement, dated
as of April 27, 2001 and in effect from time to time, among the Company, BNS and
Brown & Sharpe, Inc. (formerly known as Hexagon (Rhode Island), Inc.) ("Brown &
Sharpe").

2.   Authorization, Sale and Purchase of Common Stock.

     2.1.   Authorization of Common Stock. The Company has authorized the
issuance and sale of up to 12,005 shares of Common Stock of the Company, par
value $0.01 per share ("Common Stock"), to be issued under this Agreement at a
purchase price per share equal to $124.95 (the "Purchase Price").

     2.2.   Sale and Purchase of Common Stock. Subject to the terms and
conditions of this Agreement and the Stockholders' Agreement, and on the basis
of the representations and warranties set forth herein, the Company agrees to
sell to BNS, and BNS agrees to purchase from the Company 12,005 shares of Common
Stock (the "Shares") at a purchase price per share equal to the Purchase Price
for a total purchase price of $1,500,024.75 (the "Total Purchase Price").

     2.3.   The Closing. The purchase and sale of the Shares will take place on
April 26, 2002 at the offices of the Company, 275 West Natick Road, Warwick,
Rhode Island 02886, or at such other time or place as the parties may agree (the
"Closing"). At the Closing, the Company will deliver to BNS a certificate or
certificates, registered in BNS's name, representing the number of Shares
against payment of the Total Purchase Price by the surrender to the Company for
cancellation of $1,500,024.75 of the indebtedness owed by the Company to BNS.

3.   Representations and Warranties of the Company. In order to induce BNS to
enter into this Agreement and to purchase the Shares hereunder, the Company
hereby represents and warrants that:

     3.1.   Organization and Authorization. The Company is a corporation duly
organized, validly existing and in good standing under the laws of the State of
Delaware. The Company has all required corporate power and authority to enter
into this Agreement and to carry out the

<PAGE>

transactions contemplated hereby. This Agreement has been duly executed and
delivered by the Company and is the legal, valid and binding obligation of the
Company, enforceable against the Company in accordance with its terms, except as
enforceability thereof may be subject to the laws of general application
relating to bankruptcy, insolvency, the relief of debtors and rules and laws
governing specific performance, injunctive relief and other equitable remedies.
The execution, delivery and performance of this Agreement has been duly
authorized by all necessary corporate action of the Company.

     3.2.   Non-Contravention. The execution by the Company of this Agreement
and the performance by the Company of the transaction contemplated hereby will
not violate, conflict with, or result in a default under any provision of the
Company's organizational documents.

     3.3.   Issuance of Shares. When issued in accordance with the terms of this
Agreement, the Stockholders' Agreement, and the Certificate of Incorporation of
the Company, as amended (the "Certificate of Incorporation"), the Shares will be
duly authorized, validly issued and outstanding, fully paid and nonassessable.

     3.4.   Securities Laws. Assuming that BNS's representations and warranties
contained in Section 4 are true and correct, the offer, issuance and sale of the
Shares by the Company to BNS is exempt from the registration and prospectus
delivery requirements of the 1933 Act, and is exempt from registration and
qualification under the registration, permit or qualification requirements of
all applicable state blue sky and securities laws.

4.   Representations, Warranties and Certain Other Agreements of BNS.

     4.1.   Representations and Warranties. BNS hereby represents and warrants
that:

            4.1.1.  Authorization. BNS has full power and authority to execute,
     deliver and perform this Agreement and to acquire the Shares. This
     Agreement constitutes the legal, valid and binding obligation of BNS,
     enforceable against BNS in accordance with its terms, except as
     enforceability thereof may be subject to the laws of general application
     relating to bankruptcy, insolvency, the relief of debtors and rules and
     laws governing specific performance, injunctive relief and other equitable
     remedies.

            4.1.2.  Non-Contravention. The execution by BNS of this Agreement
     and the performance by the Company of the transaction contemplated hereby
     will not violate, conflict with, or result in a default under any provision
     of BNS's organizational documents.

            4.1.3.  Purchase Entirely for Own Account. The Shares will be
     acquired for investment for BNS's own account, not as a nominee or agent
     and not with a view to the distribution of any part thereof. BNS has no
     present intention of selling, granting any participation in, or otherwise
     distributing, the Shares. BNS does not have any contract, undertaking,
     agreement or arrangement with any Person to sell or transfer, or grant any
     participation to such Person or to any third Person, with respect to any of
     the Shares.

            4.1.4.  Restricted Securities. BNS understands that the Shares may
     not be sold or transferred, or otherwise disposed of, without registration
     under the Securities Act of

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<PAGE>

     1933 as amended (the "1933 Act"), or an exemption therefrom, and that in
     the absence of an effective registration statement covering the Shares or
     an available exemption from registration under the 1933 Act, the Shares
     must be held indefinitely. In the absence of an effective registration
     statement covering the Shares, BNS will sell or transfer, or otherwise
     dispose of, the Shares to be acquired by BNS only in a manner consistent
     with its representations and agreements set forth herein and the terms and
     conditions set forth in the Stockholders' Agreement.

