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EXHIBIT 4

Material
agreements (incorporated by reference to Exhibits 10.1  10.49 to our Amendment No. 1 to
Registration Statement on Form F-1, no. 333-108770).

|ExhibitNumber |  | Exhibit Description
|------------- |  | -------------------

|10.1 |  | Original
Section 102 Share Option Plan of the Registrant.**
|---- | - | -----------------------------------------------------------

|10.2 |  | Stock
Compensation Program and Stock Award Agreement of OTI America, Inc.*
|---- | - | --------------------------------------------------------------------------

|10.3 |  | Employment
Agreement, dated as of July 1, 1999, by and between Oded Bashan and the Registrant. **
|---- | - | -------------------------------------------------------------------------------------------------

|10.4 |  | Employment
Agreement, dated as of July 1, 1999, by and between Ronnie Gilboa and the Registrant. **
|---- | - | ---------------------------------------------------------------------------------------------------

|10.5 |  | Employment
Agreement, dated as of June 4, 2000, by and between Guy Shafran and the Registrant. **
|---- | - | -------------------------------------------------------------------------------------------------

|10.6 |  | Employment
Agreement, dated as of July 1, 1999, by and between Moshe Aduk and the Registrant. **
|---- | - | ------------------------------------------------------------------------------------------------

|10.7 |  | Employment
Agreement, dated as of July 1, 1999, by and between Nehemya Itay and the Registrant. **
|---- | - | --------------------------------------------------------------------------------------------------

|10.8 |  | Employment
Agreement, dated as of August 23, 1998, by and between Ohad Bashan and OTI America, Inc.
**
|---- | - | ------------------------------------------------------------------------------------------------------

|10.9 |  | PC
3 SCOS License Agreement, dated as of July 3, 1995, by and between Personal Computer Card
Corporation and the Registrant, as amended on November 1, 1997, August 24, 1998 and March
17, 1999, and extended by letter agreement dated September 12, 2000. **
|---- | - | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.10 |  | Software
Escrow Agreement, dated as of March 16, 1999, by and among Personal Cipher Card
Corporation, Fort Knox Escrow Services, Inc. and OTI America, Inc. **
|----- | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.11 |  | License
and Cooperation Agreement, dated as of May 18, 1998, between Samsung Electronics Co. Ltd.
and          the Registrant.**
|----- | - | --------------------------------------------------------------------------------------------------------------------------------

|10.12 |  | Acquisition
Agreement, dated as of December 29, 1999, by and among City Smart Ltd., Wong Ching Shan,
         City Smart (Australia) PTY Ltd. and the Registrant.**
|----- | - | -------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.13 |  | Shareholders
Agreement, dated as of February 2, 2000, by and among Ocean Wonder Ltd., Sailor Group
Ltd.,          Cheung Kong Infrastructure Holdings Ltd. and the Registrant.*
|----- | - | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.14 |  | Acquisition
Agreement, dated as of January 28, 2000, by and among Softchip Israel Ltd., Softchip
         Technologies (3000) Ltd., Yael Cohen, Michael Cohen and the Registrant.**
|----- | - | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.15 |  | Acquisition
Agreement, dated as of June 15, 2000, by and among Manfred Weise, Dennis Robert Weise,
Patrick Norbert Weise, a civil partnership and the Registrant. **
|----- | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.16 |  | Put
Option Agreement, dated as of June 15, 2000, by and among Manfred Weise, Dennis Robert
Weise, Patrick Norbert Weise, a civil partnership and the Registrant.**
|----- | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.17 |  | Call
Option Agreement, dated as of June 15, 2000, by and among Manfred Weise, Dennis Robert
Weise, Patrick Norbert Weise, a civil partnership and the Registrant. **
|----- | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.18 |  | Share
Pledge Agreement, dated as of June 15, 2000, by and among Manfred Weise, Dennis Robert
Weise, Patrick Norbert Weise, a civil partnership and the Registrant. **
|----- | - | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.19 |  | Escrow
Agreement with Respect to the Share Purchase Agreement, dated as of June 15, 2000, by and
among Manfred Weise, Dennis Robert Weise, Patrick Norbert Weise, a civil partnership and
the Registrant. **
|----- | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.20 |  | Escrow
Agreement with Respect to the Option Agreements, dated as of June 15, 2000, by and among
Manfred Weise, Dennis Robert Weise, Patrick Norbert Weise, a civil partnership and the
Registrant. **
|----- | - | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.21 |  | General
Term and Conditions of Sale of OTI.*
|----- | - | --------------------------------------------

|10.22 |  | Lease,
dated as of June 27, 1995, by and between the Israel Lands Authority and the Registrant.
**
|----- | - | --------------------------------------------------------------------------------------------------

|10.23 |  | Development
Agreement, dated as of December 7, 1998, by and between the Israel Lands Authority and
the Registrant.**
|----- | - | --------------------------------------------------------------------------------------------------------------------

|10.24 |  | Distribution
agreement, dated as of February 2, 2000, between e-Smart System Inc. (formerly Sailor
Group Limited) and the Registrant.*
|----- | - | --------------------------------------------------------------------------------------------------------------------------------------

|10.25 |  | 2001
Employee Share Purchase Plan of the Registrant.*
|----- | - | -----------------------------------------------------

|10.26 |  | 2001
Share Option Plan of the Registrant.*
|----- | - | ------------------------------------------

|10.27 |  | Amendment
dated September 20, 2001 to Put Option Agreement, dated as of June 15, 2000, by and among
Manfred Weise, Dennis Robert Weise, Patrick Norbert Weise, a civil partnership,
and the Registrant. **
|----- | - | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.28 |  | Consulting
Agreement dated as of March, 2002 between the Registrant and Dionysos Investments Ltd.**
|----- | - | ---------------------------------------------------------------------------------------------------

|10.29 |  | Long
Term Lease Agreement, dated as of March 6, 2002 by and between the Israel Lands Authority
and the Registrant.*
|----- | - | -------------------------------------------------------------------------------------------------------------------

|10.30 |  | Non-Exclusive
Financial Advisor Agreement, dated as of June 18, 2002, between Broadband Capital Management
LLC and the Registrant.**
|----- | - | ------------------------------------------------------------------------------------------------------------------------------------

|10.31 |  | Consulting
Agreement, dated May 14, 2002 between Rockwood, Inc. and the Registrant.**
|----- | - | -------------------------------------------------------------------------------------

