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Dear Hunter,

I hope you are well and I look forward to seeing you again very soon. The entire management team at Burnham is very excited about the possibilities of adding the capabilities and talents of both RSA and RSPI to the Burnham platform. We have the potential to do great things together.

Thank you for all the financial and operating detail on RSA and RSPI that you prepared and provided for us on such short notice to review. We appreciate the your time, effort and timeliness.

Upon review of your information and after several management sessions and analysis we have develop the attached Letter Of Intent which outlines a process of further analysis as well as an outline of a deal structure that we would be comfortable with executing.

Please review and let me know when you have time on Monday or Tuesday to discuss in detail.

Regards,

Andrew