Calgon Carbon 8-K Entry into a Material Definitive Agreement

Exhibit 10.1

March 17, 2014

TO: Calgon Carbon Japan KK

Re: Renewal of the existing credit facility

Dear Sirs,

We are pleased to inform you that the short term credit facility currently provided to you by our bank will be renewed for another 1 (one) year based on the conditions mentioned as below.

Please note that those conditions are now applicable and no change was made.

[Short Term Credit Facility]

Amount	JPY1,500,000,000-
Signed on	March 31, 2010
Renewal Date	April 2, 2014
Maturity Date	April 2, 2015
Interest Rate	Short Term Prime Rate + 0.00%    OR BTMU Tibor + 1.15%
Guarantee	Joint and several guarantee issued by the parent company (*)
Security	Eligible Inventory and Eligible Receivables

(*Calgon Carbon Corporation)

Please note that, apart from the above mentioned facility, we are providing you  with a long term loan signed on May 10, 2013 (outstanding balance of JPY450,000,000-) expiring at May 10, 2017.

As for detail of the applicable conditions on the above mentioned facilities, please refer to the relevant original agreements.  Please feel free to contact with your relationship manager at Yaesurdori Commercial Banking Office in charge, should you have any inquiry.

Sincerely,

/s/  Authorized Representative

The Bank of Tokyo-Mitsubishi UFJ. Ltd.

Acknowledged by

/s/ Natsuo Watase

Date: March 18, 2014