Commercial List ADI- Choice PPO ADI- JMH Select Discount ADI- Select ADI- Series ADI- Signature Administrative Services Only, Inc. Advantica Benefits Aetna Aetna Life and Casualty Aetna Select Alan Sturm & Associates Altus Dental Insurance Company Inc. Americhoice Ameritas Anthem Health and Life Insurance Co. Argus – Adult Medicaid Argus – Child Medicaid Argus – Heritage Plan Argus – Master Plan 100 Argus – Master Plan 200 Argus – Master Plan 500 Argus – Patriot Plan 100 Argus – Platinum Plan Argus Advantage Plan Argus Dental Plan Argus Liberty Plan Argus Master Plan Argus Patriot Plan Argus-Dental Decisions ASO-SIDS Assurant Employee Benefits Assurant Health Assurant, Inc. Asuris Northwest Health Asuris TruAdvantage Atlantic Dental Inc, (ADI) Commerical Atlantic Dental Inc. (ADI) Bay Area Automotive Group Bay Area Delivery Drivers Bell Atlantic Blue Advantage Blue Cross Complete Brokers National Life Assurance Co. Businessmen's Assurance CAC-Florida Medical Centers, LLC California State Government Programs Care Improvement Plus CarePlus Health Plans, Inc. Carpenters Health and Welfare Fund - Philadelphia Carrier's TPA, LLC Caterpillar Company

Blue Cross Blue Shield Delta Dental AL- BCBS AARP Dental Insurance Anthem Blue Cross Alabama Anthem Blue Cross CMSP Alaska AR - BCBS Arizona Blue Cross Life and Health (CA) Arkansas CA- Anthem Blue Cross California CA- Blue Shield California - US PHS ADDP CO - Anthem BCBS California (Federal Services) CO- Blue Cross California/TriCare Ret. CT- Anthem BCBS Colorado DC- CareFirst BlueChoice Connecticut DC- The Dental Network (TDN) Delaware DE- Highmark Blue Cross Blue Shield Deltacare USA FEP - CareFirst Blue Cross Blue Shield Dentegra GA- BCBS- Federal District of Columbia GA- BCBS Georgia Florida HI - BCBS Georgia HI - Hawaii Medical Service AssociationIAHMSA Dental Wellness Plan HI - Life and Specialty Ventures (LSV) Idaho Highmark Blue Cross Illinois IA - Wellmark BCBS Indiana ID- Blue Cross Iowa ID- Regence Kansas IL- BCBS Kentucky IN- Blue Cross Louisiana KY- Anthem BCBS Maryland LA - BCBS Massachusetts MA- BCBS Michigan MD- CareFirst BCBS Minnesota MI- BCBS Mississippi MO- Anthem BCBS Missouri MT-BCBS Missouri in SC NC- BCBS- Dental Blue Montana NC- BCBS- Dental Blue Select Nebraska NH- Anthem BCBS Nevada NJ - Horizon New Jersey NJ - Horizon Dental Choice New Mexico NJ - Horizon Traditional New York NJ- Horizon Health North Carolina NM- BCBS Ohio NV- Anthem BCBS Oklahoma OH- Anthem BCBS Oregon Dental Service - ODS OK- BCBS Pennsylvania OR- Regence PMI DeltaCare USA OR- Regence FEP Rhode Island PA- Blue Shield South Carolina (MO) PA- Blue Shield- Dental Plus South Dakota Regence Blue Shield Tennessee TN- BCBS Texas TX- BCBS Utah UT- Regence Virginia

