Offer to Purchase for Cash
976,212 Ordinary Shares
Net Per Share
The Initial Offer Period and withdrawal rights will expire at 10:00 a.m., New York time, and 5:00 p.m.,
time, on Thursday, September 2, 2010, unless the Offer is extended.
July 27, 2010
To Our Clients:
Enclosed for your consideration is:
Please note that a (i) Notice of Extraordinary General Meeting of Shareholders, (ii) Proxy Statement and
(iii) Proxy Card, all to be filed with the Securities and Exchange Commission on August 2, 2010, relating to an
Extraordinary General Meeting of Radvision’s shareholders to be held at 10:00 a.m. (Israel time) on Tuesday,
August 31, 2010, for the purpose of ratifying and approving the Offer (the “Meeting”) will be mailed to
shareholders of Radvision separately on or about August 4, 2010. The description of the Offer and the Meeting
in this letter is only a summary and is qualified by all the terms of, and conditions to, the Offer set forth in the
Offer to Purchase, the Letter of Transmittal and the Proxy Statement.
We are (or our nominee is) the holder of record of Shares held by us for your account. A
tender of your Shares or an objection to the completion of the Offer can be made only by us as the
holder of record of the Shares and only pursuant to your instructions. The enclosed Letter of
Transmittal is furnished to you for your information only and cannot be used by you to tender Shares
held by us for your account.
Please instruct us as to whether you wish us to either (1) tender on your behalf any or all of the Shares
held by us for your account, upon the terms of, and subject to the conditions to, the Offer or (2) notify the
Purchaser of your objection to the Offer with respect to any or all of the Shares held by us for your account.
Israeli Withholding Tax. If you determine to tender your Shares in the Offer, we also request
instructions as to whe