Company: CLH
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0000822818-25-000011
Chunk: 18

Company: CLEAN HARBORS INC
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 18
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 board diversity is consistent with the goal of creating a Board that best serves the needs of the Company and the interests of its shareholders and is one of the factors that they consider when identifying individuals for Board membership.

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The following tables summarize the composition of the Company’s Board:

In evaluating the suitability of individual Board members, the Corporate Governance and Sustainability Committee and the full Board take into account many factors in addition to high personal and professional ethics, integrity, and values, including particular industry or geographic experience, understanding of the business of the Company, particular disciplines such as finance, sales, management, engineering and technology, cybersecurity risk experience, and personal, educational, and professional background. The Corporate Governance and Sustainability Committee and the full Board evaluate each individual in the context of the Board as a whole, with the objective of recommending nominees for election as director who can best enhance the success of the Company and represent shareholder interests through the exercise of sound judgment, using the diversity of experience of the various directors. In choosing individuals to recommend for nomination to the Board, the Corporate Governance and Sustainability Committee seeks individuals with particular skills complementary and additive to those currently held by the Board or knowledge and experience that the Board is likely to need in the future. The Board also has a policy under which each director who wishes to stand for re-election will be evaluated by the other members of the Board based on such director’s contributions to the activities of the Board prior to being nominated by the Board for re-election.

#### Board Nomination Process
In the past, all nominees for the Board have been submitted to the Corporate Governance and Sustainability Committee by members of the Board. However, the Corporate Governance and Sustainability Committee will also consider shareholder recommendations for Board candidates. The Corporate Governance and Sustainability Committee has not adopted a formal policy with regard to the consideration of director candidates recommended by shareholders; however for any candidate properly proposed by a shareholder as described in the following paragraph, the Corporate Governance and Sustainability Committee will use the same evaluation criteria as are described above in assessing such candidate for purposes of potential recommendation to the Board.

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For the 2026 annual meeting of shareholders, any shareholder wishing to propose a candidate for consideration by the Corporate Governance and Sustainability Committee should deliver a notice addressed to the Chair, Corporate Governance and Sustainability Committee, in the manner described above under “Board of Directors Overview - Communications to the Independent Directors.” Unless the shareholder desires to formally nominate a director for election at the 2026 annual meeting, in which event the shareholder would