Document:

<PAGE>
                                                                 Exhibit 10.1(b)

                           SECOND AMENDMENT TO LEASE
                                 (8383 Wilshire)

        THIS SECOND AMENDMENT TO LEASE ("Second Amendment") is made and entered
into as of the 16th day of January, 2003 (the "Effective Date"), by and between
ARDEN REALTY LIMITED PARTNERSHIP, a Maryland limited partnership ("Landlord"),
and MATCHNET .PLC, a public limited company organized and existing under the
laws of England and qualified to do business in California ("Tenant").

                                    RECITALS

        A. Landlord and Tenant entered into that certain Standard Office Lease,
dated as of September 1, 2000, as amended by that certain First Amendment to
Standard Office Lease, dated as of September 5, 2000 (as so amended, the
"Lease"), whereby Landlord leased to Tenant and Tenant leased from Landlord
certain office space in that certain building located and addressed at 8383
Wilshire Boulevard, Beverly Hills, California (the "Building").

        B. By this Second Amendment, Landlord and Tenant desire to substitute
the New Premises for the Existing Premises (as those terms are hereinafter
defined), to extend the Term, and to otherwise modify the Lease as provided
herein.

        C. Unless otherwise defined herein, capitalized terms as used herein
shall have the same meanings as given thereto in the Lease.

        NOW, THEREFORE, in consideration of the foregoing recitals and the
mutual covenants contained herein, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereto hereby agree as follows:

                                    AGREEMENT

        1. Existing Premises; New Premises. Landlord and Tenant hereby agree
that pursuant to the Lease, Landlord currently leases to Tenant and Tenant
currently leases from Landlord that certain office space in the Building
containing 6,516 rentable square feet located on the ground floor of the
Building and known as Suite 104 (the "Existing Premises"), as outlined on
Exhibit A to the Lease. As of the earlier of (i) Tenant's Substantial Completion
of the Improvements in the New Premises, and (ii) April 1, 2003 (the "New
Premises Commencement Date"); Landlord shall lease to Tenant and Tenant shall
lease from Landlord that

                                                                     /s/ VC
                                                                     ------
                                                                      L.I.

                                                                     /s/ JS
                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]
<PAGE>
certain office space in the Building containing 12,711 rentable square feet
located on the eighth (8th) floor of the Building, currently known as Suite 800,
as outlined on Exhibit "A" attached hereto and made a part hereof. For purposes
of this Second Amendment, "Substantial Completion of the Improvements" shall
occur upon the completion of construction of the improvements to be constructed
by Tenant in the New Premises pursuant to approved plans and specifications in
accordance with the terms of the Lease, with the exception of any punch list
items and any fixtures, furniture or equipment to be installed by Tenant.
Landlord's delivery of the New Premises on the New Premises Commencement Date
shall be subject to and conditioned on Tenant's vacation and return of exclusive
possession of the Existing Premises to Landlord on or before March 31, 2003, in
good and broom clean condition, including, without limitation, with all
necessary repairs completed to the Existing Premises and the systems therein
necessitated by Tenant's removal of the Supplemental HVAC system (as provided in
Section 5 below). The parties acknowledge and agree that notwithstanding
anything to the contrary contained in Article 29 of the Lease, Tenant shall have
no obligation to remove the affixed partitioning or any telephone or data
cabling currently existing in the Existing Premises. In the event Tenant does
not comply with the terms of the foregoing, Tenant shall become a tenant at
sufferance during Tenant's holdover of the Existing Premises and shall be
responsible for holdover rent and any costs or damages incurred by Landlord
resulting in connection therewith in accordance with the Lease. All references
in the Lease to the "Premises" shall mean and thereafter refer to the New
Premises, as herein defined.

        2. Extended Term. The Term shall be extended such that the Lease shall
terminate on July 31, 2006 ("New Termination Date"). The period from the New
Premises Commencement Date through the New Termination Date specified in the
sentence above, shall be referred to herein as the "Extended Term." Tenant shall
continue to have the right to extend the Lease with respect to the New Premises
in accordance with and subject to the terms of Article 31 of the Lease.

