Document:

<PAGE>

                                                                    Exhibit 10.1

                    AGREEMENT ASSIGNING AND TERMINATING LEASE
                        AGREEMENTS AND RELEASING PARTIES

          THIS AGREEMENT is made this 16 day of January 2003, by and among
LIBERTY PROPERTY LIMITED PARTNERSHIP, a Pennsylvania limited partnership
("Landlord"), VERTICALNET, INC., a Pennsylvania corporation ("VerticalNet") and
ATLAS COMMERCE, INC., a Delaware corporation ("Atlas").

BACKGROUND:

     A. Landlord and VerticalNet entered into a Lease Agreement dated April 21,
1999 (the "700 Dresher Lease Agreement"), as amended by First Amendment to Lease
Agreement dated May 15, 1999, Second Amendment to Lease Agreement dated March 2,
2000 and Third Amendment to Lease Agreement dated August 1, 2000 (the 700
Dresher Lease Agreement, as amended, collectively, the "700 Dresher Lease"),
covering premises containing approximately 84,563 rentable square feet at 700
Dresher Road, Horsham, Pennsylvania, as more fully described in the 700 Dresher
Lease (the "700 Dresher Premises").

     B. Landlord and Atlas (then known as Aatlas Commerce, Inc.) entered into a
Lease Agreement dated January 12, 2000 (the "300 Chesterfield Lease"), covering
premises containing approximately 27,260 rentable square feet at 300
Chesterfield Parkway, Malvern, Pennsylvania, as more fully described in the 300
Chesterfield Lease (the "300 Chesterfield Premises").

     C. Landlord and Atlas (then known as Aatlas Commerce, Inc.) entered into a
Lease Agreement dated January 12, 2000 (the "400 Chesterfield Lease Agreement"),
as amended by First Amendment to Lease Agreement dated April 13, 2000 (the 400
Chesterfield Lease Agreement, as amended, collectively, the "400 Chesterfield
Lease"), covering premises containing approximately 4,772 rentable square feet
at 400 Chesterfield Parkway, Malvern, Pennsylvania, as more fully described in
the 400 Chesterfield Lease (the "400 Chesterfield Premises").

     D. VerticalNet acquired Atlas on December 30, 2001 and Atlas is now a
subsidiary of VerticalNet.

     E. Atlas desires to assign all of its right, title and interest in the 300
Chesterfield Lease and the 400 Chesterfield Lease to VerticalNet and VerticalNet
desires to accept such assignment and Landlord has agreed thereto.

     F. VerticalNet and Landlord have agreed to an early termination of the 700
Dresher Lease, the 300 Chesterfield Lease and the 400 Chesterfield Lease
(collectively, the "Leases") prior to their respective Expiration Dates (as
defined in the Leases) in accordance with the terms and conditions contained
herein.

          NOW, THEREFORE, the parties hereto, in consideration of the mutual
promises and covenants contained herein and in the Leases, and intending to be
legally bound hereby, agree as follows:

<PAGE>

     1. Atlas hereby sells, assigns and transfers to VerticalNet all of its
right, title and interest, as tenant, in and to the 300 Chesterfield Lease and
the 400 Chesterfield Lease, including without limitation, all of its right,
title and interest in and to the Security Deposits thereunder. VerticalNet
hereby assumes all of the obligations of Atlas under the 300 Chesterfield Lease
and the 400 Chesterfield Lease and agrees to be bound by all of the provisions
thereof as if it were the original Tenant under the 300 Chesterfield Lease and
the 400 Chesterfield Lease.

     2. Landlord hereby consents to the assignment of the 300 Chesterfield Lease
and the 400 Chesterfield Lease by Atlas to VerticalNet, provided, however, that
Atlas is not released from liability thereunder, subject to the terms of this
Agreement.

     3. Within five (5) business days after the date this Agreement is fully
executed, VerticalNet shall pay to Landlord, by wire transfer of immediately
available funds, the sum of $1,575,970.93, constituting an agreed early
termination fee under the 700 Dresher Lease.

