Press Release

Calgon Carbon Announces Second Quarter Results

PITTSBURGH, PA  –  07/28/2008

PRNewswire-FirstCall/ — Calgon Carbon Corporation (NYSE: CCC), will hold its quarterly conference call to discuss second quarter results on Thursday, July 31 at 1:30 p.m. Eastern Time.

If you would like to participate in the conference call, please phone 412-858-4600 shortly before the scheduled start time. The conference ID is: CALGON CARBON GERONO.

The conference call will be rebroadcast continuously from 4:00 p.m., Eastern Time on July 31 until 5:00 p.m. Eastern Time on August 8. To listen to the rebroadcast, please phone 412-317-0088. The access code is: 421889.

This call is being webcast by Thomson/CCBN and can be accessed at Calgon Carbon Corporation’s Web site atdev.calgoncarbon.com.

Calgon Carbon Corporation, headquartered in Pittsburgh, Pennsylvania, is a global leader in services and solutions for making water and air safer and cleaner.

The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward-looking statements. This document contains certain statements that are forward-looking relative to the company’s future strategy and performance. They involve known and unknown risks and uncertainties that may cause the company’s actual results in future periods to be materially different from any future performance.