Koppers Holdings backs 2008 profit and revenue outlook

Koppers said it still expects to earnings per share growth of 10 percent to 13 percent. Based on the company's 2007 profit of $3.03 per share, the guidance implies a profit of $3.33 to $3.42 per share.

Analysts polled by Thomson Financial expect a profit of $3.37 per share for the year.

Koppers still expects sales to climb 5 percent to 8 percent this year, implying sales of $1.4 billion to $1.44 billion. Analysts expect sales of $1.48 billion.

Koppers Holdings makes carbon compounds, which are used to make aluminum, steel and chemicals, and treated wood, which is used to make railroad ties and utility poles.

Koppers shares fell $1.23, or 2.5 percent, to close at $48.86.