Timeline: Koppers (1988 to present)

1988 Koppers Industries, Inc. formed on December 29, 1988 when certain assets of Koppers Company, Inc. were acquired in a management-led leveraged buyout. Robert K. Wagner became president and CEO of the new company and served from 1988 to 1994. He became a director in 1989 and was Koppers first chairman of the board from 1994 to July 1999.

1991 Koppers acquired a 50% partnership in KSA Limited Partnership, a concrete crosstie manufacturing facility in Portsmouth, Ohio.

1993 Koppers purchased the Logansport, Louisiana plant from Mid-South Wood Preservers to produce utility poles.

1995 Koppers purchased a coke plant in Monessen, Pennsylvania from Sharon Steel.

1996 Koppers purchased a Clairton, Pennsylvania, carbon pitch plant from Aristech, and a railroad tie facility in Somerville, Texas from BNSF. Donald P. Traviss was named president and chief operating officer in March 1994; he was elected CEO in 1996 and served until 1997.

1997 Koppers completed a recapitalization which resulted in the purchase of approximately 2/3 of the equity held by outside investors. New bank and public debt financing were also completed. Investment firm Saratoga Partners from New York helped finance the recapitalization and became the majority owner of Koppers. Koppers also purchased the remaining 50 percent of Koppers Australia, extending its carbon products and wood treating businesses to Australia and Asia.

1999 Koppers formed a joint venture with Tangshan Iron and Steel Group Company, LTD. (TISCO) to revitalize and operate a coal tar distillation facility in China. In July 1999, Robert Cizik was elected non-executive chairman of the board, and continues to serve in that capacity.

2000 Koppers completed the purchase of the remaining 50 percent of Tarconord A/S (Nyborg, Denmark), which became Koppers Europe. Koppers now operates Europe's second largest coal tar distillation business from facilities in Denmark and England.

2001 Koppers closed a utility pole and co-generation plant in Feather River, California, due to deteriorating market conditions.

2003 In a company-wide rebranding, Koppers Industries changed its name to Koppers Inc. to reflect the global and diversified nature of its businesses.

2004 Koppers Holdings Inc. was formed to facilitate a dividend recapitalization, which resulted in Koppers Inc. becoming a wholly-owned subsidiary of Koppers Holdings Inc.

2005 Koppers acquires Lambson's specialty chemical products in the United Kingdom.

2006 Koppers Holdings successfully completes initial public offering in which 8,700,000 shares of common stock were sold to the public. Additionally, Saratoga sold 1,300,000 common shares after converting all of their prefferred shares into shares of common stock. Koppers acquires certain assets of Reilly Industries coal tar business.