X0306 4 2018-04-30 0 0000918541 NN INC NNBR 0001360591 Holder Richard D 207 MOCKINGBIRD LANE JOHNSON CITY TN 37604 1 1 0 0 President & CEO Common Stock 2018-04-30 4 A 0 21509 0.00 A 165568 D Common Stock 2018-04-30 4 M 0 14752 0.00 A 180320 D Common Stock 2018-04-30 4 F 0 10019 20.30 D 170301 D Performance Rights 2018-04-30 4 M 0 14665 0.00 D Common Stock 14665 0 D Represents settlement of performance rights that vested on April 30, 2018 based on the return of invested capital of NN, Inc. (the "Issuer") over the performance period beginning February 1, 2015 and ending December 31, 2017. Represents the amount of shares delivered to satisfy applicable tax withholding obligations in connection with the vesting of shares of restricted stock and performance rights. Each performance right represented a contingent right to receive one share of common stock of the Issuer. The vesting of the performance rights was based on the relative total shareholder return ("TSR") of the Issuer, as compared to the TSR of the S&P SmallCap 600 Index over the period beginning on February 1, 2015 and ending December 31, 2017. The performance rights vested on April 30, 2018. Performance rights granted represented the right to receive the target shares, and actual performance rights earned resulted in a payout of 100.6% of the target shares. /s/ Matthew S. Heiter by Power of Attorney 2018-05-02