     4. Within five (5) business days after the date this Agreement is fully
executed, VerticalNet shall pay to Landlord, by wire transfer of immediately
available funds, the sum of $699,628.44, constituting an agreed early
termination fee under the 300 Chesterfield and 400 Chesterfield Leases in the
amount of $763,820.45, less (a) the amount of the Security Deposit under the 300
Chesterfield Lease in the amount of $53,952.09, and (b) the amount of the
Security Deposit under the 400 Chesterfield Lease in the amount of $10,239.92.
Landlord shall retain for its own account the Security Deposits under the 300
Chesterfield and 400 Chesterfield Leases and VerticalNet agrees that it
disclaims and has no further right, title or interest therein.

     5. Landlord and VerticalNet acknowledge and agree that Landlord presently
holds, as escrow agent for VerticalNet, certain Certificates of Deposit (the
"Certificates of Deposit") at Comerica Bank (the "Bank") listed on Exhibit "A"
attached hereto, which constitute the Security Deposit and the Additional
Security Deposit (as defined in the 700 Dresher Lease). Upon Landlord's receipt
of the sums to be paid by VerticalNet pursuant to paragraphs 3 and 4 of this
Agreement, Landlord agrees that it disclaims and has no further right, title or
interest in and to the Certificates of Deposit and the proceeds thereof and that
the Certificates of Deposit and the proceeds thereof shall be retained by
VerticalNet for its own account. Within one (1) business day after Landlord's
receipt of the sums to be paid by VerticalNet pursuant to paragraphs 3 and 4 of
this Agreement, Landlord shall send to the Bank by facsimile and by nationally
recognized overnight courier a letter in the form attached hereto as Exhibit "B"
authorizing and directing the Bank to change the name of the account holder of
the Certificates of Deposit from Landlord, as Agent (or Escrow Agent) for
VerticalNet, to the sole account of VerticalNet.

     6. The 700 Dresher Lease shall terminate on January 31, 2003 (the "700
Dresher Termination Date"). On or before the 700 Dresher Termination Date,
VerticalNet shall surrender the 700 Dresher Premises to Landlord leaving same in
the condition it is required to be surrendered under the 700 Dresher Lease.
Prior to the 700 Dresher Termination Date, Landlord and VerticalNet shall
jointly inspect the 700 Dresher Premises and any deficiencies in such condition
shall be repaired at VerticalNet's expense, such obligation to survive the 700
Dresher Termination Date.

     7. VerticalNet shall comply with all of the terms and conditions of the 700
Dresher Lease through the 700 Dresher Termination Date, except that VerticalNet
shall have no obligation to pay Minimum Annual Rent or Annual Operating Expenses
for the period from January 1, 2003 through the 700 Dresher Termination Date.
After the 700 Dresher Termination Date, neither Landlord nor VerticalNet shall
have any rights or obligations under the 700 Dresher Lease other than any
obligations of Landlord and VerticalNet which by their express terms survive the
expiration or earlier termination of the 700 Dresher Lease. There shall be no
final reconciliation of Operating Expenses for calendar year 2002.

     8. As an additional inducement to Landlord to agree to terminate the 700
Dresher Lease and for the sum of $1.00 paid by Landlord to VerticalNet,
VerticalNet hereby sells, assigns, transfers and conveys to Landlord the
furniture presently located in the 700 Dresher Premises, including without
limitation, all tables, desks, chairs, credenzas and furniture systems and
cubicle, office, conference room and exercise equipment), specifically excluding
telephone systems, copiers and computer hardware (including laptops, desktops,
servers, data projectors, etc.) which shall be retained by VerticalNet.
VerticalNet represents and warrants to Landlord that it is the sole

                                       2

<PAGE>

owner of such furniture and equipment free and clear of any liens, encumbrances,
mortgages, pledges, capital leases or other security interests.

     9. In the event VerticalNet does not surrender the 700 Dresher Premises to
Landlord on or before the 700 Dresher Termination Date, VerticalNet shall pay
Landlord for each month of such continued occupancy an amount equal to (a) 150%
of the monthly installment of Minimum Annual Rent for December, 2002 under the
700 Dresher Lease, plus (b) 1/12 of Landlord's then current estimate of Annual
Operating Expenses for the 700 Dresher Premises.

     10. The 300 Chesterfield Lease shall terminate on February 28, 2003 (the
"300 Chesterfield Termination Date"). On or before the 300 Chesterfield
Termination Date, VerticalNet shall surrender the 300 Chesterfield Premises to
Landlord leaving same in the condition it is required to be surrendered under
the 300 Chesterfield Lease. Prior to the 300 Chesterfield Termination Date,
Landlord and VerticalNet shall jointly inspect the 300 Chesterfield Premises and
any deficiencies in such condition shall be repaired at VerticalNet's expense,
such obligation to survive the 300 Chesterfield Termination Date.

