Common use of RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE Clause in Contracts

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ Executed at:___________________________ on:__________________________________ on:____________________________________ By LESSOR: LEE XX XXXN XXX By LESSEE: MACHONE COMMUNICATIONS, INC. a California Corporation _____________________________________ _______________________________________ _____________________________________ _______________________________________ By: /s/ LEE XX XXXN XXX By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ Name Printed:________________________ Name Printed:__________________________ Title:_______________________________ Title:_________________________________

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties Parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ : Ontario, California Executed at:___________________________ : Riverside, California ------------------------ -------------------------- on:__________________________________ : 2/23/99 on:____________________________________ By : 2/3/99 --------------------------------- -------------------------- by LESSOR: LEE XX XXXN XXX By by LESSEE: MACHONE COMMUNICATIONSLDT Company, INC. a California Corporation _____________________________________ _______________________________________ _____________________________________ _______________________________________ Carox X. Xxxxxx, Biker's Dream International ------------------------------------- --------------------------------------- Davix Xxxxxx xxx Tim Xxxxxx xx ------------------------------------- --------------------------------------- Partners ------------------------------------- --------------------------------------- By: /s/ LEE XX XXXN XXX Tim Xxxxxx By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ H. Rxxxxxxx /x/ Ann Xxxx ------------------------------------- --------------------------------------- Name Printed:________________________ : Tim Xxxxxx Name Printed:__________________________ : H. Rxxxxxxx, Xxne Xxxx ----------------------- ------------------------- Title:_______________________________ : Managing Partner Title:_________________________________: President Corporate Secretary ------------------------------ -------------------------------- By: By: Name Printed: Carox X. Xxxxxx Name Printed: ----------------------- ------------------------- Title: Vice President Title: ------------------------------ -------------------------------- Address: P O Xxx 000 Xxxxxxx, 00000 Address: 3810 Xxxxxx Xx., Mira Loma ---------------------------- ------------------------------ ------------------------------------- --------------------------------------- Telephone: ( ) Telephone: ( ) --- --------------------- --- ----------------------- Facsimile: ( ) Facsimile: ( ) --- --------------------- --- ----------------------- Federal ID No. Federal ID No. ---------------------- ------------------------ NOTE: These forms are often modified to meet changing requirements of law and industry needs. Always write or call to make sure you are utilizing the most current form: AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION, 700 Xx. Xxxxxx Xxxxxx, Xxxxx 000, Xxx Xxxxxxx, Xxxxxxxxxx 00000. (013) 000-0000. Fax No. (213) 000-0000 ADDENDUM TO STANDARD INDUSTRIAL/COMMERCIAL SINGLE-LESSEE LEASE - GROSS Dated: January 15, 1999 By and Between LDT COMPANY; CAROX X. XXXXXX, XXVIX XXXXXX XXX TIM XXXXXX XX PARTNERS ("LESSOR") AND BIKER'S DREAM INTERNATIONAL, A CALIFORNIA CORPORATION ("LESSEE") -------------------------------------------------------------------------------- The following additional terms and conditions are hereby incorporated into the above referenced lease as if set forth in full therein.

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ -------------------------------------------------------------------------------- The parties hereto have executed this Lease at the place and on the dates specified above their respective signaturessignature. Executed at:_________________________ : San Rafael, California Executed at:___________________________ : Minneapolis, MN ----------------------- ------------------------- on:__________________________________ : on:____________________________________ : 8-10-99 -------------------------------- -------------------------------- By LESSOR: LEE XX XXXN XXX By BY LESSEE: MACHONE COMMUNICATIONSDNS Investments, INC. a California Corporation _____________________________________ _______________________________________ _____________________________________ _______________________________________ Inc. ACI Telecentrics, Inc. ------------------------------------ -------------------------------------- By: /s/ LEE XX XXXN XXX By: /s/ PETEX X. XXXXX --------------------------------- ----------------------------------- ------------------------------------ Name Printed:________________________ : Xxxxxxx X. Xxxxxxxx Name Printed:__________________________ : Xxxx Xxxxxxx Title:_______________________________ : Chief Financial Officer Title:_________________________________: CEO ----------------------------- ------------------------------- By: By: --------------------------------- ----------------------------------- Name Printed: Name Printed: ----------------------- Title: Title: ------------------------------ -------------------------------- Address: 000 Xxxxxxxx Xxxx Xxx Address: 0000 Xxxx Xxxx Xx., Xxxxx 000 --------------------------- ----------------------------- Xxx Xxxxxx, XX 00000 Xxxxxxxxxxx, XX 00000 ------------------------------------ -------------------------------------- Telephone: (000) 000-0000 Telephone: (000) 000-0000 ------------------------- --------------------------- Facsimile: (000) 000-0000 Facsimile: (000) 000-0000 ------------------------- --------------------------- Federal ID No. Federal ID No. ---------------------- ------------------------ NOTICE: These forms are often modified to meet changing requirements of law and industry needs. Please Writ or call us to make sure that you are utilizing the most current form. We can be reached at the American Industrial Real Estate Association, 000 Xxxxx Xxxxxx, Xxxxx 000, Xxx Xxxxxxx, XX 00000. (000) 000-0000 Fax (000) 000-0000. ADDENDUM TO LEASE This is an addendum to the AIR Standard Industrial/Commercial Single-Tenant Lease-Net dated August 3, 1999 by and between DNS Investments, Inc. (Lessor) and ACI Telecentrics, Inc. (Lessee).

