UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.  )

Filed by the Registrant  x                             Filed by a Party other than the Registrant  

o

Check the appropriate box:

o Preliminary Proxy Statement
o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
x Definitive Proxy Statement
o Definitive Additional Materials
o Soliciting Material Pursuant to §240.14a-12

ATKORE INTERNATIONAL GROUP INC.

(Name of Registrant as Specified In Its Charter)

(Name(s) of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check the appropriate box):

x
No fee required

Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11
(1)

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(3)

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Fee paid previously with preliminary materials.materials

Check box if any part of the fee is offset as providedFee computed on table in exhibit required by Item 25(b) per Exchange Act Rule 0-11(a)(2)Rules 14a-6(i)(1) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.0-11
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LOGO

ATKORE INTERNATIONAL GROUP INC.

16100 South Lathrop Avenue

Harvey, Illinois 60426

To Our Stockholders:

NOTICE IS HEREBY GIVEN that the 2018


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Notice of Annual Meeting of Stockholders
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AGENDA:
To elect the nine directors named in this proxy statement to serve until the 2024 Annual Meeting of Atkore International Group Inc. will be heldStockholders (the "2024 Annual Meeting").
To hold a non-binding advisory vote approving executive compensation.
To hold a non-binding advisory vote on Wednesday, January 31, 2018, at 9:00 a.m. (Central Time), at The Waldorf Astoria Chicago, 11 E Walton St., Chicago, IL, 60611,the frequency of future advisory votes approving executive compensation.
To ratify the selection of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2023.
To transact such other business as may properly come before the Annual Meeting of Stockholders or at any reconvened meeting following purposes:

1.To elect the four Class II directors named in this proxy statement to serve until the 2021 Annual Meeting of Stockholders.

2.To hold anon-binding advisory vote approving executive compensation.

3.To ratify the selection of Deloitte & Touche LLP as the company’s independent registered public accounting firm for the fiscal year ending September 30, 2018.

4.To transact such other business as may properly come before the Annual Meeting of Stockholders or any reconvened meeting following any adjournment or postponement thereof.

The foregoing items of business are more fully described in our proxy statement filed with the U.S. Securities and Exchange Commission on or about December 15, 2017.

postponement thereof.


RECORD DATE:Only stockholders of record at the close of business on December 5, 2017November 30, 2022 are entitled to notice of, and to vote at, the Annual Meeting of Stockholders or any adjournment or postponement thereof.


We are again furnishing our proxy materials to all of our stockholders over the Internet rather than in paper form. We believe that this delivery process lowers the costs of printing and distributing our proxy materials and reduces our environmental impact, without impactingreducing our stockholders’stockholders' timely access to this important information. Accordingly, stockholders of record at the close of business on December 5, 2017November 30, 2022 will receive a Notice of Internet Availability of Proxy Materials (the “Notice"Notice of Internet Availability”Availability") and may vote at the Annual Meeting of Stockholders. Such stockholders will also receive notice of any postponements or adjournments of the meeting. The Notice of Internet Availability is being distributed to stockholders on or about December 15, 2017.

By Order of the Board of Directors,

LOGO

Daniel S. Kelly

Vice President, General Counsel and Secretary

December 15, 2017

13, 2022.

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By Order of the Board of Directors,
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Daniel S. Kelly
Vice President, General Counsel & Corporate Secretary
December 13, 2022



Whether or not you plan to attend the annual meeting, please vote by Internet at your earliest convenience or complete, sign, date and return the proxy card so that your shares will be represented at the meeting. You may choose to attend the meeting and personally cast your votes even if you vote by Internet or fill out and return a proxy card by mail. If you choose to attend the meeting in person, you may revoke your proxy and personally cast your votes at the meeting.


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ATKORE INC.
16100 South Lathrop Avenue
Harvey, Illinois 60426

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JANUARY 31, 2018:

The proxy statement and the annual report on Form27, 2023

10-K
for the fiscal year ended September 30, 2017 are available at www.proxyvote.com or www.investors.atkore.com.


TABLE OF CONTENTS

Page

QUESTIONS AND ANSWERS ABOUT THE PROXY MATERIALS AND ANNUAL MEETING

2

THE BOARD OF DIRECTORS AND CORPORATE GOVERNANCE

7

EXECUTIVE OFFICERS

21

EXECUTIVE COMPENSATION

23

COMPENSATION DISCUSSION AND ANALYSIS

23

COMPENSATION COMMITTEE REPORT

42

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

43

SECTION 16(A) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

45

CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS

46

REPORT OF THE AUDIT COMMITTEE

49

PROPOSAL 1: ELECTION OF DIRECTORS

50

PROPOSAL 2: ADVISORY VOTE TO APPROVE EXECUTIVE COMPENSATION

51

PROPOSAL 3: RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

52

OTHER BUSINESS

54

i


LOGO

ATKORE INTERNATIONAL GROUP INC.

16100 South Lathrop Avenue

Harvey, Illinois 60426

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JANUARY 31, 2018

The proxy statement and annual report to stockholders are available at

www.proxyvote.com or www.investors.atkore.com


In accordance with rules and regulations adopted by the U.S. Securities and Exchange Commission (the “SEC”"SEC"), we are pleased to provide access to our proxy materials over the Internet to all of our stockholders rather than in paper form. Accordingly, a Notice of Internet Availability of Proxy Materials (the “Notice"Notice of Internet Availability”Availability") has been mailed to our stockholders on or about December 15, 2017.13, 2022. Stockholders will have the ability to access the proxy materials on the websites listed above, or to request a printed set of the proxy materials be sent to them by following the instructions in the Notice of Internet Availability. By furnishing a Notice of Internet Availability and access to our proxy materials by the Internet, we are lowering the costs and reducing the environmental impact of our annual meeting.


The Notice of Internet Availability also provides instructions on how you may request that we send future proxy materials to you electronically by electronic mail or in printed form by mail. If you choose to receive future proxy materials by electronic mail, you will receive an electronic mail next year with instructions containing a link to those materials and a link to the proxy voting site. Your election to receive proxy materials by electronic mail or in printed form by mail will remain in effect until you terminate it. We encourage you to choose to receive future proxy materials by electronic mail, which will allow us to provide you with the information you need in a more timely manner, will save us the cost of printing and mailing documents to you and will conserve natural resources.

QUESTIONS AND ANSWERS ABOUT




TABLE OF CONTENTS
Page
Proxy Statement Summary
Corporate Governance at Atkore
Environment, Social & Governance
About the Board of Directors
Board Committees & Related Matters
Risk Oversight
Selection of Nominees for Election & Board Skills and Attributes
Director Compensation
Proposal 1: Election of Directors
Executive Officers & Compensation
Executive Officers
Compensation Discussion & Analysis
Human Resources & Compensation Committee Report
Executive Compensation Tables
CEO Pay Ratio
Delinquent Section 16(a) Reports
Security Ownership of Certain Beneficial Owners & Management
Proposal 2: Advisory Vote to Approve Executive Compensation
Proposal 3: Advisory Vote on Frequency of Advisory Executive Compensation Votes
Certain Relationships & Related Party Transactions
Proposal 3: Ratification of Selection of Independent Registered Public Accounting Firm
Pre-Approval Process
Audit and Related Fees
Report of the Audit Committee
Questions & Answers about the Annual Meeting
Other Business
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PROXY STATEMENT SUMMARY


THIS SUMMARY HIGHLIGHTS INFORMATION YOU WILL FIND IN THIS PROXY STATEMENT. AS IT IS ONLY A SUMMARY, PLEASE REVIEW THE COMPLETE PROXY MATERIALS AND ANNUAL MEETING

What are the proxy materials?

The board of directors of Atkore International Group Inc., a Delaware corporation (referred to as “Atkore,” the “Company,” “we,” “us,” or “our”), has made these proxy materials available to you on the Internet, or is providing printed proxy materials to you pursuant to your request, in connection with the solicitation of proxies for use at our 2018 Annual Meeting of Stockholders (the “Annual Meeting”) to be held on Wednesday, January 31, 2018, at 9:00 a.m. (Central Time), at The Waldorf Astoria Chicago, 11 E Walton St., Chicago, IL, 60611, for the purpose of considering and acting upon the matters set forth in this proxy statement.

This proxy statement includes important information that we are required to provide to you under SEC rules, and is designed to assist you in voting your shares. Instructions on how to access the proxy materials over the Internet or to request a printed copy may be found in the Notice of Internet Availability. These proxy materials are being made available or distributed to you on or about December 15, 2017. As a stockholder, you are invited to attend the Annual Meeting of Stockholders and are requested to vote on the proposals described in this proxy statement.

Why did we receive only one copy of the Notice of Internet Availability and how may I obtain an additional copy?

We are sending only one copy of our Notice of Internet Availability to stockholders who share the same last name and address, unless they have notified us that they want to continue receiving multiple copies. This practice, known as “householding,” is designed to reduce duplicate mailings and save significant printing and postage costs.

If your household received a single mailing this year and you would like to have additional copies of our Notice of Internet Availability mailed to you or you would like to opt out of this practice for future mailings, we will promptly deliver such additional copies to you if you submit your request to Atkore International Group Inc., c/o Secretary, 16100 South Lathrop Avenue, Harvey, Illinois, 60426. You may also contact us in the same manner if you received multiple copies of the Notice of Internet Availability and would prefer to receive a single copy in the future.

All stockholders and beneficial owners may access the proxy materials at www.proxyvote.com as well as the Company’s website—www.investors.atkore.com. If you would like to receive a paper orSTATEMENT BEFORE YOU VOTE.

e-mail
copy of our proxy materials, at no charge, please make the request by mail to Atkore International Group Inc., c/o Secretary, 16100 South Lathrop Avenue, Harvey, Illinois 60426, by Internet at www.proxyvote.com, by telephone to
1-800-579-1639,
requesting Daniel S. Kelly,
Annual Meeting InformationDATE AND TIMELOCATIONRECORD DATEPROXY MAIL DATE
January 27, 2023 at
8:00 a.m. (CT)
Waldorf Astoria Chicago, 11 E. Walton Street, Chicago, Illinois 60611November 30, 2022
On or about
December 13, 2022
How to VoteBY INTERNETBY PHONEBY MAILAT THE ANNUAL MEETING
Visit the website listed on your proxy cardCall the telephone number on your proxy cardSign, date and return your proxy card in the enclosed envelopeVote in person by following the instructions on page 57
e-mail
to sendmaterial@proxyvote.com.

What items of business will be voted on at the Annual Meeting?

The items of business scheduled to be voted on at the Annual Meeting are:

Proposal 1: The election of four nominees named in the proxy statement as Class II directors for a term expiring at the 2021 Annual Meeting of Stockholders.

Proposal 2: Anon-bindingVoting advisory vote approving executive compensation.

Proposal 3: The ratification of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2018.

To transact such other business as may properly come before the Annual Meeting of Stockholders or any reconvened meeting following any adjournment or postponement thereof.

How does the board of directors recommend I vote on these proposals?

Proposal 1: “FOR” each of the nominees named in the proxy statement as Class II directors for a term expiring at the 2021 Annual Meeting of Stockholders.

Proposal 2: “FOR” thenon-binding advisory vote approving executive compensation.

Proposal 3: “FOR” the ratification of Deloitte & Touche LLP as the company’s independent registered public accounting firm for the fiscal year ending September 30, 2018.

At the discretion of the proxy holders, either FOR or AGAINST, any other matter or business that may properly come before the Annual Meeting.

As of the date hereof, our board of directors is not aware of any other such matter or business to be transacted at our Annual Meeting. If other matters requiring a vote of the stockholders arise, the persons designated as proxies will vote the shares of common stock of the Company, par value $0.01 per share, represented by the proxies in accordance with their judgment on those matters.

Who is entitled to vote at the Annual Meeting?

The record date for stockholders entitled to notice of, and to vote at, the Annual Meeting is December 5, 2017. At the close of business on that date, we had 63,431,472 shares of common stock issued and outstanding and entitled to be voted at the Annual Meeting held by approximately 2 stockholders of record. A quorum is required for our stockholders to conduct business at the Annual Meeting. The presence in person or by proxy of the holders of record of a majority of the shares of common stock entitled to vote at the Annual Meeting is necessary to constitute a quorum at the Annual Meeting.:        Each outstanding share of common stock is entitled to one vote. Dissenters’ rights are not applicable to any of the matters being voted upon at the Annual Meeting.

By granting a proxy, you authorize the persons named in the proxy to represent you and vote your shares at the Annual Meeting. Those persons will also be authorized to vote your shares to adjourn the Annual Meeting from time to time and to vote your shares at any adjournments or postponements of the Annual Meeting.

Registered Stockholders. If your shares are registered directly in your name with our transfer agent, American Stock Transfer & Trust Company, LLC (“AST”), you are considered the stockholder of record with respect to those shares, and the Notice of Internet Availability was provided to you directly by us. As the stockholder of record, you have the right to grant your voting proxy directly to the Company’s representatives listed on its proxy card or to vote in person at the Annual Meeting.

Beneficial Stockholders.If your shares are held in a stock brokerage account or by a broker, bank, trustee or other nominee, you are considered the beneficial owner of shares held in “street name” and the Notice of Internet Availability was forwarded to you by your broker, bank, trustee or other nominee, who is considered, with respect to those shares, the stockholder of record. As the beneficial owner, you have the right to direct your broker, bank, trustee or other nominee how to vote your shares using the methods prescribed by your broker, bank, trustee or other nominee on the voting instruction card provided to you. Beneficial owners are also invited to attend the Annual Meeting.

However, since you are not the stockholder of record, you may not vote your shares in person at the Annual Meeting unless you follow your broker’s, bank’s, trustee’s or other nominee’s procedures for obtaining a legal proxy.

What votes are required to approve each of the proposals?

Proposal 1, the nominees for Class II director will be elected by a plurality of the votes cast of the outstanding shares of our common stock present in person or represented by proxy at the Annual Meeting and

entitled to vote on the election of directors, which means that the four nominees receiving the highest number of affirmative votes will be elected. In accordance with our second amended and restatedby-laws,
stockholders do not have the right to cumulate their votes for the election of directors.

Proposal 2, the

non-bindingAdmission advisory vote approving executive compensation, will be determined by the affirmative vote of the holders of at least a majority of the outstanding shares of common stock present in person or represented by proxy at the Annual Meeting and entitled to vote. As an advisory vote, this proposal is not binding. However, our board of directors and Compensation Committee will consider the outcome of the vote when making future compensation decisions for our executive officers.

Proposal 3, the ratification of the selection of Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending September 30, 2018, will be determined by the affirmative vote of the holders of at least a majority of the outstanding shares of common stock present in person or represented by proxy at the Annual Meeting and entitled to vote. The Audit Committee has sole and direct responsibility for the appointment, retention, termination, compensation, evaluation and oversight of the work of any independent registered public accounting firm engaged by the Company. The Audit Committee has already appointed Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending September 30, 2018. In the event of a negative vote on the ratification, the Audit Committee may reconsider its appointment of Deloitte & Touche LLP for fiscal 2018; however, the Audit Committee will consider the outcome of the vote for fiscal 2018 and when making appointments of our independent registered public accounting firm in future years.

How are brokernon-votes and abstentions counted?

The presence of a majority of the outstanding shares of common stock entitled to vote at the Annual Meeting, either in person or by proxy, will constitute a quorum. Shares of common stock represented by proxies at the meeting, including brokernon-votes and those that are marked “WITHHOLD AUTHORITY” or “ABSTAIN”, will be counted as shares present for purposes of establishing a quorum. Because brokernon-votes are not voted affirmatively or negatively, they will have no effect on the approval of any of the proposals, except where brokers may exercise their discretion on routine matters. A brokernon-vote occurs when a broker or nominee holding shares for a beneficial owner votes on one proposal, but does not vote on another proposal because the broker or nominee does not have discretionary voting power and has not received instructions from the beneficial owner. Neither withholding authority to vote with respect to one or more nominees nor a brokernon-vote will have an effect on the outcome of the election of directors in Proposal 1. As to Proposals 2 and 3, shares represented by proxies that are marked “ABSTAIN” will have the effect of a vote against the proposal, while a brokernon-vote will not have an effect on the outcome of any proposal other than Proposal 3. Only the ratification of the selection of our independent registered public accounting firm in Proposal 3 is considered a routine matter. Your broker will therefore not have discretion to vote on the“non-routine” matters set forth in Proposals 1 and 2 absent direction from you.

Can I vote in person at the Annual Meeting?

For stockholders with shares registered in the name of a brokerage firm or bank or other similar organization, you will need to obtain a legal proxy from the broker, bank, trustee or other nominee that holds your shares before you can vote your shares in person at the Annual Meeting. For stockholders with shares registered directly in their names with AST, you may vote your shares in person at the Annual Meeting.

What do I need to do to attend the Annual Meeting in person?

:    Space for the Annual Meeting is limited and admission will be on a first-come, first-served basis. Stockholders should be prepared to present (1) valid government photo identification, such as a driver’s license or passport;Please see the Q&A Section on page 55 for more information on attending in person.



Annual Meeting Agenda and (2) beneficial stockholders holding their shares through a broker, bank, trustee or other nominee

Vote Recommendations

will need to bring proof of beneficial ownership as of December 5, 2017, the record date, such as their most recent account statement reflecting their stock ownership prior to December 5, 2017, a copy of the voting instruction card provided by their broker, bank, trustee or other nominee or similar evidence of ownership.

May stockholders ask questions?

Yes. Representatives of the Company will answer stockholders’ questions of general interest following the meeting in accordance with the rules and regulations of the annual meeting.

Can I vote by Internet?

For beneficial stockholders with shares registered in the name of a broker, bank, trustee or other nominee, a number of brokerage firms and banks are participating in a program that offers an Internet voting option. Stockholders should refer to the voting instruction card provided by their broker, bank, trustee or other nominee for instructions on the voting methods they offer. Registered stockholders with shares registered directly in their names with AST will also be able to vote using the Internet. For instructions on how to vote, please refer to the instructions included on the Notice of Internet Availability.

If your shares are held in an account at a broker, bank, trustee or other nominee participating in this program or registered directly in your name with AST, you may vote those shares by accessing the Internet website address specified on your Notice of Internet Availability. The giving of such an Internet proxy will not affect your right to vote in person should you decide to attend the Annual Meeting.

The Internet voting procedures are designed to authenticate stockholders’ identities, to allow stockholders to give their voting instructions and to confirm that stockholders’ instructions have been recorded properly. If you vote by Internet, you do not need to send in a proxy card or vote instruction form. The deadline for Internet voting will be 11:59 p.m., Eastern Time, on January 30, 2018.

What if I return my proxy card but do not provide voting instructions?

If you provide specific voting instructions, your shares will be voted as you instruct. Unless contrary instructions are specified, if you sign and return a proxy card but do not specify how your shares are to be voted, the shares of the common stock of the Company represented thereby will be voted in accordance with the recommendations of the board of directors. These recommendations are: “FOR” election of the nominees listed in
MatterBoard Vote RecommendationPage Reference
(for more details)
Proposal 1Election of Directors
ü FOR
Proposal 2Advisory Vote to Approve Executive Compensation
ü FOR
Proposal 3Advisory Vote on Frequency of Future Advisory Executive Compensation Votes
ü 1 YEAR
Proposal 4Ratification of Selection of Independent Registered Public Accounting Firm
ü FOR


In this Proxy Statement, “we,” “our,” “us,” “Atkore” and the “Company” refer to Atkore, Inc., formerly known as directors ofAtkore International Group Inc.. a Delaware corporation; “Annual Meeting” refers to the Company, “FOR” the advisory vote approving executive compensation and “FOR” the ratification of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2018. A stockholder’s submission of a signed proxy will not affect his or her right to attend and to vote in person at the Annual Meeting.

How do I change or revoke my proxy?

Subject to any rules your broker, bank, trustee or other nominee may have, you may change your proxy instructions at any time before your proxy is voted at the Annual Meeting. A proxy may be revoked by a writing delivered to us stating that the proxy is revoked, by a subsequent proxy that is signed by the person who signed the earlier proxy and is delivered before or at the2023 Annual Meeting by voting again on a later date on the Internet (only your latest Internet proxy submitted prior to the Annual Meeting will be counted) or by attendance at the Annual Meeting and voting in person. Please note, however, that if a stockholder’s shares are held of record by a broker, bank, trustee or other nominee and that stockholder wishes to vote at the Annual Meeting, the stockholder must bring a legal proxy to the Annual Meeting.

Who will count and certify the votes?

Representatives of the firm of Broadridge Financial Solutions, Inc. (“Broadridge”) and the staff of our corporate secretary and investor relations offices will count the votes and certify the election results.Stockholders. The results will be publicly filed with the SEC on a Form8-K within four business days after the Annual Meeting.

How can I make a proposal or make a nomination for director for next year’s annual meeting?

You may present proposals for action at a future meeting or submit nominations for electionboard of directors only if you comply with the requirements(the "Board") of the proxy rules established by the SEC and our second amended and restatedby-laws, as applicable. In order for a stockholder proposal or nomination for director to be considered for inclusion in our proxy statementAtkore first made this Proxy Statement and form of proxy relatingcard available to stockholders on or about December 13, 2022.


ATKORE 2022 PROXY STATEMENT     1

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Good Corporate Governance Practices
Atkore is committed to keeping pace with regulatory developments, an ever evolving business landscape, and exemplary corporate governance systems. In doing so, we aim to uphold the highest standards of corporate governance, guided by our annual meetingvalues of stockholders to be heldAccountability, Teamwork, Integrity, Respect and Excellence. Our corporate governance practices ensure that we meet investor expectations and that our actions are aligned with our environment, social and governance ("ESG") efforts.

The Nominating and Governance Committee of the Board is responsible for oversight of ESG issues generally. The Committee, and any other Board members present, are informed of ESG progress by management and members of the executive team in a structured format on February 5, 2019,a quarterly basis. Certain ESG issues remain under the proposal or nomination must be received by us atoversight of specific committees and the full board. For example, our principal executive offices no later than October 3, 2018. Stockholders wishing to bring a proposal or nominate a director atHuman Resources & Compensation Committee maintains oversight of Diversity, Equity & Inclusion, and the annual meeting to be held in 2019 (but not include it in our proxy materials) must provide written notice of such proposal to our Secretary at our principal executive offices between October 3, 2018 and November 2, 2018 and comply with the other provisions of our second amended and restatedby-laws.

Who pays for the cost of proxy preparation and solicitation?

Ourfull board is responsible for topics such as Cybersecurity and Risk Management, which the solicitationfull board is briefed on every quarter.


We strive for our Board of proxies forDirectors to reflect the Annual Meeting. We have also retained Broadridgeracial, ethnic and gender diversity of our workforce and surrounding communities, and to aid incollectively maintain a diversity of skillsets that support our business needs. Our Board currently consists of seven males, including one person of color, and two females. With the solicitationappointment of brokers, banks, institutionalB. Joanne Edwards (as discussed on page 11 below), our board will include three females and other stockholders fortwo persons of color as of February 1, 2023. The board of directors as a fee of approximately $6,000 plus reimbursement of expenses. Broadridge will also assist us in the distribution of proxy materialswhole, each director, and provide voting and tabulation services for the Annual Meeting. All costseach committee are evaluated on an annual basis. Results of the solicitation of proxies willevaluation are reviewed to determine if action needs to be borne by us. We pay fortaken to improve the cost of proxy preparation and solicitation, including the reasonable charges and expenses of brokerage firms, banks, trusts or nominees for forwarding proxy materials to street name holders. We are soliciting proxies primarily by mail. In addition, our directors, officers and employees may solicit proxies by telephone or other means of communication personally. Our directors, officers and employees will receive no additional compensation for these services other than their regular compensation.

What is the board member annual meeting attendance policy?

Each continuing board member is expected to attend the Company’s annual meeting. All board members who served as memberseffectiveness of the board atand its committees.


Our Board has structured our corporate governance program to promote the timelong-term interests of stockholders, strengthen the 2017 Annual Meeting of Stockholders attended last year’s annual meeting.

THE BOARD OF DIRECTORS AND CORPORATE GOVERNANCE

Board StructureBoard's and Director Independence

Atkore was incorporatedmanagement's accountability and help build trust in the State of Delaware in November 2010. Atkore is the sole stockholder of Atkore International Holdings Inc. (“AIH”), which in turn is the sole stockholder of Atkore International, Inc. (“AII”). Prior to December 2010, we operated as the Tyco Electrical and Metal Products business of Tyco International Ltd., (“Tyco”). Atkore was initially formed as a holding company to hold ownership of AIH and to effect the transactions described below.

In December 2010, pursuant to the terms of the Investment Agreement (the “Investment Agreement”) by and among CD&R Allied Holdings, L.P. (the “CD&R Investor”), Tyco International Holdings S.à.r.l. (“Tyco Seller”), Tyco and AIH, (i) the CD&R Investor acquired shares of a newly created class of our cumulative convertible preferred stock (the “Preferred Stock”) that initially represented 51% of our outstanding capital stock (on anCompany.

as-converted
basis); and (ii) we issued shares of our common stock to the Tyco Seller that initially represented the remaining 49% of our outstanding capital stock. We refer to the transactions described in this paragraph as the “Transactions.”

In April 2014, we redeemed all of the shares of our common stock then held by the Tyco Seller, and the CD&R Investor converted shares of Preferred Stock held by it into shares of our common stock.

In June 2016 we completed an IPO of our common stock, pursuant to which the CD&R Investor sold an aggregate of 12,000,000 shares of our common stock. In a series of secondary offerings of our common stock

during fiscal 2017, the CD&R Investor reduced its remaining ownership in our company to approximately 48% as of December 5, 2017.

In connection with the IPO, we entered into a stockholders agreement (the “Stockholders Agreement”) with the CD&R Investor under which the CD&R Investor has the right to designate nominees for our board of directors, whom we refer to as “CD&R Designees,” subject to the maintenance of specified ownership requirements. The Stockholders Agreement grants the CD&R Investor the right to designate for nomination for election to our board of directors a number of CD&R Designees equal to:

at least a majority of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 50% of the outstanding shares of our common stock;

at least 40% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 40% but less than 50% of the outstanding shares of our common stock;

at least 30% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 30% but less than 40% of the outstanding shares of our common stock;

at least 20% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 20% but less than 30% of the outstanding shares of our common stock; and

at least 5% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 5% but less than 20% of the outstanding shares of our common stock

With respect to any vacancy of a CD&R Designee, the CD&R Investor has the right to designate a new director for election by a majority of the remaining directors then in office. See “Certain Relationships and Related Party Transactions—Stockholders Agreement.”

Under our second amended and restated certificate of incorporation, the number of members on our board of directors may be fixed by resolution adopted from time to time by the board of directors. Subject to the Stockholders Agreement, any vacancies or newly created directorships may be filled only by the affirmative vote of a majority of directors then in office, even if less than a quorum, or by a sole remaining director. Each director shall hold office until his or her successor has been duly elected and qualified, or until his or her earlier death, resignation or removal.

We are no longer a Controlled Company

Following the completion of the sale of shares of our common stock by the CD&R Investor on February 23, 2017, we ceased to be a “controlled company” within the meaning of NYSE corporate governance standards and our one year phase in period for full compliance with NYSE corporate governance standards commenced. Despite currently being eligible for certain exemptions to NYSE corporate governance rules and requirements during thisphase-in period, we currently do not rely on these exemptions. Only independent directors serve on our Audit Committee, Compensation Committee and Nominating and Governance Committee in compliance with all of the NYSE corporate governance rules and requirements.

Board Composition

Our board of directors is currently composed of eleven members. Our second amended and restated certificate of incorporation provides for a classified board of directors, with members of each class serving staggered three-year terms. Any additional directorships resulting from an increase in the number of directors will be distributed among the three classes so that, as nearly as possible, each class will consist ofone-third of the directors. We currently have three directors in Class I, four directors in Class II and four directors in Class III. The terms of directors in Classes I, II, and III end at the annual meetings in 2020, 2018, and 2019, respectively.

Director

ü

Class

Unclassified Board and Annual Election of Directors

Philip W. Knisely*

ü
Class I—Expiring 2020 Annual MeetingBoard and Committee Self-Evaluations and Director Evaluations
ü9 Director Nominees

John P. Williamson

ü
Class I—Expiring 2020 Annual MeetingSeparation of Chairman and Executive Officer Roles
üAnti-Hedging, Anti-Short Sale and Anti-Pledging Policies

A. Mark Zeffiro

ü
Class I—Expiring 2020 Annual MeetingIndependent Chairs of Audit, Human Resources & Compensation and Nominating & Governance Committees
üExecutive Compensation Driven by Pay for Performance

James G. Berges

ü
Class II—Expiring 2018 Annual MeetingRegular Executive Sessions of Independent Directors
üStock Ownership Guidelines for Executive Officers and Directors

Jeri L. Isbell

ü
Class II—Expiring 2018 Annual MeetingComprehensive Risk Oversight by the Board and its Committees
ü

Wilbert W. James Jr

Class II—Expiring 2018 Annual Meeting

Jonathan L. Zrebiec

Class II—Expiring 2018 Annual Meeting

Justin A. Kershaw

Class III—Expiring 2019 Annual Meeting

Scott H. Muse

Class III—Expiring 2019 Annual Meeting

Nathan K. Sleeper

Class III—Expiring 2019 Annual Meeting

William R. VanArsdale

Class III—Expiring 2019 Annual MeetingClawback Policy to Recapture Incentive Payments

*Chairman of the board of directors.

At each annual meeting of stockholders, the successors of the directors whose term expires at that meeting are elected to hold office for a term expiring at the annual meeting of stockholders held in the third year following the year of their election. The board of directors is therefore asking you to elect the four nominees for director whose terms expire at the Annual Meeting. James G. Berges, Jeri L. Isbell, Wilbert W. James Jr. and Jonathan L. Zrebiec, our Class II directors, have been nominated for reelection at the Annual Meeting. See “Proposal 1—Election of Directors” below.

