Sunlight Financial (SUNLQ) S-4 Registration of securities issued in business combination transactions

Exhibit 99.3

Execution Version

March 15, 2021

Spartan Acquisition Corp. II

9 West 57^th Street, 43^rd Floor

New York, NY 10019

Consent to Reference in Proxy Statement/Prospectus

Spartan Acquisition Corp. II (the “Company”) is filing a Registration Statement on Form S-4 with the U.S. Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”). In connection therewith, the undersigned hereby consents, pursuant to Rule 438 of Regulation C promulgated under the Securities Act, to being named and described in the proxy statement/prospectus included in such Registration Statement as a future member of the board of directors of the Company, such appointment to commence immediately after the effective time of the business combination described in the proxy statement/prospectus.

Sincerely,

/s/ Emil Henry

Emil Henry, Jr.