Title: Corrigent System's Statement about IPR claimed in IETF Technology Received: May 8, 2003 From: Uri Shalom This is to affirm that Corrigent Systems Ltd. (hereinafter refers as "Corrigent") will offer patent licenses for submissions made by it which are adopted or recommended as a standard by your organization as follows: If part(s) of a submission by Corrigent is(are) included in a standard and Corrigent has patents and/or pending application(s) that are essential to implementation of such included part(s) in said standard, Corrigent is prepared to grant - on the basis of receiprocity (grantback) - a license on such included part(s) on reasonable, non-discriminatory terms and conditions. Written requests for licenses may be sent to: Corrigent Systems Ltd. Uri Shalom 126 Yigal Alon Tel-Aviv 67443 ISRAEL Tel: 972-3-6952727 Email: uris@corrigent.com