     11. VerticalNet shall comply with all of the terms and conditions of the
300 Chesterfield Lease through the 300 Chesterfield Termination Date, except
that VerticalNet shall have no obligation to pay Minimum Annual Rent or Annual
Operating Expenses for the period from January 1, 2003 through the 300
Chesterfield Termination Date. After the 300 Chesterfield Termination Date,
neither Landlord nor VerticalNet shall have any further rights or obligations
under the 300 Chesterfield Lease other than any obligations of Landlord and
VerticalNet which by their express terms survive the expiration or earlier
termination of the 300 Chesterfield Lease. There shall be no final
reconciliation of Operating Expenses for calendar year 2002.

     12. As an additional inducement to Landlord to agree to terminate the 300
Chesterfield Lease and for the sum of $1.00 paid by Landlord to VerticalNet,
VerticalNet hereby sells, assigns, transfers and conveys to Landlord the
furniture presently located in the 300 Chesterfield Premises, including without
limitation, all tables, desks, chairs, credenzas and furniture systems and
cubicle, office, conference room and exercise equipment), specifically excluding
telephone systems, copiers and computer hardware (including laptops, desktops,
servers, data projectors, etc.) which shall be retained by VerticalNet.
VerticalNet represents and warrants to Landlord that it is the sole owner of
such furniture and equipment free and clear of any liens, encumbrances,
mortgages, pledges, capital leases or other security interests. Notwithstanding
the foregoing, VerticalNet may, at its option, retain sufficient furniture,
including desks, cubicles and file cabinets to furnish the 400 Chesterfield
Premises, such furniture to be retained to be subject to Landlord's approval,
which approval shall not be unreasonably withheld.

     13. In the event VerticalNet does not surrender the 300 Chesterfield
Premises to Landlord on or before the 300 Chesterfield Termination Date,
VerticalNet shall pay Landlord for each month of such continued occupancy an
amount equal to (a) 150% of the monthly installment of Minimum Annual Rent for
December, 2002 under the 300 Chesterfield Lease, plus (b) 1/12 of Landlord's
then current estimate of Annual Operating Expenses for the 300 Chesterfield
Premises.

     14. The 400 Chesterfield Lease shall terminate on or before May 31, 2003
(the "400 Chesterfield Termination Date"). On or before the 400 Chesterfield
Termination Date, VerticalNet shall surrender the 400 Chesterfield Premises to
Landlord leaving same in the condition it is required to be surrendered under
the 400 Chesterfield Lease. Prior to the 400 Chesterfield Termination Date,
Landlord and VerticalNet shall jointly inspect the 400 Chesterfield Premises and
any deficiencies in such condition shall be repaired at VerticalNet's expense,
such obligation to survive the 400 Chesterfield Termination Date.

     15. VerticalNet shall comply with all of the terms and conditions of the
400 Chesterfield Lease through the 400 Chesterfield Termination Date, except
that VerticalNet shall have no obligation to pay Minimum Annual Rent or Annual
Operating Expenses for the period from January 1, 2003 through the 400
Chesterfield Termination Date. After the 400 Chesterfield Termination Date,
neither Landlord nor VerticalNet shall have any further rights or obligations
under the 400 Chesterfield Lease other than any obligations of Landlord and
VerticalNet which by their express terms survive the expiration or earlier
termination of the 400 Chesterfield Lease. There shall be no final
reconciliation of Operating Expenses for calendar year 2002.

                                       3

<PAGE>

     16. In the event VerticalNet does not surrender the 400 Chesterfield
Premises to Landlord on or before the 400 Chesterfield Termination Date,
VerticalNet shall pay Landlord for each month of such continued occupancy an
amount equal to (a) 150% of the monthly installment of Minimum Annual Rent for
December, 2002 under the 400 Chesterfield Lease, plus (b) 1/12 of Landlord's
then current estimate of Annual Operating Expenses for the 400 Chesterfield
Premises.

