Dayton Superior to Broadcast Third Quarter 2007 Earnings Release.

DAYTON, Ohio -- Dayton Superior (NASDAQ:DSUP) will broadcast a conference call to discuss its third quarter 2007 earnings on Thursday, November 15, 2007, at 3:00 p.m. ET. The call will be conducted by Rick Zimmerman, President and CEO, and Ed Puisis, Executive Vice President and CFO. Third quarter

Interested parties may participate in the call by telephone. Please call 1-800 226-0630 and enter ID# 23652784 at least 10 minutes before the start of the call to register.

A replay of the call will be available from 7:00 p.m. ET, Thursday, November 15, 2007, until 11:59 p.m. ET, Wednesday, November 22, 2007. Please call 1-800-642-1687 or 1-706-645-9291 and enter reservation #23652784.

Dayton Superior is the leading North American provider of specialized products consumed in non-residential, concrete construction, and we are the largest concrete forming and shoring rental company serving the domestic, non-residential construction market. Our products can be found on construction sites nationwide and are used in non-residential construction projects, including: infrastructure projects, such as highways, bridges, airports, power plants and water management projects; institutional projects, such as schools, stadiums, hospitals and government buildings; and commercial projects, such as retail stores, offices and recreational, distribution and manufacturing facilities.