12 August 2003

BREATHING DISORDERS SERVICES, INC.
8241 South Walker, Suite 104
Oklahoma City, Oklahoma 73139 USA

Thank you very much for your participation as the keynote speaker in the client conference call hosted by Citigroup Smith Barney on Tuesday 12 August 2003.  We, and our clients, find it of enormous benefit to learn about your businesses and your views on the US market for sleep disordered breathing products.  Your insights and depth of knowledge into the US sleep market is always impressive.

If there is anything we can do for you, please do not hesitate in contacting us.  Once again, thank you for your time and we look forward to keeping in touch.

Kind regards


Nicholas Condoleon
Analyst - Healthcare Research
Citigroup Smith Barney (Citigroup Global Markets Australia Pty Limited)
 

                                    
1 December 2002

BREATHING DISORDERS SERVICES, INC.
8241 South Walker, Suite 104
Oklahoma City, Oklahoma 73139 USA

Thank you for your time conversing with Smith Barney over the last nine months.  You have been a valuable resource and have greatly enhanced our industry knowledge particularly of the U.S. sleep disordered breathing market.

We would like to formally invite you to join our panel of industry experts who we contact and consult with on a regular basis.  On a periodical basis we invite key clients of ours to join briefing sessions on selected topics and industry's in healthcare related fields.  Your contribution and input to these meetings would be highly valued and much appreciated.  We hope you contribute to the Smith Barney healthcare research efforts.

Kind regards

Nicholas Condoleon
Analyst - Healthcare Research
Citigroup Smith Barney (Citigroup Global Markets Australia Pty Limited)

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