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ : San Diego, California Executed at:___________________________ : San Diego, California on:__________________________________ on:________________________________ By LESSOR: By LESSEE: /s/ Xxxxxx X. Xxxx ECO SOIL SYSTEMS, INC. By:________________________________ By LESSORBy: LEE XX XXXN XXX By LESSEE/s/ Xxxx Xxxxxx Name Printed: MACHONE COMMUNICATIONS, INC. a California Corporation XXXXXX X. XXXX Name Printed: Xxxx Xxxxxx Title:_____________________________ Title: E. V. P. By:________________________________ By:________________________________ Name Printed:______________________ Name Printed:______________________ Title:_____________________________ Title:_____________________________ Address:___________________________ Address:___________________________ Telephone: ( )________________ Telephone: ( )________________ Facsimile: ( )________________ Facsimile: ( )________________ Federal ID No._____________________ Federal ID No._____________________ BROKER: BROKER: ___________________________________ ___________________________________ Executed at:_______________________ Executed at:_______________________ on:________________________________ _______on:________________________________ By: /s/ LEE XX XXXN XXX :________________________________ By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ Name Printed:________________________________ Name Printed:______________________ Name Printed:______________________ Title:_______________________________ Title:_____________________________ Address:___________________________ Address:___________________________ Telephone: ( )________________ Telephone: ( )________________ Facsimile: ( )________________ Facsimile: ( )________________ Federal ID No._____________________ Federal ID No._____________________ NOTE: These forms are often modified to meet changing requirements of law and industry needs. Always write or call to make sure you are utilizing the most current form: AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION, 000 Xx. Xxxxxx Xxxxxx, Xxxxx 000, Xxx Xxxxxxx, Xxxxxxxxxx 00000. (000) 000-0000. Fax No. (213) 000-0000. ADDENDUM TO STANDARD INDUSTRIAL/COMMERCIAL SINGLE-TENANT--NET BETWEEN XXXXXX X. XXXX, AS LESSOR AND ECO SOIL SYSTEMS, INC. AS LESSEE

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN -------- PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ -------------------------------------------------------------------------------- The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ : Sunnyvale, CA Executed at:___________________________ : Sunnyvale, CA on:__________________________________ : 2/12/2000 on:____________________________________ : 4/12/2000 By LESSOR: LEE XX XXXN XXX By LESSEE: MACHONE COMMUNICATIONSXxxxxx and Xxxx Xxxxxx EME Technologies, INC. a California Corporation _____________________________________ _Inc. ______________________________________ _____________________________________ _______________________________________ By: /s/ LEE XX XXXN XXX Xxxxxx Xxxxxx By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ Xxxxxx Xxxxxx ---------------------------------- ------------------------------ Name Printed:_________________________ Name Printed:_____________________ Title:________________________________ Title: President --------------------------- By: /s/ Xxxx Xxxxxx By:_______________________________ ---------------------------------- Name Printed:_________________________ Name Printed:_____________________ Title:________________________________ Title:____________________________ Address:______________________________ Address:__________________________ Telephone: (___)______________________ Telephone: (___)__________________ Facsimile: (___)______________________ Facsimile: (___)__________________ Federal ID No.________________________ Federal ID No.____________________

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ Executed at:___________________________ on:__________________________________ on:____________________________________ By LESSOR: LEE XX XXXN XXX By LESSEE: MACHONE COMMUNICATIONSPEGH Investments, INC. LLC New Focus, Inc., a California Corporation By: /s/ DENNXX XXXXXX By: /s/ WILLXXX X. XXXXX, XX. --------------------------------- ----------------------------------- Name Printed: Dennxx Xxxxxx Name Printed: Willxxx X. Xxxxx, Xx. Xxxle: Secretary Title: CFO By:__________________________________ By:____________________________________ _______________________________________ _____________________________________ _______________________________________ By: /s/ LEE XX XXXN XXX By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ Name Printed:________________________ : c/o Triliad Name Printed:__________________________ Development, Inc. Title:_______________________________ Title:_________________________________ Address: 270 Xxxxxx Xxxxx, Xxxxx 000, Xddress: 4000 Xxx Xxxxxxxx, Xxxxxxxx Xxxx, XX 00000 Camaxxxxx, XX 00000 Xxlephone: (805) 000-0000 Telephone: (805) 000-0000 Xxcsimile: (805) 000-0000 Facsimile: (805) 000-0000 Xxderal ID No._______________________ Federal ID No._________________________

