An investigation on behalf of investors, who currently hold shares of Calgon Carbon Corporation (NYSE:CCC), was announced concerning whether the takeover of Calgon Carbon Corporation by Kuraray Co., Ltd. for $21.50 per share is unfair to NYSE:CCC stockholders.

The investigation by a law firm concerns whether certain officers and directors of Calgon Carbon Corporation breached their fiduciary duties owed to NYSE:CCC investors in connection with the proposed acquisition.

On Sep. 21, 2017 Calgon Carbon Corporation (NYSE:CCC) and Kuraray Co., Ltd. (TYO:3405) announced that their respective Boards of Directors have approved, and the parties have entered into, a merger agreement under which Kuraray Co., Ltd. will acquire Calgon Carbon Corporation (NYSE:CCC) for $21.50 per share in cash, which equates to an equity value of approximately $1.1 billion, and a transaction value in excess of $1.3 billion, including Calgon Carbons net indebtedness.

However, the investigation concerns whether the offer is unfair to Calgon Carbon Corporation (NYSE:CCC stockholders. More specifically, the investigation concerns whether the Calgon Carbon Corporation (NYSE:CCC Board of Directors undertook an adequate sales process, adequately shopped the company before entering into the transaction, maximized shareholder value by negotiating the best price, and acted in the shareholders' best interests in connection with the proposed sale.