Set forth below is biographical information as well as background information relating to each nominee’s and continuing director’s business experience, qualifications, attributes and skills and why the board of directors and Nominating and Governance Committee believe each individual is a valuable member of the board of directors. The persons who have been nominated for election and are to be voted upon at the Annual Meeting are listed first, with continuing directors following thereafter. The respective age of each individual below is as of December 5, 2017.

Nominees for Election to the Board of Directors in 2018

Class II—Nominees Whose Term Expires in 2021


Mr. James G. Berges

Age 70

Director of the Company since 2010

James G. Berges became a director in 2010. Mr. Berges has been an operating partner of Clayton, Dubilier & Rice, LLC (“CD&R”) since 2006. Mr. Berges was President of Emerson Electric Co. from 1999 and served as director of Emerson Electric Co. from 1997 until his retirement in 2005. Emerson Electric Co. is a global manufacturer of products, systems and services for industrial automation, process control, HVAC, electronics and communications, and appliances and tools. Mr. Berges currently serves as a director of PPG Industries, Inc. and NCI Building Systems, Inc. and chairman of the board of Core & Main L.P. (previously known as HD Supply Holdings, Inc.). He previously served on the board of directors of Diversey, Inc., as Chairman of the board of Sally Beauty Holdings, Inc. Mr. Berges holds a B.S. in Electrical Engineering from the University of Notre Dame.

Qualifications: Mr. Berges’ former leadership role at a global manufacturer provides our board valuable insight into the numerous operational, financial and strategic issues the Company faces. Further, Mr. Berges’ service on the boards of other public and private companies provides our board insight into the challenges currently faced by companies in a variety of markets.

Ms. Jeri L. Isbell

Age 60

Director of the Company since 2015

Jeri L. Isbell became a director in 2015. Until December 2016, Ms. Isbell was the Vice President of Human Resources and Corporate Communications for Lexmark International, Inc., a manufacturer of imaging and output technology and provider of enterprise services, a position she has held since February 2003. Prior to that, Ms. Isbell held a number of leadership positions at Lexmark, including Vice President, Compensation and Employee Programs and Vice President, Finance and U.S. Controller. Prior to joining Lexmark in 1991, Ms. Isbell held various positions at IBM. Ms. Isbell is a director of SiteOne Landscape Supply, Inc. Ms. Isbell holds a B.B.A. in Accounting from Eastern Kentucky University and an M.B.A. from Xavier University. She is a certified public accountant.

Qualifications: Ms. Isbell’s human resources and communications leadership positions provide our board with insight into key issues and market practices in these areas for public companies.

Atkore delivered record financial results and expanded our business through several strategic acquisitions in 2022

Mr. Wilbert W. James Jr.

Age 61

Director of the Company since 2017

Wilbert W. James Jr.became a director earlier in 2017. Mr. James was the President of Toyota Motor Manufacturing of Kentucky, Inc., (TMMK) through December 2017. Prior to joining TMMK, Mr. James worked in various positions within Toyota Motor’s U.S. operations for 30 years. He currently serves as a director of Central Bank & Trust in Lexington, KY and as head of its Audit Committee. He holds a B.S. in Mechanical Engineering Technology from Old Dominion University.

Qualifications:Mr. James experience in manufacturing and operations, with a significant focus in lean manufacturing, provides the board with insight into various operational, financial and strategic issues the Company encounters.


Fiscal year 2022 was a record year, as illustrated by the following financial metrics:

Net sales for fiscal 2022 increased $985.9 million to $3,913.9 million, an increase of 33.7%, compared to $2,928.0 million for fiscal 2021

Net income per diluted share increased to $20.30 from $12.19

ATKORE 2022 PROXY STATEMENT     2

Mr. Jonathan L. Zrebiec

Age 37

Director of the Company since 2010

Jonathan L. Zrebiec became a director in 2010. Mr. Zrebiec is a partner of CD&R, which he joined in 2004. Prior to joining CD&R, he worked at Goldman, Sachs & Co. in the Investment Banking Division. He currently serves as a director of Brand Energy & Infrastructure Services, Inc., NCI Building Systems, Inc. and Wilsonart International Holdings LLC, and previously served as a director of Hussmann International, Inc. and Roofing Supply Group, LLC. Mr. Zrebiec holds a B.S. in Economics from the University of Pennsylvania and an M.B.A. from Columbia Business School.

Qualifications:Mr. Zrebiec’s experience in the financial and investing community provides our board with insight into business strategy, improving financial performance, and the economic environment in which the Company operates.

Continuing Members of the Board of Directors

Class III—Directors Whose Term Expires in 2019

Mr. Justin A. Kershaw

Age 56

Director of the Company since 2017

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Justin A. Kershawbecame a director earlier in 2017. Mr. Kershaw is the Corporate Vice President and Chief Information Officer of Cargill, Incorporated. Prior to Cargill, he was the Senior Vice President and CIO at the Industrial Sector of Eaton Corporation. Earlier, while the CIO of W.L. Gore and Associates, he also served as an original member of the State of Delaware’s Information Technology Investment Council. He holds a B.A. in Economics from LaSalle University.

Qualifications:Mr. Kershaw’s global work experience in the broad technology sector provides the board with insight into various international operational, technology and strategic issues the Company encounters.

Mr. Scott H. Muse

Age 60

Director of the Company since 2015

Scott H. Musebecame a director in 2015. From 2002 until he retired in 2014, Mr. Muse served as President of Hubbell Lighting Inc., a leading manufacturer of lighting fixtures and controls and Group Vice President of Hubbell Inc., the parent

Gross profit for fiscal 2022 increased $514.4 million to $1,640.0 million, an increase of 45.7%, compared to $1,125.6 million for fiscal 2021

Net income increased $325.6 million to $913.4 million for fiscal 2022, as compared to $587.9 million for fiscal 2021

During fiscal 2022, operating activities provided $786.8 million of cash, compared to $572.9 million during fiscal year 2021


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Executive Compensation Highlights
Our executive compensation program is aligned with our business strategy and is designed to drive sustainable results, encourage executive retention, and align executive and stockholder interests.

Key features of our Executive Compensation Program:

company of Hubbell Lighting, an international manufacturer of electrical and electronic products fornon-residential and residential construction, industrial and utility applications. Prior to that, Mr. Muse was President and Chief Executive Officer of Lighting Corporation of America from 2000 to 2002 and President of Progress Lighting from 1993 to 2000. Additionally, he held leadership and management positions at Thomas Industries, American Electric and Thomas & Betts. Mr. Muse began his career in the electrical manufacturing industry in 1979. Mr. Muse holds a B.S. in Business Administration from Georgia Southern University.

Qualifications: Mr. Muse’s extensive knowledge and experience in business, leadership, sales, marketing and operations management provide our board with insight into the challenges and opportunities in the electrical manufacturing sector.

Mr. Nathan K. Sleeper

Age 44

Director of the Company since 2010

Nathan K. Sleeper became a director in 2010. Mr. Sleeper is a partner of CD&R and serves on CD&R’s Management and Investment Committees. Prior to joining CD&R in 2000, he worked in the investment banking division of Goldman, Sachs & Co. and at investment firm Tiger Management Corp. Mr. Sleeper is a director of Brand Energy & Infrastructure Services, Inc., CHC Group Ltd., NCI Building Systems, Inc. and Wilsonart International Holdings LLC. Mr. Sleeper previously served as a director of Beacon Roofing Supply, Inc., Culligan Ltd, HD Supply Holdings, Inc., Hertz Global Holdings, Hussmann International, Inc., Roofing Supply Group, LLC and U.S. Foods, Inc. Mr. Sleeper holds a B.A. from Williams College and an M.B.A. from Harvard Business School.

Qualifications:Mr. Sleeper’s broad experience in the financial and investment communities brings to our board important insights into business strategy and areas to improve the Company’s financial performance.

Mr. William R. VanArsdale

Age 66

Director of the Company since 2015

William R. VanArsdale became a director in 2015. From 2004 until his retirement on August 1, 2015, Mr. VanArsdale served as Group President of Eaton Corporation plc, a diversified power management company, where he led the hydraulics, filtration and golf grip business units. From 2001 to 2004, Mr. VanArsdale was President of Electrical Components Operation at Eaton, where he was also Operations Vice President of Global Sales and Service from 1999 to 2001. Prior to that, he spent 12 years in various leadership roles at Rockwell Automation. Mr. VanArsdale holds a B.S. in Electrical Engineering from Villanova University.

Qualifications:Mr. VanArsdale’s broad operations, sales and leadership experience in the manufacturing sector provide our board with insight into challenges and opportunities for the manufacturing sector.

Class I—Directors Whose Term Expires in 2020

Mr. Philip W. Knisely

Age 63

DirectorWhat We Do

üDeliver a significant percentage of target total direct compensation in the form of variable compensation tied to performance
üProvide an appropriate mix of short-term and long-term compensation
üRequire stock ownership and retention of a significant portion of equity-based awards
üProvide limited perquisites
üEngage an independent compensation consultant
üAllow the Company since 2010

to recoup incentive compensation for executive officers through a clawback policy
ü"Double Trigger" change in control vesting provisions

What We Don't Do
x

Philip W. Knisely became a directorGross-up excise taxes that may become due on change in control payments and has served as Chairmanbenefits

xProvide incentives that encourage excessive risk-taking
xGuarantee incentive awards for executive officers
xAllow hedging, pledging or short sales of our board ofsecurities by our officers and directors since, December 2010. Mr. Knisely has been an operating advisor to CD&R funds since 2010. In 2010, he retired from Danaher Corporation, a leading manufacturer of medical equipment and environmental and professional instrumentation, where he served for ten years as Executive Vice President and Corporate Officer. Prior to Danaher, Mr. Kniselyco-founded Colfax Corporation, a designer, manufacturer, and distributor of fluid handling products, serving as President and Chief Executive Officer. Previously, Mr. Knisely was President and Chief Executive Officer of AMF Industries, a privately held diversified manufacturer, and spent ten years at Emerson Electric. He serves as a director of Beacon Roofing Supply, Inc. and previously served on the board of directors of Diversey Inc. and Roofing Supply Group, LLC. Mr. Knisely formerly served as the Chairman of the Darden Foundation at the University of Virginia, where he received his M.B.A. He was also a GM Fellowship Scholar at Kettering University (formerly known as General Motors Institute), where he earned a B.S. in Industrial Engineering.

Qualifications: Mr. Knisely brings to our board his extensive management, operations and business experience, as well as his leadership, financial and core business skills, all of which qualify him to serve on our board of directors.

x

Mr. John P. Williamson

Age 56

Director of the Company since 2011

John P. Williamson has served as the Company’s President and Chief Executive Officer and as a director since June 2011. Prior to joining Atkore, Mr. Williamson spent six years with ITT Corporation, most recently as President of the Water & Wastewater Division, a global manufacturing company headquartered in Stockholm, Sweden. Prior to that, he was President of the Residential and Commercial Water Division and ITT Corporate Vice President and Director for Operational Excellence. Before joining ITT Corporation, Mr. Williamson was employed for more than 17 years within several operating divisions of Danaher Corporation. Until 2005, Mr. Williamson was the Senior Vice President of Global Operations for Fluke Corporation. Mr. Williamson also served as President of Jennings Technology Corporation. Additionally, he held leadership and management positions at Veeder-Root Company, Danaher Controls, Dynapar and Disc Instruments. Mr. Williamson began his career with Connector Technology, Inc. in 1981. Mr. Williamson is a member of the Board of Governors of the National Electrical Manufacturers Association. Mr. Williamson earned a B.A. in Business Administration from California State University, Fullerton and holds a Certificate in Strategic Marketing Management from Harvard Business School.Discount or reprice stock options

ATKORE 2022 PROXY STATEMENT     3

Qualifications: Mr. Williamson’s intimate knowledge of the Company’sday-to-day operations as President and Chief Executive Officer and his significant prior experience in the Company’s industry qualify him to serve on our board of directors.

Mr. A. Mark Zeffiro

Age 51

Director of the Company since 2015

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CORPORATE GOVERNANCE

A. Mark Zeffiro became a director in 2015. Mr. Zeffiro is President and Chief Executive Officer at Horizon Global Corporation, a designer, manufacturer and distributor of custom-engineered towing, trailering, cargo management products and accessories. In July 2015, Horizon Global was formed as a stand-alone, publicly traded company from a division of TriMas Corporation, where Mr. Zeffiro was Group President. Prior to that, Mr. Zeffiro spent seven years as the Chief Financial Officer at TriMas with responsibility for investor relations, financial planning, external reporting, business analysis, treasury, tax and corporate capital. Mr. Zeffiro also spent four years at Black and Decker Corporation as Vice President of Finance for Global Consumer Products Group and Vice President of Finance for the U.S. Consumer Products Group. Mr. Zeffiro began his career at General Electric Company, where he held roles of progressive responsibility during his15-year tenure, culminating in the position of chief financial officer of the Americas and Global Imaging Equipment division within the GE Medical Systems Group. Mr. Zeffiro earned a B.S. in Quantitative Analytics from Bentley College.

Qualifications: Mr. Zeffiro’s current and past leadership positions provide our board with insight into improving financial and operational performance at public companies.

Director Independence

Our board


Atkore is Committed to Good Corporate Governance and Building Better Together
Building Better Together encompasses our commitment to our stockholders, employees, customers, suppliers, stockholders, and communities to develop innovative products and achieve breakthrough results. We strive to strengthen the accountability and integrity of directors has determined, after considering allour Board and management to build public trust, and our corporate governance practices and policies promote the long-term interests of the relevant facts and circumstances, that Messrs. James, Kershaw, Muse, VanArsdale and Zeffiro and Ms. Isbell are “independent” as defined under NYSEour stockholders, employees and the Securities Exchange Actcommunities we operate in. The Board regularly reviews developments in corporate governance and updates its practices and governance materials as it deems necessary and appropriate.

Key Governance Materials
üCertificate of Incorporation
üBylaws
üCorporate Governance Guidelines
üCharter for Each Board Committee
üCode of Business Conduct and Ethics
üCode of Financial Ethics
üWhistleblower Protection Policy
üHuman Rights Policy
üSupplier Code of Conduct
üAnti-Bribery and Anti-Corporation Policy
These documents are available on our website at http://investors.atkore.com/governance.

Environment, Social and Governance
Atkore’s commitment to responsible and sustainable business practices is deeply ingrained throughout our company and reflected in the Atkore Business System fundamentals of 1934, as amended (the “Exchange Act”) rulesStrategy, People, and regulations. This means that noneProcess. On our journey to Build Better Together, we seek a balance between profitability and protection of all stakeholders, while reducing our impact on climate and the independent directors has any direct or indirect material relationship with us, either directly or as a partner, stockholder or officer ofenvironment. Our focus is on maintaining an organization that hasprovides opportunities for all employees, maintains the highest standards of integrity and exemplary corporate governance, and supports the communities our employees call home. We believe doing the right things for our stakeholders will result in continuing business success.

The following is summary of our ESG initiatives. To learn more, view our Sustainability Report at https://investors.atkore.com/environment-social-and-governance/overview.

Environment, Health and Safety
Atkore seeks to comply with all applicable environmental, health and safety laws, including those governing air emissions, hazardous waste management and wastewater discharges. We view sustainability as critical to the strength, safety and longevity of our business. We drive continuous improvement in safety and environmental performance standards through Atkore’s Safety and Environment Management System (SEMS), with which all employees, contractors and visitors are required to comply. Today, each of our sites monitor safety performance on a relationshiproutine basis as part of SEMS.

Atkore is deeply committed to improvements in energy performance across our manufacturing sites and office buildings. Through our ongoing partnership with us.

Board Leadership Structure

ENERGY STAR® and internal initiatives, we take action to use natural resources responsibly, reduce waste, preserve water, and decrease our energy use and green house gas emissions.


Our boardproducts also provide an opportunity for Atkore to contribute to mitigating climate impacts. We continue to increase product offerings that support a lower-carbon economy, such as our solar support solutions and lighter-weight, durable conduit products.


ATKORE 2022 PROXY STATEMENT     4

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Diversity, Equity and Inclusion ("DEI")
We strongly believe that supporting a diverse, equitable and inclusive workplace fosters a culture of directorsopenness and is ledkey to achieving our business strategy. Our DEI philosophy helps create a workplace that is welcoming to all and represents diversity of thought, backgrounds and personal experiences, which unlocks an employee’s individual potential and Atkore’s organizational potential. We regularly evaluate our progress on DEI, from the factory floor to the executive team. Our DEI Steering Committee, in partnership with each facility's site specific DEI Champion, leads many of our programs and internal efforts, evaluating how we can continue to improve and create a more inclusive culture. Atkore’s DEI calendar helps us celebrate the diversity of our employees and communities.

In 2022, we expanded the prior year's launch of unconscious bias training for salaried employees to now include the hourly workforce, reflecting our ambition to embed equity and inclusion across our business. We also expanded our anti-harassment policy to expressly prohibit bullying, in addition to discrimination and all forms of harassment, and all Atkore employees are required to complete anti-harassment training. Our DEI Steering Committee sponsored a number of community events and contributions in 2022, including back-to-school backpack drives for lower social-economic communities, and engagement with a variety of LGBTQIA+ community organizations.

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*As of November 30, 2022

Human Capital Management
One of the three fundamentals of the Atkore Business System is People. To continue our success and build a better future together, we must attract and retain high-caliber talent. We dedicate significant resources to develop and support our employees. In addition to many other awards, in 2022, Atkore was recognized as a Great Place to Work-Certified TM company for the second year in a row.

Nothing is more important than the safety and well-being of our employees. In 2021, we launched a company wide "Let’s Make It Home" safety brand to reinforce our commitment to working safely, bringing your authentic self to work, and getting home to our families and loved ones.

Atkore is committed to supporting human rights and fair labor practices for our employees, suppliers, contractors, business partners and in the communities where we operate. We will not tolerate human rights abuses of any kind, including human trafficking, child labor or incidents of corruption within our company or supply chain. Our Human Rights Policy defines our dedication to protecting human rights, is informed by our core values and is aligned with national and international principles of human rights.
non-executive
Chairman, Mr. Knisely,
Data Privacy/Cyber Security
Strong data privacy and cybersecurity measures are a CD&R Designee. The Stockholders Agreement provides that a CD&R Designee will serve as our Chairmanbusiness imperative. Our Board of the board of directors as long as the CD&R Investor beneficially owns at least 25% of the outstanding shares of our common stock. As stated in our Corporate Governance Guidelines, the boardDirectors plays an important oversight role and reviews cybersecurity measures quarterly. Atkore has no policy with respectimplemented many policies and procedures to the separation of the offices of Chairman of the Board and CEO. The board believes it is important to retain its flexibility to allocate the responsibilities of the offices of the Chairman and CEO in any way that is in the best interests of the company at a given point in time. The board believes this governance structure currently promotes a balance between the board’s independent authority to overseesafeguard our business against digital attacks, including multi-factor authentication, third-party tools, a crisis playbook and the CEOmandatory, monthly employee training and his managementtesting. Within our IT department, we have a dedicated team who manage the business onresponsible for cyber security. We have also developed aday-to-day basis. If the board chooses to combine the offices of Chairman cyber-dashboard and CEO in the future, a lead director will be appointed annuallythree-year roadmap informed by the independent directors. The board expectsCenter for Internet Security framework to periodically review its leadership structure to ensure that itguide our short-and-long-term initiatives. As the cybersecurity landscape continues to meet our needs.

evolve, Atkore will strengthen policies, procedures and resources accordingly.

Meetings of


ATKORE 2022 PROXY STATEMENT     5

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About the Board of Directors and Attendance at the Annual Meeting

Our board of directors held 9 meetings during the fiscal year ended September 30, 2017. Each of our directors attended at least 75% of the total number of meetings of the board and any committees during the period in which he or she was a director or a member of any committee, as applicable. Directors are required to attend our annual meetings. All board members who served as members of the board at the time of the 2017 Annual Meeting of Stockholders attended last year’s annual meeting.

Executive Sessions

Executive sessions, which are meetings of thenon-management members of the board of directors, are regularly scheduled throughout the year. In addition, at least once a year, the independent directors are afforded the opportunity to meet in a private session that excludes management andnon-independent directors. At each of these meetings, thenon-management and independent directors in attendance, as applicable, will determine which member will preside at such session. The committees of the board, as described more fully below, also meet regularly in executive session.

Corporate Governance

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Corporate Governance Guidelines

Our board of directors has adopted Corporate Governance Guidelines to address significant corporate governance issues. A copy of these guidelines is available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documentsgovernance. These guidelines provide a framework for our corporate governance initiatives and cover topics including, but not limited to, director qualification and responsibilities, board composition, director compensation and management and succession planning. The Nominating and Governance Committee is responsible for overseeing and reviewing the guidelines and reporting and recommending to our board of directors any changes to the guidelines.

During fiscal year 2019, the board revised the Company's Corporate Governance Guidelines to limit non-employee directors to no more than four total public company boards.


Code of Business Conduct and Ethics and Financial Code of Ethics

We have a Code of Business Conduct and Ethics that applies to all of our officers, employees and directors, and our board of directors has adopted a Financial Code of Ethics that applies to our Chief Executive Officer, Chief Financial Officer, corporate officers with financial, accounting and reporting responsibilities, including the Corporate Controller, Treasurer and chief accounting officers, and any other person performing similar tasks or functions. The Financial Code of Ethics and the Code of Business Conduct and Ethics each address matters such as conflicts of interest, confidentiality, fair dealing and compliance with laws and regulations. The Financial Code of Ethics and the Code of Business Conduct and Ethics are available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documentsgovernance.

We will promptly disclose any substantive changes in or waiver of, together with reasons for any waiver of, either of these codes granted to our officers, including our Chief Executive Officer, Chief Financial Officer, corporate officers with financial, accounting and reporting responsibilities, including the Corporate Controller, Treasurer and chief accounting officers, and any other person performing similar tasks or functions, and our directors, by posting such information on our website atat:
http://investors.atkore.com/governance-documentsgovernance.

ATKORE 2022 PROXY STATEMENT     6

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Director Independence
Our board determined, after considering all of the relevant facts and circumstances, that all members of the board, with the exception of Mr. Waltz, are “independent” as defined under NYSE and the Securities Exchange Act of 1934, as amended (the “Exchange Act”) rules and regulations. This means that none of the independent directors have any direct or indirect material relationships with the Company, either directly or as a partner, stockholder or officer of an organization that has a relationship with Atkore.

Board Leadership Structure
Our board is led by our non-executive Chairman, Mr. Michael V. Schrock. As stated in our Corporate Governance Guidelines, the board has no policy with respect to the separation of the offices of Chairman of the board and CEO. The board believes it is important to retain its flexibility to allocate the responsibilities of the offices of the Chairman and CEO in any way that is in the best interests of the Company at a given point in time. The board believes this governance structure currently promotes a balance between the board’s independent authority to oversee our business and the CEO and his management team who manage the business on a day-to-day basis. If the board chooses to combine the offices of Chairman and CEO in the future, a lead director will be appointed annually by the independent directors. The board expects to periodically review its leadership structure to ensure that it continues to meet our needs.

Meetings of the Board of Directors and Attendance at the Annual Meeting
Our board held eight meetings during the fiscal year ended September 30, 2022. Each of our directors attended at least 75% of the total number of meetings of the board and any committees during the period in which he or she was a director or a member of such committee, as applicable.

Directors are required to attend our annual meetings. All board members who served as members of the board at the time of the 2022 Annual Meeting of Stockholders attended last year’s annual meeting.

Annual Evaluation of the Board, Directors and Committees

Our

The board evaluates the performance of the board of directors as a whole, each director and each committee on an annual basis. The evaluation is conducted through a survey where each director records his or her views anonymously on board and committee performance, including the Company’s performance as relates to board activities. The entire board reviews the results of the survey and determines what, if any, actions should be taken in the upcoming year to improve its effectiveness, and the effectiveness of each committee. The evaluation also includes a component, coordinated by the Chairman of the board, relating to individual director performance, CEO priorities and improvements for the board and the Company in the coming year.

Communications with the Board
Any stockholder or interested party who wishes to communicate with our board as a whole, the independent directors, or any individual member of the board or any committee of the board may write to or email the Company at: Atkore Inc., c/o Corporate Secretary (Legal Department), 16100 South Lathrop Avenue, Harvey, Illinois, 60426 or BoardofDirectors@atkore.com.

The board has designated the Company’s Corporate Secretary as its agent to receive and review written communications addressed to the board, any of its committees, or any board member or group of members. The Corporate Secretary may communicate with the sender for any clarification. In addition, the Corporate Secretary will promptly forward to the Chair of the Audit Committee any communication alleging legal, ethical or compliance issues by management or any other matter deemed by the Corporate Secretary to be potentially material to the Company. As an initial matter, the Corporate Secretary will determine whether the communication is a proper communication for the board. The Corporate Secretary will not forward to the board, any committee or any director communications of a personal nature or not related to the duties and responsibilities of the board, including, without limitation, junk mail and mass mailings, business solicitations, routine customer service complaints, new product or service suggestions, opinion survey polls or any other communications deemed by the Corporate Secretary to be immaterial to the Company.

ATKORE 2022 PROXY STATEMENT     7

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Separately, the Audit Committee has established a whistleblower policy for the receipt, retention and treatment of complaints received by the Company regarding accounting, internal accounting controls or auditing matters and the confidential, anonymous submission by associates of the Company of concerns regarding questionable accounting or auditing matters.
Board Composition
Under our Certificate of Incorporation, the number of members on our board may be fixed by resolution adopted from time to time by the board. Any vacancies or newly created directorships may be filled only by the affirmative vote of a majority of directors then in office, even if less than a quorum, or by a sole remaining director. Each director shall hold office until his or her successor has been duly elected and qualified, or until his or her earlier death, resignation or removal.

Our board is currently composed of nine members, and shall be temporarily expanded to ten members as of February 1, 2023 (see discussion on appointment of B. Joanne Edwards on page 11). At the 2019 Annual Meeting of Stockholders, our stockholders approved the management proposal to declassify the board, beginning at the 2020 Annual Meeting. As a result, we will now have a fully declassified board.

Under our currently applicable Certificate of Incorporation and By-laws, at each annual meeting of stockholders the successors of the directors whose term expires at that meeting are elected to hold office for a one-year term, expiring at the next annual meeting of stockholders following the year of their election. The board is therefore asking you to elect all nine nominees for director whose terms expire at the Annual Meeting. See “Proposal 1—Election of Directors” below.

Executive Sessions
Executive sessions, which are meetings of the non-management members of the board, are regularly scheduled throughout the year. In addition, at least once a year, the independent directors are afforded the opportunity to meet in a private session that excludes management. The committees of the board, as described more fully below, also meet regularly in executive session.

Board Committees
Our board maintains an Audit Committee, a Human Resources & Compensation Committee, a Nominating and& Governance Committee and an Executive Committee. Below is a brief description of our committees. The following table shows the current members and chair of each committee and the number of meetings held during fiscal 2017.

year 2022. In 2020, the board implemented a five-year term limit for committee chair positions.
Audit HR & Compensation Nominating &
Governance
 Executive
Michael V. SchrockX
Jeri L. Isbell XX
Wilbert W. James, Jr.
X+
X 
Betty R. JohnsonX* X
Justin A. Kershaw
X+
X
Scott H. Muse
X-
 X*X
William R. VanArsdaleX* X X
William E. Waltz, Jr.X
A. Mark Zeffiro
X-
X
Number of Meetings4640
X= Current Committee Member; * = Chair
+ Messrs James and Kershaw joined the Audit Committee as of the July 27, 2022 meeting

Each member of the board was invited to attend any committee meeting, even if he or she was not a member of that committee, and most often this past year, the full board attended each committee meeting.
ATKORE 2022 PROXY STATEMENT     8

Director (1)

AuditCompensationNominating and
Governance
Executive

Jeri L. Isbell

XX

Wilbert W. James, Jr

X

Justin A. Kershaw

X

Philip W. Knisely

X

Scott H. Muse

XX

Nathan K. Sleeper

X

William R. VanArsdale

XX

John P. Williamson

X

A. Mark Zeffiro

X

Number of Meetings

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X= Current Committee Member; * = Chair

(1)In fiscal 2017, each member of the board of directors was invited to attend any committee meeting, even if he or she was not a member of that committee.


Audit Committee

Our Audit Committee is responsible, among its other duties and responsibilities, for overseeing our accounting and financial reporting processes, the audits of our financial statements, the qualifications and independence of our independent registered public accounting firm, the effectiveness of our internal control over financial reporting and the performance of our internal audit function and independent registered public accounting firm. Our Audit Committee is responsible for reviewing and assessing the qualitative aspects of our financial reporting, our processes to manage business and financial risks, and our compliance with significant applicable legal, ethical and regulatory requirements. Our Audit Committee is directly responsible for the appointment, compensation, retention and oversight of our independent registered public accounting firm. The charter of our Audit Committee is available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documents.

governance.


The members of our Audit Committee are Mr.for the full year were Ms. Johnson (Chair), Messrs. Muse and Zeffiro, (Chairperson), Ms. Isbellwith Messrs. James and Mr. Muse.Kershaw joining as members as of the July 27, 2022 meeting for a total of five members. Our board of directors has designated each ofboth Mr. Zeffiro and Ms. IsbellJohnson as an “audit committee financial expert,” and each of the three members has been determined to be “financially literate” under NYSE rules. Our board of directors has also determined that each of the three members is “independent” as defined under the NYSE rules and the Exchange Act and rules and regulations promulgated thereunder; therefore, we meet the independence requirements of Rule10A-3 under the Exchange Act or the NYSE rules. The charter of our Audit Committee states that no director may serve on the Audit Committee if such director simultaneously serves on the audit committee of more than three public companies (including the Company), unless the board of directors determines that such simultaneous service would not impair the ability of such director to effectively serve on the Company’s Audit Committee. At present,As of the date of this proxy statement, none of our Audit Committee members are serving on more than three audit committees of public companies.