77

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|ExhibitNumber |  | Exhibit Description
|------------- |  | -------------------

|10.32 |  | Application
to Approve a Trustee for an Option Plan pursuant to Section 102 of the Income Tax
Ordinance; and Deed of Trust. **
|----- | - | ------------------------------------------------------------------------------------------------------------------------------

|10.33 |  | Agreement
Relating to Termination of Certain Business Contacts, dated as of June 22, 2002 between
E-Smart System Inc. and the Registrant.**
|----- | - | -------------------------------------------------------------------------------------------------------------------------------------------

|10.34 |  | Subscription
Agreement (for 50,000 shares), dated as of June 27, 2003, by and between Goldstrand
Investment Inc. and the Registrant. ***
|----- | - | ----------------------------------------------------------------------------------------------------------------------------------------

|10.35 |  | Subscription
Agreement (for Additional 100,000 shares subject to the effectiveness of the registration
statement), dated as of June 27, 2003, by and between Goldstrand Investment Inc. and the
Registrant. ***
|----- | - | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.36 |  | Agreement
and Amendment, dated as of September 4, 2003, by and among Goldstrand Investment Inc.,
Seth           Fireman and the Registrant. ***
|----- | - | -----------------------------------------------------------------------------------------------------------------------------------------------

|10.37 |  | Registration
Rights Agreement, dated June 27, 2003 by and between Goldstrand Investments Inc. and the
          Registrant. ***
|----- | - | -------------------------------------------------------------------------------------------------------------------------------

|10.38 |  | Warrant,
dated as of July 14, 2003, for the benefit of Goldstrand Investment Inc. ***
|----- | - | -------------------------------------------------------------------------------------

|10.39 |  | Irrevocable
Proxy, dated as of June 27, 2003, for the benefit of Oded Bashan. ***
|----- | - | ---------------------------------------------------------------------------------

|10.40 |  | Stock
and Warrant Purchase Agreement, dated as of July 10, 2003, by and between Herald
Investment Trust PLC and the Registrant. ***
|----- | - | -----------------------------------------------------------------------------------------------------------------------------------

|10.41 |  | Subscription
Agreement, ,dated as of July 10,, 2003 by and between Herald Investment Trust PLC and the
Registrant. ***
|----- | - | ----------------------------------------------------------------------------------------------------------------------

|10.42 |  | Registration
Rights Agreement, dated as of July 10, 2003, by and between Herald Investment Trust PLC
and the Registrant. ***
|----- | - | ----------------------------------------------------------------------------------------------------------------------------

|10.43 |  | Warrant,
dated as of July 10, 2003, for the benefit of Herald Investment Trust PLC. ***
|----- | - | ---------------------------------------------------------------------------------------

|10.44 |  | Financial
Advisor Agreement, dated as of July 11, 2003 by and between Sands Brothers International
Ltd. and the Registrant. ***
|----- | - | -------------------------------------------------------------------------------------------------------------------------------

|10.45 |  | Warrant,
dated as of July 11, 2003, for the benefit of Sands Brothers International Ltd. ***
|----- | - | --------------------------------------------------------------------------------------------

|10.46 |  | Warrant,
dated as of July 11, 2003, for the benefit of Sands Brothers International Ltd. ***
|----- | - | --------------------------------------------------------------------------------------------

|10.47 |  | Warrant,
dated as of July 11, 2003, for the benefit of Alpine Capital Partners, Inc. ***
|----- | - | ----------------------------------------------------------------------------------------

|10.48 |  | Note
and Warrant Purchase Agreement dated September 8, 2003, among Platinum Partners Value
Arbitrage           Fund, Platinum Global Macro Fund, West End Convertible Fund L.P., WEC
Partners LLC, and Michael H. Weiss           and the Registrant. ***
|----- | - | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10.49 |  | Agreement
and Amendment, dated as of September 24, 2003, among Platinum Partners Value Arbitrage
Fund, Platinum Global Macro Fund, West End Convertible Fund L.P., WEC Partners LLC, and
Michael H. Weiss and the Registrant. ****
|----- | - | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

78

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| |  | Portions
of this Exhibit were omitted and have been filed separately with the Secretary of the
Commission pursuant to the Registrants application requesting confidential
treatment under Rule 406 of the Securities Act, filed on September 19, 2000 and
supplemented on March 27, 2001.
|- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|* |  | Previously
filed with the Companys Registration Statement on Form F-1, filed on June 14, 2002.
|- |  | -----------------------------------------------------------------------------------------------

|** |  | Previously
filed with an amendment to the Companys  Registration Statement on Form F-1,
filed on September 11, 2002.
|-- |  | ---------------------------------------------------------------------------------------------------------------------

|*** |  | Previously
filed with the Companys Registration Statement on Form F-1, filed on September 12,
2003.
|--- |  | ----------------------------------------------------------------------------------------------------

|**** |  | Previously
filed with an amendment to the Companys Registration Statement on Form F-1, filed
on November 24, 2003.
|---- |  | -------------------------------------------------------------------------------------------------------------------

79

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