Choice Care Choice Plus CIGNA HealthCare CompBenefits Company CompBenefits Corporation CompBenefits Dental, Inc. CompBenefits Insurance Company Concordia Preferred Connecticut General Continental Dental Coventry Cares of Kentucky Coventry Dental CSEA Employee Benefit Fund CustomCare (Southwestern Bell - Exec) Dearborn National Decare Dental Denex Dental Dental Benefit Providers Dental Care Plus Group - Ohio Dental Care Plus Management, Corp. Dental Guard Preferred Network Dental Select - Utah DentaPremier - Ohio DentaQuest DentaSelect - Ohio Direct Dental Administrators Doral Dental USA Emphesys Empire Dental Employee Benefit Mgmt Corp(EBMC) Employee Benefit Services Employee Benefit Systems (EBS) Employer Plan Services Employers Health Insurance Encara - Delta Dental Individual Equicor Equitable Life Essex Dental First Ameritas Life Ins. Corp. First Commonwealth Dental First Dental Health First Reliance Standard FlexCare Florida Combined Life Florida Power and Light Fortis Benefits Fortis Insurance Company Fortis Self-Funded Admin. Services Gateway Health Plan GE Group Life Assurance GEHA Connection Dental Federal GEHA Connection Dental Plus

VA - Anthem BCBS WA- Premera Blue Cross WA & AK WA- Regence FEP WI- Anthem BCBS WV- Blue Cross- Mountain States

Washington (WDS) West Virginia Wisconsin Wyoming

GEHA Employee Benefit Plan Genworth Group Dental Benefits GIC Golden West Dental & Vision Plan Government Employees Hospital Assoc. (GEHA) Group Dental Service Group Health (GHI) Group Health Cooperative Guardian Harbor Health Plan Health Care Systems, Inc. Health Partners of PA Health Resources Inc. Health Services Group HealthCare Insight (HCI) HealthPartners Dental Plan HealthPlex HealthPlex - Florida DHMO (Solstice) HealthSource Provident Healthy Kids - MI Healthy Michigan Dental Hershey Health Smiles Humana AdvantageCare Plan, Inc. Humana Benefit Plan of Illinois, Inc. Humana Choice Care Humana Dental Humana Dental Company Humana Employers Health Plan of Georgia, Inc. Humana Gold Choice Humana Health Benefit Plan of Louisiana, Inc. Humana Health Company of New York, Inc. Humana Health Insurance Company of Florida, Inc. Humana Health Plan of California, Inc. Humana Health Plan of Texas, Inc. Humana Health Plan, Inc. Humana HMO of Louisiana, Inc Humana Inc. Humana Insurance Company of Kentucky Humana Insurance Company of New York Humana Medical Plan of Pennsylvania, Inc Humana Medical Plan of Utah, Inc. Humana Military Healthcare Humana Wisconsin Health Organization Insurance Corporat IHC Group JC Penney John Alden John Hancock Kaiser Permanente Dental Choice Kern County Healthy Kids Liberty Dental Plan LifeWise Plan of Oregon Lincoln Financial Group Florida DHMO (Solstice)

Managed Health Services Marriott MCNA Dental Plans Medica MN Commercial Program Medica MN Public Program MetLife Minnesota Power Motorola Mutual of Omaha National Rural Letter Carriers Assoc. ODS Community Health (MODA) ODS Health Plan (affliated with MODA) Omega Administrators Operating Engineers Hlth & Welfare Fund Optum Health Dental Government Programs Oregon Dental Service- ODS (MODA) Pacific Union Patiot Dental Paul Revere Philadelphia Carpenters Phoenix American Phoenix Home Life Physicians Mutual Preferred Dental Organization Preferred Health Partnership of Tennessee, Inc. Premier Access Insurance Company Premier Dental Group Primary Delivery Systems Principal Financial Group Principal Life Insurance Protective Life Prudential Dental of Group Dental Service Regence MedAdvantage Reliance Standard ReliaStar Renaissance Life & Health Ins. Scion Dental of Florida Scion Dental of Georgia Scion Dental of Nevada Scion Dental of Ohio Scion Dental of West Virginia Scion IPA of New York Scion, Inc. Securian Dental Security Health Insurance Company of New York Security Life Insurance Company of America SelectCare (Coca Cola) Sele-Dent Self Insured Dental Services Sentry Employee Dental Plan Sentry Insurance A Mutual Company Sentry Life Insurance Company

Sentry Life Insurance Company of NY Serentas Dental Solutions SIDS Solstice Benefits, Inc.

