3M ESPEActeonAnsell HealthcareBiotrolCentrixColtene/Whaledent Inc.Crosstex InternationalDenticatorDENTSPLY ProfessionalDMG AmericaDukal CorporationDUX DentalGC AmericaHu-FriedyIntegra Miltex Kerr CorporationKimberly-Clark HealthcareMedicomMicroflex CorporationPDIPremier Dental Products CompanyRichmond DentalSempermed USASeptodontSultan HealthcareTIDI ProductsTuttnauerWaterpik TechnologiesYoung DentalZirc CompanyAbout the ADA The not-for-profit ADA is the nation's largest dental association, representing 157,000 dentist members. The premier source of oral health information, the ADA has advocated for the public's health and promoted the art and science of dentistry since 1859. The ADA's state-of-the-art research facilities develop and test dental products and materials that have advanced the practice of dentistry and made the patient experience more positive. The ADA Seal of Acceptance long has been a valuable and respected guide to consumer dental care products. The monthly The Journal of the American Dental Association (JADA) is the ADA's flagship publication and the best-read scientific journal in dentistry. For more information about the ADA, visit www.ada.org. For more information on oral health, including prevention, care and treatment of dental disease, visit the ADA's consumer website www.MouthHealthy.org. About Henry Schein, Inc. Henry Schein, Inc. is the world's largest provider of health care products and services to office-based dental, medical and animal health practitioners. The Company also serves dental laboratories, government and institutional health care clinics, and other alternate care sites. A Fortune 500® Company and a member of the NASDAQ 100® Index, Henry Schein employs more than 15,000 Team Schein Members and serves approximately 775,000 customers. The Company offers a comprehensive selection of products and services, including value-added solutions for operating efficient practices and delivering high-quality care. Henry Schein operates through a centralized and automated distribution network, with a selection of more than 90,000 national and Henry Schein private-brand products in stock, as well as more than 100,000 additional products available as special-order items. The Company also offers its customers exclusive, innovative technology solutions, including practice management software and e-commerce solutions, as well as a broad range of financial services. Headquartered in Melville, N.Y., Henry Schein has operations or affiliates in 25 countries. The Company's sales reached a record $8.5 billion in 2011, and have grown at a compound annual rate of 18 percent since Henry Schein became a public company in 1995. For more information, visit the Henry Schein Web site at www.henryschein.com.