Exhibit 99.1

FIRST AMENDMENT

TO THE

STONERIDGE, INC.

AMENDED AND RESTATED LONG-TERM INCENTIVE PLAN, AS AMENDED

This First Amendment to the Stoneridge, Inc. Amended and Restated Long-Term Incentive Plan, as amended (the “Amendment”), is made as of February 5, 2013 by the Board of Directors (the “Board”) of Stoneridge, Inc., an Ohio corporation (the “Company”). The Amendment will be effective for all Awards granted under the Stoneridge, Inc. Amended and Restated Long-Term Incentive Plan, as amended (the “LTIP”), only after the effective date of this Amendment as described herein.

WHEREAS, the current LTIP, as previously approved by the Company and the Company’s shareholders, authorizes the issuance of 3,000,000 Company Common Shares under the LTIP;

WHEREAS, it is the desire of the Company to amend the LTIP, effective as of the date on which the Company’s shareholders approve this Amendment, to increase the maximum number of Common Shares that may be issued and available for Awards under the LTIP;

WHEREAS, the Board approved the Amendment on February 5, 2013, subject to approval by the Company’s shareholders;

NOW, THEREFORE, effective as of the date on which this Amendment is approved by the Company’s shareholders, the LTIP is amended as follows:

Section 3(a) of the LTIP is hereby amended and restated in its entirety as follows:

“Aggregate Shares Subject to the Plan . Subject to adjustment as provided in Section 3(c), the total number of Shares reserved and available for Awards under the Plan is 4,500,000, pursuant to which the maximum number of Shares which may be issued subject to Incentive Stock Options is 500,000. Any Shares issued hereunder may consist, in whole or in part, of authorized and unissued shares or treasury shares.”

Section 16 of the LTIP is hereby amended and restated in its entirety as follows:

“The Company’s Amended and Restated Long-Term Incentive Plan, as amended, was adopted by the Board of Directors on February 15, 2010, and was approved by the Company’s Shareholders on May 17, 2010, in accordance with applicable law and the listing standards of the New York Stock Exchange. On February 5, 2013 the Board of Directors approved an amendment to the Amended and Restated Long-Term Incentive Plan, as amended, to increase the number of Shares available for issuance and Awards thereunder by 1,500,000 Shares bringing the total to 4,500,000 Shares. The February 5, 2013 amendment is subject to the approval by the holders of the Company’s outstanding Shares, in accordance with applicable law and the listing standards of the New York Stock Exchange. This Amended and Restated Long-Term Incentive Plan, as amended, will become effective on the date of such shareholder approval.”

Exhibit 99.2

FIRST AMENDMENT

TO THE

STONERIDGE, INC.

AMENDED DIRECTORS’ RESTRICTED SHARES PLAN

This First Amendment to the Stoneridge, Inc. Amended Directors’ Restricted Shares Plan (the “Amendment”), is made as of February 5, 2013 by the Board of Directors (the “Board”) of Stoneridge, Inc., an Ohio corporation (the “Company”). The Amendment will be effective for all Awards granted under the Stoneridge, Inc. Amended Directors’ Restricted Shares Plan (the “Directors’ Plan”), only after the effective date of this Amendment as described herein.

WHEREAS, the current Directors’ Plan, as previously approved by the Company and the Company’s shareholders, authorizes the issuance of 500,000 Company Common Shares under the Directors’ Plan;

WHEREAS, it is the desire of the Company to amend the Directors’ Plan, effective as of the date on which the Company’s shareholders approve this Amendment, to increase the maximum number of Common Shares that may be issued and available for grants of Restricted Shares under the Directors’ Plan;

WHEREAS, the Board approved the Amendment on February 5, 2013, subject to approval by the Company’s shareholders;

NOW, THEREFORE, effective as of the date on which this Amendment is approved by the Company’s shareholders, the Directors’ Plan is amended as follows:

Section 4 of the Directors’ Plan is hereby amended and restated in its entirety as follows:

“The maximum aggregate number of Common Shares that may be issued under the Plan as Restricted Shares shall be 700,000 Common Shares, without par value. The shares that may be issued under the Plan may be authorized but unissued shares or issued shares reacquired by the Company and held as Treasury Shares. In the event of a reorganization, recapitalization, share split, share dividend, combination of shares, merger, consolidation, distribution of assets, or any other change in the corporate structure or shares of the Company, the Company will make such adjustments as it deems appropriate in the number and kind of Common Shares reserved for issuance under the Plan. In the event of any merger, consolidation or other reorganization in which the Company is not the surviving or continuing corporation, all Restricted Shares that were granted hereunder and that are outstanding on the date of such event shall immediately vest and no longer be subject to forfeiture on the date of such event.”

Section 16 of the Directors’ Plan is hereby amended and restated in its entirety as follows:

“16. Effective Date .

The Plan, as amended (changing the number of Common Shares that may be issued under the Plan in Section 4 from 500,000 to 700,000) shall become effective on the day it is approved by the Company’s shareholders.”