Calgon Carbon and Trojan Settle UV Patent Dispute

March 7, 2007

Calgon Carbon Corporation has reached an agreement with Trojan Technologies regarding legal disputes related to certain Calgon Carbon patents for the use of ultraviolet light to disinfect drinking water.

In exchange for an undisclosed cash payment by Trojan, Calgon Carbon will grant Trojan worldwide immunity from all current and future legal action related to the Calgon Carbon UV Patents.

Commenting on the announcement, John Stanik, president and chief executive officer of Calgon Carbon, said, "The agreement with Trojan signifies the end of a long and costly dispute between our two companies and allows Trojan and its customers worldwide to utilize the technology covered by the Calgon Carbon UV Patents for the control of Cryptosporidium and other pathogens in drinking water."


Calgon Carbon Corp.

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