        3. Monthly Basic Rental. Notwithstanding anything to the contrary in the
Lease, during the Extended Term, Tenant shall pay, in accordance with the
provisions of Article 3 of the Lease, as amended by this Section 3, Monthly
Basic Rental for the New Premises as follows:

                                       2

                                                                     /s/ VC
                                                                     ------
                                                                      L.I.

                                                                     /s/ JS
                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

<PAGE>
<TABLE>
<CAPTION>
                                                       Monthly Basic Rental per
Extended Term               Monthly Basic Rental         Rentable Square Foot
-------------               --------------------       ------------------------
<S>                         <C>                        <C>
New Premises
Commencement
Date - Month 12                 $26,057.55                     $2.05

Months 13 - 24                  $26,820.21                     $2.11

Months 25 - 36                  $27,582.87                     $2.17

Month 37 - New
Termination Date                $28,472.64                     $2.24
</TABLE>

Tenant shall pay to Landlord the first month's Basic Rental, or $26,057.55,
concurrently with Tenant's execution of this Second Amendment.

        4. Base Year and Tenant's Proportionate Share. The Base Year shall be
modified to refer to the calendar year 2003, and Tenant's Proportionate Share
shall be amended to be 3.05%.

        5. Condition of the New Premises. Tenant hereby agrees to accept the New
Premises in its "as-is, where-is" condition and Tenant hereby acknowledges that
Landlord shall not be obligated to provide or pay for any improvement work or
services related to the improvement of the New Premises. Tenant also
acknowledges that Landlord has made no representation or warranty regarding the
condition of the New Premises. Notwithstanding the foregoing, Tenant shall have
the right to remove the supplemental heating, ventilation and air conditioning
("HVAC") system currently serving the Existing Premises, and to install same in
the New Premises, using authorized personnel and subject to plans and
specifications approved by Landlord, both in Landlord's sole discretion, and in
accordance with the terms of the Lease regarding same, including, without
limitation, Articles 9 and 10 thereof.

        6. Parking. Notwithstanding anything to the contrary contained in the
Lease, Tenant shall rent thirty-two (32) unreserved parking passes in the
Building's parking facility during the Extended Term in accordance with and
subject to the terms of Article 23 of the Lease, provided that the rates
applicable to such parking passes shall be the prevailing rates charged by
Landlord

                                       3

                                                                     /s/ VC
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                                                                      L.I.

                                                                     /s/ JS
                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

<PAGE>
for such passes from time to time, which rates are currently $110.00 per
unreserved parking pass per month, plus any applicable parking taxes thereon.

        7. Security Deposit. Tenant has previously deposited with Landlord
Seventeen Thousand Five Hundred Twenty-Eight and 04/100 Dollars ($17,528.04) as
a Security Deposit under the Lease. Provided that Tenant is not in default under
the Lease, Landlord shall apply the existing Security Deposit to the amount owed
hereunder, whereby Tenant shall be obligated to pay the balance, or Ten Thousand
Fifty-Four and 83/100 Dollars ($10,054.83), to Landlord concurrently with
Tenant's execution of this Second Amendment, for a total Security Deposit of
Twenty Seven Thousand Five Hundred Eighty-Two and 87/100 Dollars ($27,582.87).
Landlord shall continue to hold the Security Deposit, as increased herein, in
accordance with the terms and conditions of Article 4 of the Lease.

        8. Notice of Lease Term Dates. Upon Landlord's request, Tenant agrees to
execute and deliver a commencement letter in a form substantially similar to
that attached hereto as Exhibit "B" after the New Premises Commencement Date.

        9. Brokers. Notwithstanding anything to the contrary contained in the
Lease, each party represents and warrants to the other that no broker, agent or
finder negotiated or was instrumental in negotiating or consummating this Second
Amendment. Each party further agrees to defend, indemnify and hold harmless the
other party from and against any claim for commission or finder's fee by any
entity that claims or alleges that they are entitled to a commission based on
the acts of the indemnifying party.

        10. Defaults. Tenant hereby represents and warrants to Landlord that, as
of the date of this Second Amendment, Tenant is in full compliance with all
terms, covenants and conditions of the Lease and that there are no breaches or
defaults under the Lease by Landlord or Tenant, and that Tenant knows of no
events or circumstances which, given the passage of time or notice or both,
would constitute a default under the Lease by either Landlord or Tenant.

