EXHIBIT 99.1

This Statement on Form 4 is filed jointly by the Reporting Persons listed below. The principal business address of each of these Reporting Persons is 333 South Grand Avenue, 28th Fl., Los Angeles, CA 90071.

Name of Designated Filer: OAKTREE CAPITAL GROUP, LLC

Date of Event Requiring Statement: February 9, 2021

Issuer Name and Ticker or Trading Symbol: CHK

	PARTNERS LIMITED

	By:	/s/ Brian Lawson
	Name:	Brian Lawson
	Title:	Director

	BROOKFIELD ASSET MANAGEMENT INC.

	By:	/s/ Jessica Diab
	Name:	Jessica Diab
	Title:	Vice President - Legal & Regulatory

	OAKTREE CAPITAL GROUP HOLDINGS GP, LLC

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OAKTREE CAPITAL GROUP, LLC

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OAKTREE HOLDINGS, LLC

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OCM HOLDINGS I, LLC

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OAKTREE CAPITAL I, L.P.

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OAKTREE FUND GP I, L.P.

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

	OAKTREE FUND GP, LLC

	By:	/s/ Henry Orren
	Name:	Henry Orren
	Title:	Vice President

Oaktree Fund GP, LLC 3