Exhibit

We consent to the incorporation by reference in the registration statement (No. 333-161884) on Form S-8 of United Natural Foods, Inc. of our report dated June 28, 2018, with respect to the statements of net assets available for benefits of the United Natural Foods, Inc. Retirement 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 on Form 11-K of the United Natural Foods, Inc. Retirement Plan.