Modtech Holdings, Inc. (Nasdaq:MODT) President and Chief Executive Officer Dennis Shogren and Chief Financial Officer Ken Cragun will present at the Roth 2007 New York Conference being held September 5-6, 2007 at the Westin Hotel in New York City.

Modtech's presentation is scheduled to begin at 3 p.m. EDT on Wednesday, September 5 and will include a discussion of the Company's business fundamentals and growth strategies. The presentation audio and accompanying slides will be webcast live and made available on the company's website at www.modtech.com in the Investor Relations section. The webcast will also be archive on the website.

About Modtech Holdings, Inc.

Modtech® is a leading national designer and manufacturer of modular buildings, both permanent and relocatable. In the school industry, the company has advanced typical modular building technology to greater dimensions of flexibility and architectural integrity. Modtech® has substantial product and geographic diversification throughout the southwestern states and Florida. Modtech's commercial and industrial buildings are sold to a diverse end-user market and may be leased through national, regional, and local dealers. The company also designs and manufactures modular buildings to customer specifications for a wide variety of uses.

Modtech Holdings, Inc.
Dennis Shogren
Chief Executive Officer
(951) 943-8800
Ken Cragun
Chief Financial Officer
(951) 943-8889
or
Silverman Heller Associates
Phil Bourdillon/Gene Heller
(310) 208-2550