Dental HMO Medicaid Aetna DMO AR- Care Improvement Plus American Dental Plan of GA, Inc AZ - Mericopa Health American Dental Plan of NC, Inc. CA - BC Life American Dental Plan, Inc. CA - CMSP American Dental Prov. of AR, Inc. CA - Dentical American Prepaid Dental Plan of OH CA - Molina American Prepaid Professional Services CT - Health Net Cigna Health Plan - HMO DC - DC Healthy Smiles - Adult CompBenefits Dental and Vision Co. DC - DC Healthy Smiles - Children CompBenefits Direct, Inc. DC - Health Services Children CompBenefits of AL, Inc. DC - Mid - Atlantic Access/EPPO CompBenefits of GA, Inc. DC - Mid - Atlantic Choice CompDent DC - Mid - Atlantic DHMO CompDent of AL, Inc. DC - Unison Capital Alliance Adult CompDent of GA, Inc. DC - Unison Capital Alliance Child CompDent of IL, Inc. DC - Unison-Capitol Area Child CompDent Preferred Networks, Inc. DC- Healthy Smiles Administered by QPA Concordia Dental Plus FL - Better Health - Adults Dental Care Plus Management Corp. FL - Better Health-Children Dental Health Management, Inc. FL - Childrens - Charlee Dental Network of America FL - Childrens - Miami-Dade 0-5 DentiCare, Inc. FL - Childrens - Miami-Dade 6-20 DentLease, Inc. FL - Healthy Kids Diamond Dental of Arkansas, Inc. FL - Humana - Children 0-5 Diversified Administrators, Inc. FL - Humana - Children 6-20 Health Care Systems, Inc. FL - Humana - Non-Reform - Adult HealthStream Services, Inc. FL - Humana - PW/H/A Lincolon Financial Group FL DHMO Solstice FL - Humana - SSI - Adult Managed Dental Care (CA) - Guardian FL - Humana - TANF - Adult Managed DentalGuard FL, NJ, NY, TX FL - Independent Living - Adult National Dental Plans, Inc. FL - JMH - Health & Wellness OHS of Alabama, Inc. FL - Molina OHS of Georgia, Inc. FL - Molina HealthCare Oral Health Services FL - Prestige Health Choice Adult PMI Dental Health - DeltaCare USA FL - SFCCN-PSN Adult Texas Dental Plan, Inc. FL - THC - Children Unicare of Texas - HMO FL - THC - Non-Reform - Adult FL - THC - Reform - Adult FL - THC Alternate ID Product No Benefits FL - WC Health Ease Non-Reform Adult FL - WC HealthEase Non-Reform-Adlt FL - WC Staywell Non-Reform-Adult FL- Atlantic Dental, Inc (ADI) GA - Amerigroup GA - WellCare GA- Peach State Health Plan GA-Wellcare of GA Medicaid and Medicare IA- Care Improvement Plus IL - Medicaid IL - Medical Assistance Program KS - Kansas Medical Assistance

KS - Medicaid KS- Amerigroup KanCare KS- UnitedHealthcare KanCare KY - Medicaid (Region 3) KY - Passport FFS - KY KY - Passport Health Plan KY - Wellcare KY Medicaid KY- Care Improvement Plus KY- Coventry Cares MA - CeltiCare MA - MassHealth Dental MA - Network Health Forward MA - NHP Commonwealth Care MD - Amerigroup MD - Coventry Diamond Plan MD - Healthy Smiles Confirm Pregnancy MD - Healthy Smiles REM 21 and Over MD - Healthy Smiles Under 21 MD - Helix MD - History Load MD - MD Physician Care - MCO MD - Mid - Atlantic Access/EPPO MD - Mid - Atlantic Choice MD - Mid - Atlantic DHMO MD - Priority Partners MD - United Healthcare HealthChoice MD - United Healthcare PAC MD- Care Improvement Plus MD- Care Improvement Plus MI - Molina MN - Blue Plus MN - Care SCHA Basic Plus One(M3) MN - Care SCHA Basic Plus Two(M4) MN - Care SCHA Care Basic (M2) MN - Care SCHA Care Basic Plus(M5) MN - Care SCHA Expanded (M1) MN - CivicSmiles MN - First Plan Blue MN - Hennepin Health MN - MHP(Metropolitan Health Plan) MN - SCHA - Ability Care MN - SCHA - MSHO MN - SCHA (GA) - over 21 MN - SCHA (MA) - over 21 MN - SCHA MA - under 21 MN - Senior Care Plus - SCHA MN - UCare of Minnesota MO - BCBS Kansas City MO - Bridgeport Dental Services MO - Care Adult MO - Care Children MO - Care Eligibility History

