Modtech Holdings, Inc. (Nasdaq: MODT) announced that Dennis L. Shogren, President and Chief Executive Officer, will speak at Robotti & Company's Third Annual Manufactured Housing Investor Conference being held November 13, 2006 at The Harvard Club in New York.

Mr. Shogren's presentation will include a discussion of the Company's business and growth strategies, and is scheduled to begin at 1 p.m. EST on November 13. The presentation will be accessible live via the Internet at Modtech's website, www.modtech.com, where it will also be archived for 90 days.

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, Florida and Texas. 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.