X0306 4 2012-09-12 0 0001020859 UNITED NATURAL FOODS INC UNFI 0001334739 Shamber Mark C/O UNITED NATURAL FOODS, INC. 313 IRON HORSE WAY PROVIDENCE RI 02908 0 1 0 0 SVP, Chief Financial Officer Common Stock 2012-09-12 4 M 0 1250 0 A 15995 D Common Stock 2012-09-12 4 F 0 424 58.12 D 15571 D Common Stock 3899 I See footnote Restricted Stock Unit 0 2012-09-12 4 M 0 1250 0 D Common Stock 1250 8750 D Restricted Stock Unit 0 2012-09-12 4 D 0 1250 0 D Common Stock 1250 7500 D Phantom Stock 0 2012-09-12 4 A 0 1250 0 A Common Stock 1250 15768 D On September 12, 2012, 2,500 shares of United Natural Foods, Inc. (the "Company") restricted stock units vested. Of these shares, the reporting person had previously elected to defer 1,250 shares to the Company's Deferred Compensation Plan. The Company retained 424 shares on that date to satisfy certain tax withholding obligations in connection with the vesting. Includes 2,210 shares of common stock allocated to the reporting person under the United Natural Foods, Inc. Employee Stock Ownership Plan and 1,689 shares of common stock allocated to the reporting person under the United Natural Foods, Inc. 401(k) Plan's UNFI Stock Fund as of September 13, 2012. Each restricted stock unit represents the right to receive one share of United Natural Foods, Inc. common stock upon vesting in accordance with the terms of the reporting person's restricted stock unit agreement. The restricted stock units vest in four equal annual installments beginning on the first anniversary of the date of grant. The security converts to common stock on a one-for-one basis subject to the terms of the United Natural Foods, Inc. Deferred Compensation Plan. Lisa N'Chonon, Power-of-Attorney, in-fact 2012-09-14