        11. WAIVER OF JURY TRIAL. EACH PARTY HEREBY WAIVES ANY RIGHT TO TRIAL BY
JURY IN ANY ACTION SEEKING SPECIFIC PERFORMANCE OF ANY PROVISION OF THE LEASE
(AS AMENDED BY THIS SECOND AMENDMENT), FOR DAMAGES FOR ANY BREACH UNDER THE
LEASE (AS AMENDED BY THIS SECOND AMENDMENT); OR OTHERWISE FOR ENFORCEMENT OF ANY
RIGHT OR REMEDY UNDER THE LEASE (AS AMENDED BY THIS SECOND AMENDMENT).

                                       4

                                                                     /s/ VC
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                                                                      L.I.

                                                                     /s/ JS
                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

<PAGE>
        12. No Further Modification. Article 32 and Exhibit "D" are void and of
no force and effect. Except asset forth in this Second Amendment, all of the
terms and provisions of the Lease shall apply during the Extension Term and
shall remain unmodified and in full force and effect. Effective as of the date
hereof, all references to the "Lease" shall refer to the Lease, as amended by
this Second Amendment.

        IN WITNESS WHEREOF, this Second Amendment has been executed as of the
day and year first above written.

"LANDLORD"

ARDEN REALTY .LIMITED PARTNERSHIP,
a Maryland limited partnership

By:     ARDEN REALTY, INC.,
        a Maryland corporation
        Its: Sole General Partner

        By:  /s/ Victor J. Coleman
             -------------------------------
             VICTOR J. COLEMAN
             Its:  President and COO

        By:  /s/ Robert C. Peddicord
             -------------------------------
             Its:  Senior Vice President
                   Leasing and Operations

"TENANT"

MATCHNET PLC,
a public limited company organized and existing under the laws of England

By:.      /s/ Joe Shapira
     ---------------------------
     Its: CEO
          ----------------------

By.
     ---------------------------
     Its:
         -----------------------

                                       5

                                                                     /s/ VC
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                                                                      L.I.

                                                                     /s/ JS
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                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

<PAGE>

                                   EXHIBIT "A"

                                  NEW PREMISES

                                                                     ------
                                                                      L.I.

                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

<PAGE>

                            [Diagram of New Premises]

<PAGE>

                                   EXHIBIT "B"

                           NOTICE OF LEASE TERM DATES

TO:                                                  DATE:              , 200
    --------------------------------------                --------------     --

    --------------------------------------
    Attention:
              ----------------------------

RE:     Second Amendment dated January 16, 2003, between ARDEN REALTY LIMITED
        PARTNERSHIP, a Maryland limited partnership ("Landlord"), and MATCHNET
        PLC ("Tenant"), concerning Suite 800 located at 8383 Wilshire Boulevard,
        Beverly Hills, California.

Dear Mr. [or Ms.]                   :
                  ------------------

        In accordance with the Second Amendment, Landlord wishes to advise
and/or conform the following:

        1. That the Tenant has surrendered Suite 104 and is now in possession of
the New Premises and acknowledges that under the provisions of the Second
Amendment, the New Premises Extended Term of Tenant's lease of the Premises
commenced as of , 2003 for a term of __________ (_______) years ending on
______________, 2006.

        2. That in accordance with the Second Amendment, Monthly Basic Rental
for the New Premises Extended Term commenced to accrue on ______________, 2006.

        3. The exact number of rentable square feet within the Premises is
12,711 square feet.

AGREED AND ACCEPTED:

TENANT:

MATCHNET PLC,
a public limited company organized and existing under the laws of England

By:
    -------------------------
Its:
    -------------------------

By:
    -------------------------
Its:
    -------------------------

                                                                     ------
                                                                      L.I.

                                                                     ------
                                                                      T.I.

                                                                  8383 WILSHIRE
                                                                  [MatchNet PLC]

                                       1<PAGE>
                                                                 Exhibit 10.1(c)

                            THIRD AMENDMENT TO LEASE
                            (8383 WILSHIRE BOULEVARD)

        THIS THIRD AMENDMENT TO LEASE ("THIRD AMENDMENT") is made and entered
into as of the 30d' day of October, 2003, by and between ARDEN REALTY LIMITED
PARTNERSHIP, a Maryland limited partnership ("LANDLORD") and MATCHNET PLC, a
public limited company organized and existing under the laws of England and
qualified to do business in California ("TENANT").