Human Resources & Compensation Committee

Our Human Resources & Compensation Committee is responsible, among its other duties and responsibilities, for reviewing and approving all forms of compensation to be provided to, and employment agreements with, the executive officers and directors of our company and its subsidiaries (including the Chief Executive Officer, subject to final approval by our board of directors)board), establishing the general compensation policies of our company and its subsidiaries and reviewing, approving and overseeing the administration of the employee benefits plans of our company and its subsidiaries. Our Human Resources & Compensation Committee is also responsible for periodically reviewing management development and succession plans. The charter of our Human Resources & Compensation Committee is available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documents.

governance.


The members of our Human Resources & Compensation Committee are Ms. Isbell (Chairperson) and Messrs. VanArsdale (Chair), Kershaw and VanArsdale,Zeffiro, all of whom are independent directors; therefore, the committee meets all NYSE listing requirements. The written charter of our Human Resources & Compensation Committee addresses the committee’s purpose and responsibilities and the requirement that there be an annual performance evaluation of the Human Resources & Compensation Committee. To the extent that one is required in the future, we intend to establish a
sub-committee
of our Compensation Committee for purposes of approving any compensation that we may wish to qualify as “performance-based compensation” under Section 162(m) of the U.S. Internal Revenue Code of 1986, as amended (the “Code”).

The Human Resources & Compensation Committee has the authority to retain compensation consultants, outside counsel and other advisers. During fiscal 2017,year 2022, the committee engaged Frederic W. Cook & Co., Inc. (“FW Cook”) to advise it on executive compensation program-design matters and to prepare market studies of the competitiveness of components of the company’sCompany’s compensation program for its senior executive officers, including the named executive officers andnon-employee directors. FW Cook is a global professional services company. The Human Resources & Compensation Committee performed an assessment of FW Cook’s independence to determine whether the consultant is independent, taking into account FW Cook’s executive compensation consulting protocols to ensure consultant independence and other relevant factors. Based on that assessment, the Human Resources & Compensation Committee determined that the firm’s work has not raised any conflict of interest and the firm is independent.


ATKORE 2022 PROXY STATEMENT     9

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Nominating and Governance Committee

Our Nominating and Governance Committee is responsible, among its other duties and responsibilities, for identifying and recommending candidates to the board of directors for election to our board, of directors, reviewing the composition of the board of directors and its committees, developing and recommending to the board of directors corporate governance guidelines that are applicable to us, and overseeing board of directors evaluations. The charter of our Nominating and Governance Committee is available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documents.

governance.


The members of our Nominating and Governance Committee are Messrs. Muse (Chairperson)(Chair), James and VanArsdale and Ms. Isbell, all of whom are independent directors; therefore, the committee meets all NYSE listing requirements. Beginning at the January 2023 meeting, Ms. Isbell will serve as Chair of the Nominating and Governance Committee. The written charter of our Nominating and Governance Committee addresses the committee’s purpose and responsibilities and the requirement that there be an annual performance evaluation of the Nominating and Governance Committee.


Executive Committee

The Executive Committee is responsible, among its other duties and responsibilities, for assisting the board of directors with its responsibility and, except as may be limited by law, our second amended and restated certificateCertificate of incorporationIncorporation or our second amended and restatedby-laws,By-laws, to act as specifically assigned by the board of directors between board meetings or when it is otherwise impracticable for the full board of directors to

act. The charter of our Executive Committee is available without charge on the investor relations portion of our website athttp://investors.atkore.com/governance-documents.governance. The members of our Executive Committee are Messrs. Knisely (Chairperson)Schrock (Chairman), SleeperMuse, VanArsdale and Williamson.

Waltz and Mses. Isbell (as of January 26, 2023) and Johnson.


Human Resources & Compensation Committee Interlocks and Insider Participation

During fiscal 2017,year 2022, our Human Resources & Compensation Committee was comprised of Ms. Isbell (Chairperson), and Messrs. KniselyVanArsdale (Chair), Kershaw and VanArsdale. Mr. Knisely is an affiliate of CD&R. See “Certain Relationships and Related Party Transactions” for a discussion of agreements between us and affiliates of CD&R.Zeffiro. No member of our Human Resources & Compensation Committee was a former or current officer or employee of the Company or any of its subsidiaries in fiscal 2017.year 2022. In addition, during fiscal 2017 none of our executive officers served as a director or as a member of the compensation committeeHuman Resources & Compensation Committee of a company that had an executive officer serve as a director or as a member of our Human Resources & Compensation Committee.


Risk Oversight
Our board as a whole has responsibility for overseeing our risk management. The board exercises this oversight responsibility directly and through its committees. The oversight responsibility of the board and its committees is informed by reports from our management team and from our internal audit department that are designed to provide visibility to the board about the identification and assessment of key risks and our risk mitigation strategies. The full board has primary responsibility for evaluating strategic and operational risk management, and succession planning. The full board also receives an update on cyber-related activities at each board meeting and has not delegated responsibility for evaluating cyber security risks to any committee. Our Audit Committee has the responsibility for overseeing our major financial and accounting risk exposures and the steps our management has taken to monitor and control these exposures, including policies and procedures for assessing and managing risk, including oversight on compliance related to legal and regulatory exposure and meets regularly with our chief legal and compliance officers. Our Human Resources & Compensation Committee evaluates risks arising from our compensation policies and practices, as more fully described below. The Audit Committee and Human Resources & Compensation Committee provide reports to the full board regarding these and other matters. The Nominating & Governance Committee has oversight responsibility for many ESG matters.

Selection of Nominees for Election to the Board

Our Corporate Governance Guidelines provide that subject to the requirements of the Stockholders Agreement, the Nominating and Governance Committee will identify and recommend that the board select board candidates who the Nominating and Governance Committee believes are qualified and suitable to become members of the board consistent with the criteria for selection of new directors adopted from time to time by the board. The Nominating and Governance Committee considers the board’s current composition, including expertise, diversity, and balance of inside, outside and independent directors,directors. The Nominating and Governance Committee also considers the general qualifications of the potential nominees, such as strong values and discipline, high ethical standards, a commitment to full board participation on the board of directors and its committees, and
ATKORE 2022 PROXY STATEMENT     10

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relevant career experience, along with other skills and characteristics that meet the current needs of the board, including the ability to exercise sound, mature and independent business judgment in the best interests of the stockholders as a whole; a background and experience with manufacturing, operations, finance or marketing or other functions or fields which will complement the talents of the other board members; public company experience; ability to work professionally and effectively with other board members and the Company’s management; availability to remain on the board long enough to make an effective contribution; satisfaction of applicable independence standards; and absence of material relationships with competitors or other third parties that could present realistic possibilities of conflict of interest or legal issues.


In identifying candidates for election to the board, of directors, the Nominating and Governance Committee considers nominees recommended by directors, stockholders and other sources. The Nominating and Governance Committee reviews each candidate’s qualifications, including whether a candidate possesses any of the specific qualities and skills desirable in certain members of the board of directors.board. Evaluations of candidates generally involve a review of background materials, internal discussions and interviews with selected candidates as appropriate. Upon selection of a qualified candidate, the Nominating and Governance Committee would recommend the candidate for consideration by the full board of directors.board. The Nominating and Governance Committee may engage consultants or third-party search firms to assist in identifying and evaluating potential nominees.


The Nominating and Governance Committee will consider director candidates proposed by stockholders on the same basis as recommendations from other sources. Any stockholder who wishes to recommend a prospective candidate for the board of directors for consideration by the Nominating and Governance Committee may do so by submitting the name and qualifications of the prospective candidate in writing to the following address: Atkore International Group Inc., c/o Corporate Secretary (Legal Department), 16100 South Lathrop Avenue, Harvey, Illinois, 60426. Any such submission should also describe the experience, qualifications, attributes and skills that make the prospective candidate a suitable nominee for the board of directors.board. Our second amended and restatedby-lawscurrently applicable By-laws set forth the requirements for direct nomination by a stockholder of persons for election to the board of directors.

board.

Pursuant

During fiscal 2022, the Board engaged in a search for a new director to the Stockholders Agreement with the Company, the CD&R Investor is currently entitled to nominate (or cause to be nominated) at least 40% ofjoin the Company’s directors. See “Certain Relationships and Related Party Transactions” below for additional information.

Communications with the Board

Any stockholder or interested party who wishes to communicate with our board of directors in anticipation of a director mandatory retirement scheduled to occur at the January 2024 annual meeting of stockholders. On December 12, 2022, in accordance with the Company's Articles of Incorporation, the Board approved the temporary expansion of the Board from nine members to ten, effective February 1, 2023, and appointed Barbara Joanne Edwards as a whole, the independent directors, or any individual member of the board or any committeeBoard to fill the newly created vacancy, effective immediately following the expansion of the Board from nine directors to ten directors on February 1, 2023. The Board has determined that Ms. Edwards is “independent” as defined under NYSE and the Securities Exchange Act of 1934, as amended.

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Director Effective February 1, 2023
Age: 66
Other Public Company Boards: Standex International Corporation

B. Joanne Edwards
Retired, Senior Vice President & General Manager, Residential & Wiring Devices, Eaton Corporation Plc

Prior to her retirement in 2017, Ms. Edwards worked for Eaton Corporation Plc, as Senior Vice President & General Manager, Residential & Wiring Device Business. Prior to her distinguished career as a senior executive at Eaton, she served in various capacities with increasingly responsible roles with strategic, financial and operational reach at global diversified manufacturing companies, including Schneider Electric and Square D Company. Over the last two decades, she has also served on various for-profit and non-profit boards, notably foundations and councils that aim to help the underserved and underprivileged segments of the population. Ms. Edwards currently serves on the Board of Directors of Standex International Corporation.
ATKORE 2022 PROXY STATEMENT     11

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Director Skills and Attributes
Our Board members offer a diverse range of knowledge, skills, experiences and attributes relevant to our business and industry. The following is a summary of director skills, core competencies and attributes.

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ATKORE 2022 PROXY STATEMENT     12

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Director Compensation
Our non-employee directors were paid an annual retainer fee of $90,000, which was paid on a quarterly basis at the beginning of the "Board Calendar" year, which begins as of the date of the annual meeting of stockholders each year. In addition, the chair of the board may write to or emailreceived an additional cash retainer of $100,000, the Company at: Atkore International Group Inc., c/o Secretary, 16100 South Lathrop Avenue, Harvey, Illinois, 60426 or BoardofDirectors@atkore.com.

The board has designated the Company’s Secretary as its agent to receive and review written communications addressed to the board, any of its committees, or any board member or group of members. The Secretary may communicate with the sender for any clarification. In addition, the Secretary will promptly forward to the Chairpersonchair of the Audit Committee any communication alleging legal, ethical or compliance issues by management or any other matter deemed byreceived an additional annual cash retainer of $20,000, the Secretary to be potentially material to the Company. As an initial matter, the Secretary will determine whether the communication is a proper communication for the board. The Secretary will not forward to the board, any committee or any director communications of a personal nature or not related to the duties and responsibilitieschair of the board, including, without limitation, junk mail and mass mailings, business solicitations, routine customer service complaints, new product or service suggestions, opinion survey polls or any other communications deemed by the Secretary to be immaterial to the Company.

Separately, the AuditHuman Resources & Compensation Committee has established a whistleblower policy for the receipt, retention and treatmentreceived an additional annual cash retainer of complaints received by the Company regarding accounting, internal accounting controls or auditing matters$15,000 and the confidential, anonymous submission by associateschair of the CompanyNominating and Governance Committee received an additional annual cash retainer of concerns regarding questionable accounting or auditing matters.

Risk Oversight

Our board of$10,000. For the 2023 Board Calendar, the annual cash retainer for all directors as a whole has responsibility for overseeing our risk management. The board of directors exercises this oversight responsibility directlywill be increased to $100,000, the chairman's additional cash retainer will be increased to $140,000 and through its committees. The oversight responsibilitythe chair of the board of directorsNominating and its committees is informed by reports from our management team and from our internal audit department that are designedGovernance Committee's additional cash retainer will be increased to provide visibility to the board of directors about the identification and assessment of key risks and our risk mitigation strategies. The full board of directors has primary responsibility for evaluating strategic and operational risk management, and succession planning. Our Audit Committee has the responsibility for overseeing our major financial and accounting risk exposures and the steps our management has taken to monitor and control these exposures, including policies and procedures for assessing and managing risk, including oversight on compliance related to legal and regulatory exposure and meets regularly with our chief legal and compliance officers. Our Compensation Committee evaluates risks arising from our compensation policies and practices, as more fully described below. The Audit Committee and Compensation Committee provide reports to the full board of directors regarding these and other matters.

Compensation Risk Assessment

The Compensation Committee assessed our compensation policies and practices to evaluate whether they create risks that are reasonably likely to have a material adverse effect on the Company. Based on its assessment, the Compensation Committee concluded that the Company’s compensation policies and practices do not create incentives to take risks that are reasonably likely to have a material adverse effect on the Company. We believe we have allocated our compensation among base salary, short-term incentives and long-term equity in such a way as to not encourage excessive risk taking. In fiscal 2017, the Compensation Committee’s compensation consultant, FW Cook, assisted us in a review of potential risks associated with our compensation practices. As part of its review, FW Cook examined the compensation programs for our senior leadership team and concluded, consistent$15,000.


Beginning with the conclusions of our Compensation Committee, that (1) our compensation programs are well

designed to encourage behaviors aligned with the long-term interests of our shareholders, (2) there is an appropriate balance in fixed versus variable pay, cash versus equity, financial andnon-financial goals, short-term and long-term measurement periods, and discretion under our compensation programs, and (3) appropriate policies are in place to mitigate compensation risk (including stock ownership guidelines, insider trading prohibition and independent oversight). In addition, since2020 Board Calendar year, which began on the date of this review andthe 2020 Annual Meeting of Stockholders, we changed the compensation of our non-employee directors by replacing the prior policy of one-time grants of restricted stock units ("RSUs") with an annual equity award of RSUs with a value determined at the recommendationtime of FW Cook, we have also adoptedgrant, which for the 2022 Board Calendar year was equal to $140,000. RSUs will generally be subject to a clawback policy. See “Clawback Policy” below for additional information.

Director Compensation

In fiscal 2017, certain of our directors received compensation for their services as directors. These matters are further described below inone-year vesting schedule based on the section entitled “Executive Compensation—Director Compensation.”

Stock Ownership Guidelines

director’s continued service.


The board of directors has adopted stock ownership guidelines for members of the board of directors and for executive officers of the Company.its members. The board believes that setting these ownership guidelines will enhance directors’ and executive officers’ alignment with other stockholders. The Compensation Committee expects that these ownership guidelines will be met over time and intends to review director and executive officer stock ownership levels on an annual basis, but has currently not yet adopted any specific time frame for meeting them.

directors to meet the ownership guidelines. Under the ownership guidelines, members of the board of directors are expected to hold stock valued at five times the annual cash retainer. The annual cash retainer is currently set at $75,000,$100,000, resulting in a current expectation to hold stock valued at $375,000. Shares included in the ownership guideline calculation include shares owned by the director. The members of the board of directors who are employed by or affiliated with CD&R are not subject to the ownership guidelines as they do not receive cash and stock retainers.

The ownership guidelines for executive officers are based on a multiple of annual base salary, with the CEO expected to own stock valued at five times his annual salary and other executive officers expected to own stock valued at three times their respective annual salaries. Shares included in the ownership guideline calculation include shares owned by the executive.

$500,000.


Until a director or an executive officer meets the stock ownership requirements set forth above, he or she must retain a specified percentage ofafter-tax “net profit shares” realized from (i) the exercise of stock options, (ii) the settlement of performance shares and (iii) the vesting of restricted shares.RSUs. Net profit shares are calculated after payment of the stock option exercise price and using the maximum marginal federal, state and local employment and income tax rates. The percentages of the net profit shares required to be retained are as follows:

Participant

Participants
Retention
Percentage

Non-employee Directors

100%

The compensation paid to our non-employee directors quantified in the table below reflects payments and grants made by the Company during fiscal year 2022.
NameFees Earned
or Paid in
Cash ($)(1)
Stock
Awards
($)(1)(2)
All Other
Compensation ($)
Total
($)
Michael V. Schrock190,000 140,035 — 330,035 
A. Mark Zeffiro90,000 140,035 — 230,035 
Jeri L. Isbell90,000 140,035 — 230,035 
William R. VanArsdale105,000 140,035 — 245,035 
Scott H. Muse100,000 140,035 — 240,035 
Justin A. Kershaw90,000 140,035 — 230,035 
Wilbert W. James, Jr.90,000 140,035 — 230,035 
Betty Johnson110,000 140,035 — 250,035 
(1)Each of the Company's Directors was granted 1,491 RSUs at a per share grant date value of $93.92. The amount above reflects the grant date fair value of the stock awards, determined in accordance with FASB ASC Topic 718. See Note 5 "Stock Incentive Plan" to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2022 for additional detail regarding assumptions underlying the valuation of our equity awards.
(2)As of September 30, 2022, the outstanding equity awards held by our non-employee directors included: Mr. Schrock, 1,491; Mr. Zeffiro, 12,451; Ms. Isbell, 23,342; Mr. VanArsdale, 23,342; Mr. Muse, 23,342; Mr. Kershaw, 15,730; Mr. James, 15,730; and Ms. Johnson, 14,009.
ATKORE 2022 PROXY STATEMENT     13

100

Chief Executive Officer

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PROPOSAL 1: ELECTION OF DIRECTORS

DIRECTOR NOMINEES
The board has nominated the following 9 individuals, all of whom are currently serving on our board, for election at the Annual Meeting to serve as directors until the 2024 Annual Meeting and until his or her successor has been elected and qualified, or until his or her earlier death, resignation or removal.

Jeri L. Isbell
Wilbert W. James, Jr.
Betty R. Johnson
Justin A. Kershaw
Scott H. Muse
Michael V. Schrock
William R. VanArsdale
William E. Waltz, Jr.
A. Mark Zeffiro

Each nominee was nominated by the Board on the recommendation of the Nominating & Governance Committee. The Board has found each nominee to be qualified based on his or her qualifications, experience, attributes, skills and whether he or she meets the applicable independence standards. We are not aware of any nominee who will be unable to serve, or for good cause will not serve, as a director. In the event that any nominee for any reason is unable to serve, or for good cause will not serve, the proxies will be voted for such substitute nominee as our board may determine.

Set forth on the following pages is biographical information, as well as background information, relating to each nominee’s and continuing director’s business experience, qualifications, attributes and skills and why the board and Nominating and Governance Committee believe each individual is a valuable member of the board. The respective age of each individual below is as of November 30, 2022.

REQUIRED VOTE
The nominees for director will be elected by the affirmative vote of the holders of a majority of the votes validly cast in such election. In accordance with our currently applicable By-laws, stockholders do not have the right to cumulate their votes for the election of directors. Broker non-votes and abstentions are not treated as votes cast and will have no effect on the outcome of this proposal.

75

All Other Executive Officers

ü
50OUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE “FOR” THE ELECTION OF EACH OF THE NOMINEES LISTED.

These retention requirements apply



ATKORE 2022 PROXY STATEMENT     14

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Director Since: 2015
Age: 65
Other Public Company Boards: SiteOne Landscape Supply Inc.
Board Committees: Human Resources & Compensation; Nominating & Governance

JERI L. ISBELL
Retired, Vice President of Human Resources & Corporate Communications of Lexmark International Inc.

Ms. Isbell became a director in 2015. Until her retirement in December 2016, Ms. Isbell was the Vice President of Human Resources & Corporate Communications for Lexmark International, Inc., a manufacturer of imaging and output technology and provider of enterprise services, a position she held since February 2003. Prior to all equity awards granted priorthat, Ms. Isbell held a number of leadership positions at Lexmark, including Vice President, Compensation and Employee Programs and Vice President, Finance and U.S. Controller. Prior to joining Lexmark in 1991, Ms. Isbell held various positions at IBM. Ms. Isbell is a director of SiteOne Landscape Supply Inc. Ms. Isbell holds a B.B.A. in Accounting from Eastern Kentucky University and afteran M.B.A. from Xavier University. She is a certified public accountant, a National Association of Corporate Directors Board Leadership Fellow, NACD Directorship Certified and was selected as a 2021 NACD Directorship 100.

Qualifications: Ms. Isbell's human resources and communications leadership positions provide our board with insight into key issues and market practices in these areas for public companies.

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Director Since: 2017
Age: 66
Other Public Company Boards: Cornerstone Building Brands
Board Committees: Audit, Nominating & Governance

WILBERT W. JAMES, JR.
Retired, President of Toyota Motor Manufacturing of Kentucky, Inc.

Mr. James became a director in 2017. Mr. James was the IPO, except thatPresident of Toyota Motor Manufacturing of Kentucky, Inc. (TMMK) from June 2010 through December 2017, which included Toyota's largest manufacturing plant in the world. Prior to becoming President, Mr. James worked in various positions within Toyota Motor's U.S. operations for 23 additional years. Mr. James is a director of Columbia Forest Products and Cornerstone Building Brands. He holds a B.S. in Mechanical Engineering Technology from Old Dominion University.

Qualifications: Mr. James' experience in manufacturing and operations, with a significant focus in lean manufacturing, helps provide the board with insight into various operational, financial and strategic issues the Company encounters.
two-year
period beginning
ATKORE 2022 PROXY STATEMENT     15

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Director Since: 2018
Age: 64
Other Public Company Boards: None currently
Board Committees: Audit, Executive

BETTY R. JOHNSON
Senior Vice President, Chief Financial Officer of MYR Group Inc.

Ms. Johnson became a director in August 2018. Ms. Johnson is the Senior Vice President and Chief Financial Officer (and was Treasurer until late 2020) of MYR Group Inc., a publicly traded, North American electrical contractor specializing in transmission, distribution, substation, commercial and industrial construction. Prior to MYR Group, Ms. Johnson held various executive positions within manufacturing and construction industries, including chief financial officer roles at Faith Technologies, Inc., Sloan Valve Company, and Block and Company, Inc. In addition, Ms. Johnson has eleven years of audit experience for construction, financial services, and manufacture and distribution industries during her tenure at Deloitte and Touche. Ms. Johnson previously served on December 15, 2016, and ending on December 15, 2018, these retention requirements will not apply with respect to 35% of the vested stock options held by executive officers as of October 28, 2016.

Clawback Policy

TheMYR Group board of directors from 2007 to 2015 before joining the company’s executive leadership team. Ms. Johnson earned a bachelor’s degree in business administration from Loyola University, Chicago and is a certified public accountant.


Qualifications: Ms. Johnson brings both financial expertise and more than twenty years' experience with electrical contractors to our board.

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Director Since: 2017
Age: 61
Other Public Company Boards: None currently
Board Committees: Audit, Human Resources & Compensation

JUSTIN A. KERSHAW
Retired, Corporate Vice President and Chief Information Officer of Cargill, Incorporated.

Mr. Kershaw became a director in 2017. After retiring from his role as Corporate Vice President and Chief Information Officer of Cargill, Incorporated, a leading provider of food, agricultural, financial and industrial products in April of 2022, Mr. Kershaw has adopted a clawback policy applicableserved as an advisor and coach in Accenture plc's Luminary Program. Prior to currentCargill, he was the Senior Vice President and former executive officersCIO at the Industrial Sector of Eaton Corporation. Earlier, while the CIO of W.L. Gore and Associates, he also served as an original member of the Company. AlthoughState of Delaware’s Information Technology Investment Council. Mr Kershaw serves as a Board Advisor to the clawback rules enacted under Dodd-Frank Wall Street ReformUniversity of Minnesota's Carlson School of Data and Consumer Protection Act (the “Dodd-Frank Act”Information Sciences and as the Cybersecurity Chairperson of the North American Meat Institute ("NAMI") are not yet effective,. He holds a B.A. in Economics from LaSalle University.

Qualifications: Mr. Kershaw’s global work experience in the broad technology sector provides the board concludedwith insight into various international operational, technology and strategic issues the Company encounters.


ATKORE 2022 PROXY STATEMENT     16

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Director Since: 2015
Age: 65
Other Public Company Boards: None currently
Board Committees: Audit, Executive, Nominating & Governance

SCOTT H. MUSE
Retired, President of Hubbell Lighting Inc.

Mr. Muse became a director in 2015. From 2002 until he retired in 2014, Mr. Muse served as President of Hubbell Lighting Inc., a leading manufacturer of lighting fixtures and controls, and Group Vice President of Hubbell Inc., the parent company of Hubbell Lighting, an international manufacturer of electrical and electronic products for non-residential and residential construction, industrial and utility applications. Prior to that, having a robust

recoupment policy is advisableMr. Muse was President and Chief Executive Officer of Lighting Corporation of America from 2000 to 2002 and President of Progress Lighting from 1993 to 2000. Additionally, he held leadership and management positions at Thomas Industries, American Electric and Thomas & Betts. Mr. Muse began his career in the best interestselectrical manufacturing industry in 1979. Mr. Muse holds a B.S. in Business Administration from Georgia Southern University.

Qualifications: Mr. Muse’s extensive knowledge and experience in business, leadership, sales, marketing and operations management provide our board with insight into the challenges and opportunities in the electrical manufacturing sector.


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Director Since: 2018
Age: 69
Other Public Company Boards: Plexus Corporation
Board Committees: Executive

MICHAEL V. SCHROCK
Senior Operating Advisor of Oak Hill Capital Partners

Mr. Schrock became a director in May 2018 and has served as Chairman of our board of directors since August 2018. Mr. Schrock is a senior operating advisor of Oak Hill Capital Partners. He retired in 2013 from Pentair LLC, a global water, fluid, thermal management, and equipment protection company.  Mr. Schrock began his Pentair career in 1998, where he most recently served as President and Chief Operating Officer, beginning in 2006.  His other roles at Pentair included President of Water Technologies Americas and President of the Pump and Pool Group and President and COO of Pentair Technical Products.  Prior to joining Pentair, Mr. Schrock held numerous senior leadership positions at Honeywell International Inc.  He currently serves on the board of directors of Plexus Corporation and SafeFleet Corporation (private), as well as serving on the Board of Governors of the St. Thomas School of Engineering. Mr. Schrock earned a B.S. from Bradley University and an M.B.A. from the Kellogg School at Northwestern University.

Qualifications: Mr. Schrock brings more than forty years of experience in the electrical industry and more than a dozen years of experience on public company boards, including service as a lead director, to our board.




ATKORE 2022 PROXY STATEMENT     17

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Director Since: 2015
Age: 71
Other Public Company Boards: None currently
Board Committees: Executive, Human Resources & Compensation; Nominating & Governance

WILLIAM R. VANARSDALE
Retired, Group President of Eaton Corporation plc

Mr. VanArsdale became a director in 2015. From 2004 until his retirement on August 1, 2015, Mr. VanArsdale served as Group President of Eaton Corporation plc, a diversified power management company, where he led the hydraulics, filtration and golf grip business units. From 2001 to 2004, Mr. VanArsdale was President of Electrical Components Operation at Eaton, where he was also Operations Vice President of Global Sales and Service from 1999 to 2001. Prior to that, he spent 12 years in various leadership roles at Rockwell Automation and Siemens Automation. Mr. VanArsdale currently serves as a director of SunSource Holdings, Inc. and he holds a B.S. in Electrical Engineering from Villanova University.

Qualifications: Mr. VanArsdale’s broad operations, sales and leadership experience in the manufacturing sector provide our board with insight into challenges and opportunities for the manufacturing sector.

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Director Since: 2018
Age: 58
Other Public Company Boards: Quanex Building Products Corporation
Board Committees: Executive

WILLIAM E. WALTZ, JR.
President and Chief Executive Officer of Atkore Inc.

Mr. Waltz became a director and the President and Chief Executive Officer of Atkore Inc. in 2018. Prior to that, he served in several other Company executive roles, including Chief Operating Officer and Group President of the Atkore Electrical division. From 2009 until joining Atkore in 2013, Mr. Waltz was Chairman and Chief Executive Officer at Strategic Materials, Inc. Prior to that, he spent 15 years in various divisions of Pentair plc, including President-Pentair Flow Technologies. Mr. Waltz began his career at General Electric Company and our stockholders, furthers our cultureas a Deloitte management consultant. Mr. Waltz earned a Masters of integrityBusiness Administration from Northwestern University, Kellogg Graduate School of Management, a Masters of Science in Computer Science from Villanova University, a Bachelor of Science in Industrial Engineering from Pennsylvania State University, and accountabilitywas a graduate of General Electric’s Information Systems Management Program. In addition to serving on Atkore’s board of directors, Mr. Waltz serves as a Director of Quanex Building Products Corporation (NYSE: NX) and reinforces oura Governor for the National Electrical Manufacturers Association ("NEMA").
pay-for-performance
compensation philosophy. The policy was effective
Qualifications: Mr. Waltz's intimate knowledge of the Company's day-to-day operations as of May 2, 2017President and applies to covered incentive compensation approved, awarded or granted after that date.

Under the clawback policy,Chief Executive Officer and his significant prior experience in the event thatCompany's industry qualify him to serve on our board of directors.





ATKORE 2022 PROXY STATEMENT     18

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Director Since: 2015
Age: 56
Other Public Company Boards: None currently
Board Committees: Audit, Human Resources & Compensation

A. MARK ZEFFIRO
Managing Partner, Brooks International

Mr. Zeffiro became a director in 2015. Mr. Zeffiro joined Brooks International in 2021 as a Managing Partner of this management services firm, specializing in the Company is required to prepare an accounting restatementdesign, acceleration and execution of its client's strategic imperatives. Prior to Brooks International, he was the President and Chief Executive Officer at Horizon Global Corporation, a designer, manufacturer and distributor of custom-engineered towing, trailering, cargo management products and accessories, until May of 2018. In July 2015, Horizon Global was formed as a stand-alone, publicly traded company from a division of TriMas Corporation, where Mr. Zeffiro was Group President. Prior to that, Mr. Zeffiro spent seven years as the Chief Financial Officer at TriMas with responsibility for investor relations, financial statements due to material noncompliance with any financialplanning, external reporting, requirement underbusiness analysis, treasury, tax and corporate capital. Mr. Zeffiro also spent four years at Black and Decker Corporation as Vice President of Finance for Global Consumer Products Group and Vice President of Finance for the securities laws,U.S. Consumer Products Group. Mr. Zeffiro began his career at General Electric Company, where he held roles of progressive responsibility during his 15-year tenure, culminating in the board may require reimbursement or forfeiture (on anafter-tax basis)position of any excess incentive compensation received by any covered executive during the three completed fiscal years immediately preceding the date on which we are required to prepare an accounting restatement. “Excess incentive compensation” for this purpose means any amount of compensation in excessChief Financial Officer of the amount that would have been paid based on the restated financial results (using such methods of calculationAmericas and estimates as the board determines to be reasonable).