     17. Notwithstanding the provisions of paragraph 14 above, provided
VerticalNet is not then in default under the 400 Chesterfield Lease and this
Agreement, by written notice given to Landlord on or before March 31, 2003,
VerticalNet shall have the right to extend the 400 Chesterfield Termination Date
from June 1, 2003 through August 31, 2003 and on a quarterly basis thereafter
upon 60 days prior written notice, provided that in such event VerticalNet
shall, commencing June 1, 2003, resume payment of Minimum Annual Rent at the
rates provided for in the 400 Chesterfield Lease and Annual Operating Expenses
at Landlord's then current estimate thereof for the 400 Chesterfield Premises
and Landlord's obligation to return the Security Deposit (as defined in the 400
Chesterfield Lease) shall be extended until the date which is 30 days after the
extended 400 Chesterfield Termination Date.

     18. VerticalNet and Atlas acknowledge and agree that the Leases are in full
force and effect and they have no claims or offsets against Rent due or to
become due thereunder, except as expressly set forth in this Agreement.

     19. This Agreement shall be binding upon and inure to the benefit of the
parties and their respective successors and permitted assigns.

     20. Except as to the obligations to be performed under this Agreement,
VerticalNet, Atlas and Liberty do each hereby release and forever discharge each
other, and their subsidiaries, divisions, parents and affiliated corporations,
their directors, officers, shareholders, agents, employees, representatives,
consultants, attorneys, successors, heirs and assigns, of and from all claims,
demands, obligations, liabilities, damages, costs, fees, expenses, actions,
causes of action or suits at law or in equity of whatever kind or nature which
have arisen, are now arising, or hereafter may arise out of or in connection
with the Leases except for obligations and liabilities under the Leases which
are stated in the Leases to survive the termination thereof.

     21. This Agreement may be executed in counterparts, each of which shall be
deemed to constitute an original, but which, taken together, shall constitute
one complete Agreement.

                                       4

<PAGE>

          IN WITNESS WHEREOF, the parties have executed this Agreement as of the
day and year first above written.

                                   LANDLORD:
                                   LIBERTY PROPERTY LIMITED PARTNERSHIP

                                   By: Liberty Property Trust, Sole General
                                       Partner

                                       By: /s/ Ward J. Fitzgerald
                                           -------------------------------------
                                           Name: Ward J. Fitzgerald
                                           Title: Senior Vice President,
                                                  Regional Director

                                       VERTICALNET, INC.

                                       By: /s/ Nathanael V. Lentz
                                           -------------------------------------
                                           Name: Nathanael V. Lentz
                                           Title: CEO

                                       ATLAS COMMERCE, INC.

                                       By: /s/ Nathanael V. Lentz
                                           -------------------------------------
                                           Name: Nathanael V. Lentz
                                           Title: CEO

                                       5

<PAGE>

                                   EXHIBIT "A"

                         LIST OF CERTIFICATES OF DEPOSIT

Account Number   Issue Date   Maturity Date   Original Amount
--------------   ----------   -------------   ---------------
017-0001020       7/20/00        5/31/03        $ 57,252.64
017-0001021       7/20/00        5/31/04        $ 57,252.64
017-0001022       7/20/00        5/31/05        $ 57,252.64
017-0001023       7/20/00        5/31/06        $ 57,252.64
015-0000008       6/18/99        8/01/03        $244,052.20
015-0000009       6/18/99        8/01/04        $244,052.20

          According to the Bank, as of January 9, 2003, the aggregate principal
amount of the Certificates is $825,092.34 and there is capitalized interest on
the Certificates in the aggregate amount of $12,259.99 and accrued interest on
the Certificates in the aggregate amount of $6,310.71.

<PAGE>

                                   EXHIBIT "B"

                             FORM OF LETTER TO BANK

VIA FACSIMILE and OVERNIGHT MAIL

Comerica Bank
2701 Renaissance Boulevard
Suite 150
King of Prussia, PA  19406
Attn: Gwen Gale

          Re:  Liberty Property Limited Partnership - VerticalNet, Inc.

