Dear Felix
We refer to the License Agreement between [NAME OF FIRST PARTY TO AGREEMENT] and [NAME OF SECOND PARTY TO AGREEMENT] dated [DATE OF AGREEMENT, ex. January 5, 1996]. Please accept this letter as our formal notice to you that we will be terminating the Agreement effective [EFFECTIVE DATE OF TERMINATION OF AGREEMENT, ex. August 1, 1998].
I would like to personally thank everyone at your organization for the co-operation they have given us for all these years.
Regards
Lydia