Exhibit 99.3

SECTION 1350 CERTIFICATIONS

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350 of chapter 63 of title 18 of the United States Code), the undersigned officer of Cresco Labs Inc. (the “Company”), hereby certifies, to such officer’s knowledge, that:

This annual report on Form 40-F for the fiscal year ended December 31, 2020 (the “Report”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 29, 2021 By: /s/ Charles Bachtell Charles Bachtell Chief Executive Officer

SECTION 1350 CERTIFICATIONS

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350 of chapter 63 of title 18 of the United States Code), the undersigned officer of Cresco Labs Inc. (the “Company”), hereby certifies, to such officer’s knowledge, that:

This annual report on Form 40-F for the fiscal year ended December 31, 2020 (the “Report”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 29, 2021 By: /s/ Dennis Olis Dennis Olis Chief Financial Officer