Incentive compensation covered by the clawback policy includes any variable compensation the vesting of which is based wholly or in part on the attainment of a financial reporting measure, including annual bonuses, stock options, restricted stock units and performance share units. Financial measures covered by the clawback policy include our stock price, total shareholder return and revenue-based and income-based measures, and improvement in working capital days.

The decision of whether to recover compensation under the clawback policy isGlobal Imaging Equipment division within the discretion of the board. If theGE Medical Systems Group. Mr. Zeffiro earned a B.S. in Quantitative Analytics from Bentley College.

Qualifications: Mr. Zeffiro’s leadership positions provide our board determines to apply the policy, it may do so by requiring the covered executive to reimburse the Company, pursuing gain realized from the vesting, exercise or settlement of equity awards, offsetting other compensation owed to the covered executive, cancelling outstanding awards, or taking other actions permitted by applicable law.

with insight into improving financial and operational performance at public companies.

EXECUTIVE OFFICERS






ATKORE 2022 PROXY STATEMENT     19

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EXECUTIVE OFFICERS AND COMPENSATION

The following table setspages set forth certain information concerning our executive officers as of December 5, 2017.

Name

  Age   

Position

  First
Became
an Officer
 

John P. Williamson

   56   President and Chief Executive Officer, Director   2011 

James A. Mallak

   62   Vice President and Chief Financial Officer   2012 

Kevin P. Fitzpatrick

   53   Vice President, Global Human Resources   2012 

Daniel S. Kelly

   57   Vice President, General Counsel and Secretary   2013 

Peter J. Lariviere

   56   Vice President and Group President, Cable Solutions   2013 

Michael J. Schulte

   50   Vice President and Group President, Mechanical Products & Solutions   2014 

William E. Waltz

   53   Vice President and Group President, Electrical Raceway   2013 

John P. Williamson has served as ourNovember 30, 2022.


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President and Chief Executive Officer, Director
Officer Since: 2013
Age: 58

WILLIAM E. WALTZ, JR.
Mr. Waltz. became a director and the President and Chief Executive Officer and as a director since June 2011. Prior to joiningof Atkore Mr. Williamson spent six years with ITT Corporation, most recently as President of the Water & Wastewater Division, a global manufacturing company headquarteredInc. in Stockholm, Sweden.2018. Prior to that, he wasserved in several other Company executive roles, including Chief Operating Officer and Group President of the ResidentialAtkore Electrical division. From 2009 until joining Atkore in 2013, Mr. Waltz was Chairman and Commercial Water Division and ITT Corporate Vice President and Director for Operational Excellence. Before joining ITT Corporation, Mr. Williamson was employed for more than 17Chief Executive Officer at Strategic Materials, Inc. Prior to that, he spent 15 years within several operatingin various divisions of Danaher Corporation. Until 2005,Pentair plc, including President-Pentair Flow Technologies. Mr. Williamson was the Senior Vice President of Global Operations for Fluke Corporation. Mr. Williamson also served as President of Jennings Technology Corporation. Additionally, he held leadership and management positions at Veeder-Root Company, Danaher Controls, Dynapar and Disc Instruments. Mr. WilliamsonWaltz began his career with Connector Technology, Inc.at General Electric Company and as a Deloitte Management consultant. Mr. Waltz earned a Masters of Business Administration from Northwestern University, Kellogg Graduate School of Management, a Masters of Science in 1981.Computer Science from Villanova University, a Bachelor of Science in Industrial Engineering from Pennsylvania State University, and was a graduate of General Electric’s Information Systems Management Program. In addition to serving on Atkore’s board of directors, Mr. Williamson isWaltz serves as a memberDirector of the Board of Governors ofQuanex Building Products Corporation (NYSE: NX) and a Governor for the National Electrical Manufacturers Association. Association ("NEMA").

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Vice President, Chief Financial Officer & Chief Accounting Officer
Officer Since: 2018
Age: 55

DAVID P. JOHNSON
Mr. Williamson earned a B.A. in Business Administration from California State University, Fullerton and holds a Certificate in Strategic Marketing Management from Harvard Business School.

James A. MallakJohnson has served as ourAtkore as Vice President and Chief Financial Officer since March 2012. From March 2008 to March 2012,August 2018 and as the Company's Chief Accounting Officer since January 2019. He has more than thirty years’ experience in strategic and financial planning, risk assessment, mergers & acquisitions, global tax strategies, international operations, and internal controls. Most recently, Mr. Mallak served as Managing Director at AlvarezJohnson was Vice President-Finance & Marsal, a global professional services firm. From 2004 to 2007, Mr. Mallak was the Chief Financial Officer at Tower Automotive Inc. Mr. Mallak also served as Executive Vice President and Chief Financial Officer for two operating segments of Textron, Inc., a global manufacturerOperations for the aerospace and defense, automotive and transportation, as well as industrial manufacturing industries. Additionally, he held several financial positions with ITT Corporation. Mr. Mallak holds a B.A. in Accounting from Michigan State University and an M.B.A. from the Eli Broad College of BusinessElectrical Sector business at Michigan State University.

Kevin P. Fitzpatrick has served as our Vice President for Global Human Resources since January 2012. Prior to that, Mr. Fitzpatrick served as Vice President of Human Resources for A.M. Castle & Company, a global distributor of specialty metals and supply chain services for aerospace, oil and gas, heavy equipment and other industries, from 2009 to 2012. Mr. Fitzpatrick also served as Vice President, North American Human Resources and Administration for UPM KymmeneEaton Corporation, a global forest products manufacturer, from 2001 to 2009. His past experience includes leadership roles in other manufacturing companies, where he was responsible for compensationsector financial planning, analysis and benefits, labor relations, talent acquisitionreporting, compliance, credit and management, training,collections and employment matters.government accounting, as well as global purchasing, manufacturing strategies, logistics and distribution. Prior to that, Mr. Fitzpatrick holdsJohnson was Vice President-Finance and Planning for the Americas Region (Eaton Electrical) where he was responsible for reporting, planning, acquisitions, and implementing common financial policies and reporting across numerous recently acquired businesses. During his twenty-four year tenure at Eaton, Mr. Johnson held other roles of progressive responsibilities, including Plant Controller, Division Controller, Director of Finance & Business Development, Vice President Finance & Business Development, and Vice President Finance & Planning-Europe, Middle East and Asia. Mr. Johnson began his career at Westinghouse Electric Corporation, where he held various accounting and analytical financial roles. Mr. Johnson earned a B.A.B.S. in Finance from theIndiana University of Wisconsin, Whitewater,Pennsylvania and an M.B.A. from Northwestern University Kellogg School of Management and a J.D. from Marquette University Law School.

DanielDuquesne University.



ATKORE 2022 PROXY STATEMENT     20

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Vice President, General Counsel & Corporate Secretary
Officer Since: 2013
Age: 62

DANIEL S. KELLY
Mr. Kelly has served as our Vice President, General Counsel and Corporate Secretary since September 2013. Prior to joining Atkore, he spent 20 years working in strategic legal roles within ITT Corporation and its spinoff, Xylem, Inc., which manufactures equipment that transports, treats and tests water and wastewater. From 2011 to 2013, Mr. Kelly served as Deputy General Counsel and acting General Counsel of Xylem, Inc. From 2010 to

2011, he was Vice President and General Counsel at ITT Fluid and Motion Control, covering ITT’s commercial business worldwide and from 2008 to 2010 served as Vice President and General Counsel at ITT Defense Electronics & Services. Mr. Kelly also spent three years at ITT headquarters as Deputy General Counsel, Director Field Legal Support. Mr. Kelly earned a B.S. from Georgetown University and a J.D. from Loyola University of Chicago School of Law.

Peter J. Lariviere has served as our Vice President and



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President, Security & Infrastructure Business Unit
Officer Since: 2019
Age: 56

MARK F. LAMPS
Mr. Lamps was promoted to his current position of Group President, of Cable Solutions since September 2015, after joining Atkore as Chief Operating Officer of the AFC Cable business unitSecurity & Infrastructure in September 2013,March 2019 with responsibility for manufacturing, engineering, sourcing, distributionproducts and logisticsservices that frame, support and servingsecure component parts in a broad range of structures, equipment and systems for electrical, industrial and construction applications. Mr. Lamps joined the Company in October 2018 as President, AFC Cable business unit from January 2015 until September 2015. Mr. Lariviere was previously President of Storage and Workplace Solutions, a division of Stanley Black and Decker, from 2010 until 2013.Vice President-Business Development & Strategy. Prior to that, Mr. LariviereLamps was Chief Executive OfficerVice President-Technology for nVent LLC, where he was responsible for leading new product development and digitization activities. Prior to that, Mr. Lamps held numerous leadership roles during his 23-year tenure at Lista International Corporation.Pentair, LLC, including Vice President-Technology, Product Management and Strategy for Pentair Electrical; Vice President & General Manager-Pentair Equipment Protection, in addition to residing in China during a four-year international assignment as Vice President & General Manager for Pentair Technical Products-APAC. Mr. LariviereLamps also held severalengineering positions at Amesbury Group Inc., including Senior Vice President-Window Hardware DivisionGeneral Motors Corporation, after initially starting his career at Accenture. Mr. Lamps earned a Master of Business Administration from Kellogg Graduate School of Management at Northwestern University, as well as a Master of Science in Manufacturing Systems Engineering and Group Vice President. a Bachelor of Science in Mechanical Engineering from Stanford University.

ATKORE 2022 PROXY STATEMENT     21

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President, Electrical Business Unit
Officer Since: 2020
Age: 52

JOHN W. PREGENZER
Mr. Lariviere holds a B.S. fromPregenzer was promoted to his current position as President, Electrical in October 2020. Prior to that, Mr. Pregenzer was promoted in September 2018 to the Universityposition of Massachusetts and an M.B.A. from New Hampshire College. He also is a graduate ofPresident for the Executive Management Program at University of North Carolina, Kenan-Flagler Business School.

Michael J. Schulte has served as ourConduit & Fittings business unit. Previously, Mr. Pregenzer was Vice President and Group PresidentGeneral Manager of Mechanical Products & Solutionsthe Plastic Pipe and Conduit strategic business unit, a position he held since September 2017. Prior to that, he served as Vice President and President of Mechanical Products & Solutions since September 2015, after joining Atkore as President, Metal Framing and Cable Management in May 2014. From 1990 until joining Atkore in 2014,July 2015. Mr. SchultePregenzer has spent the majority of his career in executive sales, marketing, and operations positions at various divisionswith Georg Fischer AG, a Swiss based industrial products manufacturer. During his tenure, Mr. Pregenzer held positions of Danaher Corporation, including President-Gilbarco North AmericaPresident and President-Hennessy Industries.Managing Director for Georg Fischer Piping Systems LLC and Georg Fischer Sloane, Inc., in addition to positions of Director of Marketing, Director of Product Management, and Regional Sales Manager. Prior to that, Mr. SchultePregenzer worked in specialized industrial distribution and mechanical contracting businesses. Mr. Pregenzer earned a Master of Business Administration from the University of Southern California, Marshall School of Business and a Bachelors of Accountancy from the University of San Diego. He also worked at Danaher Motion Group, including Group Seniorreceived a Certificate in Strategic Management from IMD Business School in Switzerland.


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Vice President, Global Human Resources
Officer Since: 2019
Age: 51

LeANGELA (ANGEL) W. LOWE
Mrs. Lowe was promoted to her current role as Vice President, Global Sales & Marketing/President of Dover Motion. During his tenure there, Mr. Schulte also held positions of President-Linear Motion Systems, Europe President-Danaher MotionHuman Resources in June 2019 with responsibility for talent acquisition and VP/GM of Servo & Stepper Drives. Mr. Schulte started with Danaher in the Sensorsdevelopment, onboarding and Controls division holding positions of Materials Manager, Plant Manager, Marketing Manager,immersion, leadership training, employee development, employee and Vice President/General Manager. Before Danaher Corporation, Mr. Schulte worked at the Boston Consulting Group after beginning his careerlabor relations, payroll as District Saleswell as compensation and Service Manager at Oldsmobile Division, General Motors Corporation. Mr. Schulte holds a B.S. from Kettering University (formerly known as GMI Engineering & Management Institute) and an M.B.A. from Harvard Business School.

William E. Waltz hasbenefit programs. Since 2016, Mrs. Lowe served as our Vice PresidentPresident-Group Human Resources, where she was responsible for driving human resources alignment and Group President ofsynergies among Electrical Raceway since September 2017.and Mechanical Products & Solutions businesses. Prior to that, heMrs. Lowe served as Vice President-Electrical Raceway business and Vice President, and President of ConduitHuman Resources-Conduit & Fittings since September 2015,business after initially joining Atkorethe company in 2014 as President,Vice President-Human Resources for the Plastic Pipe and Conduit strategic business unit in 2013. From 2009 until joining Atkore in 2013, Mr. Waltz was Chairman and Chief Executive Officer at Strategic Materials, Inc., North America’s largest glass recycling company.unit. Prior to that, he spent 15 yearsAtkore, Mrs. Lowe held human resources roles with progressive responsibilities at Trinity Industries, Parker Hannifin Corporation and Reckitt Benckiser, where she was a strategic business partner tasked with enhancing the capability, diversity, culture and organizational structure, which drove productivity, customer service and overall profitability. Mrs. Lowe began her career in various divisions of Pentair plc, a water technologiesfinance and industrial products company, including leadershipaccounting roles of President—Pentair Flow Technologies, Vice President and General Manager of Pentair Water Treatment Division, Vice President and General Manager for Aurora Pump, Vice President of Sourcing andat International Operations; as well as Director of Pentair’s Commercial & Industrial business unit. Mr. Waltz began his career at General ElectricPaper Company. Mr. WaltzShe holds a B.S.Bachelor of Business Administration degree in Finance from Pennsylvania State University, an M.S. in Computer Science from Villanova University, an M.B.A. from Northwestern University, Kellogg Graduate School of Management and is a graduate of General Electric’s Information Systems Management Program.

Mississippi College.

EXECUTIVE COMPENSATION

ATKORE 2022 PROXY STATEMENT     22

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Compensation Discussion and Analysis

Introduction

The Compensation Discussion and Analysis section discusses and analyzes the executive compensation program for our named executive officers for fiscal 2017. Our named executive officers for this fiscal year were: Mr. John Williamson, President and Chief Executive Officer, or “CEO;” Mr. James Mallak, Vice President and Chief Financial Officer; Mr. Michael Schulte, Vice President and Group President, Mechanical Products & Solutions; Mr. William Waltz, Vice President and Group President, Electrical Raceway and Mr. Peter Lariviere, Vice President and President, Cable Solutions.2022. We refer to these individuals below collectively as the “named executive officers,” or “NEOs.”


NameTitle
William E. Waltz, Jr.President & Chief Executive Officer
David P. JohnsonVP, Chief Financial Officer & Chief Accounting Officer
Daniel S. KellyVP, General Counsel & Corporate Secretary
Mark F. LampsPresident, Safety & Infrastructure Business Unit
John W. PregenzerPresident, Electrical Business Unit

Executive Summary

Fiscal 2017 was

Our executive compensation programs are designed to reward performance by our first fullexecutives and align the interests of our executives with those of our stockholders. In fiscal year as2022, our annual incentive awards for our NEOs were based on the Company’s achievement of financial objectives related to its base business operations and the NEOs’ individual performances, and half of our long-term incentive award is linked to cumulative net income and relative total stockholder return results over a public company,three-year performance period.

The Human Resources & Compensation Committee (the "Committee") continually reviews the compensation programs for our NEOs to ensure they achieve the desired goals of aligning our executive compensation structure with our stockholders’ interests and although we operatedcurrent market practices. We believe that our compensation programs including for our NEOs, in a manner consistent with ourpay-for-performance philosophy, we also continued our transition from a privately held company to a public company. Since becoming a public company in 2016, we made the following changes toalign the compensation programs that coverof our named executive officers:

We cappedexecutives with the financial metrics under the Atkore International Group Inc. Annual Incentive Plan (the “AIP”),interests of our Annual Incentive Plan, at 250% of target achievement.

In addition to granting options, which has been our historical equity grant practice, we granted service-vesting restricted stock units (“RSUs”) and performance-vesting performance share units (“PSUs”).

We adopted a severance policy covering our named executive officers and other key officers, which provides severance pay and termination benefits upon certain qualifying terminations of employment prior to and following a change in control.

We adopted a clawback policy allowing us to recoup incentivestockholders while managing compensation from our executive officers in the event that we are required to prepare a material financial restatement.

We implemented additional governance policies that we believe are consistent with our status as a public company,risk, including through stock ownership guidelines, (witha robust clawback policy and an independent Human Resources & Compensation Committee.

Compensation during fiscal year 2022 was directly tied to our strong performance during the CEO having a five times base pay ownership level requirement), “double trigger” change in control vesting provisions (i.e., requiring both a change in control and a qualifying termination of the NEO’s employment), insider trading policies and restrictions on the repricing of stock options.year.


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ATKORE 2022 PROXY STATEMENT     23

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Fiscal 2017 CompanyYear 2022 Business Results

Atkore achieved net income of $84.6M and earnings per share of $1.27, up 44% and 35%record financial results for the fiscal year over year, respectively during 2017.ended September 30, 2022. The Company delivered these results despite domesticglobal economic volatility and demand weaknesssupply chain challenges in the non-residential construction and with one fewer week compared to fiscal 2016.industry. Through decisive actions and strong operational execution, the Company delivered the following value creatingvalue-creating results:

Delivered revenues
Net sales for fiscal 2022 increased $985.9 million to $3,913.9 million, an increase of $1.5 billion, down slightly33.7%, compared to 2016, with organic growth$2,928.0 million for fiscal 2021;

Net income per diluted share increased by 66.5% to $20.30 from $12.19;

Gross profit for fiscal 2022 increased $514.4 million to $1,640.0 million, an increase of about 1%45.7%, after adjustingcompared to $1,125.6 million for fiscal 2021;

Net income increased $325.6 million to $913.4 million for fiscal 2022, an increase of 55.4%, as compared to $587.9 million for fiscal 2021;

During fiscal 2022, operating activities provided $786.8 million of cash, compared to $572.9 million during fiscal year 2021.

Atkore’s increase in net sales in fiscal 2022 is primarily attributed to increased average selling prices of $996.2 million, which were mostly driven by the plastic pipe and conduit category within the Electrical segment and increased net sales of $96.4 million due to the acquisitions of either the stock or assets of Four Star Industries, LLC, SASCO Tubes & Roll Forming Inc., Talon Products, LLC, United Poly Systems, LLC, Cascade Poly Pipe & Conduit and Northwest Polymers. The increase in earnings was largely due to higher average selling prices in relation to changes in input costs, operational efficiencies and contributions from recent acquisitions. Pricing for PVC products, as well as other products, has begun to decline from historic highs. For a more in-depth review of our performance see Management's Discussion & Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the number of working days, acquisitionsfiscal year ended September 30, 2022.

Fiscal Year 2022 Compensation Actions
During fiscal year 2022, the Company took the following key compensation actions:

Fiscal year 2022 Annual Incentive Plan performance against the goals established by the Human Resources and divestitures, and foreign exchange differences.

Delivered productivity savings of $14 million.

Made significant progress on acquisition activities bothCompensation Committee early in the UKfiscal year resulted in short term incentive funding between 200.0% and domestically, adding approximately $100 million225.5% of target for our named executive officers. See “Annual Incentive Plan Compensation” on page 29 for more information on the Company’s performance during the fiscal year.

Fiscal year 2020 - 2022 Performance Share Plan achieved 175% payout versus target. This payout is based on a significant above target achievement on both rTSR (defined below) and adjusted net income relative to performance goals established at the beginning of the performance period. Our stockholder return versus our rTSR peer group over the past three years was at the 96th percentile of our rTSR comparator group.

During fiscal year 2022, the composition of Mr. Waltz's long-term incentive equity grants was changed such that for fiscal years beginning in pro forma2022 he would receive annual equity grants in the same mix as other senior executives. For fiscal year 2022, his long-term incentive was allocated 25% of the dollar value of the grant in stock options, 25% of the dollar value of the grant in RSUs and 50% of the dollar value in Performance Share Units ("PSUs"). The dollar value of Mr. Waltz's equity grant for fiscal year 2022 was $3,800,000.

At our 2022 Annual Meeting of Stockholders, 94% of the votes cast on the advisory "say-on-pay" resolution were voted in favor of the compensation of our NEOs for fiscal year 2021. The Committee viewed this result of the fiscal year 2021 advisory vote as supportive of our compensation philosophy and our executive compensation program and did not make any changes to the program as a result of the say-on-pay vote results.
ATKORE 2022 PROXY STATEMENT     24

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Given the Company's substantial revenue growth and the expectation that the Company's revenue will remain at fiscal year 2022 levels with the potential for moderate growth in the foreseeable future, the Company and the Human Resources & Compensation Committee engaged FW Cook to refine the peer group against which the company will conduct benchmarking analysis. The objectives of the review were to right-size the peer group to include companies of similar scope and complexity and mitigate the need for additional changes to the peer group in future years. In developing proposed changes to the peer group, FW Cook reviewed companies of similar revenue and $20 million in proforma Adjusted EBITDA.

Maintained its commitmentmarket capitalization size; similarity of industry or products of potential peer companies; and entities that we considered to investing in product leadership and innovation, with $26 million in capital expenditures and approximately $6 million in research and development that helped deliver more than 12 new product launches throughout 2017.

Generated cash provided by operating activities of $120 million andbe peers for business and/or talent. The peer group used $14 million to return cash to shareholders through share repurchases. The Company’s balance sheet remains strong, with capacity to invest, fund future growth, and assess opportunistic value creating M&A activity.

Continued to invest in its leadership talent pipeline and increased engagement above benchmark levels.

Adjusted EBITDA was used in fiscal 2017 for AIP purposes and was defined for fiscal 2017 as net income (loss) before: depreciationyear 2022 consists of 18 companies with Atkore's revenue positioned near the median. Considering Company and amortization, gain on extinguishment of debt, interest expense (net), income tax expense (benefit), restructuring and impairments, net periodic pension benefit cost, stock-based compensation, impact from anti-microbial coated sprinkler pipe, or “ABF,” product liability, consulting fees, legal settlements, transaction costs, other items,individual performances, market data for the new peer group and the impact from our Fence and Sprinkler exit. Adjusted EBITDA is anon-GAAP measure which management believes is a helpful indicator of operating performance. Because it is not a measurement of performance under GAAP, Adjusted EBITDA should not be considered as an alternativeCompany's stated compensation philosophy, the Committee increased compensation levels for fiscal year 2022 by 3.0% to net income (loss) or any other performance measure derived in accordance17.6% to more closely align with GAAP or as an alternative to net cash provided by operating activities as measures of liquidity.

the market median.


Compensation Overview and Philosophy

The purpose of our compensation program is to motivate employees to create long-term stockholder value in exchange for meaningful financial rewards. The program supports the attraction, retention and motivation of talented employees who are committed to delivering the levels of quantitative and qualitative performance that we require, as discussed below.


Thispay-for-performance model includes a total compensation package consisting of base salary, and short-short and long-term incentives. Total compensation for our NEOs is targeted to provide compensation at the market median ifof the business markets in which we achieve our financial and operating business plans.participate. Our compensation program also allows for above or below median total compensation when justified by individual and Company results. We also provide benefits that are intended to be at substantially the same levels as the companies with which we compete for talent.


Five key principles guide the philosophy of our compensation programs for all of our employees, including our named executive officers:


Aligned with stockholder interests - The interests of executives should align with the interests of our stockholders by using performance measures that correlate well with the creation of stockholder value. Our short-term and long-term incentive plans are both designed to use financial performance measures that correlate well with stockholder value.

Performance based—a - A significant portion of compensation should be at risk and tied to corporate, business unit and/or individual performance. At risk compensation is only paid based on the achievement of specificpre-established performance goals and/or an increase in AtkoreAtkore's stock price. Annual incentive payouts are subject to further adjustment based upon business unit and/or individual performance. We also view stock options, which only have value if our stock price rises, as inherently performance-based and at risk even when vesting is based solely on continued service. 68% of our CEO's target compensation is at-risk based on financial, stock price, relative total stockholder return ("rTSR") and/or individual performance.

Attract
Balanced - Compensation plan designs promote a balance between annual and retain talentlong-term business results. While we believe the creation of long-term stockholder value is extremely important, we also believe that the achievement of our annual goals is the best way to contribute to our sustainable, long-term success.

ATKORE 2022 PROXY STATEMENT     25

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Market-Competitive- The total compensation package is competitive with the general industry and our compensation peer group and is at a level that is appropriate to attract, retain and motivate highly qualified executives capable of leading usAtkore as it continues to higher performance.increase in size and complexity. Base salary and annualshort-term incentives provide a competitive annual total cash compensation opportunity in the short term and equity incentives provide a competitive opportunity over the long term. All of theseThese elements serve to support our desire to attract and retain executive talent and are reviewed for competitiveness annually. We have concludedbelieve that we can compete successfully for talent by targeting total compensation (i.e., base salary, annual incentives and long-term incentives) at market median levels, with the opportunity to earn more or less than median levels based on our performance.

Aligned with stockholder interests—the interests of executives should align with the interests of our stockholders by using performance measures that correlate well with the creation of stockholder value. Our short-term and long-term incentive plans are both designed to use financial performance measures that correlate well with stockholder value.

Balanced—Compensation plan designs promote a balance between annual and long-term business results. While we believe the creation of stockholder value long term is extremely important, we also believe that the achievement of our annual goals is the best way to contribute to our sustainable, long-term success.

Supportive of our mission and values- Compensation supports our mission to be the customers’ first choice for Electrical Raceway and Mechanical Products & Solutions, by providing unmatched quality, delivery, and value based on sustainable excellence in strategy, people and processes.process. We inherently believe that we are most successful when we focus on living our values of accountability, teamwork, integrity, respect and excellence. We achieve this goal primarily by having annual incentives that can decrease or increase based on the subjective assessment of qualitativenon-financial performance goals.goals linked to our mission and values.


Compensation Strategy

Compensation is intended to reward employees to exert discretionary effort, apply appropriate risk analysis in decision making,decision-making, and continuously improve the performance of the business. A substantial amount of executive compensation is variable and tied to the achievement of both annual and long-term incentive plan goals. To support ourpay-for-performance philosophy, performance is evaluated as follows:


Corporate Performance - The AIP isAnnual and Long-term Incentive Plans ("AIP" & "LTIP") are designed to reward the achievement of annual numericalas well as long-term financial goals and qualitativenon-financial goals. These goals are included in the annual operating plan and strategic forecasts prepared by management and approved by our board of directors.board. The annualincentive plans design and performance metrics apply to all executives and most other employees who are eligible for annual bonuses.bonuses and long-term incentive payouts.


Business Unit Performance - The CEO reviews the performance of each business unit based on the achievement of goals included in our annual operating plan consisting of both financial and qualitativenon-financial measures. Based on this assessment, the CEO has been delegated the discretion by the Compensation Committee to adjust the annual incentive pool upward or downward to reflect the business unit’s performance. Generally, inIn the case of a business unit adjustment impacting an executive, including any of our named executive officers, the Compensation Committee will review and approve any such adjustment upon receiving a recommendation from the CEO (other than with respect to his own compensation).


Individual Performance—our - Our performance review process applies to all salaried employees, including the CEO and our other named executive officers. An employee’s performance is evaluated against the expectations of his or her position and the annual operating plan. Individual performance goals are established at the beginning of each fiscal year and individual performance goals are aligned with our annual operating plan. Performance under the plan is evaluated at least annually. An individual's personal performance is scored against his or her goals; this score is referred to as Personal Performance Factor ("PPF"). The PPF is used as a multiplier to the financial performance of the annual incentive plan on an annual basis. For our named executive officers other than the CEO, the CEO will make a recommendation to the Compensation Committee for its approval due to his direct supervision of these individuals. For the CEO, these determinations are made by the Compensation Committee, subject to the final approval of our board of directors.board.


ATKORE 2022 PROXY STATEMENT     26

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Total compensation is targeted at the median of comparable market data. As with our compensation philosophy generally, this strategy is intended to evolve with the business but consistently includes the following elements:


definition of the market for executive compensation is tied to our industry compensation peer group and survey data sources (which, as described below, has begun to be determined by reference to a peer group);sources;


determination of an appropriate pay mix for total direct compensation, consisting of defined levels of base salary, as well as shortshort- and/or long-term incentives;incentive opportunities;


a direct link between incentives payouts and business results;


the requirement that an NEO accumulate and hold stock having a value that represents a meaningful commitment to him or her; and

Cost efficientcost-efficient group welfare benefits and retirement plans which are comparable to the plans of peers with which we compete for talent.


An annual performance management process is used to establish individual goals and objectives, including for our named executive officers. Managers are required to jointly develop these individual goals and objectives with employees to ensure understanding of and accountability for the desired business results.