MO - Care Pregnant Woman MO - FirstGuard Health Plan MO - HealthCare USA MO - HealthNet MO- Care Improvement Plus NJ - Aetna Medicare Advantage NJ - Amerigroup NJ - Health Net NJ - Healthfirst ABD NJ - Healthfirst DDD NJ - Healthfirst DDD - copay NJ - Healthfirst DYFS NJ - Healthfirst FamCare A NJ - Healthfirst FamCare B NJ - Healthfirst FamCare C NJ - Healthfirst FamCare C-Copay NJ - Healthfirst FamCare D NJ - Healthfirst FamCare D-Copay NJ - Horizon NJ Health NJ - University Health Plan NM - Amerigroup NM - BlueSalud Adult NM - BlueSalud Child NM - Lovelace Community Health NM - Molina NM - Molina HealthCare NM - Presbyterian Salud NM- Care Improvement Plus NV - Amerigroup Community Care ADLT NV - Amerigroup Community Care Check-up NV - Amerigroup Community Care Child NV - Amerigroup Community Care Pregnant NY - CenterCare NY - Empire BCBS NY - Fidelis 1199 - Adult NY - Fidelis 1199 - Child NY - Fidelis 1199 CHP-NonSubsidized NY - Fidelis 1199 CHP-Subsidized NY - Fidelis 1199 FHP Non Sub NoCopay NY - Fidelis 1199 FHP Sub No Copay NY - Fidelis 1199 FHP Sub.Copay NY - Fidelis 1199 FHP-Non-Sub-Copay NY - Fidelis Care NY - GHI NY - Healthfirst NY - Managed Health Inc. NY - Metro Plus NY - NHP CHP (no co-pay) NY - NHP FHP (co-pay) NY - NHP FHP (no co-pay) NY - NHP Medicaid Adult NY - NHP Medicaid Child

NY - Presbyterian Community NY - Suffolk County NY- Care Improvement Plus OH - Amerigroup OH - Anthem BCBS Partnership OH - Buckeye Health Plan OH - Molina OH - Molina HealthCare OH - QualChoice OH - Unison Health Plan OH - Wellcare of Ohio, Inc - Adults OH - Wellcare of Ohio, Inc - Children OK - Heartland Health OK - Unicare Health Plan PA - Amerihealth Mercy PA - Health Partners Philadelphia PA - Keystone Mercy PA - KidzPartners -PA CHIP PA - Three Rivers Health Plans PA - UPMC Health Plan - Dental SD - Medicaid TN - TennCare TN- TennDent TX - Molina TX- Care Improvement Plus TX- Medicaid - DentaQuest TX- Medicaid - DentaQuest CHIP TX- Medicaid - MCNA TX- Medicaid - MCNA CHIP UT - Molina VA - Medicaid VA - Mid - Atlantic Access/EPPO VA - Mid - Atlantic Choice VA - Mid - Atlantic DHMO VA - Smiles for Children WA - Medicaid WA - Molina WA - WA Dept. Social Health Services WI - BadgerCare WI - Doral Health Plan WI - Medicaid WI - Prime Care of Wisconsin WI - UHC of Wisconsin WI- Wisconsin (2001)