Company: CLH
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0000822818-25-000011
Chunk: 19

Company: CLEAN HARBORS INC
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 19
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 need to comply with the procedures described below in this proxy statement under “Shareholder Proposals,” such notice should be delivered by not later than the close of business on March 22, 2026 (60 calendar days prior to the anniversary of the 2025 annual meeting). Such notice should include the name of the proposed candidate for election as a director and a brief biography, a document indicating the candidate's willingness to serve, evidence of the nominating person's ownership of Company stock, and certain other information about the candidate and the shareholder which is described in Article II, Section 2(b) of the Company’s By-Laws. A copy of the Company’s By-Laws as now in effect is available over the internet at the SEC's website at http://www.sec.gov as Exhibit 3.4D to the Company’s Current Report on Form 8-K filed on March 16, 2022, and may also be obtained without cost by writing to Clean Harbors, Inc., 42 Longwater Drive, Norwell, MA 02061, Attention: Executive Office.

#### Current Directors and Nominees
The following paragraphs provide information as of the date of this proxy statement about each of the Company’s 13 current directors. The directors include the five current Class III directors standing for re-election at the annual meeting, namely Michael L. Battles, Eric W. Gerstenberg, Andrea Robertson, Lauren C. States, and Robert J. Willett, and the eight current directors who are not standing for re-election at the annual meeting but will continue to serve in accordance with their current terms as Class I directors until 2026 or Class II directors until 2027.

The information includes age, positions, principal occupation, and business experience of each director for at least the past five years, the names of other publicly-held companies of which he or she currently serves as a director or has served as a director during the past five years, and any material legal proceedings during the past ten years which might be relevant to service as a director. The information also includes the Board committees on which each of the directors now serves. In addition to the information presented below regarding each director's specific experience, qualifications, attributes, and skills that led the Corporate Governance and Sustainability Committee and full Board to conclude that he or she should serve as a director, the Corporate Governance and Sustainability Committee and Board also believe that all of the directors have high personal and professional ethics, integrity and values, and each of them has demonstrated business acumen, sound