Best Practices in Compensation Governance
Highlighted below are the key features of our executive compensation program, including the pay practices that we have implemented to drive sustainable results, encourage executive retention and align executive and stockholder interests.
What We Do
üDeliver a significant percentage of target total direct compensation in the form of variable compensation tied to performance
üProvide an appropriate mix of short-term and long-term compensation
üRequire stock ownership and retention of a significant portion of equity-based awards
üProvide limited perquisites
üEngage an independent compensation consultant
üAllow the Company to recoup incentive compensation for executive officers through a clawback policy
ü"Double Trigger" change in control vesting provisions

What We Don't Do
xGross-up excise taxes that may become due on change in control payments and benefits
xProvide incentives that encourage excessive risk-taking
xGuarantee incentive awards for executive officers
xAllow hedging, pledging or short sales of our securities by our officers and directors
xDiscount or reprice stock options

Process for Setting Executive Compensation

The Compensation Committee is responsible for reviewing and approving the compensation of our named executive officers and other senior management (other than the CEO) as recommended by the CEO. The Chairman of the board of directors and the Compensation Committee evaluate the CEO’s performance and, based upon the results of this performance evaluation, make a recommendation to the full board of directors to determine the CEO’s compensation.


ATKORE 2022 PROXY STATEMENT     27

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The Compensation Committee’s annual process considers our financial performance and total shareholderstockholder return, as well as the relative performance of the executive officers throughout the fiscal year. The timing of these determinations is set in order to enable the Compensation Committee to examine and consider our financial performance, as well as the relative performance of the executive officers, during the previous fiscal year in establishing the upcoming fiscal year’s compensation and performance goals. Throughout this process, the Compensation Committee receives input from members of management. In addition, during fiscal 2017,year 2022, the Compensation Committee engaged FW Cook as its executive and non-employee director compensation consultant to provide advice on an ongoing basis as to these matters.


At our 2022 Annual Meeting of Stockholders, 94% of the votes cast on the advisory "say-on-pay" resolution were voted in favor of the compensation of our NEOs for fiscal year 2021, as disclosed in our 2021 proxy statement. The Committee considers the results of our "say-on-pay" advisory votes in connection with the design of the Company's executive compensation program, and viewed the result of the fiscal year 2021 advisory vote as supportive of our compensation philosophy. In light of these results, for fiscal year 2022, the Committee did not make any significant changes to our executive compensation programs.

The Committee regularly reviews the compensation program design for alignment with our evolving business strategy, market practices and human resource objectives and considers stockholder input. Based on this year's review, the Committee made no changes to our annual incentive and long-term incentive plan design for fiscal year 2022. See page 30 for annual incentive plan and page 32 for long-term incentive plan changes.

The Role of Management

The CEO recommends to the Compensation Committee compensation packages for executives who report directly to him, including the named executive officers other than himself. The Vice President of Global Human Resources also provides input to the CEO and to the Compensation Committee on compensation for each of the executives other than himself.herself. In fiscal 2017,year 2022, prior to each Compensation Committee meeting, the CEO and the Vice President of Global Human Resources were primarily responsible for preparing the materials that management presented to the Compensation Committee.


Use of Compensation Consultants and Peer Group

The Compensation Committee’s charter provides that it may retain advisors, including compensation consultants, in its sole discretion. During fiscal 2017,year 2022, the Compensation Committee continued to use the services of FW Cook to assist our Compensation Committee with the analysis and development of our compensation arrangements and to provide recommendations with respect to these and similar matters. As part of its engagement, FW Cook developed a peer group against which to conduct benchmarking analysis as and when necessary or appropriate. In developing the peer group, FW Cook reviewed revenue and market capitalization size; similarity of industry or products; and entities that we or our financial advisors considered to be peers. Atkore’s revenue is slightly above the median; however, its market capitalization is below the median but above the bottom quartile of the peer group. The peer group developed by FW Cook and approved by our Compensation Committee for use in setting fiscal year 2022 target compensation consists of the following companies:

AAON Inc.

Acuity Brands, Inc
Hubbell Inc.Lincoln Electric (1)

Advanced Drainage Systems

Interface Inc.

Apogee Enterprises, Inc.

Littelfuse, Inc.

Armstrong World Industries,Apogee Enterprises, Inc.

Masonite International Corporation

AZZ Incorporated

Belden Inc.
NCI Building Systems

nVent

Belden Inc.

Crane Holdings, Co. (1)
Regal Beloit Corporation
EnerSysRexnord Corporation

Encore Wire Corporation

Generac Holdings
Sensata Technologies (1)
Gibraltar Industries, Inc.Simpson Manufacturing Co.

General CableHubbell Inc.

Valmont Industries
(1)Crane Holdings, Co., Lincoln Electric Holdings, Inc. and Sensata Technologies, Inc. were added to the peer group used to establish fiscal year 2022 target compensation. Armstrong World Industries, Inc., AZZ Incorporated and Quanex Building Products Corporation were removed from the peer group due to relative size profile versus Atkore.

ATKORE 2022 PROXY STATEMENT     28

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As of October 2021 (the beginning of fiscal year 2022), our revenue approximated the median to 75th percentile of the fiscal year 2022 peer group and our market capitalization approximated the 25th percentile to median of the fiscal year 2022 peer group.

In May 2022, the Committee approved changes to the compensation peer group for use in fiscal year 2023 compensation planning. Eight companies were removed and nine were added with these changes intended to reflect Atkore’s growth from $2.9 billion to $3.9 billion in revenue for fiscal year 2022 which positioned our revenue near the median of the updated peer group. The table below outlines the companies that will be removed and added to our peer group for compensation planning purposes for fiscal year 2023 and beyond:

A.O. Smith Corporation

(2)
Lincoln Electric Holdings, Inc.
Acuity Brands, Inc.USGLittelfuse, Inc. (1)
Advanced Drainage Systems (1)Masonite International Corporation (1)
Apogee Enterprises, Inc. (1)nVent Electric
Belden Inc. (1)Pentair Plc (2)
Carlisle Companies Incorporated (2)Regal Rexnord Corporation

Crane Holdings, Co.

Sensata Technologies, Inc.
EnerSysSimpson Manufacturing Co. (1)
Flowserve Corporation (2)Timken Company (2)
Generac HoldingsValmont Industries
Gibraltar Industries, Inc.

(1)
Vertiv Holdings (2)
Hubbell Inc.Xylem Inc. (2)
JELD-WEN Holdings, Inc. (2)Zurn Elkay Water Solutions (1)
Lennox International Inc. (2)

(1)Represents companies that have been removed from the peer group for fiscal year 2023 and beyond.
(2)Represents companies that have been added to the peer group for fiscal year 2023 and beyond.

Elements of Compensation

For fiscal 2017,year 2022, the principal components of compensation for our named executive officers were the following, each as described in greater detail below:


base salary;


annual incentive compensation paid in the form of cash bonuses;


long-term equity incentive compensation in the form of stock options, RSUs and PSUs; and


other benefits (primarily our retirement savings plan and our group health and welfare plans).


During fiscal 2017,year 2022, and as described in greater detail below, FW Cook benchmarked the target total direct compensation (consisting of base salary, target bonus opportunity and value of long-term incentive grants) of the named executive officers at the median of the 2022 peer group, with the intention that the total direct compensation of these named executive officers generally would be set at amounts that are in the market median range. It was the Compensation Committee’s judgment that setting compensation levels at the median levels of the 2022 peer group would create an appropriate level of retention and incentive for the management team. Individual executives’Each individual executive's target total direct compensation could vary above or below the median level of the peer group due to an executive’s skills, experience in current role and individual performance.


ATKORE 2022 PROXY STATEMENT     29

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Base Salary

Base salary represents the fixed portion of our named executive officers’ total compensation. Although the Compensation Committee believes that a substantial portion of each executive officer’s total compensation should be “at risk,” the Compensation Committee also recognizes the importance of setting base salaries at levels that will attract, retain and motivate top talent. In setting annual base salary levels, the Compensation Committee takes into accountconsiders competitive considerations,practice, individual performance and time in position, internal pay equity, and the impact on our selling, general and administrative expenses. In fiscal 2017,year 2022, decisions regarding executive salaries were determined primarily by a review of salary data forusing the 50th percentile using2022 peer group data prepared by FW Cook.

Executives’ salaries vary based on a review ofCook, with additional consideration given to individual performance, tenure, experience, and the other above referenced criteria. During fiscal 2017, base salariesinternal equity.


All of the NEOs were increased following a reviewshown below received larger than usual base pay increases based on the Company's exceptional performance and targeted median levels of the relevant salary data, such that as ofpeer group data. The table below outlines the end of fiscal 2017, base salaries of the NEOs were as follows:

Name

  Prior Base Salary   Current Base Salary   % Increase 

John P. Williamson

  $750,000   $775,000    3.3

James A. Mallak

  $437,000   $437,000    0.0

Michael J. Schulte

  $411,200   $450,000    9.4

William E. Waltz

  $411,200   $450,000    9.4

Peter J. Lariviere

  $360,100   $400,000    11.1

During fiscal 2017, the Compensation Committee approved significant increases invarious base salary for Messrs. Schulte, Waltz and Lariviere due to company restructuring activities, as well as a need to retain each executive to provideon-going business continuity. Base pay increases for these individuals occurredrates in two parts; the first increase occurred at the Company’s regular annual merit cycle in April 2017 and the remainder occurred in September 2017 at the end of theeffect during fiscal year.

year 2022:

NamePrior Base SalaryCurrent Base Salary% Increase from FY 2021 to FY 2022
William E. Waltz, Jr.$850,000 $1,000,000 17.6 %
David P. Johnson$510,000 $525,000 3.0 %
Daniel S. Kelly$412,000 $450,000 9.2 %
Mark F. Lamps$399,000 $439,000 10.0 %
John W. Pregenzer$399,000 $439,000 10.0 %


Annual Incentive Plan ("AIP") Compensation

We currently maintain the AIP, which is intended to retain and motivate our executive officers and certain other key employees by providing them with an opportunity to earn cash incentives based on our attainment of certain specified performance goals. The AIP is administered by our Compensation Committee, which selects those of our employees who will participate in the AIP for a specified performance period and establishes the applicable performance goals.

For fiscal year 2022, the financial metrics applicable to the named executive officers were weighted as follows:
MetricCEO and Other
Executive Officers
(%)
BU Presidents
(%)
Atkore Adjusted EBITDA80 60 
Atkore Working Capital Days20 — 
Business Unit Adjusted EBITDA— 20 
Business Unit Working Capital Days— 20 

For fiscal year 2022, the AIP metric weighting for our Business Unit Presidents was changed from the prior year. A heavier emphasis was placed on Atkore Adjusted EBITDA; the weighting was increased to 60% from 40% while the Business Unit Adjusted EBITDA weighting was decreased to 20% from 40%. This change was made to better facilitate a one Atkore philosophy while still holding executives accountable for performance at the BU level.
For fiscal year 2022, the Committee considered the following factors in determining the PPF component for our named executive officers under the AIP: (i) input from the CEO; (ii) personal observation of performance; and (iii) the named executive officer’s achievement of individual objectives, which included cost management, strategic initiatives, diversity, equity and inclusion and talent development objectives.
Minimum (1)TargetMaximum
Personal Performance Factor80 %100 %120 %
(1) Given individual facts and circumstances an incentive payout could be modified below 80% to 0%.
ATKORE 2022 PROXY STATEMENT     30

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The threshold, target and maximum goals for such performance period no later than 90Adjusted EBITDA and change in working capital days afterapproved by the Committee at the beginning of fiscal year 2022 and our actual performance during the performance period, or if earlier,year are outlined below ($ in millions):

MetricThresholdTargetMaximumActual
Atkore Adjusted EBITDA$543.8 $679.8 $979.8 $1,341.8 
Atkore Working Capital Days70.7 66.1 59.5 70.2 
BU Adjusted EBITDA:
Safety & Infrastructure$91.4 $114.3 $142.9 $138.4 
Electrical$516.6 $645.8 $937.2 $1,273.4 
BU Working Capital Days:
Safety & Infrastructure63.8 59.6 53.6 76.0 
Electrical (1)74.3 69.4 62.5 68.1 
Payout Percentage50 %100 %250 %
(1)Electrical Business Unit Working Capital Days metric and targets shown are the date on which 25%sum total of the performance period has been completed. our North American Electrical business.

The maximum amount payable to any participant under the AIP during any given twelve-month performance period is $4 million, and this figure is proportionately increased or decreased for longer or shorter performance periods.

For our NEOs, our AIP, as currently designed, primarily rewards growthsignificant increase in Adjusted EBITDA versus targeted levels is primarily attributed to a continued increase in net sales and improvementpricing of PVC products, which were mostly driven by the plastic pipe and conduit category within the Electrical business unit. Pricing for PVC products, as well as other parts of the business, are expected to return to more normal historical levels over time, but that exact time frame is uncertain.


Atkore’s Approach to Goal-Setting
In general, the Company establishes a threshold, target and maximum performance for these financial metrics as follows: (i) using a bottom-up approach that is conducted throughout the year using rolling 12-15 month forecasts, which takes into consideration market growth rates based on industry estimates and the vertical markets (education, manufacturing, warehouse, etc.) that we participate in, as well as the productivity initiatives that are planned for the upcoming year; (ii) performing a top-down approach undertaken by our Corporate Financial Planning and Analysis group to determine the next year’s budget by analyzing base growth assumptions in the numberbusiness, strategic initiatives planned, providing for inflation concerns, eliminating the past year’s one-time impacts and adding in acquisitions.

By using a bottom-up and top-down approach, we are able to review and compare each for excess conservatism or excess optimism in determining the annual planned targets. Once the annual plan is reconciled, it is approved by senior management and the full board.

For fiscal year 2022, the maximum performance under all of working capital days (as defined below). these financial metrics was capped at 250% of target achievement, even if actual performance exceeded the maximum performance goal.

Performance Metric Definitions
"Adjusted EBITDA was used in fiscal 2017 for AIP purposes andEBITDA" was defined for fiscal 2017year 2022 AIP as net income (loss) before: depreciation and amortization, gain on extinguishment of debt, interest expense, (net), income tax expense (benefit),taxes, restructuring and impairments, net periodic pension benefit cost, stock-based compensation, impact from anti-microbial coated sprinkler pipe, or “ABF,” product liability,M&A consulting fees legal settlements,and transaction costs, gain on sale of joint venture and other items, such as inventory reserves and adjustments. The Committee approved modest changes to the impact from our Fencedefinition of Adjusted EBITDA to simplify the calculation and Sprinkler exit.appropriately reflect the items within and outside of management's control. These changes may make direct comparisons between fiscal year 2022 goals and actual performance not directly comparable to prior years. Adjusted EBITDA is anon-GAAP measure which management believes is a helpful indicator of operating performance. Because it is not a measurement of performance under GAAP, Adjusted EBITDA should not be considered as an alternative to net income (loss) or any other performance measure derived in accordance with GAAP or as an alternative to net cash provided by operating activities as measures of liquidity.


ATKORE 2022 PROXY STATEMENT     31

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"Working capital days”days" improvement is a measure intended to reflect the improvement, from one fiscal year to the next, of our short termshort-term financial health and efficiency. Working capital days, both on a corporate and business unit level, is defined as the sum of “Days Sales Outstanding”Outstanding" (i.e., accounts receivable) and “Days"Days Inventory on Hand”Hand" (i.e., the number of days it takes to sell our average balance of inventory) minus “Days"Days Sales Outstanding in Account Payables”Payables" (i.e., accounts payable).

In general, the company establishes a threshold, target and maximum performance for these financial metrics as follows: (i) using a bottom up approach that is conducted throughout the year using rolling

12-15
month forecasts which take into consideration market growth rates based on Dodge estimates and the vertical markets (education, manufacturing, warehouse, etc.) that we participate in, as well as the productivity initiatives that are planned for the upcoming year; (ii) performing a top down approach undertaken by our Corporate Financial Planning and Analysis group to determine the next year’s budget by analyzing base growth assumptions in the business, strategic initiatives planned, providing for inflation concerns, eliminating the past year’s one time impacts and adding in acquisitions.

By using a bottom up and top down approach we are able to review and compare each for excess conservatism or excess optimism in determining the annual planned targets. Once the annual plan is reconciled, it is approved by Senior Management and the full Board of Directors.

For fiscal 2017, the maximum performance under all of these financial metrics was capped at 250% of target achievement, even if actual performance exceeds the maximum performance goal.

In addition, each executive has a portion of his or her AIP compensation based on personal performance factors, including, by way of example, cost management, strategic initiatives and talent development. The personal performance factors of each NEO are individually set, and, based on these personal performance factors, an NEO’s calculated annual incentive payout can be modified down (including to zero, so that no bonus is earned) or up to as much as 200% of the bonus that could have been earned in the absence of the personal performance factors. For fiscal 2017, each NEO’s personal performance factors were measured against objectives including cost management, strategic initiatives and talent development. These metrics measure the success of

the most important elements of our business strategy and require us to balance increases in revenue with financial discipline to produce strong margins and a high level of cash flow. For fiscal 2017, the financial metrics applicable to the named executive officers were weighted as follows:

Metric

  CEO and Chief
Financial
Officer (%)
   Business Unit
Presidents
(%)
   Other
Executive
Officers (%)
 

Atkore Adjusted EBITDA

   75    25    75 

Atkore Working Capital Days

   25    —      25 

Business Unit Adjusted EBITDA

   —      50    —   

Business Unit Working Capital Days

   —      25    —   

For fiscal 2017, the actual financial numbers assigned to Adjusted EBITDA and change in working capital days were as follows ($ in millions):

Metric

  Threshold  Target  Maximum  Actual 

Atkore Adjusted EBITDA

  $200.0  $250.0  $312.5  $225.8 

Atkore Working Capital Days

   62.4   59.4   54.6   62.9 

Business Unit Adjusted EBITDA:

     

Mechanical Products & Solutions

  $67.8  $84.7  $105.9  $70.1 

Conduit & Fittings

  $84.0  $105.0  $131.3  $112.6 

Cable Solutions

  $71.1  $88.9  $111.2  $68.1 

Business Unit Working Capital Days:

     

Mechanical Products & Solutions

   51.0   48.6   44.7   61.3 

Conduit & Fittings

   69.8   66.5   61.2   66.7 

Cable Solutions

   60.4   57.5   52.9   55.7 

Payout Percentage

   50  100  250 

For fiscal 2017, the personal performance factor modified the amounts earned based on Adj. EBITDA and working capital days performance as follows:

   Minimum  Target  Maximum 

Personal Performance Factor

   0  100  200

Fordisclosed herein may differ from those disclosed in the Annual Report on Form 10-K. Those metrics are further adjusted to exclude the impact of acquisitions and divestitures that occurred in the fiscal 2017,year, but were not forecasted within the Compensation Committee considered the following factors in determining the personal performance factor component for our named executive officers under the AIP: (i) input from the CEO; (ii) personal observation of performance; and (iii) the named executive officer’s achievement of individual objectives, which included cost management, strategic initiatives and talent development. For fiscal 2017, personal performance factors for the executive leadership team averaged 106%, with no membertarget.


Fiscal Year 2022 AIP Bonus Summary
The calculations of the executive leadership team receiving greater than 16% above or below the target of 100%.

The table below shows the threshold, target and maximum bonus payments set for the named executive officers under the AIP for fiscal 2017, as well as the actual bonus payments that each of the named executive officers received.

Fiscal 2017 AIP Bonus Summary

The following tables summarize the calculation of the AIP bonuses earned by our NEOs for fiscal 2017:

Named Executive
Officer

 Target
Bonus
Opportunity
as % of
Base Salary
  Atkore
Adjusted
EBITDA
Achievement
(%)(1)
  Business
Unit
Adjusted
EBITDA
Achievement
(%)(1)
  Atkore
Working
Capital Days
Achievement
(%)(1)
  Business
Unit
Working
Capital Days
Achievement
(%)(1)
  Bonus
Payout %
before
Personal
Performance
Factor (A)
  Personal
Performance
Factor (%)
(B)
  Final
Bonus
Earned
as a %
of
Target
(C) =
(A)x(B)
 

John P. Williamson

  125   75.84   —     0.00   —     56.88   104.0   59.16 

James A. Mallak

  60   75.84   —     0.00   —     56.88   104.8   59.61 

Michael J. Schulte

  60   75.84   56.88   —     0.00   47.40   100.3   47.54 

William E. Waltz

  60   75.84   143.01   —     96.52   114.60   101.0   115.75 

Peter J. Lariviere

  60   75.84   0.00   —     157.39   58.31   101.8   59.36 

Named Executive Officer

  Target Bonus
Opportunity
($) (D)
   Actual
($)

(C)x(D)(3)
 

John P. Williamson

   968,750    573,101 

James A. Mallak

   262,200    156,308 

Michael J. Schulte(2)

   254,400    120,947 

William E. Waltz(2)

   254,400    294,439 

Peter J. Lariviere(2)

   228,000    135,337 

(1)The percentages equate to the actual achievement of the relevant financial metric shown in the table of financial metrics in the “—Annual Incentive Plan Compensation” section above. The financial metrics were interpolated from the percentages that correspond to threshold, target or maximum achievement levels. For example, for all of our NEOs, the 75.84% listed for Adjusted EBITDA is based on the actual achievement of this metric of $225.8 million, which has been interpolated from the 100% payout percentage that would have resulted from achievement of $250 million. The business units by which our NEOs’ performance was evaluated were: Mr. Schulte, Mechanical Products and Solutions, Mr. Waltz, Conduit & Fittings and Mr. Lariviere, Cable Solutions.
(2)The target bonus opportunity for Messrs. Schulte, Waltz and Lariviere were determined based on their base salary as of August 1, 2017. Messrs. Schulte and Waltz both had base salaries equal to $424,000 and Mr. Lariviere had a base salary of $380,000.
(3)All percentages shown in the table above are rounded to two decimal places and actual bonus amounts shown above were calculated using four decimal places. Any differences in bonus amounts shown versus amounts calculated using table percentages are due to rounding.

year 2022 is outlined below:

Named Executive
Officer
Target Bonus
Opportunity
(A)
Bonus Payout % before Personal Performance Factor
(B)
Valued Earned Based on EBITDA & WCD Metric Performance (A * B)Personal
Performance
Factor (%)
(C)
Final Bonus
Earned after Application of Personal Performance Factor
(A * B) * C
William E. Waltz Jr.$1,200,000 211.1 %$2,532,814 105 %$2,659,455 
David P. Johnson$393,750 211.1 %$831,080 105 %$872,634 
Daniel S. Kelly$315,000 211.1 %$664,864 104 %$691,459 
Mark F. Lamps$307,300 200.0 %$614,600 106 %$651,476 
John W. Pregenzer$307,300 225.5 %$693,054 107 %$741,568 

Long-Term Incentives

During fiscal 2017,year 2022, we compensated our named executive officers with equity compensation consisting of stock options, RSUs and PSUs:

Options
Our CEO, Mr. Waltz's long-term incentive equity grants mix was changed such that for fiscal years beginning in 2022 he would receive annual grants in the same mix as other senior executives. As such, Mr. Waltz's long-term incentive was allocated based on dollar value of the grant in the following percentages: 25% to stock options, 25% to RSUs and 50% to PSUs. The dollar value of Mr. Waltz equity grant for fiscal year 2022 was $3,800,000. Prior to fiscal year 2022, upon his promotion to CEO in fiscal year 2019, Mr. Waltz was granted a one-time stock option grant valued at $3,000,000. This stock option grant was sized to represent the stock option portion of his annual equity grants for fiscal years 2019, 2020 and 2021.

Stock options are granted with an exercise price equal to the fair market value (closing price) of our shares on the date of grant, vest ratably over three years and have a term of ten years. We compensate our named executive officers with stock options because we view stock options as inherently performance-based even when vesting based solely on continued service.because they only deliver value if our stock price increases from the time of grant.


An RSU represents a right to receive a share of Company common stock in the future, if and when the RSU vests. All RSUs granted as part of our annual grant processes vest ratably over three years unless earlier forfeited.years. We compensate our named executive officers with service-vesting RSUs to provide additional incentives based on the performance of our stock price and to encourageretain our named executive officers to remain employed during the vesting period.


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A PSU represents a right to receive a share of Company common stock in the future, if and when the PSU vests. Each award of PSUs is denominated in a target number of our shares, andwith the number of

shares that may be earned ranging from 0% to 175% of the target number based on actual performance against the performance metrics. PSUs vest based on achievement of the following performance criteria, measured during a period of the three fiscal years commencing on October 1, 2020: (i) 50% of each PSU award vests based on the total stockholder return of our common stock relative to a group of comparable companies ("performance peer group" as described below) (rTSR) as specified in the PSU award agreement, and (ii) 50% of each PSU award vests based on achievement of cumulative adjusted net income ("NI") relative to internally-established goals.

shares that may be earned ranges from 0% to 200% of the target number based on actual performance against the performance metrics. PSUs vest based on achievement of the following performance criteria, measured during a period of the three fiscal years commencing on October 1, 2016: (i) 30% of each PSU award vests based on total stockholder return with respect to Company stock relative to the total stockholder return with respect to common stock of a group of comparable companies including our peer companies specified in the applicable PSU award agreement, and (ii) 70% of each PSU award vests based on achievement of cumulative adjusted net income during the3-yr performance period. We grant PSUs to our named executive officers in order to provide incentives to achieve corporate goals that are important to us and our stockholders and to provide appropriate rewards to our executives for achieving those goals.

"Adjusted net income" is defined for compensation purposes as net income (loss) before: M&A consulting fees and transaction costs, gains or losses on the sale of joint ventures, other fixed assets, or on the extinguishment of debt, other items, such as inventory reserves and adjustments, changes in tax or accounting standards and the impact of foreign exchange gains or losses, and the impact of the interest expense related to debt incurred in the repurchase of shares. The Committee approved modest changes to the definition of adjusted net income to simplify the calculation and appropriately reflect the items within and outside of management's control. These changes may make direct comparisons between fiscal year 2022 goals and actual performance not directly comparable to prior years. Adjusted net income is a non-GAAP measure that management believes is a helpful indicator of operating performance. However, because it is not a measurement of performance under GAAP, adjusted net income should not be considered as an alternative to net income (loss) or any other performance measure derived in accordance with GAAP or as an alternative to net cash provided by operating activities as measures of liquidity.


We grant PSUs to our named executive officers in order to provide incentives to achieve corporate goals that are important to us and our stockholders and to provide appropriate rewards to our executives for achieving those goals. Payout levels for each PSU metric is shown in the chart below:
Internal Performance Metric (NI)External Performance Metric (rTSR)
Performance Level% Achievement vs. Target% of Target PayoutPerformance LevelRelative TSR Percentile
% of Target Shares Vesting (1)
Below Threshold Payout< 80% of Target—%Below Threshold Payout< 25th Percentile—%
Threshold Payout80% of Target50%Threshold Payout25th Percentile50%
Target Payout100% of Target100%Target Payout50th Percentile100%
Maximum Payout>= 125% of Target200%Maximum Payout>= 75th Percentile150%
(1)Vesting for rTSR component limited to 100% of target if Atkore absolute TSR for the Performance Period is negative

The rTSR performance peer group is determined annually and for fiscal year 2022 was comprised of 92 companies. This group is determined based on the following objective criteria:

Companies that are constituents of the Russell 3000 Index
Companies that are traded on U.S. stock exchanges
Companies in the Capital Goods Industry Group (GICS 2010), the Steel Industry (GICS 15104050), the Commodity Chemicals Industry (GICS 15101010) and are a part of our executive compensation peer companies
Companies with revenue ranging from $1.0 billion to $6.0 billion
Companies with market capitalization ranging from $1.0 billion to $13.0 billion

For the effect of a termination of employment or a change in control of us on these equity awards, please see “Executive Compensation—Potential“Potential Payments upon Termination or Change in Control.”

Control” beginning on page 43.


ATKORE 2022 PROXY STATEMENT     33

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In fiscal 2017,year 2022, our named executive officers received the following grants of equity compensation as part of our normal equity awards procedures:

Name

  Equity Awards     
  Stock Option ($)   RSU ($)   PSU ($)   Total ($) 

John P. Williamson

   612,500    612,500    1,225,000    2,450,000 

James A. Mallak

   125,000    125,000    250,000    500,000 

William E. Waltz

   128,750    128,750    257,500    515,000 

Michael J. Schulte

   128,750    128,750    257,500    515,000 

Peter J. Lariviere

   128,750    128,750    257,500    515,000 

procedures (as measured based on the grant date value of such awards):

Equity Awards 
NameStock Options ($)RSU ($)PSU ($)Total ($)
William E. Waltz Jr.950,000 950,000 1,900,000 3,800,000 
David P. Johnson275,000 275,000 550,000 1,100,000 
Daniel S. Kelly150,000 150,000 300,000 600,000 
Mark F. Lamps175,000 175,000 350,000 700,000 
John W. Pregenzer187,500 187,500 375,000 750,000 
Payout Under the 2020-2022 PSU Performance Cycle
For grants issued in fiscal year 2020, 50% of each NEO's annual target long-term incentive was converted to a target number of PSUs by dividing the intended value by a weighted average stock price calculated as 50% of the Atkore closing stock price as of the date of grant plus 50% of the fair value (under FASB ACS Topic 718) calculation of Atkore stock over the three-year performance period. The fair value calculation was determined by AON Consulting using the closing price of Atkore stock on the date of grant.

For the 2020-2022 performance cycle, our overall performance resulted in a payout of 175.0% of the target award, as illustrated in the table below. Our net income was achieved at 342.5% of target, resulting in a net income payout of 200.0% of target. Our rTSR performance over the 3-year performance cycle beginning in 2020 and ending in 2022 was 161.4% . This level of achievement placed Atkore at the 96th percentile of the performance peer group, resulting in a rTSR payout of 150.0% of target.
Performance CycleNet Income Performance (50% Weighting)rTSR Performance (50% Weighting)Overall Payout % vs. Target
Achievement %Payout %Percentile RankPayout %
2020 - 2022343%200%96th150%175%
The maximum achievement and payout of Adjusted Net Income versus targeted levels is directly attributed to the increase in net sales which were mostly driven by the plastic pipe and conduit category within the Electrical business unit. The rTSR component of the performance plan payout is solely driven by company performance versus a 92 member peer set of companies that are of similar size based on revenue and market capitalization and are within the same general industries as Atkore.