Dear Ms. Gale:

          We are the sole general partner of Liberty Property Limited
Partnership, which, as Agent or Escrow Agent for VerticalNet, Inc., is the
account holder of the following Certificates of Deposit originally issued by
Progress Bank:

Account Number   Issue Date   Maturity Date   Original Amount
--------------   ----------   -------------   ---------------
017-0001020       7/20/00        5/31/03        $ 57,252.64
017-0001021       7/20/00        5/31/04        $ 57,252.64
017-0001022       7/20/00        5/31/05        $ 57,252.64
017-0001023       7/20/00        5/31/06        $ 57,252.64
015-0000008       6/18/99        8/01/03        $244,052.20
015-0000009       6/18/99        8/01/04        $244,052.20

          Please be advised that the Lease between Liberty Property Limited
Partnership and VerticalNet has terminated and, accordingly, you are hereby
instructed to do the following with respect to the Certificates of Deposit:

          1. Change the Account Holder from "Liberty Property Limited
Partnership, Agent (or Escrow Agent) for VerticalNet, Inc." to "VerticalNet,
Inc."

          2. Change the address of the Account Holder to 400 Chesterfield
Parkway, Malvern, PA 19355.

          3. Keep the Tax Identification Number referred to in the Certificates
the same.

          Liberty Property Limited Partnership disclaims any interest in the
principal, capitalized interest and accrued interest of the above Certificates,
all of which shall be for the sole benefit of VerticalNet, Inc.

          Thank you for your cooperation. If you have any questions, please let
me know.

                                           Very truly tours.

                                           George J. Alburger, Jr.
                                           Executive Vice President, Chief
                                           Financial Officer

cc:  Richard W. Kessler, Esquire
     James Hughes, Esquire<PAGE>

                                                                    Exhibit 10.2

                                Letter Agreement

                                 March 20, 2003

Verticalnet, Inc.
Verticalnet Enterprises, LLC
400 Chester Field Parkway
Malvern, PA 19355

Dear Verticalnet:

          Reference is made to the Security Agreement dated February 28, 2002 by
and among Converge, LLC and Converge, Inc., Verticalnet, Inc. ("VNI") and
Verticalnet Enterprises, LLC ("VNE") (the "Security Agreement"), whereby
Converge, LLC granted VNI and VNE a subordinated security interest in certain
assets of Converge, LLC as described in the Security Agreement (the
"Collateral"). VNI and VNE are sometimes collectively referred to herein as
"Vert," and Converge, Inc. and Converge, LLC are sometimes collectively referred
to herein as "Converge."

          Converge has informed Vert that Converge intends to sell substantially
all the assets of Converge to PCG Trading, LLC, and in connection with such sale
transaction, PCG Trading, LLC and certain of its affiliates intend to enter into
a Credit and Security Agreement with Fleet Capital Corporation ("Fleet
Capital").

          As a condition to (a) the completion of the sale transaction to PCG
Trading and (b) the closing of the Fleet Capital credit facility (collectively,
the "Sale Transactions"), PCG Trading and Fleet Capital are requiring that
Vert's security interest and lien in the Collateral be released.

          In connection with the Sale Transactions and the subsequent
dissolution and winding up of Converge, Converge is also requesting the
termination of the following agreements on the terms set forth herein: (a) the
Amended and Restated Subscription License Agreement effective as of October 1,
2001, by and among VNI, VNE and Converge, as amended (the "Restated SLA"), and
(b) the Maintenance and Support Agreement effective as of October 1, 2001, by
and among VNI, VNE and Converge, as amended (the "Amended M&S Agreement").

          For good and valuable consideration which the parties hereby
acknowledge, VNI, VNE, Converge, Inc., Converge, LLC and PCG Trading, LLC hereby
agree as follows:

     1    (a) PCG Trading, LLC shall pay Vert $330,000, payable $33,000 per
month for ten consecutive months beginning April 1, 2003 and continuing on the
first day of each calendar month for the nine months thereafter, and Vert agrees
to assist in maintenance and support for its software installed at Converge
pursuant to the Restated SLA (the "Products") for the six month period following
the Effective Time at the resource level set forth in the Amended M&S Agreement.

          (b) PCG Trading LLC shall have the right to use the Products in
accordance with the terms and conditions set forth in the Restated SLA for a
term of six (6) months from the Effective Time, at which time such right shall
terminate (unless such right is extended upon the mutual agreement of the
parties). In the event PCG Trading LLC shall default in the payment when due of
any amount set forth herein, Vert shall have the right, but not the obligation,
to make a Vert Remedy Election, exercisable by delivering written notice thereof
to PCG Trading within 10 Business Days after the occurrence of such event of
default by PCG Trading. Upon the earlier occurrence of (i) a Vert Remedy
Election or (ii) the termination of the right to use the Products as set forth
above, (A) PCG Trading shall erase, destroy or return to Vert all Products,
copies of the Source Code of such Products, any Confidential Information of Vert
or any of the Vert Subsidiaries respecting such Source Code, and any and all
Confidential Information of or provided by Vert, and, upon Vert's written
request, PCG Trading shall certify its compliance with this Section in writing,
and (B) Vert shall cease performing any maintenance and support services.

