NOTICE OF LICENSE AND SOURCE CODE AVAILABILITY

Dear Customer / To Whom It May Concern,

You may have received from Ioffe Marine software that contained some open source
software. Specifically, we may have distributed to you products that contained code from a
version of Sjeng, an open source software program developed by third parties without any
affiliation to Ioffe Marine. Such products include the Ioffe Marine Caissa Chess and Caissa Chess Pro.

If we distributed  Ioffe Marine Caissa Chess and Caissa Chess Pro to you, we want you to know that you were granted a
license to that software under the terms of the GNU General Public License, Version 2 (“GPL”; a
copy of which is available from http://www.gnu.org/licenses/gpl-2.0.html). The GPL allows you
to freely copy, modify and redistribute that software and no other statement or documentation,
including any End User License Agreement, places any additional restrictions on what you may
do with that software.

Further, for at least three (3) years from the date of this notification, we will give to any
third party who contacts us at the contact information provided below, for a charge no more than
our cost of physically performing source code distribution, a complete machine-readable copy of
the corresponding source code for Ioffe Marine Caissa Chess and Caissa Chess Pro.

Contact Information for Requesting Source Code

Ioffe Marine Programming Company
Email: support@caissa.com 
Attn: Open Source Compliance Officer

We have also made that source code freely available to you and any other member of the public
via our website at http://code.google.com/p/anteloope/

Sincerely,

Ioffe Marine Programming Company