X0306 4 2017-01-19 0 0001378950 U.S. Auto Parts Network, Inc. PRTS 0001240508 PHELPS BARRY 305 SCARBOROUGH ST. THOUSAND OAKS CA 91361 1 0 0 0 Restricted Stock Units 2017-01-19 4 A 0 1071 0.00 A Common Stock 1071 1071 D Granted pursuant to the U.S. Auto Parts Network, Inc. 2016 Equity Incentive Plan. Not applicable. The Restricted Stock Units shall vest in three equal installments at each of the Company's next three annual stockholder meetings, subject to the director's continued service to the Company through such vesting dates. /s/ David Eisler, as Attorney-in-Fact for Barry Phelps 2017-01-23