<PAGE>

VerticalNet, Inc.
VerticalNet Enterprises, LLC
March   , 2003
      --
Page 2

All defined terms in this paragraph not otherwise defined in this Agreement
shall have the meanings set forth in the Restated SLA.

          2. The Security Agreement, the Restated SLA and the Amended M&S
Agreement shall be deemed terminated immediately preceding the consummation of
the Sale Transactions (the "Effective Time"). For purposes of clarity, this
Agreement shall not be effective (and the Security Agreement, the Restated SLA
and the Amended M&S Agreement shall remain in full force and effect) unless each
of the transactions comprising the Sale Transactions as contemplated on the date
hereof are consummated. Nothing set forth herein will relieve either Vert or
Converge from those provisions of the Restated SLA and the Amended M&S Agreement
that explicitly survive termination of the Restated SLA and the Amended M&S
Agreement and each party will comply with its obligations that are to survive
upon termination the Restated SLA and the Amended M&S Agreement, other than
those provisions in said agreements which provide for further payment of fees
for goods or services to Vert (including Section 4.1 and 4.2 of the Amended M&S
Agreement) which shall be deemed terminated.

          3. There shall be no further obligations of Converge, Inc., Converge,
LLC or their respective affiliates under the Security Agreement, the Restated
SLA or the Amended M&S Agreement as of and following the Effective Time.

          4. There shall be no further obligations of Vert or either of their
respective affiliates under the Restated SLA or the Amended M&S Agreement as of,
and following, the Effective Time.

          5. Subject to Section 2 of this Agreement, the security interest/lien
of Vert in the Collateral or in any other assets of Converge, Inc., Converge,
LLC or its affiliates shall be released and terminated as of the Effective Time.

          6. Converge is hereby authorized to file Uniform Commercial Code
financing statement terminations with respect to the Uniform Commercial Code
financing statement(s) filed in favor of VNI and VNE with respect to the
security interest and lien of VNI and VNE pursuant to the Security Agreement.

          7. Any and all such terminations and lien release documents shall be
prepared by or on behalf of Converge at Converge's expense.

          8. VNI and VNE confirm that they have not previously assigned their
rights or obligations under the Security Agreement, the Restated SLA or the
Amended M&S Agreement, and have the right to enter into this Agreement.

          9. Converge, Inc. and Converge, LLC confirm that they have not
previously assigned their rights or obligations under the Security Agreement,
the Restated SLA or the Amended M&S Agreement, and have the right to enter into
this Agreement.

          10. This Agreement shall be binding upon and inure to the benefit of
each party's successors and assigns.

          11. This Agreement shall be governed by the laws of the Commonwealth
of Pennsylvania as applied to agreements entered into and to be performed
entirely within Pennsylvania between Pennsylvania residents, excluding its
conflicts of law provisions.

          12. This Agreement may be executed in one or more counterparts, each
of which shall be deemed an original and all of which together shall constitute
one and the same instrument. A facsimile copy of this Agreement, including the
signature pages hereto, shall be deemed an original.

<PAGE>

VerticalNet, Inc.
VerticalNet Enterprises, LLC
March   , 2003
      --
Page 3

     This Agreement is acknowledged and agreed to by the undersigned as of the
date first written above:

CONVERGE, INC.

By: /s/ Robert R. Lewis
    -------------------------------
Name: Robert R. Lewis
Title: Chairman of the Board

CONVERGE, LLC

By: /s/ Frank A. Cavallaro
    -------------------------------
Name: Frank A. Cavallaro
Title: COO

PCG TRADING, LLC

By: /s/ Joel Goldberg
    -------------------------------
Name: Joel Goldberg
Title: Secretary

VERTICALNET, INC.

By: /s/ Nathanael V. Lentz
    -------------------------------
Name: Nathanael V. Lentz
Title: President and CEO

VERTICALNET ENTERPRISES, LLC

By: /s/ Nathanael V. Lentz
    -------------------------------
Name: Nathanael V. Lentz
Title: President and CEO

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