1. US-Based Open Water Certification Count 2005 and 2006 Compiled from PADI, SDI and SSI Certified Diver Files ©2007 DEMA

2. Compiled by DP Research Solutions 2005-2006 US-Based Open Water Certification Count DEMA, in cooperation with several diver training agencies compiled the data contained herein over the course of 2006 for the US Dive Market. The data is compiled in aggregate to provide the industry with an overview of this important statistic. DEMA wishes to extend thanks to PADI, SDI and SSI for their cooperation in this effort. DEMA also wishes to extend thanks to the DEMA Board of Directors for its on-going support of this important project. ©2007 DEMA

3. Compiled by DP Research Solutions Open Water Certified Divers (US) Q1: 2005 ©2007 DEMA

4. Compiled by DP Research Solutions Open Water Certified Divers (US) Q2: 2005 ©2007 DEMA

5. Compiled by DP Research Solutions Open Water Certified Divers (US) Q3: 2005 ©2007 DEMA

6. Compiled by DP Research Solutions Open Water Certified Divers (US) Q4: 2005 ©2007 DEMA

7. Compiled by DP Research Solutions Open Water Certified Divers (US) Total 2005 Unique Certifications ©2007 DEMA

8. Compiled by DP Research Solutions Open Water Certified Divers (US) Q1: 2006 ©2007 DEMA

9. Compiled by DP Research Solutions Open Water Certified Divers (US) Q2: 2006 ©2007 DEMA

10. Compiled by DP Research Solutions Open Water Certified Divers (US) Q3: 2006 ©2007 DEMA

11. Compiled by DP Research Solutions Open Water Certified Divers (US) Q4: 2006 ©2007 DEMA

12. Compiled by DP Research Solutions Open Water Certified Divers (US) Total 2006 Unique Certifications ©2007 DEMA

13. Compiled by DP Research Solutions Certified Divers 2005 and 2006 (US) By Quarter ©2007 DEMA

14. Compiled by DP Research Solutions Total Certified Divers (US): 2005 and 2006 ©2007 DEMA