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Exhibit 99 Additional Information



       After a contribution effective June 4, 2013 of 10,937,982 of the

outstanding shares of common stock, par value $0.01 per share, of the

issuer (the "Common Stock") by Contran Corporation ("Contran") to KYCN

Acquisition Corporation ("KYCN"), a wholly owned subsidiary of Contran,

KYCN and Annette C. Simmons are the direct holders of 90.3% and 0.1%,

respectively, of the outstanding shares of common stock.



       Substantially all of Contran's outstanding voting stock is held by

trusts established for the benefit of certain children and grandchildren

of Harold C. Simmons (the "Trusts"), of which Mr. Simmons is the sole

trustee, or held by Mr. Simmons or persons or other entities related to

Mr. Simmons.  As sole trustee of each of the Trusts, Mr. Simmons has the

power to vote and direct the disposition of the shares of Contran stock

held by each of the Trusts.  Mr. Simmons, however, disclaims beneficial

ownership of any shares of Contran stock that the Trusts hold.



       Mr. Harold C. Simmons is chairman of the board of Contran.



       By virtue of the holding of the office and the stock ownership and

his service as trustee, as described above, (a) Mr. Simmons may be deemed

to control Contran, KYCN and the issuer and (b) Mr. Simmons may be deemed

to possess indirect beneficial ownership of the shares of the Common

Stock directly held by KYCN.  However, Mr. Simmons disclaims beneficial

ownership of the shares of Common Stock beneficially owned by KYCN.



       Annette C. Simmons is the wife of Harold C. Simmons and is the

direct holder of 13,457 shares of Common Stock.  Mr. Simmons may be

deemed to share indirect beneficial ownership of such shares.  Mr.

Simmons disclaims beneficial ownership of all shares that his wife holds

directly.  Mrs. Simmons disclaims beneficial ownership of all shares that

she does not hold directly.