Concluded on 31st December 1997 between the companies Zisapel Properties (1992) Ltd. and Klil & Michael
Properties (1992) Ltd. (hereinafter : "the Lessor"), and the company RADVision (hereinafter : "the Lessee")
herein represented by __________ .
1. "The Premises" - an area of 880 square metres on level B , ___ square metres on the ___ level and ___
square metres on the ___ basement level of the building situate at 24 Raoul Wallenberg Street, Tel Aviv, as
marked on the diagram in ANNEX A together with 21 covered parking bays and ___ open parking bays.
2. The Lessee leases the Premises from the Lessor with effect from 15th January 1998 (hereinafter : "the Date of
Commencement of the Lease") until 31st December 1998 (hereinafter : "the Initial Lease Period"). The Lessee
shall have an option to extend the lease until 31st December 1999, thereafter until and ___ and thereafter until
and ___ (each of the above periods of extension shall hereunder be called : "the Option Period", the Initial Lease
Period and each of the Option Periods may also hereunder sometimes be called "the Lease Period"). The Lessor
shall give 60 days prior written notice to the Lessee as to the exercise of the Option. During the Option Periods
all the conditions of this Agreement shall, MUTATIS MUTANDIS, apply. Notwithstanding the foregoing
provisions, the Lessee shall be entitled to terminate the Lease Period prior to the expiration of the Lease Period
or any Option Period, if a substitute lessee is found from within the RAD-Bynet Group and upon 90 days prior
written notice. Notwithstanding the foregoing, the Lessor shall have the right to give notice to the Lessee as to the
termination of the lease at any time and for any reason, upon 90 days prior written notice. In any event the
inclusive Lease Periods shall not exceed nine years and eleven months.
3. The Lessee accepts the Premises in clean and good condition, meeting its needs, including air conditioning,
kitchenette, toilets, on a marb