X0306 4 2018-05-08 0 0001043337 STONERIDGE INC SRI 0001679290 Hartman Robert J. Jr. 39675 MACKENZIE DRIVE, SUITE 400 NOVI MI 48377 0 1 0 0 Chief Accounting Officer Common Shares, without par value 2018-05-08 4 S 0 6393 27.8585 D 37281 D Performance Shares Common Shares, without par value 18120 18120 D The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions on May 8, 2018 at prices ranging from $27.85 to $27.90 per share. The Reporting Person undertakes to provide Stoneridge, Inc. and the SEC staff, upon request, full information on the number of shares sold at each price within the range. Each Performance Share represents a contingent right to receive one Company common share. The Performance Shares were granted to the Reporting Person under the Company's Long-Term Incentive Plan in 2016, 2017 and 2018 and will be earned (vest) three years after the date of grant contingent either (i) on continued employment until the third anniversary of the grant date, or (ii) on continued employment until the third anniversary of the grant date and the Company's performance over the applicable three year performance period. /s/ Robert M. Loesch, by power of attorney 2018-05-08