Exhibit 99.1

Joint Filer Information

Name of Joint Filer:	Michael Stuart Klein
Address of Joint Filer:	640 Fifth Avenue, 12th Floor
	New York, NY 10019
Relationship of Joint Filer to Issuer:	10% Owner (until October 8, 2020); Director
Issuer Name and Ticker or Trading Symbol:	MultiPlan Corporation [CCXX]
Date of Earliest Transaction Required to
be Reported:	October 6, 2020
Designated Filer:	Michael Stuart Klein

Signature:

/s/ Michael Stuart Klein

Name: Michael Stuart Klein

October 8, 2020

Joint Filer Information

Name of Joint Filer:	M. Klein Associates, Inc.
Address of Joint Filer:	640 Fifth Avenue, 12th Floor
	New York, NY 10019
Relationship of Joint Filer to Issuer:	10% Owner (until October 8, 2020)
Issuer Name and Ticker or Trading Symbol:	MultiPlan Corporation [CCXX]
Date of Earliest Transaction Required to
be Reported:	October 6, 2020
Designated Filer:	Michael Stuart Klein

Signature:

/s/ Jay Taragin

Name: Jay Taragin

Title: Authorized Signatory

October 8, 2020

Joint Filer Information

Name of Joint Filer:	Churchill Sponsor III LLC
Address of Joint Filer:	640 Fifth Avenue, 12th Floor
	New York, NY 10019
Relationship of Joint Filer to Issuer:	10% Owner (until October 8, 2020)
Issuer Name and Ticker or Trading Symbol:	MultiPlan Corporation [CCXX]
Date of Earliest Transaction Required to
be Reported:	October 6, 2020
Designated Filer:	Michael Stuart Klein

Signature:

By: M. Klein Associates, Inc., its manager

/s/ Jay Taragin

Name: Jay Taragin

Title:  Authorized Signatory

October 8, 2020