ADPI American Dental Partners, Inc. (MM)

American Dental Partners, Inc. ("American Dental Partners" or the "Company") today announced that it has launched the syndication of $241 million of senior secured facilities ("Senior Secured Facilities"), consisting of a $36 million revolving facility and a $205 million term loan. The proceeds from the Senior Secured Facilities, together with equity from JLL Partners Fund VI, L.P. and certain other investors, are being used to finance the acquisition of American Dental Partners and to pay certain fees and expenses.

KeyBank National Association ("KeyBank"), CIT Capital Securities ("CITCS") and NXT Capital, LLC ("NXT") will act as joint bookrunning managers of the debt financing.

This press release does not constitute an offer to purchase any securities or a solicitation of an offer to sell any securities.

About American Dental Partners

American Dental Partners is headquartered in Wakefield, Massachusetts and is one of the nation's leading business partners to dental group practices. The Company is affiliated with 27 dental group practices, which have 282 dental facilities with approximately 2,404 operatories located in 21 states. More information can be found on American Dental Partners' website, which includes expanded investor information and resources.

Forward-Looking Statements. This press release contains forward-looking statements regarding American Dental Partner's intention to obtain the Senior Secured Facilities and its intended use of the resulting proceeds.  There is no assurance that American Dental Partner's will successfully complete the proposed debt financing or use the proceeds as presently intended. Investors should not place undue reliance on forward-looking statements as predictions of future results. American Dental Partner's undertakes no obligation to update or revise any forward-looking statements to reflect developments or information obtained after the date of this press release.

CONTACT: American Dental Partners, Inc.
         401 Edgewater Place, Suite 430
         Wakefield, MA 01880
         Phone: 781/224-0880
         Fax: 781/224-4216

         Gregory A. Serrao
         Chairman, President and
         Chief Executive Officer
         781-224-0880
         
         Breht T. Feigh
         Executive Vice President, Chief
         Financial Officer and Treasurer
         781-224-0880