X0306 4 2018-12-07 0 0000918541 NN INC NNBR 0001360591 Holder Richard D 6210 ARDREY KELL ROAD CHARLOTTE NC 28277 1 1 0 0 President & CEO Common Stock 2018-12-07 4 P 0 4565 6.85 A 177966 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.83 to $6.85, inclusive. The reporting person undertakes to provide to NN, Inc., any security holder of NN, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ Matthew S. Heiter by Power of Attorney 2018-12-10