Exhibit

We consent to the incorporation by reference in the Registration Statements (No. 333‑120878 and 333-198332) on Form S-8 of The Mosaic Company of our report dated June 29, 2018, with respect to the statements of net assets available for benefits of the Mosaic Union Savings Plan as of December 31, 2017 and 2016, the related statements of changes in net assets available for benefits for the years then ended, and the supplemental Schedule H, line 4i - schedule of assets (held at end of year) as of December 31, 2017, which report appears in the December 31, 2017 annual report for Form 11-K of the Mosaic Union Savings Plan.