Named Executive Officer PSU Distribution
Based on the final payout of 175.0%, the NEOs received the following number of shares of Atkore common stock:
Named Executive OfficerTarget Award (# of Shares)Final Award (# of Shares)
William E. Waltz Jr.35,246 62,436 
David P. Johnson8,038 14,239 
Daniel S. Kelly6,183 10,953 
Mark F. Lamps6,183 10,953 
John W. Pregenzer5,565 11,282 
Additional information regarding the payouts under the 2020-2022 PSU performance cycle is provided in the Options Exercised and Stock Vested table on page 42.

ATKORE 2022 PROXY STATEMENT     34

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Equity Awards Procedure

The Compensation Committee generally intends to make equity grants at approximately the same time each year (during the first fiscal quarter) following our release of financial information; however, the Compensation Committee may choose to make equity awards outside anof the annual broad-based grant (i.e.(e.g., for new hires, employee promotions, company acquisitions or employee retention purposes). It is the Compensation Committee’s practice not to grant equity awards when the Company or its subsidiaries possess materialnon-public information, unless the Compensation Committee has considered the potential impact that public disclosure will have on the stock price, and the Compensation Committee has made an affirmative decision to go forward with the grant. StockThe stock options may be granted only with an exercise price at or above the fair market value of our stock.

Retention Awards

In order to provide an additional retention incentive to Mr. Mallak, in September 2017 we granted Mr. Mallak a retention bonus of $450,000, payable in two installments and subject to his remaining employed through the two payment dates. The payment dates for the retention bonus are July 1, 2018 and December 31, 2018. For each month after December 31, 2018 that Mr. Mallak remains employed, he would receive an additional retention bonus of $37,500, payable on a current basis. In determining the stated amount awarded to Mr. Mallak, the Compensation Committee reviewed proxy reporting data provided by Aon Hewitt through their CG Pro database. After reviewing this data, the Company determined that a payment of this type closely approximated one times base pay.

In addition, in September 2017 we made a grant of 68,846 additional RSUs to each of Messrs. Waltz, Schulte and Lariviere in order to provide them with additional incentives to remain employed with us during the applicable vesting period. We refer to these RSUs below as “special retention RSUs.” These special retention RSUs vest in a single installmentstock on the third anniversary of the date of grant with accelerated vesting in full in the event of the holder’s death or disability prior to the vesting date, and pro rata accelerated vesting in the event

date.

of the holder’s termination without cause prior to the vesting date. At the time of grant the RSUs awarded were targeted at the median total direct compensation of our peer group for Messrs. Waltz, Schulte and Lariviere. Median total direct compensation for these individual was approximated $1.2 million.


Benefit Plans

Our benefit programs are established based upon an assessment of competitive market factors and a determination of what is needed to attract, retain and motivate high-caliber executives. Our primary benefits for our named executive officers include participation in our broad-based plans:tax-qualified defined contribution 401(k) retirement savings plan, health and dental plans and various insurance plans, including disability and life insurance. Specific to our 401(k) retirement savings plan, we match the contributions of each of our employees, including our named executive officers, at a rate of 50% of the first 6% of the employee’s contributions. Employees and named executive officers are immediately vested in both their individual contributions and company matching contributions. Our executive officers do not currently participate in or have a vested right to any defined benefit pension plans, supplemental executive retirement plans, or “SERP,” or other deferred compensation plans.


Perquisites

The perquisites that we provide to our named executive officers are not material and are not considered by our Human Resources & Compensation Committee in determining compensation levels of our named executive officers. These include housing allowances, cell phone stipends, group term life insurance covered,coverage, relocation expenses, commuter expenses, employee referral bonusesexecutive physicals and spot awards (although no named executive officer received an employee referral bonus or a spot award in fiscal 2017).financial planning and tax preparation services. For a description of the perquisites paid to our named executive officers, please see the Summary Compensation Table below.

on page 37.


Employment and Severance Agreements

Except for our CEO, none

None of the named executive officers is currently a party to an employment agreement, offer letter or severance agreement. The CEO’s employment agreement survives only tothat governs the extent it is not superseded by the retention and severance provisionsterms of the severance policy adopted in July 2017. Although certain other of our named executive officers were previously subject to severance agreements, alltheir post-termination compensation. All of the named executive officers have elected to terminate these arrangements and are now covered under the severance policy adopted in July 2017.

See "Summary Compensation Table" and "Potential Payments upon Termination or Change in Control" on pages 38 and 43 for more information on compensation of our NEOs, including payments due to NEOs upon a termination of employment.


Compensation Risk Assessment
The Committee assessed our compensation policies and practices to evaluate whether they create risks that are reasonably likely to have a material adverse effect on the Company. Based on its assessment, the Committee concluded that the Company’s compensation policies and practices do not create incentives to take risks that are reasonably likely to have a material adverse effect on the Company. We believe we have allocated our compensation among base salary, short-term incentives and long-term equity in such a way as to not encourage excessive risk-taking. In fiscal year 2022, the Committee’s compensation consultant, FW Cook, assisted us in a review of potential risks associated with our compensation practices. As part of its review, FW Cook examined the compensation programs for our senior leadership team and concluded, consistent with the conclusions of our Committee, that (1) our compensation programs are well designed to encourage behaviors aligned with the long-term interests of our stockholders, (2) there is an appropriate balance in fixed versus variable pay, cash versus equity, financial and non-financial goals, short-term and long-term measurement periods, and discretion under our compensation programs, and (3) appropriate policies are in place to mitigate compensation risk (including stock ownership guidelines, a robust clawback policy, insider trading prohibition and independent oversight).

ATKORE 2022 PROXY STATEMENT     35

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Stock Ownership Guidelines
The board has adopted stock ownership guidelines for executive officers of the Company. The board believes that setting these ownership guidelines will enhance an executive officer's alignment with other stockholders. The Committee expects that these ownership guidelines will be met over time and intends to review executive officer stock ownership levels on an annual basis but has currently not adopted any specific time frame for meeting them.

The ownership guidelines for executive officers are based on a multiple of annual base salary, with the CEO expected to own stocks valued at five times his annual salary and other executive officers expected to own stock valued at three times their respective annual salaries. Shares included in the ownership guideline calculation include shares owned by the executive and do not include unearned PSUs, unvested RSUs or unexercised stock options.

Until an executive officer meets the stock ownership requirements set forth above, he or she must retain a specified percentage of after-tax “net profit shares” realized from (i) the exercise of stock options, (ii) the settlement of PSUs and (iii) the vesting of RSUs. Net profit shares are calculated after payment of the stock option exercise price and using the maximum marginal federal, state and local employment and income tax rates. The percentages of the net profit shares required to be retained are as follows:
ParticipantRetention Percentage
Chief Executive Officer75%
All Other Executive Officers50%

Clawback Policy
In 2017, the board adopted a clawback policy applicable to current and former executive officers of the Company. Although the clawback rules enacted under Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) are not yet effective, the board concluded that having a robust recoupment policy is advisable and in the best interests of the Company and our stockholders, furthers our culture of integrity and accountability and reinforces our pay-for-performance compensation philosophy. The policy was effective as of May 2, 2017 and updated as of July 28, 2020, and applies to covered incentive compensation approved, awarded or granted after the initial policy date.

Under the updated clawback policy, in the event that the Company is required to prepare an accounting restatement of its financial statements due to material noncompliance with any financial reporting requirement under the securities laws or a covered employee commits illegal acts, theft, fraud, or intentional misconduct, the board may require reimbursement or forfeiture (on an after-tax basis) of any incentive compensation received during the three completed fiscal years immediately preceding the date on which Atkore is required to prepare an accounting restatement.

Incentive compensation covered by the clawback policy includes any variable compensation, the vesting of which is based wholly or in part on the attainment of a financial reporting measure, including annual bonuses, stock options, RSUs and PSUs. Financial measures covered by the clawback policy include our stock price, total stockholder return and revenue-based and income-based measures, and improvement in working capital days.

The decision of whether to recover compensation under the clawback policy is within the discretion of the board. If the board determines to apply the policy, it may do so by requiring the covered executive to reimburse the Company, pursuing gain realized from the vesting, exercise or settlement of equity awards, offsetting other compensation owed to the covered executive, canceling outstanding awards, or taking other actions permitted by applicable law.

Tax Deductibility of Compensation and otherOther Company Policies

Section 162(m)

In light of the Code imposes a $1 million limit on the amount that a public company may deduct for compensation paid to the company’s chief executive officer and three other most highly compensated executive officers (other than the principal financial officer) employed asrepeal of the end of the year. This limitation does not apply toperformance-based compensation that is paid only if the executive’s performance meetspre-established objective goals based on performance criteria approved by our stockholders. Both our Annual Incentive Plan and our Omnibus Incentive Plan have been approved by our stockholders in order to qualify for this exception, in those situations in which we determine it to be advisable to utilize this exception. However, because we believe that the primary drivers for determining the amount and form of executive compensation must be the retention and motivation of superior executive talent, we have awarded, and we will also consider awarding, compensation that may not be fully deductible if we determine that the nondeductible compensation is nonetheless in the Company’s best interests and the best interests of its stockholders (for example, service-vesting RSUs).

Executive Compensation

The following table shows information regarding the total compensation paid to the named executive officers for each of our last three completed fiscal years. The compensation reflected for each individual was for their services provided in all capacities to us. Our fiscal 2017 ended on September 30, 2017.

Summary Compensation Table

Name

 Year  Salary
($)
  Bonus
($)
  Stock
Awards
($)(2)
  Option
Awards
($)(3)
  Non-Equity
Incentive Plan

Compensation
($)(4)
  All Other
Compensation
($)(5)
  Total
($)
 

John P. Williamson

  2017   777,700   —     1,837,502   612,497   573,101   19,303   3,820,103 

President & Chief

  2016   736,723(1)   —     —     —     1,834,194   10,895   2,581,812 

Executive Officer

  2015   646,154   —     —     —     1,583,204   9,595   2,238,953 

James A. Mallak

  2017   437,000   —     375,025   124,998   156,308   13,725   1,107,056 

Vice President & Chief

  2016   447,346(1)   —     —     —     505,659   12,701   965,706 

Financial Officer

  2015   415,594   —     —     —     461,391   12,141   889,126 

William E. Waltz

  2017   419,500   —     1,586,221   128,746   294,439   70,147   2,499,053 

Group President, Electrical

  2016   420,984(1)   —     —     —     502,115   10,466   933,565 

Raceway

  2015   363,992   —     —     —     223,041   10,414   597,447 

Michael J. Schulte

  2017   419,500   —     1,586,221   128,746   120,947   95,030   2,350,444 

Group President,

  2016   420,984(1)   —     —     —     338,190   8,615   767,789 

Mechanical

  2015   386,539   —     —     —     220,431   9,638   616,608 

Products & Solutions

        

Peter J. Larivere

  2017   369,746   —     1,586,221   128,746   135,337   9,695   2,229,745 

President, Cable Solutions

  2016   330,431   —     —     —     404,155   10,330   744,916 
  2015   269,553   —     —     —     206,936   8,768   485,257 

(1)Salary data for fiscal 2016 is reflective of 27 pay periods for all of our NEOs except Mr. Lariviere, as his salary is based on the customary 26 pay periods in a normal fiscal year.
(2)The amounts reported in the Stock Awards column reflect the grant date fair value associated with awards of RSUs and PSUs to each of the NEOs. The value of the PSUs awarded is subject to the achievement of certain performance criteria over a three-year performance period. For further information, see “Compensation Discussion and Analysis—Long-Term Incentives” beginning on page 30.
(3)The amounts reported in the Option Awards column represent the grant date fair value associated with option grants to each of the NEOs. For further information on the stock option grants awarded, see “Grants of Plan-Based Awards” beginning on page 35.
(4)Amounts reflect annual cash incentive compensation earned under the AIP for the relevant fiscal year. For further information, see “—Compensation Discussion and Analysis” under the heading “—Annual Incentive Plan Compensation in Fiscal 2017” beginning on page 28.
(5)Amounts represent certain perquisites, retirement and health plan contributions and commuter travel expenses as shown in the following table.

All Other Compensation

Name

  Year   Perquisites
($)(1)
   Retirement
Plan
Contributions

($)(2)
   Health
Savings Plan
Contributions
($)(3)
   Commuter
Travel
Expense
($)(4)
   Total
($)
 

John P. Williamson

   2017    3,676    7,841    1,000    6,786    19,303 
   2016    3,114    7,781    —      —      10,895 
   2015    1,645    7,950    —      —      9,595 

James A. Mallak

   2017    4,625    8,100    1,000    —      13,725 
   2016    4,751    7,950    —      —      12,701 
   2015    4,191    7,950    —      —      12,141 

William E. Waltz

   2017    2,578    7,724    1,000    58,845    70,147 
   2016    2,639    7,827    —      —      10,466 
   2015    2,464    7,950    —      —      10,414 

Michael J. Schulte

   2017    938    8,100    500    85,492    95,030 
   2016    665    7,950    —      —      8,615 
   2015    606    9,032    —      —      9,638 

Peter J. Larivere

   2017    1,654    8,041    —      —      9,695 
   2016    1,284    9,046    —      —      10,330 
   2015    607    8,161    —      —      8,768 

(1)Amounts listed include payments and benefits relating to cell phone stipends and group term life insurance coverage.
(2)Amounts reflect matching contributions made on behalf of each named executive officer to ourtax-qualified 401(k) retirement savings plan.
(3)Amounts reflect employer provided contributions made on behalf of each named executive officer to theirtax-qualified health savings account plan.
(4)Amounts reflect employer paid commuter travel expenses. Amounts shown for Messrs. Waltz and Schulte include commuter travel expenses for fiscal years 2015 and 2016 that were not previously reported. Mr. Waltz’s fiscal year 2015 expenses total $15,866 and his fiscal year 2016 expenses total $20,267. Mr. Schulte’s fiscal year 2015 expenses total $21,756 and his fiscal 2016 expenses total $38,430.

Grants of Plan-Based Awards in Fiscal 2017

The following table summarizes cash-based awards and equity awards that were granted to each of the named executive officers during fiscal 2017:

Name

 Grant Date  

 

Estimated Possible Payouts Under

Non-Equity Incentive Plan Awards(1)

  

 

Estimated Possible Payouts Under

Equity Incentive Plan Awards(2)

  All Other
Stock
Awards:
Number
of Shares
of

Stock or
Units
(#)(3)
  All Other
Option
Awards:
Number of
Securities

Underlying
Option
(#)(4)
  Exercise
or Base
Price of
Option

Awards
($/
SH)(5)
  Grant Date
Fair Value
of

Stock and
Option
Awards
 
       
      Threshold    
($)
  Target
($)
  Maximum
($)
  Threshold
(#)
  Target
(#)
  Maximum
(#)
     
           

John P. Williamson

  $484,375  $968,750  $2,421,875   —     —     —     —     —     —     —   
  11/30/2016   —     —     —     26,211   52,422   104,844   —     —     —    $1,224,997 
  11/30/2016   —     —     —     —     —     —     28,555   —     —    $612,505 
  11/30/2016   —     —     —     —     —     —     —     69,287  $21.45  $612,497 

James A. Mallak

  $131,100  $262,200  $655,500   —     —     —     —     —     —     —   
  11/30/2016   —     —     —     5,350   10,699   21,398   —     —     —    $250,014 
  11/30/2016   —     —     —     —     —     —     5,828   —     —    $125,011 
  11/30/2016   —     —     —     —     —     —     —     14,140  $21.45  $124,998 

William E. Waltz

  $127,200  $254,400  $636,000   —     —     —     —     —     —     —   
  11/30/2016   —     —     —     5,510   11,019   22,038   —     —     —    $257,492 
  11/30/2016   —     —     —     —     —     —     6,002   —     —    $128,743 
  11/30/2016   —     —     —     —     —     —     —     14,564  $21.45  $128,746 
  9/6/2017   —     —     —     —     —     —     68,846   —     —    $1,199,986 

Michael J. Schulte

  $127,200  $254,400  $636,000   —     —     —     —     —     —     —   
  11/30/2016   —     —     —     5,510   11,019   22,038   —     —     —    $257,492 
  11/30/2016   —     —     —     —     —     —     6,002   —     —    $128,743 
  11/30/2016   —     —     —     —     —     —     —     14,564  $21.45  $128,746 
  9/6/2017   —     —     —     —     —     —     68,846   —     —    $1,199,986 

Peter J. Larivere

  $114,000  $228,000  $570,000   —     —     —     —     —     —     —   
  11/30/2016   —     —     —     5,510   11,019   22,038   —     —     —    $257,492 
  11/30/2016   —     —     —     —     —     —     6,002   —     —    $128,743 
  11/30/2016   —     —     —     —     —     —     —     14,564  $21.45  $128,746 
  9/6/2017   —     —     —     —     —     —     68,846   —     —    $1,199,986 

(1)Amounts in these columns represent potential annual performance bonuses that the NEOs could have earned under the AIP for fiscal 2017. The actual amounts of the awards made to the NEOs are included in theNon-Equity Incentive Plan Compensation column of the Summary Compensation Table.
(2)Subject to the achievement of certain performance criteria, represents the potential number of shares that may be issued to the NEO pursuant to the grant of PSU awards made in fiscal 2017 under the Omnibus Incentive Plan of 2016 (see “Compensation Discussion and Analysis—Long-Term Incentives” beginning on page 30.
(3)Represents the number of shares subject to RSU awards made in fiscal 2017 under the Omnibus Incentive Plan of 2016. The RSU awards vestone-third on the first, second and third anniversaries of the grant date, contingent on the NEO continuing their employment with the Company through each date. RSU grants made to Messrs. Waltz, Schulte and Lariviere equaling 68,846 vest three years from the date of grant.
(4)Represents the number of shares subject to stock option grants made in fiscal 2017 under the Omnibus Incentive Plan of 2016. All options granted in fiscal 2017 to NEOs have a term of ten years from the grant date and vestone-third on the first, second and third anniversaries of the grant date, contingent on the NEO continuing their employment with the Company through each date.
(5)Represents the exercise price for the option awards, which were determined based on the closing market price of a share of our common stock on the date of grant.

Outstanding Equity Awards at 2017 FiscalYear-End

The following table shows, for each of the named executive officers, all equity awards that were outstanding as of September 30, 2017.

Name

 Grant Date  Options Awards(1)  Stock Awards(2) 
  Number of
Securities
Underlying
Unexercised
Options (#)
Exercisable
  Number of
Securities
Underlying
Unexercised
Options (#)
Unexercisable
  Number of
Securities
Underlying
Unexercised
Unearned
Options (#)
  Option
Exercise
Price
($)
  Option
Expiration
Date
  Number of
Shares or
Units of
Stock that
Have Not
Vested (#)
  Market
Value of
Shares or
Units of
Stock that
Have Not
Vested ($)(3)
  Number
of

Unearned
Shares,
Units

Other
Rights

That
Have Not

Vested
(#)
  Market
Value of
Unearned
Shares, Units
Other Rights
That Have
Not

Vested ($)(4)
 

John P. Williamson

  6/10/2011   408,000   —     —    $7.30   6/10/2021   —     —     —     —   
  12/7/2011   109,600   —     —    $7.30   12/7/2021   —     —     —     —   
  12/7/2012   383,600   95,900   —   $7.30   12/7/2022   —     —     —     —   
  11/30/2016   —     69,287   —    $21.45   11/30/2026   —     —     —     —   
  11/30/2016   —     —     —     —     —     28,555  $557,108   —     —   
  11/30/2016   —     —     —     —     —     —     —     52,422  $1,022,753 

James A. Mallak

  12/7/2012   230,160   57,540   —    $7.30   12/7/2022   —     —     —     —   
  11/30/2016   —     14,140   —    $21.45   11/30/2026   —     —     —     —   
  11/30/2016   —     —     —     —     —     5,828  $113,704   —     —   
  11/30/2016   —     —     —     —     —     —     —     10,699  $208,737 

William E. Waltz

  2/24/2014   32,880   8,220   —    $7.30   2/24/2024   —     —     —     —   
  2/24/2014   109,600   27,400   —    $7.30   2/24/2024   —     —     —     —   
  5/22/2014   65,760   43,840   —    $9.12   5/22/2024   —     —     —     —   
  11/30/2016   —     14,564   —    $21.45   11/30/2026   —     —     —     —   
  11/30/2016   —     —     —     —     —     6,002  $117,099   —     —   
  11/30/2016   —     —     —     —     —     —     —     11,019  $214,981 
  9/6/2017   —     —     —     —     —     68,846  $1,343,185   —     —   

Michael J. Schulte

  5/12/2014   78,912   52,608   —    $9.12   5/12/2024   —     —     —     —   
  5/12/2014   139,740   93,160   —    $9.12   5/12/2024   —     —     —     —   
  11/30/2016   —     14,564   —    $21.45   11/30/2026   —     —     —     —   
  11/30/2016   —     —     —     —     —     6,002  $117,099   —     —   
  11/30/2016   —     —     —     —     —     —     —     11,019  $214,981 
  9/6/2017   —     —     —     —     —     68,846  $1,343,185   —     —   

Peter J. Larivere

  10/21/2013   27,400   27,400   —    $7.30   10/21/2023   —     —     —     —   
  10/21/2013   8,220   8,220   —    $7.30   10/21/2023   —     —     —     —   
  5/22/2014   21,920   43,840   —    $9.12   5/22/2024   —     —     —     —   
  11/30/2016   —     14,564   —    $21.45   11/30/2026   —     —     —     —   
  11/30/2016   —     —     —     —     —     6,002  $117,099   —     —   
  11/30/2016   —     —     —     —     —     —     —     11,019  $214,981 
  9/6/2017   —     —     —     —     —     68,846  $1,343,185   —     —   

(1)Stock option awards granted prior to November 30, 2016 vest over a period of five years withone-fifth becoming exercisable on each anniversary of the grant date. Stock option awards granted after November 29, 2016 vest over a period of three years withone-third becoming exercisable on each anniversary of the grant date.
(2)In general, annual RSU grants vest over a period of three years withone-third becoming exercisable on each anniversary of the grant date. RSUs granted to Messrs. Waltz, Schulte and Lariviere on September 6, 2017 vest on the third anniversary of the grant date. PSUs vest at the end of a three-year performance period.
(3)RSU market value is determined by multiplying the total number of shares awarded that have not vested times $19.51, the closing price of a share of our common stock on the NYSE on September 29, 2017.
(4)PSU market value is determined by multiplying the total number of shares awarded that have not vested times $19.51, the closing price of a share of our common stock on the NYSE on September 29, 2017.

Option Exercises and Stock Vested in Fiscal 2017

The following table shows, for each of the named executive officers, stock options exercised and stock awards vesting that were outstanding as of September 30, 2017.

Name

  Options Awards(1)   Stock Awards(2) 
  Number of
Shares
Acquired on
Exercise
(#)
   Option
Exercise
Price
($)
   Number of
Shares
Acquired on
Vesting
(#)
   Value
Realized on
Vesting
($)
 

John P. Williamson

   140,000   $2,336,615    —     $—   

James A. Mallak

   123,300   $2,322,606    —     $—   

William E. Waltz

   —     $—      —     $—   

Michael J. Schulte

   —     $—      —     $—   

Peter J. Larivere

   150,700   $2,742,998    —     $—   

(1)Stock options exercised by Messrs. Mallak and Larivere were paid out in both cash and shares of Atkore common stock; Mr. Mallak retained 25,000 shares and Mr. Lariviere retained 17,640 shares.
(2)No stock awards vested during Fiscal year 2017.

Employment Agreements and Offer Letters

Except the CEO, none of our named executive officers is currently a party to an employment agreement or an offer letter, and all of our other named executive officers have elected to be covered under the severance policy adopted by us in July 2017.

In July 2017, we adopted a Severance and Retention Policy for Senior Management for the benefit of our named executive officers and certain other executive officers of the Company. Participation in the severance policy is voluntary, and if a participant who is subject to an employment agreement or offer letter elects to be covered by the severance policy, that employment agreement or offer letter would be superseded by the severance policy. To date, all of our named executive officers have elected to be covered under the policy.

Under the Policy, a Participant is entitled to receive severance payments and termination benefits upon a future termination of the Participant’s employment by the Company without “cause” or by the Participant with “good reason” (each, a “qualifying termination”). These payments and termination benefits include:

a severance payment equal to the sum of (x) the Participant’s then-current base salary times a “severance multiple” (described below) plus (y) the average of Participant’s three most recent annual bonuses times the severance multiple;

apro-rated annual bonus payment for the fiscal year in which the termination occurs, based on actual performance of Company metrics and target performance of individual metrics, and payable in a lump sum on the date of payment of annual bonuses generally; and

to the extent the Participant elects COBRA continuation coverage, the provision of such coverage at active-employee rates for a period equal to the lesser of 18 months or the number of months (of severance) to which Participant would be entitled after applying the severance multiple

The severance multiples under the severance policy depend on whether the qualifying termination occurs before or after a change in control of us:

Participant  If the qualifying termination
occurs prior to a change in control:
   If the qualifying termination occurs
within 24 months following a change in control:
 

CEO

   2.0    2.5 

Other NEOs

   1.0    1.5 

The severance payment will be paid in a number of monthly installments equal to the number of months that comprise the severance multiple (e.g., if the severance multiple is 1, the number of monthly installments would be 12), except that, if the termination occurs after a change in control, the severance payment will be paid in a lump sum to the maximum extent practicable under applicable law. If any payments to a participant under the severance policy trigger golden parachute excise taxesexemption under Section 4999162(m) of the Internal Revenue Code, the payments would be reducedHuman Resources & Compensation Committee may authorize compensation that is not deductible if the reductionit is better for the participant on anafter-tax basis, and none of our employees is entitleddetermined to be made whole for these taxes under any circumstances.

The severance policy includes customary restrictive covenants that apply for a period based onappropriate and in the applicable severance multiple (and so determined whether or not the termination is a qualifying termination). In order to receive the severance payments and termination benefits under the severance policy, the participant must execute a release of claims and comply with the applicable restrictive covenants.

Pension Benefits andNon-Qualified Deferred Compensation

Our named executive officers do not currently participate in anytax-qualified ornon-qualified defined benefit pension plans, and we do not currently sponsor anynon-tax qualified deferred compensation plans. Our named executive officers do participate in ourtax-qualified 401(k) retirement savings plan, under which we match the contributions of each of our employees, including our named executive officers, at a rate of 50%best interests of the first 6% contributed by each employee. EmployeesCompany and named executive officers are immediately vested in the matching contributions. Matching contribution amounts can be found in the “All Other Compensation” table under the heading “Retirement Plan Contributions.” We intend to adopt anon-qualified supplemental defined contribution plan to provide a supplemental matching contribution to those of our executives (including our named executive officers) who are limited in their ability to defer compensation under our qualified 401(k) retirement savings plan due to compensation limits under the Code.

stockholders.

Potential Payments upon Termination or Change in Control

The following table summarizes the severance benefits that would have been payable to each of the named executive officers upon termination of their employment or the occurrence of a change in control, assuming that (1) the triggering event or events occurred on September 30, 2017, (2) payment is made to the relevant individual under our severance policy described above and (3) for equity awards, the relevant share price was the closing price of our common stock on September 29, 2017, which is the last day of fiscal 2017 for which public stock prices are available ($19.51). The specific benefits that would have been payable are further described in the footnotes following the table. For purposes of this table, “retirement” is deemed to occur on a voluntary termination after an individual’s age and years of service equal or exceed 67 (and subject to a six month advance notice requirement). Currently, Mr. Mallak is the only named executive officer who is eligible for retirement.

Name / Form of Compensation

 Change in
Control
($)
  With
Cause
($)
  Without
Cause
or With
Good Reason
($)
  Resignation
($)
  Death or
Disability
($)
  Retirement
($)
 

John P. Williamson(1)

      

Severance

  5,785,503   —     4,737,512   —     573,101   —   

Benefit & Perquisite Continuation

  27,001   —     27,001   —     —     —   

Accelerated Vesting of Equity Awards(2)(3)

  13,754,452   —     —     —     2,750,800   —   

James A. Mallak(1)

      

Severance

  1,373,488   —     967,761   —     156,308   —   

Benefit & Perquisite Continuation

  23,501   —     19,167   —     —     —   

Accelerated Vesting of Equity Awards(2)(3)

  3,835,258   —     —     —     1,025,004   1,025,004 

William E. Waltz(1)

      

Severance

  1,479,237   —     1,084,304   —     294,439   —   

Benefit & Perquisite Continuation

  32,626   —     25,250   —     —     —   

Accelerated Vesting of Equity Awards(2)(3)

  4,988,610   —     —     —     2,565,683   —   

Michael J. Schulte(1)

      

Severance

  1,135,732   —     797,470   —     120,947   —   

Benefit & Perquisite Continuation

  32,626   —     25,250   —     —     —   

Accelerated Vesting of Equity Awards(2)(3)

  5,461,589   —     —     —     3,189,794   —   

Peter J. Larivere(1)

      

Severance

  1,108,551   —     784,146   —     135,337   —   

Benefit & Perquisite Continuation

  20,873   —     17,416   —     —     —   

Accelerated Vesting of Equity Awards(2)(3)

  3,228,352   —     —     —     2,565,683   —   

(1)Under the terms of our severance policy, if the employment of a named executive officer is terminated without “cause” or for “good reason,” he is eligible to receive (1) a multiple of his base salary and prior years’ bonuses, (2) a pro rata bonus for the year of termination, and (3) continued health and welfare insurance benefits at active employee rates for 18 months post-termination. The applicable multiples are described above, see “Executive Compensation—Employment Agreements and Offer Letters.” In the “Severance” row of the table, the figure in the “Change in Control” column includes only the incremental value that would be paid to the named executive officer in the event of a qualifying termination following a change in control arising from the application of the higher multiple (i.e., the named executive officer would also receive the amount in the “Without Cause or With Good Reason” column).

For all of the NEOs, the “Benefit & Perquisite Continuation” row also includes the estimated cost of outplacement services that would be provided to the NEO ($14,000 in the case of Mr. Williamson, and $10,500 for the other NEOs).

