| As of December 31, 2021, Mr. Klein beneficially owned, in the aggregate, 52,019,016 shares of Class A Common Stock, par value $0.0001 per share (“Class A Common Stock”) of MultiPlan Corporation (the “Issuer”), which constitutes approximately 7.8% of the Issuer’s outstanding Class A Common Stock and includes (i) 7,293 shares of Class A Common Stock owned directly by Mr. Klein, which settled upon vesting of restricted stock units awarded to Mr. Klein for service on the Issuer’s board of directors, (ii) 27,500,000 shares of Class A Common Stock owned directly by Churchill Sponsor III LLC (“Churchill Sponsor III”), (iii) 24,500,000 shares of Class A Common Stock issuable upon the exercise of an equal number of warrants directly owned by Churchill Sponsor III, and (iv) 11,723 restricted stock units awarded to Mr. Klein for his service on the Issuer’s board of directors. Shares of Class A Common Stock owned by Churchill Sponsor III may be deemed to be indirectly owned by Mr. Klein, who is the sole stockholder of M. Klein Associates, Inc., the managing member of Churchill Sponsor III. As a result of this relationship, Mr. Klein may be deemed to have or share beneficial ownership of the securities held directly by Churchill Sponsor III. This Schedule 13G does not include 2,622,711 shares of Class A Common Stock owned by M. Klein & Company LLC, an entity in which Mr. Klein has a minority interest. Percentage ownership is based on 662,776,295 shares of Class A Common Stock outstanding, which includes (i) 638,276,295 shares of Class A Common Stock outstanding as of November 1, 2021, as reported in the Issuer’s Quarterly Report on Form 10-Q for the period ended September 30, 2021, filed with the Securities and Exchange Commission on November 4, 2021 (File No. 001-39228), and (ii) 24,500,000 currently exercisable warrants owned by Churchill Sponsor III. |