     4.2.   Legends. It is understood that the certificates evidencing the
Shares may bear substantially the following legends:

            (a)  "THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES
     ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED OR
     HYPOTHECATED IN THE ABSENCE OF A REGISTRATION STATEMENT IN EFFECT WITH
     RESPECT TO THESE SECURITIES UNDER SUCH ACT OR AN OPINION OF COUNSEL
     SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED."

            (b)  Any legend required by (i) the Stockholders' Agreement or (ii)
     the laws of any applicable jurisdiction.

5.   Conditions to BNS's Obligations at the Closing. The obligations of BNS
under Section 2 to purchase the Shares at the Closing are subject to the
fulfillment at or prior to the Closing of each of the following conditions
(unless waived by BNS):

     5.1.   Representations and Warranties. The representations and warranties
of the Company contained in Section 3 shall be true and correct on and as of the
date of the Closing with the same effect as though such representations and
warranties had been made on and as of the date of the Closing.

     5.2.   Performance. The Company shall have performed and complied in all
material respects with all agreements, obligations, and conditions contained in
this Agreement that are required to be performed or complied with by it on or
before the Closing.

     5.3.   Compliance Certificate. If the Closing does not occur simultaneously
with the execution of this Agreement, the Company shall deliver to BNS at the
Closing a certificate signed on behalf of the Company by an officer of the
Company certifying that the conditions specified in Sections 5.1 and 5.2 have
been fulfilled. If the Closing occurs simultaneously with execution of this
Agreement, the conditions specified in Section 5.1 and 5.2 shall be deemed to
have been fulfilled.

     5.4.   Stockholders' Agreement. The requirements of Sections 6.1-6.3 of the
Stockholders' Agreement shall have been met or waived in all respect prior to
the Closing in connection with the transactions contemplated by this Agreement
and the purchase and sale of the Shares.

                                       -3-

<PAGE>

6.   Conditions to the Company's Obligations at Closing. The obligations of the
Company under Section 2 to sell Shares at the Closing are subject to the
fulfillment at or prior to the Closing of each of the following conditions
(unless waived by the Company):

     6.1.   Representations and Warranties. The representations and warranties
of BNS contained in Section 4 shall be true and correct in all material respects
on and as of the date of the Closing with the same effect as though such
representations and warranties had been made on and as of the date of the
Closing.

     6.2.   Payment of Purchase Price. BNS shall have delivered payment of the
Total Purchase Price by acknowledging to the Company the cancellation of
$1,500,024.75 of the indebtedness of the Company to BNS.

7.   Notices. All notices or other communications to a party required or
permitted hereunder will be in writing and will be delivered personally or by
facsimile (receipt confirmed) to such party (or, in the case of an entity, to an
executive officer of such party) or will be given by certified mail, postage
prepaid with return receipt requested, addressed as follows:

     If to the Company, to: Xygent Inc., 275 West Natick Road, Warwick, Rhode
Island 02886, Att: President.

     If to BNS, to: BNS Co., 275 West Natick Road, Warwick, Rhode Island 02886,
Att: Chief Executive Officer.

All notices will be deemed given on the day when actually delivered as provided
above (if delivered personally or by facsimile) or on the day shown on the
return receipt (if delivered by mail). Either party may change their respective
above-specified recipient and/or mailing address by notice to the other party
given in the manner herein prescribed.

8.   Parties in Interest.  All covenants, agreements, representations,
warranties and undertakings in this Agreement made by and on behalf of any party
hereto shall bind and inure to the benefit of the successors and assigns of such
party.

9.   Amendments and Waivers. No delay or omission on the part of any party
hereto in exercising any right under this Agreement shall operate as a waiver of
such right or any other right hereunder. No amendment, waiver or consent with
respect to this Agreement shall be binding unless it is in writing and signed by
each party hereto. No amendment will be effective unless it is approved by the
Board of Directors of Xygent.

10.  General. If any provision of this Agreement shall be found by any court of
competent jurisdiction to be invalid or unenforceable, the parties hereby waive
such provision to the extent that it is found to be invalid or unenforceable.
Such provision shall, to the maximum extent allowable by law, be modified by
such court so that it becomes enforceable, and, as modified, shall be enforced
as any other provision hereof, all the other provisions hereof continuing in
full force and effect. The headings contained in this Agreement are for
reference purposes only and shall not in any way affect the meaning or
interpretation hereof. This Agreement and the Stockholders' Agreement constitute
the entire understanding of the parties with respect to the subject matter
hereof and supersede any and all prior understandings and agreements, whether

                                       -4-

<PAGE>

written or oral, with respect to such subject matter. This Agreement may be
executed in counterparts, which together shall constitute one and the same
instrument. This Agreement shall be governed by and construed in accordance with
the laws (other than the conflict of laws rules) of the State of Rhode Island.

           [The rest of this page has been intentionally left blank.]

                                       -5-

<PAGE>

         IN WITNESS WHEREOF, each of the undersigned has caused this Agreement
to be executed by a duly authorized officer as of the date first above written.

                                        XYGENT INC.

                                        By: /s/ Andrew C. Genor
                                            ----------------------------------
                                            Title: President and CEO

                                        BNS CO.

                                        By: /s/ Andrew C. Genor
                                            ----------------------------------
                                            Title: President and CEO

                                       -6-

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