ATKORE 2022 PROXY STATEMENT     36


(2)The effect of a termination of employment prior to a change in control on outstanding equity awards is as follows:

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Options.Options vest in full on termination due to the holder’s death or permanent disability. In addition, options granted after our IPO continue to vest due to the holder’s retirement (subject to compliance with applicable restrictive covenants). On any other termination of employment, unvested options are forfeited.

RSUs.RSUs vest in full on termination due to the holders’ death or permanent disability and continue to vest due to retirement (subject to compliance with applicable restrictive covenants). On any other termination of employment, RSUs are forfeited, except that the special retention RSUs granted to Messrs. Waltz, Schulte and Lariviere vest on a pro rata basis upon the holder’s termination without cause.

PSUs.Upon the holders’ death, permanent disability or retirement, a number of PSUs will vest based on actual performance during the entire performance period (as if the holder were employed for the full performance period),pro-rated for the period of actual employment during the performance period. (For retirement vesting to occur, the holder must be employed for at least six months of the performance period and must remain in compliance with applicable restrictive covenants.) On any other termination of employment, PSUs are forfeited. For purposes of the “Death or Disability” column, we have assumed pro rata vesting based on the target number of PSUs rather than actual performance.

The effect of a change in control on outstanding equity awards is as follows:

Options and RSUs.In the event of a change in control, outstanding RSUs and options will be converted into economically equivalent awards with (1) an equivalent or better vesting schedule and (2) accelerated vesting on a termination without cause of a constructive termination with “good reason” within two years following the change in control. If not so converted, the outstanding RSUs and options will be fully vested and cancelled for a cash payment equal to the price paid per share in the change in control (less, in the case of options, the strike prices of the options).

PSUs.In the event of a change in control, our Omnibus Incentive Plan provides that the PSUs will be converted into time-vesting RSUs that vest based on continued service over the remainder of the performance period. The number of RSUs resulting from this conversion is based on either the target number of PSUs or actual performance measured against the performance goals, and in either case prorated based on service for the elapsed portion of the performance period through date of the change in control. These RSUs may then be converted into alternative awards with the features described in the immediately preceding paragraph (i.e., accelerated vesting on a termination without cause of a constructive termination with “good reason” within two years following the change in control), and if not so converted will be fully vested and cancelled for a cash payment equal to the price paid per share in the change in control.

(3)For purposes of the “Accelerated Vesting of Equity Awards” row and the “Change in Control” column, we have assumed that (1) a change in control occurred on September 29, 2017, which is the last day of the fiscal year for which public stock prices are available, (2) PSUs were converted into RSUs based on the target number, rather than based on actual performance, and (3) the RSUs resulting from such conversion, as well as all other RSUs and all options, were fully vested and cancelled for cash at the closing stock price on that date ($19.51) (minus, in the case of options, the applicable exercise price).

Equity Compensation Plan Information

The following table contains information, as of September 30, 2017, about the amount of our common shares to be issued upon the exercise or settlement of outstanding options, RSUs and PSUs granted under our equity incentive plans.

Plan Category

  Number of
Securities to

be Issue
Upon
Exercise of
Outstanding
Options,
Warrants
and Rights
(1)
   Weighted
Average
Exercise

Price of
Outstanding
Options
   Number of
Securities
Remaining
Available for

Future
Issuance

Under Equity
Compensation
Plans
(excluding
securities
reflected in
first column)
 

Equity compensation plans approved by shareholders

   5,808,854    8.30    2,922,890 

Equity compensation plans not approved by shareholders

   —      —      —   

Total

   5,808,854    8.30    2,922,890 

(1)The figures in this column reflect 5,158,388 stock options, 466,448 RSUs and 184,018 PSUs granted to officers and directors pursuant to the Stock Incentive Plan and Omnibus Incentive Plan.

Director Compensation

For so long as the consulting agreement with CD&R, as described in “Certain Relationships and Related Transactions—Consulting Agreement,” remains in effect, no director affiliated with CD&R is compensated by the Company for any services as a director. Subject to limitations set forth in the consulting agreement, the Company reimburses its directors for reasonableout-of-pocket expenses incurred by them for attending meetings of our board of directors and committees thereof. For the period beginning with fiscal 2015 through fiscal 2017, we have appointed 6 independent outside directors.

Ournon-employee directors who are not affiliated with CD&R are paid an annual retainer fee of $75,000, which is paid on a quarterly basis as of the beginning of the Board Calendar year, which begins as of the date of the annual meeting of stockholders each year. In addition, the chairperson of the Audit Committee receives an additional annual cash retainer of $20,000, the chairperson of the Compensation Committee receives an additional annual cash retainer of $15,000 and the chairperson of the Nominating and Governance Committee receives an additional annual cash retainer of $10,000.

Messrs. James and Kershaw each received $18,750 cash retainer for their service on our board of directors during fiscal 2017, which represents one quarter of a full year’s retainer.

Beginning with the 2017 Board Calendar year, which began on the date of the 2017 Annual Meeting of Stockholders, we changed the compensation of ournon-employee directors who are not affiliated with CD&R by replacing the prior policy ofone-time grants of RSUs with an annual equity award of RSUs with a value at the time of grant equal to $85,000. RSUs will generally be subject to aone-year vesting schedule based on the director’s continued services to us.

The compensation paid to ournon-employee directors quantified in the table below reflects payments and grants made by the Company during fiscal 2017.

Name

  Fees Earned
or Paid in
Cash

($)(1)
   Stock
Awards
($)(2)
   Options
Awards
($)
   Non-Equity
Incentive Plan
Compensation
($)
   All Other
Compensation
($)
   Total
($)
 

A. Mark Zeffiro

   95,000    85,000    —      —      —      180,000 

Jeri L. Isbell

   90,000    85,000    —      —      —      175,000 

William R. VanArsdale

   75,000    85,000    —      —      —      160,000 

Scott H. Muse

   75,000    85,000    —      —      —      160,000 

Justin A. Kershaw

   18,750    85,000    —      —      —      103,750 

Wilbert W. James Jr.

   18,750    85,000    —      —      —      103,750 

(1)Fees earned for Messrs. Kershaw and James represent one quarter of the total annual fees to be paid as both were appointed to Atkore’s Board of Directors during the company’s fourth quarter of the 2017 fiscal year.
(2)Ms. Isbell and Messrs. Zeffiro, VanArsdale and Muse were each granted 3,353 RSUs at a per share value of $25.35. Messrs. Kershaw and James were each granted 4,126 RSUs at a per share value of $20.60. The RSUs will vest one day prior to the Company’s next Annual Meeting of Stockholders in 2018.

Human Resources & Compensation Committee Report


The Company’s Human Resources & Compensation Committee has reviewed the Compensation Discussion and Analysis, discussed it with management and, based on such review and discussions, has recommended to the Boardboard that the Compensation Discussion and Analysis should be included in this Proxy Statement.


William R. VanArsdale(Chair)
Jeri L. Isbell (Chairperson)

Philip W. Knisely

William R. VanArsdale

Justin A. Kershaw
A. Mark Zeffiro

This Human Resources & Compensation Committee Report is required by the SEC and, in accordance with the SEC’s rules, will not be deemed to be part of or incorporated by reference by any general statement incorporating by reference this proxy statement into any filing under the Securities Act of 1933, as amended, or under the Securities Exchange Act of 1934, as amended, except to the extent that we specifically incorporate this information by reference, and will not otherwise be deemed “soliciting material” or “filed” under either the Securities Act or the Exchange Act.

ATKORE 2022 PROXY STATEMENT     37

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Executive Compensation Tables
The following table shows information regarding the total compensation paid to the named executive officers for each of our last three completed fiscal years. The compensation reflected for each individual was for their services provided in all capacities to us. Our fiscal year 2022 ended on September 30, 2022.

Summary Compensation Table
NameYearSalary
($)
Stock
Awards
($)(1)
Option
Awards
($)(2)
Non-Equity
Incentive Plan
Compensation
($)(3)
All Other
Compensation
($)(4)
Total
($)
William E. Waltz Jr.2022919,231 2,849,894 950,018 2,659,455 32,217 7,410,815 
President & Chief Executive Officer2021823,077 2,099,778 — 2,571,250 29,320 5,523,425 
2020706,410 1,899,992 — 730,671 29,629 3,366,702 
David P. Johnson2022516,923 824,976 275,014 872,634 13,822 2,503,369 
Vice President, Chief Financial Officer & Chief Accounting Officer2021504,615 562,443 187,498 1,032,750 17,596 2,304,902 
2020485,230 487,491 162,502 272,523 70,258 1,478,004 
Daniel S. Kelly2022429,538 450,018 149,990 691,459 22,755 1,743,760 
Vice President, General Counsel & Corporate Secretary2021405,538 449,960 149,998 661,260 25,951 1,692,707 
2020372,244 374,994 125,003 199,274 21,819 1,093,334 
Mark F. Lamps2022417,462 524,964 175,005 651,476 17,433 1,786,340 
BU President, Safety & Infrastructure2021388,869 487,465 162,503 643,640 19,845 1,702,322 
2020349,231 374,994 125,003 181,803 11,990 1,043,021 
John W. Pregenzer2022417,462 562,551 187,487 741,568 20,901 1,929,969 
BU President, Electrical2021388,769 487,465 162,503 745,631 18,663 1,803,031 
2020341,539 337,500 112,498 252,546 16,101 1,060,184 
(1)The amounts reported in the Stock Awards column reflect the aggregate grant date fair value associated with awards of RSUs and PSUs to each of the NEOs, determined in accordance with FASB ASC Topic 718. The value of the PSUs awarded is subject to the achievement of certain performance criteria over a three-year performance period. Assuming the highest level of performance is achieved for the 2022 PSU awards, the maximum value of these awards at the grant date would be as follows; Mr. Waltz - $4,308,838; Mr. Johnson - $1,247,347; Mr. Kelly - $680,443; Mr. Lamps - $793,756 and Mr. Pregenzer - $850,526. For more details see "Compensation Discussion and Analysis, Long-Term Incentives" on page 32. See Note 5 "Stock Incentive Plan" to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2022 for additional detail regarding assumptions underlying the valuation of our equity awards.
(2)The amounts reported in the Option Awards column represent the aggregate grant date fair value associated with option grants to each of the NEOs, determined in accordance with FASB ASC Topic 718. See Note 5 "Stock Incentive Plan" to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2022 for additional detail regarding assumptions underlying the valuation of our equity awards. For further information on the stock option grants awarded, see "Grants of Plan-Based Awards" on page 40.
(3)Amounts reflect annual cash incentive compensation earned under the AIP for the relevant fiscal year. For more information, see “Compensation Discussion and Analysis, Annual Incentive Plan Compensation” on page 30.
(4)Amounts represent certain perquisites, executive physical, financial planning, retirement and health plan contributions and commuter travel and relocation expenses as shown in the following table    .

ATKORE 2022 PROXY STATEMENT     38

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All Other Compensation
NameYearPerquisites
($)(1)
Executive Physical ($)(2)Financial Planning Stipend ($)(3)Retirement
Plan
Contributions
($)(4)
Health
Savings Plan
Contributions
($)(5)
Other
Expense Payments
($)(6)
Total
($)
William E. Waltz Jr.20226,045 5,720 10,000 9,452 1,000 — 32,217 
20215,340 4,520 10,000 8,460 1,000 — 29,320 
20205,033 5,221 10,000 8,375 1,000 — 29,629 
David P. Johnson20223,672 — — 9,150 1,000 — 13,822 
20212,707 5,189 — 8,700 1,000 — 17,596 
20202,781 4,866 — 8,550 1,000 53,061 70,258 
Daniel S. Kelly20224,566 — 8,039 9,150 1,000 — 22,755 
20214,209 4,483 7,559 8,700 1,000 — 25,951 
20203,918 5,245 3,008 8,648 1,000 — 21,819 
Mark F. Lamps20223,456 4,827 — 9,150 — — 17,433 
20213,000 5,600 2,825 8,420 — — 19,845 
20202,386 5,681 — 3,923 — — 11,990 
John W. Pregenzer20222,574 7,125 2,500 7,702 1,000 — 20,901 
20212,400 5,692 4,200 5,371 1,000 — 18,663 
20202,303 — 5,827 6,971 1,000 — 16,101 
(1)Amounts listed include payments and benefits relating to cell phone stipends and group term life insurance coverage.
(2)Amount reflect the cost of Executive Physical through Northwestern Executive Health.
(3)Amounts reflect the cost of Executive Financial and Estate Planning; this perquisite is limited to $10,000 per year.
(4)Amounts reflect matching contributions made on behalf of each named executive officer to our tax-qualified 401(k) retirement savings plan. Amounts shown reflect matching contributions across portions of two calendar years.
(5)Amounts reflect employer provided contributions made on behalf of each named executive officer to their tax-qualified health savings account plan.
(6)Mr. Johnson's payment for fiscal year 2020 represent expenses associated with his relocation to Illinois.

ATKORE 2022 PROXY STATEMENT     39

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Grants of Plan-Based Awards in Fiscal Year 2022
The following table summarizes cash-based awards and equity awards that were granted to each of the named executive officers during fiscal year 2022:
 
Estimated Possible Payouts Under
Non-Equity Incentive Plan Awards(1)
 
Estimated Possible  Payouts  Under
Equity Incentive Plan Awards(2)
All Other
Stock
Awards:
Number
of Shares
of
Stock or
Units
(#)(3)
All Other
Option
Awards:
Number of
Securities
Underlying
Option
(#)(4)
Exercise
or Base
Price of
Option
Awards
($/
SH)(5)
Grant Date
Fair Value
of
Stock and
Option
Awards(6)
NameGrant DateThreshold ($)Target
($)
Maximum
($)
Threshold
(#)
Target
(#)
Maximum
(#)
William E. Waltz, Jr.$600,000 $1,200,000 $3,000,000 
11/16/20218,369 16,738 29,591 $1,899,930 
11/16/20218,967 $949,964 
11/16/202119,027 $105.94 $950,018 
David P. Johnson$196,875 $393,750 $984,375 
11/16/20212,423 4,845 8,566 $549,956 
11/16/20212,596 $275,020 
11/16/20215,508 $105.94 $275,014 
Daniel S. Kelly$157,500 $315,000 $787,500 
11/16/20211,322 2,643 4,673 $300,007 
11/16/20211,416 $150,011 
11/16/20213,004 $105.94 $149,990 
Mark F. Lamps$153,650 $307,300 $768,250 
11/16/20211,542 3,083 5,451 $349,951 
11/16/20211,652 $175,013 
11/16/20213,505 $105.94 $175,005 
John W. Pregenzer$153,650 $307,300 $768,250 
11/16/20211,652 3,304 5,841 $375,037 
11/16/20211,770 $187,514 
11/16/20213,755 $105.94 $187,487 
(1)Amounts in these columns represent potential annual performance bonuses that the NEOs could have earned under the AIP for fiscal year 2022. The actual amounts of the awards paid to the NEOs in respect of fiscal year 2022 are included in the Non-Equity Incentive Plan Compensation column of the Summary Compensation Table.
(2)Subject to the achievement of certain performance criteria, represents the potential number of shares that may be issued to the NEO pursuant to the grant of PSU awards made in fiscal year 2022 under the Omnibus Incentive Plan of 2020 (see “Compensation Discussion and Analysis, Long-Term Incentives” beginning on page 32).
(3)Represents the number of shares subject to RSU awards made in fiscal year 2022 under the Omnibus Incentive Plan of 2020. The RSU awards vest one-third on each of the first, second and third anniversaries of the grant date, contingent on the NEO continuing their employment with the Company through each date.
(4)Represents the number of shares subject to stock option grants made in fiscal year 2022 under the Omnibus Incentive Plan of 2020. All options granted in fiscal year 2022 to NEOs have a term of ten years from the grant date and vest one-third on each of the first, second and third anniversaries of the grant date, contingent on the NEO continuing their employment with the Company through each date.
(5)Represents the exercise price for the option awards, which was determined based on the closing market price of a share of our common stock on the date of grant.
(6)The aggregate grant date fair value of PSU, RSU and stock option awards was determined in accordance with FASB ASC Topic 718. See Note 5 "Stock Incentive Plan" to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2022 for additional detail regarding assumptions underlying the valuation of our equity awards.

Outstanding Equity Awards at 2022 Fiscal Year-End
The following table shows, for each of the named executive officers, all equity awards that were outstanding as of September 30, 2022.
ATKORE 2022 PROXY STATEMENT     40

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Options Awards(1)Stock Awards(2)
NameGrant DateNumber of
Securities
Underlying
Unexercised
Options (#)
Exercisable
Number of
Securities
Underlying
Unexercised
Options (#)
Unexorcisable
Number of
Securities
Underlying
Unexercised
Unearned
Options (#)
Option
Exercise
Price
($)
Option
Expiration
Date
Number of
Shares or
Units of
Stock that
Have Not
Vested (#)
Market
Value of
Shares or
Units of
Stock that
Have Not
Vested ($)(3)
Number
of Unearned
Shares, Units, Other
Rights That
Have Not
Vested
(#)
Market
Value of
Unearned
Shares, Units
Other Rights
That Have
Not
Vested ($)(4)
William E. Waltz, Jr.5/22/2014109,600 — — $9.125/22/2024
11/30/201614,564 — — $21.4511/30/2026
11/28/201718,007 — — $20.0111/28/2027
10/1/2018142,180 94,787 — $25.9110/1/2028
11/16/2021— 19,027 — $105.9411/16/2031
11/21/20194,252 $330,848
11/17/202011,745 $913,878
11/16/20218,967 $697,722
11/17/202087,801 $6,831,796
11/16/202129,591 $2,302,476
David P. Johnson11/27/201814,884 — — $17.9011/27/2028
11/21/20197,710 3,856 — $37.2411/21/2029
11/17/20204,643 9,287 — $29.8011/17/2030
11/16/2021— 5,508 — $105.9411/16/2031
11/21/20191,455 $113,214
11/17/20204,195 $326,413
11/16/20212,596 $201,995
11/17/202020,905 $1,626,618
11/16/20218,566 $666,520
Daniel S. Kelly9/9/201388 — — $7.309/9/2023
5/22/201424,500 — — $9.125/22/2024
11/30/20168,484 — — $21.4511/30/2026
11/28/201710,504 — — $20.0111/28/2027
11/27/201813,393 — — $17.9011/27/2028
11/21/20195,931 2,966 — $37.2411/21/2029
11/17/20203,714 7,430 — $29.8011/17/2030
11/16/2021— 3,004 — $105.9411/16/2031
11/21/20191,119 $87,069
11/17/20203,636 $261,130
11/16/20211,416 $110,179
11/17/202016,724 $1,301,294
11/16/20214,673 $363,606
Mark F. Lamps11/27/20182,480 — — $17.9011/27/2028
11/21/20195,931 2,966 — $37.2411/21/2029
11/17/20204,024 8,049 — $29.8011/17/2030
11/16/2021— 3,505 — $105.9411/16/2031
11/21/20191,119 $87,069
11/17/20203,636 $282,917
11/16/20211,652 $128,542
11/17/202018,118 $1,409,762
11/16/20215,451 $424,142
John W. Pregenzer11/27/20186,548 — — $17.9011/27/2028
11/21/20195,338 2,669 — $37.2411/21/2029
11/17/20204,024 8,049 — $29.8011/17/2030
11/16/2021— 3,755 — $105.9411/16/2021
11/21/20191,007 $78,355
11/17/20203,636 $282,917
11/16/20211,770 $137,724
11/17/202018,118 $1,409,762
11/16/20215,841 $454,488

ATKORE 2022 PROXY STATEMENT     41

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(1)Stock option awards granted prior to November 30, 2016 vest over a period of five years with one-fifth becoming exercisable on each anniversary of the grant date. Stock option awards granted after November 29, 2016 vest over a period of three years with one-third becoming exercisable on each anniversary of the grant date. Stock options granted to Mr. Waltz on October 1, 2018 vest over a period of five years, with one-fifth becoming exercisable on each anniversary of the grant date.
(2)In general, annual RSU grants vest over a period of three years with one-third becoming exercisable on each anniversary of the grant date. PSUs vest at the end of a three-year performance period.
(3)RSU market value is determined by multiplying the total number of shares awarded that have not vested times $77.81, the closing price of a share of our common stock on the NYSE on September 30, 2022.
(4)PSU market value is determined by multiplying the total number of unvested outstanding shares based on maximum performance levels as of September 30, 2022 times $77.81, the closing price of a share of our common stock on the NYSE on September 30, 2022.

Option Exercises and Stock Vested in Fiscal Year 2022
The following table shows, for each of the named executive officers, stock options exercised and stock awards vesting that were outstanding as of September 30, 2022.

Options Awards(1)Stock Awards(2)
NameNumber of
Shares Acquired on
Exercise
(#)
Option
Exercise
Price
($)
Number of
Shares
Acquired on
Vesting
(#)
Value
Realized on
Vesting
($)
William E. Waltz, Jr.— $— 80,475 $6,775,262 
David P. Johnson— $— 20,119 $1,732,728 
Daniel S. Kelly— $— 15,845 $1,371,716 
Mark F. Lamps— $— 17,227 $1,504,545 
John W. Pregenzer— $— 14,219 $1,229,279 
(1)There were no stock options exercised by our NEOs in fiscal year 2022.
(2)Stock awards are in the form of RSUs and PSUs vested during fiscal year 2022. RSU value realized upon vesting is prior to any tax withholding requirements. PSU value realized is an estimated value based on the estimated performance as of September 30, 2022 and the closing price of Atkore common stock on September 30, 2022. PSU performance is not finalized until board of director approval at our November board meeting.

Employment Agreements and Offer Letters
None of our named executive officers is currently a party to an employment agreement, an offer letter or a severance agreement that governs the terms of their post-termination compensation. All of our named executive officers are covered under the severance policy.

In July 2017, we adopted a Severance and Retention Policy for Senior Management for the benefit of our named executive officers and certain other executive officers of the Company. Participation in the severance policy is voluntary, and if a participant who is subject to an employment agreement or offer letter elects to be covered by the severance policy, that employment agreement or offer letter would be superseded by the severance policy. To date, all of our named executive officers have elected to be covered under the policy.

Under the Policy, a Participant is entitled to receive severance payments and termination benefits upon a future termination of the Participant’s employment by the Company without “cause” or by the Participant with “good reason” (each, a “qualifying termination”). These payments and termination benefits include: 

a severance payment equal to the sum of (x) the Participant’s then-current base salary times a “severance multiple” (described below) plus (y) the average of the Participant’s three most recent annual bonuses times the severance multiple;

a pro-rated annual bonus payment for the fiscal year in which the termination occurs, based on actual performance of Company metrics and target performance of individual metrics, and payable in a lump sum on the date of payment of annual bonuses generally; and

ATKORE 2022 PROXY STATEMENT     42

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to the extent the Participant elects COBRA continuation coverage, the provision of such coverage at active-employee rates for a period equal to the lesser of 18 months or the number of months (of severance) to which the Participant would be entitled after applying the severance multiple.

The severance multiples under the severance policy depend on whether the qualifying termination occurs before or after a change in control as follows:
ParticipantIf the qualifying termination
occurs prior to a change in control:
If the qualifying termination occurs
within 24 months following a change in control:
CEO2.0 2.5 
Other NEOs1.0 1.5 

The severance payment will be paid in a number of monthly installments equal to the number of months that comprise the severance multiple (e.g., if the severance multiple is 1, the number of monthly installments would be 12), except that, if the termination occurs after a change in control, the severance payment will be paid in a lump sum to the maximum extent practicable under applicable law. If any payments to a participant under the severance policy trigger "golden parachute" excise taxes under Section 4999 of the Internal Revenue Code, the payments would be reduced if the reduction is better for the participant on an after-tax basis, and none of our employees is entitled to be made whole for these taxes under any circumstances.

The severance policy includes customary restrictive covenants that apply for a period based on the applicable severance multiple (and so determined whether or not the termination is a qualifying termination). In order to receive the severance payments and termination benefits under the severance policy, the participant must execute a release of claims and comply with the applicable restrictive covenants. See "Potential Payments upon Termination or Change in Control" below for more information on severance payments and termination benefits due to NEOs upon a termination of employment.

Pension Benefits and Non-Qualified Deferred Compensation
Our named executive officers do not currently participate in any tax-qualified or non-qualified defined benefit pension plans, and we do not currently sponsor any non-tax qualified deferred compensation plans. Our named executive officers do participate in our tax-qualified 401(k) retirement savings plan, under which we match the contributions of each of our employees, including our named executive officers, at a rate of 50% of the first 6% contributed by each employee. Employees and named executive officers are immediately vested in the matching contributions. Matching contribution amounts can be found in the “All Other Compensation” table under the heading “Retirement Plan Contributions.”

Potential Payments upon Termination or Change in Control
The following table summarizes the severance benefits that would have been payable to each of the named executive officers upon termination of their employment or the occurrence of a change in control, assuming that (1) the triggering event or events occurred on September 30, 2022, (2) payment is made to the relevant individual under our severance policy described above and (3) for equity awards, the relevant share price was the closing price of our common stock on September 30, 2022, which is the last day of fiscal year 2022 for which public stock prices are available ($77.81). The specific benefits that would have been payable are further described in the footnotes following the table. For purposes of this table, “retirement” is deemed to occur on a voluntary termination under the "Rule of 65," after an individual’s age and years of service equal or exceed 65 (and subject to a six month advance notice requirement). Currently, Messrs. Waltz and Kelly are the only named executive officers who are eligible for retirement.
ATKORE 2022 PROXY STATEMENT     43

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Name / Form of CompensationQualifying Termination Change in
Control
($)
With
Cause
($)
Without
Cause
or With
Good Reason
($)
Resignation
($)
Death or
Disability
($)
Retirement
($)
William E. Waltz, Jr.(1)
Severance10,127,268 — 8,633,705 — 2,659,455 — 
Benefit & Perquisite Continuation37,897 — 37,897 — — — 
Vesting of Equity Awards(2)(3)32,765,363 — — — 15,996,165 15,996,165 
David P. Johnson(1)
Severance2,749,088 — 2,123,603 — 872,634 — 
Benefit & Perquisite Continuation25,890 — 20,760 — — — 
Vesting of Equity Awards(2)(3)4,964,293 — — — 3,537,067 — 
Daniel S. Kelly(1)
Severance2,142,456 — 1,658,790 — 691,459 — 
Benefit & Perquisite Continuation36,516 — 27,844 — — — 
Vesting of Equity Awards(2)(3)6,596,027 — — — 2,600,323 2,600,323 
Mark F. Lamps(1)
Severance2,048,435 — 1,582,782 — 651,476 — 
Benefit & Perquisite Continuation24,483 — 19,822 — — — 
Vesting of Equity Awards(2)(3)3,421,585 — — — 2,839,195 — 
John W. Pregenzer(1)
Severance2,269,941 — 1,760,483 — 741,568 — 
Benefit & Perquisite Continuation22,979 — 18,819 — — — 
Vesting of Equity Awards(2)(3)3,660,005 — — — 2,857,959 — 
(1)Under the terms of our severance policy, if the employment of a named executive officer is terminated without “cause” or for “good reason,” he is eligible to receive (1) a multiple of his base salary and prior years’ bonuses, (2) a pro rata bonus for the year of termination, and (3) continued health and welfare insurance benefits at active employee rates for 18 months post-termination. The applicable multiples are described above, see “Employment Agreements and Offer Letters.” In the “Severance” row of the table, the amount in the “Change in Control” column includes only the incremental value that would be paid to the named executive officer in the event of a qualifying termination following a change in control arising from the application of the higher multiple (i.e., the named executive officer would also receive the amount in the “Without Cause or With Good Reason” column). For all of the NEOs (other than Mr. Waltz), the “Benefit & Perquisite Continuation” row also includes the estimated $10,500 cost of outplacement services that would be provided to the NEO.
(2)The effect of a termination of employment prior to a change in control on outstanding equity awards is as follows:
Options. Options vest in full on termination due to the holder’s death or permanent disability. In addition, options granted after our IPO continue to vest due to the holder’s retirement (subject to compliance with applicable restrictive covenants). On any other termination of employment, unvested options are forfeited.
RSUs. RSUs vest in full on termination due to the holders’ death or permanent disability and continue to vest due to retirement (subject to compliance with applicable restrictive covenants). On any other termination of employment, RSUs are forfeited.
PSUs. Upon the holders’ death, permanent disability or retirement, a number of PSUs will vest based on actual performance during the entire performance period (as if the holder were employed for the full performance period), pro-rated for the period of actual employment during the performance period. (For retirement vesting to occur, the holder must be employed for at least six months of the performance period and must remain in compliance with applicable restrictive covenants.) On any other termination of employment, PSUs are forfeited. For purposes of the “Death or Disability” and "Retirement" columns, we have assumed pro rata vesting based on the target number of PSUs rather than actual performance.
The effect of a change in control on outstanding equity awards is as follows:
Options and RSUs. In the event of a change in control, outstanding RSUs and options will be converted into economically equivalent awards with (1) an equivalent or better vesting schedule and (2) accelerated vesting on a termination without cause or a constructive termination with “good reason” within two years following the change in control. If not so converted, the outstanding RSUs and options will be fully vested and canceled for a cash payment equal to the price paid per share in the change in control (less, in the case of options, the strike prices of the options).
PSUs. In the event of a change in control, our Omnibus Incentive Plan provides that the PSUs will be converted into time-vesting RSUs that vest based on continued service over the remainder of the performance period. The number of RSUs resulting from this conversion is based on either the target number of PSUs or actual performance measured against the performance goals, and in either case prorated based on service for the elapsed portion of the performance period
ATKORE 2022 PROXY STATEMENT     44

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through date of the change in control. These RSUs may then be converted into alternative awards with the features described in the immediately preceding paragraph (i.e., accelerated vesting on a termination without cause or a constructive termination with “good reason” within two years following the change in control), and if not so converted will be fully vested and canceled for a cash payment equal to the price paid per share in the change in control.
(3)For purposes of the “Vesting of Equity Awards” row and the “Change in Control” column, we have assumed that (1) a change in control occurred on September 30, 2022, which is the last day of the fiscal year for which public stock prices are available, (2) PSUs were converted into RSUs based on the target number, rather than based on actual performance, and (3) the RSUs resulting from such conversion, as well as all other RSUs and all options, were fully vested and canceled for cash at the closing stock price on that date $77.81 (minus, in the case of options, the applicable exercise price).
ATKORE 2022 PROXY STATEMENT     45

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CEO Pay Ratio
We are providing the following information about the relationship of the annual total compensation of our employees and the annual total compensation of our President and CEO as required by Item 402(u) of Regulation S-K. We identified our median employee using our global population of approximately 4,556 regular and temporary employees, and Mr. Waltz as our CEO, in each case as of June 30, 2022 in accordance with applicable SEC rules. In compliance with the "de minimis" exemption of Item 402(u), we excluded all employees in four countries totaling 187 employees (approximately 4.1% of our total workforce of 4,556. Employees in the following countries were excluded:
CountryHeadcount
Canada80
China9
New Zealand68
Russia30
As a result, our pay ratio includes 4,369 of our employees in over five countries. IRS Form W-2 or W-2 equivalent earnings is our consistently applied compensation measure used to identify the median employee. This earnings definition provides an accurate depiction of total earnings for the purpose of identifying our median employee. W-2 equivalent earnings for employees outside the United States were converted to United States Dollars by applying the applicable exchange rates in effect on October 1, 2021 which is the beginning of our 2022 fiscal year. No cost of living adjustments were applied in our methodology. Our median employee’s total compensation of $47,348 was calculated in the same manner as we calculated total compensation for each of the named executive officers in the Summary Compensation Table. Mr. Waltz’s total compensation for purposes of this disclosure is $7,410,815.
Accordingly, our CEO to Employee Pay Ratio is 157:1.