                                R E C I T A L S:

        A. Landlord and Tenant entered into that certain Standard Office Lease
dated as of September 1, 2000 (the "ORIGINAL LEASE"), as amended by that certain
First Amendment to Lease dated as of September 5, 2000 (the "FIRST AMENDMENT"),
as amended by that certain Second Amendment to Lease dated as of January 16,
2003 (the "SECOND AMENDMENT"), whereby Tenant leases certain office space in
that certain building located and addressed at 8383 Wilshire Boulevard, Beverly
Hills, California (the "BUILDING"). The Original Lease, as amended by the First
Amendment and Second Amendment, is herein referred to, collectively, as the
"LEASE".

        B. By this Third Amendment, Landlord and Tenant desire to expand
Tenant's occupancy within the Building, and to otherwise modify the Lease as
provided herein.

        C. Unless otherwise defined herein, capitalized terms as used herein
shall have the meanings given thereto in the Lease.

        NOW, THEREFORE, in consideration of the foregoing recitals and the
mutual covenants contained herein, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereto hereby agree as follows:

                               A G R E E M E N T:

        1. Existing Premises. Landlord and Tenant hereby acknowledge that
pursuant to the Lease, Landlord currently lease to Tenant that certain office
space in the Building containing 12,711 rentable square feet located on the
eighth (8th) floor of the Building and known as Suite 800 (the "EXISTING
PREMISES"), as outlined on Exhibit "A" to the Second Amendment.

        2. Expansion Space. That certain space located on the eighth (8th) floor
of the Building known as Suites 809 and 810 outlined on the floor plan attached
hereto as Exhibit "A," shall be referred to herein, collectively, as the
"EXPANSION SPACE." Landlord and Tenant hereby stipulate that the Expansion Space
contains 12,244 rentable square feet. Tenant shall commence to pay charges
pursuant to the Lease, as hereby amended, effective as of August 1, 2004
("EXPANSION COMMENCEMENT DATE"). The addition of the Expansion Space to the
Existing Premises shall, effective as of the Expansion Commencement Date,
increase the number of rentable square feet leased by Tenant in the Building to
a total of 24,955 rentable square feet. Effective as of the Expansion
Commencement Date, all references to the "Premises" shall mean and refer to the
Existing Premises as expanded by the Expansion Space.

        3. Term and Monthly Basic Rental for the Expansion Space. The Term for
Tenant's lease of the Expansion Space ("EXPANSION SPACE TERM") shall commence on
the Expansion Commencement Date and shall expire co-terminous with Tenant's
lease of the Existing Premises on July 31, 2006. During the Expansion Space
Term, Tenant shall pay in accordance with the provisions of this Section 3 and
the applicable provisions of the Lease, Monthly Basic Rental for the Expansion
Space as follows:

                                                                Initials: /s/ JS
                                                                          ------
                                                                          ------

<PAGE>
<TABLE>
<CAPTION>
                                                             MONTHLY BASIC RENTAL
                                                             PER RENTABLE SQUARE
             PERIOD                 MONTHLY BASIC RENTAL             FOOT
             ------                 --------------------     --------------------
<S>                                 <C>                      <C>
August 1, 2004 - July 31, 2004           $21,427.00                 $1.75

August 1, 2005 - July 31, 2006           $22,039.20                 $1.80
</TABLE>

        4. Tenant's Proportionate Share and Base Year. Notwithstanding anything
to the contrary in the Lease, during the Expansion Space Term, (i) Tenant's
Proportionate Share of any increase in Operating Costs for the Expansion Space
only shall be 2.84%; and (ii) the Base Year for the Expansion Space only shall
be the calendar year 2004.

        5. Condition of the Expansion Space. Tenant hereby agrees to accept the
Expansion Space in its "as-is" condition and Tenant hereby acknowledges that
Landlord shall not be obligated to provide or pay for any other work or services
related to the improvement of the Expansion Space. Tenant also acknowledges that
Landlord has made no representation or warranty regarding the condition of the
Expansion Space.

