Calgon Carbon Corporation (NYSE: CCC) (Calgon Carbon or the Company) today announced that it will issue a press release reporting its third quarter 2017 financial results at approximately 7:30 a.m. Eastern Time on Monday, November 6, 2017.

In light of the previously announced pending merger with Kuraray Co., Ltd. (TYO:3405) (Kuraray), the Company will not conduct a conference call in conjunction with the issuance of its third quarter financial results.

Pure Water. Clean Air. Better World.

Calgon Carbon Corporation (NYSE:CCC) is a global leader in innovative solutions, high quality products and reliable services designed to protect human health and the environment from harmful contaminants in water and air. As a leading manufacturer of activated carbon, with broad capabilities in ultraviolet light disinfection, the Company provides purification solutions for drinking water, wastewater, pollution abatement, and a variety of industrial and commercial manufacturing processes.

Calgon Carbon is the world’s largest producer of granular activated carbon and supplies more than 100 types of activated carbon products – in granular, powdered, pelletized and cloth form – for more than 700 distinct applications.

With the November 2016 acquisition of complementary wood-based activated carbon and filtration media capabilities located in Europe, Calgon Carbon is an even more global and diverse industry leader in activated carbon, reactivation, and filtration media in the form of diatomaceous earth and perlites.

Headquartered in Pittsburgh, Pennsylvania, the Company employs approximately 1,400 people and operates 22 manufacturing, reactivation, innovation and equipment fabrication facilities in the U.S., Asia, and in Europe, where Calgon Carbon is known as Chemviron.

For more information about Calgon Carbon’s leading activated carbon, filtration media, and ultraviolet light technology solutions, visit www.calgoncarbon.com.

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995

This communication contains “forward-looking” statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995, known as the PSLRA. These statements, as they relate to Calgon Carbon, its management or the proposed merger between Calgon Carbon and Kuraray, involve risks and uncertainties that may cause results to differ materially from those set forth in these statements. These statements are based on current plans, estimates and projections, and therefore, you are cautioned not to place undue reliance on them. No forward-looking statement can be guaranteed, and actual results may differ materially from those projected. Calgon Carbon does not undertake any obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise, except to the extent required by law. Forward-looking statements are not historical facts, but rather are based on current expectations, estimates, assumptions and projections about the business and future financial results, and other legal, regulatory and economic developments. Statements that use words such as “anticipates,” “believes,” “plans,” “expects,” “projects,” “future,” “intends,” “may,” “will,” “should,” “could,” “estimates,” “predicts,” “potential,” “continue,” “guidance,” and similar expressions identify these forward-looking statements that are intended to be covered by the safe harbor provisions of the PSLRA. Actual results could differ materially from the results contemplated by these forward-looking statements due to a number of factors, including: the failure to obtain governmental approvals of the merger on the proposed terms and schedule, and any conditions imposed on Calgon Carbon, Kuraray or the combined company in connection with consummation of the merger; the failure to obtain approval of the merger by the stockholders of Calgon Carbon and the failure to satisfy various other conditions to the closing of the merger contemplated by the merger agreement; restrictions imposed by outstanding indebtedness; worldwide and regional economic, business, and political conditions; changes in customer demand and requirements; business cycles and other industry conditions; the timing of new services or facilities; the ability to compete with others in the industries in which Calgon Carbon operates; the effects of compliance with laws; fluctuations in the value of currencies in major areas where operations are located; matters relating to operating facilities; the effect and costs of claims (known or unknown) relating to litigation and environmental remediation; the ability to develop and further enhance technology and proprietary know-how; the ability to attract and retain key personnel; disruption from the merger making it more difficult to maintain relationships with customers, employees or suppliers; changes in the economic climate in the markets in which Calgon Carbon owns and operates its businesses; the overall level of economic activity; the availability of consumer credit and mortgage financing, unemployment rates and other factors; Calgon Carbon’s ability to successfully integrate the New Business and achieve the expected results of the acquisition, including any expected synergies and the expected future accretion to earnings; changes in, or delays in the implementation of, regulations that cause a market for Calgon Carbon’s products; Calgon Carbon’s ability to successfully type approve or qualify its products to meet customer and end market requirements; changes in competitor prices for products similar to Calgon Carbon’s; higher energy and raw material costs; costs of imports and related tariffs; unfavorable weather conditions and changes in market prices of natural gas relative to prices of coal; changes in foreign currency exchange rates and interest rates; changes in corporate income and cross-border tax policies of the United States and other countries; labor relations; the availability of capital and environmental requirements as they relate to Calgon Carbon’s operations and to those of Calgon Carbon’s customers; borrowing restrictions; the validity of and licensing restrictions on the use of patents, trademarks and other intellectual property; pension costs; the results of litigation involving Calgon Carbon, including any litigation in connection with the proposed merger; information security breaches and other disruptions that could compromise Calgon Carbon’s information and expose Calgon Carbon to business interruption, increased costs, liability and reputational damage; and additional risks associated with the conduct of Calgon Carbon’s business, such as failure to achieve expected results and the risks that are described from time to time in Calgon Carbon’s reports filed with the SEC, including its annual report on Form 10-K for the year ended December 31, 2016, filed with the SEC on March 1, 2017.

Additional Information and Where to Find It

In connection with the proposed merger, a preliminary proxy statement on Schedule 14A was filed with the SEC on October 27, 2017. CALGON CARBON STOCKHOLDERS ARE ENCOURAGED TO READ THE PRELIMINARY PROXY STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED MERGER. The final proxy statement will be mailed to stockholders of Calgon Carbon holding shares as of the record date, which has not been set at this time. Investors and securityholders will be able to obtain the documents free of charge at the SEC’s website, www.sec.gov or from Calgon Carbon at the “Investors” section of its website, accessible via http://www.calgoncarbon.com/, or by contacting Dan Crookshank, Director – Investor Relations and Treasurer, at (412) 787-6795.

Participants in Solicitation

Calgon Carbon and its directors and executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies in respect of the proposed merger. Information concerning such participants is set forth in the proxy statement, filed with the SEC on Schedule 14A on March 23, 2017, for Calgon Carbon’s 2017 Annual Meeting of Stockholders and in its Annual Report on Form 10-K for the year ended December 31, 2016, filed with the SEC on March 1, 2017. Additional information regarding the interests of such participants in the solicitation of proxies in respect of the proposed merger is included in the preliminary proxy statement in respect of the proposed merger (and other relevant materials) filed with the SEC.

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