3. Business Acquisitions Koppers Netherlands   On March 1, 2010, the Company acquired 100 percent of the outstanding shares of privately-owned Cindu Chemicals B.V. ("Cindu") for cash of $21.6 million. Cindu was subsequently renamed Koppers Netherlands B.V. ("Koppers Netherlands"). Koppers Netherlands is a Dutch company which operates a 140,000 metric ton coal tar distillation plant in Uithoorn, Netherlands. The acquisition strengthens the Company's presence in Europe and increases the Company's ability to service its export markets. Acquisition expenses were $1.6 million for the three months ended March 31, 2010 and are charged to selling, general and administrative expenses. Portec   On December 22, 2010, the Company acquired the rail joint bar business of Portec Rail Products, Inc. located in Huntington, West Virginia. The purchase price was cash of $10.7. The updated allocation of purchase price to acquired assets consisted of inventory totaling $7.1 million, plant and equipment totaling $2.7 million, intangible assets consisting primarily of customer relationships totaling $0.6 million and tax deductible goodwill of $0.3 million. The goodwill is allocated to the Railroad and Utility Products segment. Other acquisitions   On October 31, 2010, the Company acquired the midwestern United States refined tar business of Stella Jones Inc. for cash of $5.8 million. The final allocation of purchase price to acquired assets consisted of inventory totaling $1.6 million and intangible assets consisting primarily of customer relationships totaling $1.7 million and tax deductible goodwill of $2.5 million. The goodwill is allocated to the Carbon Materials and Chemicals segment. Pro-forma information   The consolidated pro forma results of operations if the above acquisitions had been completed as of the beginning of the year in 2010 would have been pro forma revenue of $288.1 million and operating profit of $15.9 million for the three months ended March 31, 2010.