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ Executed at:___________________________ on:__________________________________ on:____________________________________ By LESSOR: LEE XX XXXN XXX By LESSEE: MACHONE COMMUNICATIONSKRDS, INC. ., LITRONIC INC., a California Corporation corporation a Delaware corporation By: /s/ Dilix Xxxx By: /s/ Kris Xxxx Xxme Printed: DILIX XXXX Name Printed: KRIS XXXX Xxtle: Partner KRDS Title: CEO By:__________________________________ By:____________________________________ _______________________________________ _____________________________________ _______________________________________ By: /s/ LEE XX XXXN XXX By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ Name Printed:________________________ Name Printed:__________________________ Title:_______________________________ Title:_________________________________ Address:_____________________________ Address:_______________________________ _____________________________ _______________________________

RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE. THE CONDITION OF THE PREMISES. , SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE. WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE STATE IN WHICH THE PREMISES IS LOCATED. ________________________________________________________________________________ The parties hereto have executed this Lease at the place and on the dates specified above their respective signatures. Executed at:_________________________ : Executed at:___________________________ : ------------------------- ---------------------------- on:__________________________________ : on:____________________________________ : ---------------------------------- ------------------------------------- By LESSOR: LEE XX XXXN XXX By LESSEE: MACHONE COMMUNICATIONSTHE CHILDS FAMILY INVESTMENT THE IMMUNE RESPONSE CORPORATION, INC. a California Corporation _____________________________________ _______________________________________ _____________________________________ _______________________________________ PARTNERSHIP, L.P. AND THE X.X. XXXXXXX A DELAWARE CORPORATION FAMILY TRUST, U/T/A 3/5/81 By: /s/ LEE XX XXXN XXX XXXXXX X. CHILDS By: /s/ PETEX X. XXXXX ----------------------------------- ------------------------------------ XXXXXX XXXXXX ---------------------------------- ------------------------------------- Name Printed:________________________ : XXXXXX X. CHILDS Name Printed:__________________________ : XXXXXX X. XXXXX, PH.D. ------------------------ --------------------------- Title:_______________________________ : Title:_________________________________: PRESIDENT CHIEF EXECUTIVE OFFICER ------------------------------- ---------------------------------- By: /s/ XXXXX X. XXXXXXX By: ---------------------------------- ------------------------------------- Name Printed: XXXXX X. XXXXXXX Name Printed: ------------------------ --------------------------- Title: Title: ------------------------------- ---------------------------------- Address: X/X XXXXXX, 000 XXXXX Xxxxxxx: ----------------------------- -------------------------------- BENTLEY AVENUE, LOS ANGELES, ------------------------------------- ---------------------------------------- XX 00000-0000 ------------------------------------- ---------------------------------------- Telephone: (000) 000-0000 Telephone: ( ) -------------------------- ------------------------------ Facsimile: (000) 000-0000 Facsimile: ( ) --------------------------- ------------------------------ Federal ID No. Federal ID No. ----------------------- -------------------------- BROKER: BROKER: ------------------------------------- ---------------------------------------- Executed at: Executed at: ------------------------- ---------------------------- on: on: ---------------------------------- ------------------------------------- By: By: ---------------------------------- ------------------------------------- Name Printed: Name Printed: ------------------------ --------------------------- Title: Title: ------------------------------- ---------------------------------- Address: Address: ----------------------------- -------------------------------- ADDENDUM TO LEASE This Addendum to Lease ("Addendum") is made by and between The Childs Family Partnership, L.P. and The X. X. Xxxxxxx Family Trust u/t/a 3/5/81, general partners doing business as "Darwin Court" but holding title as tenants-in-common (collectively, "Lessor") and The Immune Response Corporation, a Delaware corporation ("Lessee") and shall supplement that certain Standard Industrial/Commercial Single-Tenant Lease Net between Lessor and Lessee dated as of December 15, 1997 and Exhibits thereto (collectively, the "Lease"). Where appropriate the numbering used in the Addendum shall refer to the same numbered paragraphs in the Lease. Notwithstanding anything contained in the Lease to the contrary, the provisions set forth below will be deemed to be part of the Lease and if there is any inconsistency between this Addendum and the Lease, the terms of this Addendum shall supersede and control. All references in the Lease and in this Addendum shall be construed to mean the Lease and the Exhibits thereto, as amended and supplemented by this Addendum. All defined terms used in this Addendum, unless specifically defined in this Addendum, shall have the same meaning as such terms have in the Lease. References to "Paragraph" shall refer to the pre-printed Lease form and references to "Section" shall refer to this Addendum.