Exhibit 99.1

Schedule 13D

CUSIP No. 15942R 208

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D to which this Agreement is annexed as Exhibit 99.1, and any amendments thereto, is and will be filed on behalf of each of them in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

October 26, 2018

STRATEGIC VALUE PARTNERS, LLC
By:	/s/ James Dougherty
	Name:	James Dougherty
	Title:	Chief Financial Officer
SVP SPECIAL SITUATIONS III LLC
By:	/s/ James Dougherty
	Name:	James Dougherty
	Title:	Chief Financial Officer
SVP SPECIAL SITUATIONS IV LLC
By:	/s/ James Dougherty
	Name:	James Dougherty
	Title:	Chief Financial Officer
SVP SPECIAL SITUATIONS III-A LLC
By:	/s/ James Dougherty
	Name:	James Dougherty
	Title:	Chief Financial Officer
By:	/s/ Victor Khosla
	Victor Khosla

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