NDX, GeoDigm merger completed

March 21, 2012

National Dentex Corporation, one of the largest owner/operators of dental laboratories in North America, announced that its shareholders adopted and approved a merger agreement with GeoDigm Corporation. National Dentex continues as the surviving corporation and a wholly owned subsidiary of GeoDigm, a technology based manufacturing and laboratory company and a portfolio company of Welsh, Carson, Anderson & Stowe ("Welsh Carson").

National Dentex Corporation, one of the largest owner/operators of dental laboratories in North America, announced that its shareholders adopted and approved a merger agreement with GeoDigm Corporation. National Dentex continues as the surviving corporation and a wholly owned subsidiary of GeoDigm, a technology based manufacturing and laboratory company and a portfolio company of Welsh, Carson, Anderson & Stowe ("Welsh Carson").

"We believe that the Merger with GeoDigm provides an attractive all-cash valuation to our shareholders," said David L. Brown, Chief Executive Officer of National Dentex. "We look forward to partnering with GeoDigm and its ICON(R) platform to transform dental lab operations and create clear value for our dental clients," said Mr. Brown.

"We look forward to working with National Dentex's strong management team and broad laboratory network, which are vital to extending ICON(R) technology's benefits to dental clients everywhere. Welsh Carson's financial sponsorship greatly increases the National Dentex - GeoDigm combination's acquisition capacity. This capacity offers unaffiliated laboratory owners an opportunity to acquire fundamentally transformative technology through joining an industry leader," said Andrew Hofmeister, Chief Executive Officer of GeoDigm.

About National Dentex

National Dentex Corporation serves an active customer base of over 24,000 dentists through 42 dental laboratories located in 28 states and one Canadian province. National Dentex's dental laboratories provide a full range of custom-made dental prosthetic appliances, including dentures, crowns, and fixed bridges, and other dental specialties.

About GeoDigm

GeoDigm, based in Chanhassen, Minnesota, is a leading innovator in dental and orthodontic imaging and manufacturing technology. GeoDigm deploys its proprietary, digitally-enabled production system exclusively through GeoDigm Laboratories, delivering improved products and services to its client base of over five thousand dentists and orthodontists.