        6. Security Deposit. Tenant has previously deposited with Landlord
Twenty-Seven Thousand Five Hundred Eighty-Two and 27/100 Dollars ($27,582.27) as
a Security Deposit under the Lease. Concurrently with Tenant's execution of this
Third Amendment, Tenant shall deposit with Landlord an additional Twenty-Two
Thousand Thirty-Nine and 20/100 Dollars ($22,039.20), for a total Security
Deposit under the Lease, as amended herein, of Forty-Nine Thousand Six Hundred
Twenty-One and 47/100 Dollars ($49,621.47). Landlord shall continue to hold the
Security Deposit, as increased herein, in accordance with the terms and
conditions of Article 4 of the Original Lease.

        7. Parking. Effective as of the Expansion Commencement Date and
continuing throughout the Expansion Space Term, Tenant shall have the right, but
not the obligation, to rent from Landlord up to an additional thirty-six (36)
unreserved parking passes for use in the Building's parking facility. Tenant's
rental and use of such additional parking passes shall be in accordance with,
and subject to, all provisions of Article 23 of the Original Lease including,
without limitation, payment of the monthly parking rate specified therein. In
addition, lines 1-3 of Paragraph 6 of the Second Amendment is hereby deleted in
its entirety and replaced with the following: "Notwithstanding anything to the
contrary contained in the Lease, Tenant shall rent thirty-eight (38) unreserved
parking passes in the Building's parking facility during the Extended Term in
accordance with and subject to the terms of Article 23 of the Lease...".

        8. Brokers. Each party represents and warrants to the other that no
broker, agent or finder negotiated or was instrumental in negotiating or
consummating this Third Amendment. Each patty further agrees to defend,
indemnify and hold harmless the other party from and against any claim for
commission or finder's fee by any entity who claims or alleges that they were
retained or engaged by such party in connection with this Third Amendment.

        9. Defaults. Tenant hereby represents and warrants to Landlord that; as
of the date of this Third Amendment, Tenant is in full compliance with all
terms, covenants and conditions of the Lease and that there are no breaches or
defaults under the Lease by Landlord or Tenant, and that Tenant knows of no
events or circumstances which, given the passage of time, would constitute a
default under the Lease by either Landlord or Tenant.

        10. WAIVER OF JURY TRIAL. EACH PARTY HEREBY WAIVES ANY RIGHT TO TRIAL BY
JURY IN ANY ACTION SEEKING SPECIFIC PERFORMANCE OF ANY PROVISION OF THE LEASE,
FOR DAMAGES FOR ANY BREACH UNDER THE LEASE, OR OTHERWISE FOR ENFORCEMENT OF ANY
RIGHT OR REMEDY UNDER THE LEASE.

        11. No Further Modification. Except as set forth in this Third
Amendment, all of the terms and provisions of the Lease shall apply with respect
to the Expansion Space and shall

                                        2
                                                                Initials: /s/ JS
                                                                          ------
                                                                          ------
<PAGE>
remain unmodified and in full force and effect. Effective as of the Expansion
Commencement Date, all references to the "Lease" shall refer to the Lease as
amended by this Third Amendment.

        IN WITNESS WHEREOF, this Third Amendment has been executed as of the day
and year first above written.

                                    "LANDLORD":

                                    ARDEN REALTY .LIMITED PARTNERSHIP,
                                    a Maryland limited partnership

                                    By:  ARDEN REALTY, INC.,
                                         a Maryland corporation
                                         Its: Sole General Partner

                                         By: /s/  Robert C. Peddicord
                                             ----------------------------
                                             Its: Senior Vice President,
                                                  Leasing and Operations
                                                  -----------------------

                                    "TENANT":

                                    MATCHNET, PLC,
                                    a public limited company organized and
                                    existing under the laws of England and
                                    qualified to do business in California

                                    By:  /s/  Joe Shapira
                                         -----------------------------------
                                    Print Name: Joe Shapira
                                                ----------------------------
                                         Its:   CEO
                                                ----------------------------
                                    By:
                                         -----------------------------------
                                    Print Name:
                                                ----------------------------
                                         Its:
                                                ----------------------------

                                        3
                                                                Initials: /s/ JS
                                                                          ------
                                                                          ------

<PAGE>

                                   EXHIBIT "A"

                           OUTLINE OF EXPANSION SPACE

                          [Diagram of Expansion Space]

                              EXHIBIT "A" -- Page 1
                                                                Initials:
                                                                          ------
                                                                          ------

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