DSUP Dayton Superior Corp (MM)

Dayton Superior (NASDAQ: DSUP) will broadcast a conference call to discuss its first quarter 2008 earnings on Thursday, May 8, 2008, at 11:00 a.m. ET. The call will be conducted by Rick Zimmerman, President and CEO, and Ed Puisis, Executive Vice President and CFO. First quarter earnings will be released after the close of the market on Wednesday, May 7, 2008. Interested parties may participate in the call by telephone. Please call 1-800-226-0630 and enter ID# 43192054 at least 10 minutes before the start of the call to register. A replay of the call will be available from 2:00 p.m. ET, Thursday, May 8, 2008, until 11:59 p.m. ET, Thursday, May 15, 2008. Please call 1-800-642-1687 or 1-706-645-9291 and enter ID# 43192054. 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.