DELINQUENT SECTION 16(a) REPORTS
Section 16(a) of the Exchange Act requires the Company’s directors and executive officers, and persons who own more than ten percent of the Company’s common stock, to file with the SEC reports of ownership and reports of changes in ownership of common stock and other equity securities of the Company and to furnish such reports to the Company.

To the Company’s knowledge, based solely on a review of the copies of such reports furnished to the Company and written representations that no other reports were required, during the fiscal year ended September 30, 2022, all Section 16(a) filing requirements applicable to directors, executive officers and greater than ten percent beneficial owners were complied with by such persons.

However, the Company has determined that the following reports during fiscal year 2023, calendar year 2022 were delinquent due to an administrative error:

• One Form 4 report for each of William E. Waltz, Jr., David Paul Johnson, Daniel S. Kelly, Mark F. Lamps, John W. Pregenzer and LeAngela W. Lowe in connection with a grant of RSUs and a grant of stock options on November 11, 2022. These forms were filed three days late on November 18, 2022.
ATKORE 2022 PROXY STATEMENT     46

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Beneficial Ownership

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following table sets forth information as of December 8, 2017November 30, 2022 with respect to the ownership of our common stock by:


each person known to own beneficially more than five percent of our common stock;

each of our directors;

each of our named executive officers; and

all of our current executive officers and directors as a group.


The amounts and percentages of shares beneficially owned are reported on the basis of regulations of the SEC governing the determination of beneficial ownership of securities. Under SEC rules, a person is deemed to be a “beneficial owner” of a security if that person has or shares voting power or investment power, which includes the power to dispose of or to direct the disposition of such security. A person is also deemed to be a beneficial owner of any securities of which that person has a right to acquire beneficial ownership within 60 days. Securities that can be so acquired are deemed to be outstanding for purposes of computing such person’s ownership percentage, but not for purposes of computing any other person’s percentage. Under these rules, more than one person may be deemed to be a beneficial owner of the same securities, and a person may be deemed to be a beneficial owner of securities as to which such person has no economic interest.


Percentage computations are based on approximately 63,431,47239,865,270 shares of our common stock outstanding as of December 8, 2017.

November 30, 2022.


Except as otherwise indicated in these footnotes, each of the beneficial owners listed has, to our knowledge, sole voting and investment power with respect to the indicated shares of common stock. Unless otherwise set forth in the footnotes to the table, the address for each listed stockholder is c/o Atkore International Group Inc., 16100 South Lathrop Avenue, Harvey, Illinois 60426.

Name of Beneficial Owner

  Number of Shares
Beneficially Owned
   Percent
(%)
 

CD&R Allied Holdings, L.P.(1)

   30,460,377    48.0 

Levin Capital Strategies, L.P.(2)

   4,035,007    6.4 

Philip W. Knisely(3)

   —      —   

John P. Williamson(4)

   1,096,710    1.7 

James A. Mallak(4)

   160,514    * 

William E. Waltz(4)

   228,794    * 

Michael J. Schulte(4)

   269,346    * 

Peter J. Lariviere (4)

   82,034    * 

James G. Berges(1)(3)

   30,460,377    48.0 

Jeri L. Isbell(5)

   10,965    * 

Scott H. Muse(5)

   10,965    * 

Nathan K. Sleeper(1)(3)

   30,460,377    48.0 

William VanArsdale(5)

   10,965    * 

A. Mark Zeffiro(5)

   14,313    * 

Jonathan L. Zrebiec(1)(3)

   30,460,377    48.0 

Justin A. Kershaw(5)

   4,126    * 

Wilbert W. James(5)

   4,126    * 

All current directors and executive officers as a group (15 persons)(1)(4)(5)

   32,353,235    51.0 

Name of Beneficial OwnerNumber of Shares
Beneficially Owned
Percent
(%)
Vanguard Group Inc.(1)
5,102,09811.01%
BlackRock, Inc.(2)
3,428,5847.4%
FMR LLC(3)
2,821,3576.086%
William E. Waltz Jr.(4) (5)
390,819*
David P. Johnson(4)
70,534*
Mark F. Lamps(4)
41,639*
LeAngela W. Lowe(4)
30,012*
Daniel S. Kelly(4)
93,974*
John W. Pregenzer(4)
49,448*
Michael V. Schrock(6)
15,985*
Jeri L. Isbell(6)
26,695*
Justin A. Kershaw(6)
19,856*
Wilbert W. James Jr.(6)
19,856*
Betty R. Johnson(6)
14,009*
Scott H. Muse(6)
26,695*
William R. VanArsdale(6)
23,342*
A. Mark Zeffiro(7)
20,043*
All current directors and executive officers as a group (14 persons)(4)(5)
842,9072.11%
*Less than one percent.

(1)CD&R Associates VIII, Ltd., or “CD&R Holdings GP,” as the general partner of CD&R Investor, CD&R Associates VIII, L.P., as the sole shareholder of CD&R Holdings GP, and CD&R Investment Associates VIII, Ltd., as the general partner of CD&R Associates VIII, L.P., may each be deemed to beneficially own the shares of the Company’s common stock. Each of CD&R Holdings GP, CD&R Associates VIII, L.P. and CD&R Investment Associates VIII, Ltd. expressly disclaims beneficial ownership of the shares of the Company’s common stock in which the CD&R Investor has beneficial ownership. CD&R Investment Associates VIII, Ltd. is managed by a(1)two-person board of directors. Donald J. Gogel and Kevin J. Conway, as the directors of CD&R Investment Associates VIII, Ltd., may be deemed to share beneficial ownership of the shares of the Company’s common stock in which the CD&R Investor has beneficial ownership. Such persons expressly disclaim such beneficial ownership. Investment and voting decisions with respect to the shares of the Company’s common stock held by the CD&R Investor are made by an investment committee of limited partners of CD&R Associates VIII, L.P., the “Investment Committee.” The CD&R investment professionals who have effective voting control of the Investment Committee are Michael G. Babiarz, Vindi Banga, James G. Berges, John C. Compton, Kevin J. Conway, Russell P. Fradin, Thomas C. Franco, Kenneth A. Giuriceo, Donald J. Gogel, Jillian Griffiths, Marco Herbst, Sarah Kim, John Krenicki, Jr., David A. Novak, Paul S. Pressler, Ravi Sachdev, Christian Rochat, Richard J. Schnall, Stephen W. Shapiro, Nathan K. Sleeper, Derek L. Strum, Sonja Terraneo, David H. Wasserman and Jonathan L. Zrebiec. Messrs. Berges, Sleeper and Zrebiec are directors of Atkore. All members of the Investment Committee expressly disclaim beneficial ownership of the shares shown as beneficially owned by the CD&R Investor, Mr. Berges, Mr. Sleeper or Mr. Zrebiec. The address for each of the CD&R Investor, CD&R Holdings GP, CD&R Associates VIII, L.P., and CD&R Investment Associates VIII, Ltd. is c/o Maples Corporate Services Limited, PO Box 309, Ugland House, South Church Street, George Town, Grand Cayman,KY1-1104, Cayman Islands.
(2)According to the Schedule 13G filed by Levin Capital Strategies, L.P., as of February 24, 2017, Levin Capital Strategies, L.P. beneficially owned 4,035,007 shares of our common stock. Levin Capital Strategies, L.P. reported shared voting power with respect to 3,326,017 shares and shared dispositive power with respect to 4,035,007 shares. The address for Levin Capital Strategies, L.P. is 595 Madison Avenue, 17thFloor, New York, NY 10022.
(3)Messrs. Knisely, Berges, Sleeper and Zrebiec are directors of Atkore. Messrs. Berges, Sleeper and Zrebiec are partners of CD&R and Mr. Knisely is an operating advisor to CD&R funds. They expressly disclaim beneficial ownership of the shares held by the CD&R Investor. The address for Messrs. Knisely, Berges, Sleeper and Zrebiec is c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York 10152.
(4)Includes shares which the current executive officers have the right to acquire prior to February 6, 2018 through the exercise of stock options or vesting of RSUs: Mr. Williamson, 973,710, Mr. Mallak, 216,399, Mr. Waltz, 215,094, Mr. Schulte, 225,506, and Mr. Lariviere, 64,394. All current executive officers as a group have the right to acquire 1,912,181 shares prior to December 8, 2017 through the exercise of stock options or vesting of RSUs.
(5)Includes RSUs granted to the directors for board service that were immediately vested upon grant: Ms. Isbell, 10,965 RSUs, Mr. Muse, 10,965 RSUs, Mr. VanArsdale, 10,965 RSUs, Mr. Zeffiro, 14,313 RSUs, Mr. Kershaw, 4,126 RSUs and Mr. James, 4,126 RSUs.

SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

Section 16(a) of the Exchange Act requires the Company’s directors and executive officers, and persons who own more than ten percent of the Company’s common stock, to file with the SEC reports of ownership and reports of changes in ownership of common stock and other equity securities of the Company and to furnish such reports to the Company. To the Company’s knowledge, based solely on a reviewSchedule 13G/A filed by Vanguard Group Inc. ("Vanguard"), as of the copies of such reports furnished to the Company and written representations that no other reports were required, during the fiscal year ended September 30, 2017, all Section 16(a) filing requirements applicable to directors, executive officers and greater than ten percent beneficial owners were complied with by such persons, except that, due to an administrative error, the Company did not timely file Form 4s reflecting the automatic grant of RSUs to Messrs. Muse, VanArsdale and Zeffiro and Ms. Isbell on March 7, 2017, which was the date of the 2017 annual meeting. These Form 4s were filed with the SEC on May 4, 2017.

CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS

Policies and Procedures for Related Person Transactions

Our board of directors has approved policies and procedures with respect to the review and approval of certain transactions between us and a “Related Person,” or a “Related Person Transaction,” which we refer to as our “Related Person Transaction Policy.” Pursuant to the terms of the Related Person Transaction Policy, our board of directors, acting through our Audit Committee, must review and decide whether to approve or ratify any Related Person Transaction. Any Related Person Transaction is required to be reported to our legal department, which will then determine whether it should be submitted to our Audit Committee for consideration. The Audit Committee must then review and decide whether to approve any Related Person Transaction.

For the purposes of the Related Person Transaction Policy, a “Related Person Transaction” is a transaction, arrangement or relationship (or any series of similar transactions, arrangements or relationships) in which we (including any of our subsidiaries) were, are or will be a participant and the amount involved exceeds $120,000, and in which any Related Person had, has or will have a direct or indirect interest.

A “Related Person,” as defined in the Related Person Transaction Policy, means any person who is, or at any time since the beginning of our last fiscal year was, a director or executive officer of Atkore or a nominee to become a director of Atkore; any person who is known to be the beneficial owner of more than five percent of our common stock; any immediate family member of any of the foregoing persons, including any child, stepchild, parent, stepparent, spouse, sibling,mother-in-law,father-in-law,son-in-law,daughter-in-law,brother-in-law, orsister-in-law of the director, executive officer, nominee or more than five percent beneficial owner, and any person (other than a tenant or employee) sharing the household of such director, executive officer, nominee or more than five percent beneficial owner; and any firm, corporation or other entity in which any of the foregoing persons is a general partner or, for other ownership interests, a limited partner or other owner in which such person has a beneficial ownership interest of ten percent or more.

Stockholders Agreement

In connection with our IPO, we entered into the Stockholders Agreement with the CD&R Investor. The Stockholders Agreement grants the CD&R Investor the right to designate for nomination for election to our board of directors a number of CD&R Designees equal to:

at least a majority of the total number of directors comprising our board of directors at such time as long as the CD&R InvestorFebruary 9, 2022, Vanguard beneficially owns at least 50% of the outstanding shares of our common stock;

at least 40% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 40% but less than 50% of the outstanding shares of our common stock;

at least 30% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 30% but less than 40% of the outstanding shares of our common stock;

at least 20% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 20% but less than 30% of the outstanding shares of our common stock; and

at least 5% of the total number of directors comprising our board of directors at such time as long as the CD&R Investor beneficially owns at least 5% but less than 20% of the outstanding shares of our common stock.

For purposes of calculating the number of CD&R Designees that the CD&R Investor is entitled to nominate pursuant to the formula outlined above, any fractional amounts would be rounded up to the nearest whole number

and the calculation would be made on a pro forma basis after taking into account any increase in the size of our board of directors.

With respect to any vacancy of a CD&R designated director, the CD&R Investor will have the right to designate a new director for election by a majority of the remaining directors then in office. The Stockholders Agreement provides that a CD&R Designee will serve as the Chairman of our board of directors as long as the CD&R Investor beneficially owns at least 25% of the outstandingowned5,102,098 shares of our common stock. Vanguard reported sole voting power with respect to 0 shares, shared voting power with respect to 87,709 shares, sole dispositive power with respect to 4,973,185 shares and shared dispositive power with respect to 128,913 shares. The Stockholders Agreement also grantsaddress for Vanguard Group Inc. is 100 Vanguard Boulevard, Malvern, Pennsylvania 19355.

ATKORE 2022 PROXY STATEMENT     47

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(2)According to the CD&R Investor certain other rights, including specified informationSchedule 13G/A filed by BlackRock, Inc. ("BlackRock"), as of February 3, 2022, BlackRock beneficially owned 3,428,584 shares of our common stock. BlackRock reported sole voting power with respect to 3,330,701 shares and access rights.

Registration Rights Agreement

In connectionsole dispositive power with our IPO, we entered into a registration rights agreement with the CD&R Investor.respect to 3,428,584 shares. The registration rights agreement grantsaddress for BlackRock, Inc. is 55 East 52nd Street, New York, New York 10055.

(3)According to the CD&R InvestorSchedule 13G/A filed by FMR LLC ("FMR"), as of February 8, 2022 FMR beneficially owned 2,821,357 shares of our common stock. FMR reported sole voting power with respect to 659,322 shares and sole dispositive power with respect to 2,821,357 shares. The address for FMR LLC is 245 Summer Street, Boston, Massachusetts 02210.
(4)Includes shares which the current executive officers had the right to cause us, at our expense,acquire prior to use our reasonable best effortsNovember 30, 2022 through the exercise of stock options or vesting of RSUs: Mr. Waltz, 338,086; Mr. Johnson, 37,569; Mr. Lamps, 20,593; Mrs. Lowe, 4,428; Mr. Kelly, 74,296 and Mr. Pregenzer, 23,854. All current executive officers as a group had the right to registeracquire 498,826 shares prior to November 30, 2022 through the exercise of stock options or vesting of RSUs and PSUs.
(5)Further to footnote (5) Mr. Waltz's full direct and indirect holding of Atkore stock is shown in the table below:

CEO Outstanding Aggregate Equity Holdings as of 11/30/2022
Awards
Exercisable Vested Stock OptionsUnvestedTotal
Total Outstanding Equity338,086246,240584,326
CEO Stock Ownership Summary as of 11/30/2022
Awards
NotesVestedUnvestedTotal
Shares Owned *173,817173,817
Shares owned includes 121,084 shares held in a separate trust. Beneficially owned shares of 390,819 is the sum of exercisable vested stock options equal to 338,086 plus the vested shares owned equal to 173,817 minus the shares held in the separate trust equal to 121,084. Mr. Waltz disclaims beneficial ownership in the shares held by the CD&R Investor for public resale, subject to specified limitations. If we register any of our common stock, the CD&R Investor and the other partiesfamily trust.
(6)     Includes RSUs granted to the registration rights agreement also havedirectors for board service that will vest at the right to require us to use reasonable best efforts to include sharesearlier of our common stock held by them, subject to specified limitations, including as determined by the underwriters. The registration rights agreement provides for us to indemnify the CD&R Investor and its affiliates in connection with the registration of our common stock.

Consulting Agreement

In connection with the closing of the Transactions, we, AIH and AII entered into a separate consulting agreement with CD&R. As discussed below, the consulting agreement with CD&R was terminated on June 15, 2016 in connection with our IPO.

Pursuant to the consulting agreement with CD&R, CD&R provided us with financial, investment banking, management, advisory and other services. The annual consulting fee payable to CD&R under the consulting agreement was $3.5 million, plusout-of-pocket expenses. We were also required to pay CD&R a fee equal to 1.0% of the transaction value of certain financing and acquisition or disposition transactions completed by us, plusout-of-pocket expenses, or such lesser amount as CD&R and we may agree.

In connection with our IPO in June 2016, we entered into a termination agreement with CD&R, pursuant to which the parties agreed to terminate the ongoing consulting fee described above. Pursuant to the termination agreement, we paid CD&R a termination fee of $12.8 million. Thereafter, the annual consulting fee terminated. No transaction fee was payable to CD&R under the consulting agreement as a result of the IPO.

Indemnification Agreement

In connection with the closing of the Transactions, we, AIH and AII entered into separate indemnification agreements (the “Indemnification Agreement”) with (i) CD&R and (ii) the CD&R Investor (collectively, the “CD&R Affiliates”).

Under the Indemnification Agreement, we, AIH and AII, subject to specified limitations, jointly and severally agreed to indemnify the CD&R Affiliates against specified liabilities arising out of performance of the consulting agreement and certain other claims and liabilities.

Our indemnification obligations under the Indemnification Agreement are primary to any similar rights to which any indemnitee may be entitled under any other agreement or document.

We have entered into indemnification agreements with our directors. The indemnification agreements provide the directors with contractual rights to indemnification and expense advancement rights. See

“Description of Capital Stock—Limitations on Liability and Indemnification” in the prospectus we filed with the SEC on February 17, 2017 for additional information.

Transactions with Other Related Parties

During fiscal 2017, an investment fund affiliated with CD&R acquired a controlling interest in one of the Company’s customers, making such customer an affiliate of CD&R. In fiscal 2017, the Company sold an aggregate of $8.3 million of products to this affiliate. Management believes that sales to these customers were conducted on anarm’s-length basis at prices that an unrelated third party would pay.

REPORT OF THE AUDIT COMMITTEE

The principal purpose of the Audit Committee is to assist the board of directors in its general oversight of our accounting practices, system of internal controls, audit processes and financial reporting processes. The Audit Committee is responsible for appointing and retaining our independent auditor and approving the audit andnon-audit services to be provided by the independent auditor. The Audit Committee’s function is more fully described in its charter.

Our management is responsible for preparing our financial statements and ensuring they are complete and accurate and prepared in accordance with generally accepted accounting principles. Deloitte & Touche LLP, our independent registered public accounting firm for fiscal 2017, was responsible for performing an independent audit of our consolidated financial statements and expressing an opinion on the conformity of those financial statements with generally accepted accounting principles.

The Audit Committee has reviewed and discussed our audited financial statements for the fiscal1 year ended September 30, 2017 with management and with Deloitte & Touche LLP. These audited financial statements are included in our Annual Report on Form10-K for the fiscal year ended September 30, 2017.

The Audit Committee has also discussed with Deloitte & Touche LLP the matters required to be discussed by Auditing Standard No. 16 adopted by the Public Company Accounting Oversight Board (United States) regarding “Communications with Audit Committees.”

The Audit Committee also has received and reviewed the written disclosures and the letter from Deloitte & Touche LLP required by applicable requirements of the Public Company Accounting Oversight Board regarding Deloitte & Touche LLP’s communications with the Audit Committee concerning independence, and has discussed with Deloitte and Touche LLP its independence from us.

Based on the review and discussions described above, the Audit Committee recommended to the board of directors that the audited financial statements be included in the Annual Report on Form10-K for the fiscal year ended September 30, 2017 for filing with the SEC.

The Audit Committee

A. Mark Zeffiro (Chairperson)

Jeri L. Isbell

Scott H. Muse

This Report of the Audit Committee is required by the SEC and, in accordance with the SEC’s rules, will not be deemed to be part of or incorporated by reference by any general statement incorporating by reference this proxy statement into any filing under the Securities Act of 1933, as amended, or under the Securities Exchange Act of 1934, as amended, except to the extent that we specifically incorporate this information by reference, and will not otherwise be deemed “soliciting material” or “filed” under either the Securities Act or the Exchange Act.

PROPOSAL 1: ELECTION OF DIRECTORS

The following individuals, alldate of whom are currently serving on our board of directors, are nominated for election this year as Class II directors:

James G. Berges

Jeri L. Isbell

Wilbert W. James Jr.

Jonathan L. Zrebiec

If elected, each of these individuals will serve as a Class II director until the 2021 Annual Meeting next following the date of Stockholdersgrant: Mr. Schrock, 1,491 RSUs, Ms. Isbell, 1,491 RSUs, Mr. Kershaw, 1,491 RSUs, Mr. James, 1,491 RSUs, Ms. Johnson, 1,491 RSUs, Mr. Muse, 1,491 RSUs, Mr. VanArsdale, 1,491 RSUs, and until her or his successor has been elected and qualified, or until her or his earlier death, resignation or removal. In the event that any nominee for any reason is unable to serve, or for good cause will not serve, the proxies will be voted for such substitute nominee as our board of directors may determine. We are not aware of any nominee who will be unable to serve, or for good cause will not serve, as a Class II director.

The relevant experiences, qualifications, attributes or skills of each nominee that led our board of directors to recommend the above persons as a nominee for director are described above in the section entitled “The Board of Directors and Corporate Governance.”

OUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE “FOR” THE ELECTION OF EACH OF THE CLASS II NOMINEES LISTED ABOVE.

Mr. Zeffiro, 1,491 RSUs.

ATKORE 2022 PROXY STATEMENT     48

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PROPOSAL 2: EXECUTIVE COMPENSATION

ADVISORY VOTE TO APPROVE EXECUTIVE COMPENSATION

As a result of the Dodd-Frank Act, and in accordance with Section 14A of the Exchange Act, the Company’s stockholders are entitled to approve, on an advisory basis, the compensation of our named executive officers. Thisnon-binding advisory vote, commonly known as a “Say on Pay” vote, gives our stockholders the opportunity to express their views on our named executive officers’ compensation. This vote is not intended to address any specific item of compensation, but rather the overall compensation of our named executive officers and the philosophy, policies and practices described in this proxy statement. At the Company’s annual meeting of stockholders on March 7, 2017, holders of a majority in aggregate principal amount of shares entitled to vote considered and approved a proposal that the Company put to vote a Say on Pay proposal each year.


As described in the “Compensation Discussion and Analysis” section of this proxy statement (the “CD&A”), the Human Resources & Compensation Committee is tasked with the implementation of our executive compensation philosophy, and the core of that philosophy has been and continues to be to pay our executives based on our performance. In particular, the Human Resources & Compensation Committee strives to (i) attract and retain highly motivated, qualified and experienced executives, (ii) focus the attention of the named executive officers on the strategic, operational and financial performance of the Company, and (iii) encourage the named executive officers to meet long-term performance objectives and increase stockholder value. To do so, the Human Resources & Compensation Committee uses a combination of short- and long-term incentive compensation to motivate and reward executives who have the ability to significantly influence our long-term financial success and who are responsible for effectively managing our operations in a way that maximizes stockholder value. It is always the intention of the Human Resources & Compensation Committee that our executive officers be compensated competitively with the market and consistently with our business strategy, sound corporate governance principles, and stockholder interests and concerns. We believe our compensation program is effective, appropriate and strongly aligned with the long-term interests of our stockholders and that the total compensation package provided to our named executive officers are reasonable and not excessive.


For these reasons, the board of directors is asking stockholders to vote “FOR” the following resolution:


“RESOLVED, that the compensation paid to the Company’s named executive officers, as disclosed pursuant to the rules of the U.S. Securities and Exchange Commission, including the Compensation Discussion and Analysis, compensation tables and narrative discussion, is hereby APPROVED.”


As you consider this Proposal 2, we urge you to read the CD&A section of this proxy statement for additional details on executive compensation, including the more detailed information about our compensation philosophy and objectives and the past compensation of our named executive officers, and to review the tabular disclosures regarding named executive officer compensation together with the accompanying narrative disclosures in the “Executive Compensation”Compensation Tables” section of this proxy statement.


REQUIRED VOTE
As an advisory vote, Proposal 2 is not binding on our board of directors or the Human Resources & Compensation Committee, will not overrule any decisions made by our board of directors or the Human Resources & Compensation Committee, or require our board of directors or the Human Resources & Compensation Committee to take any specific action. Although the vote isnon-binding, our board of directors and the Human Resources & Compensation Committee value the opinions of our stockholders, and will carefully consider the outcome of the vote when making future compensation decisions for our named executive officers.

üOUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE “FOR” APPROVAL OF EXECUTIVE COMPENSATION AS DISCLOSED IN THIS PROXY STATEMENT

ATKORE 2022 PROXY STATEMENT     49

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PROPOSAL 3: FREQUENCY OF EXECUTIVE COMPENSATION VOTES

ADVISORY VOTE ON THE FREQUENCY OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE “FOR” APPROVAL OFFUTURE ADVISORY VOTES TO APPROVE EXECUTIVE COMPENSATION AS DISCLOSED IN THIS
In addition to the advisory “Say on Pay” vote set forth in Proposal 2, under the Dodd-Frank Act and Section 14A of the Exchange Act, stockholders are also entitled, at least once every six years, to indicate on an advisory basis, their preference regarding how frequently we should solicit the “Say on Pay” vote. This non-binding advisory vote is commonly referred to as a “Say on Frequency” vote. By voting on this Proposal 3, stockholders may indicate whether the advisory “Say on Pay” vote should occur every year, every two years or every three years or they may abstain from voting. Although the vote is advisory and is not binding on the board of directors, the board will take into account the outcome of the vote when considering the frequency of future “Say on Pay” proposals.

After careful consideration, the Board of directors believes that an advisory vote on executive compensation that occurs EVERY YEAR is the most appropriate alternative for our Company as an annual vote cycle gives the Human Resources & Compensation Committee frequent information about our stockholders’ sentiments so that it can take any action to implement necessary changes to our executive compensation policies and procedures.

REQUIRED VOTE
This non-binding advisory vote on the frequency of future advisory votes approving executive compensation will be determined by at least a majority of the outstanding shares of common stock present in person or represented by proxy at the Annual Meeting and entitled to vote. As an advisory vote, this proposal is not binding and this proposal does not provide stockholders with the opportunity to vote for or against any particular resolution. Rather it permits stockholders to choose how often they would like us to include a stockholder advisory vote on the compensation of our executives on the agenda for the annual meeting of stockholders. Notwithstanding the Board’s recommendation and the outcome of the stockholder vote, the Board may in the future decide that it is in the best interest of our stockholders and the Company to conduct “Say on Frequency” votes on a more or less frequent basis and may vary its practice based on factors such as discussions with stockholders and the adoption of material changes to compensation programs.


üOUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A FREQUENCY OF "EVERY YEAR" FOR FUTURE "SAY ON PAY" PROPOSALS ON EXECUTIVE COMPENSATION




ATKORE 2022 PROXY STATEMENT.

STATEMENT    
50

PROPOSAL 3: RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


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PROPOSAL 4: RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Audit Committee of the board of directors has selected Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending September 30, 2018,2023, and recommends that the stockholders vote for ratification of such selection. The Audit Committee has sole and direct responsibility for the appointment, retention, termination, compensation, evaluation and oversight of the work of any independent registered public accounting firm engaged by the Company.

As part of its auditor engagement process, the Audit Committee considers whether to rotate the independent audit firm. Deloitte & Touche rotates its lead audit engagement partner every five years, with a new lead engagement partner beginning with the Atkore fiscal year 2019 audit. The Audit Committee believes there are significant benefits to having an independent auditor with history with the Company, including higher quality audit work and accounting due to Deloitte & Touche's institutional knowledge of our business and operations, accounting policies and financial systems, and internal control framework. On an annual basis, the Audit Committee reviews and considers Deloitte & Touche's performance of the Company's independent audit in determining whether to reappoint the firm, carefully considering factors such as:

independence and objectivity
client service assessment and feedback from management
resources, technical capability and expertise
industry-specific experience and insights
historical and recent performance
external data relating to audit quality and performance
extent, quality and candor of communications
appropriateness of fees for audit and non-audit services
report on quality
length of time serving in this role, the benefits of longer tenure and the impacts of changing auditors

Based on this evaluation, the Audit Committee has determined that continued retention of Deloitte & Touche as our independent auditor for fiscal year 2023 is in the best interest of the Company and its stockholders.

In the event of a negative vote on the ratification, the Audit Committee may reconsider its appointment of Deloitte & Touche LLP for fiscal 2018;year 2023; however, the Audit Committee will consider the outcome of the vote for fiscal 2018 andyear 2023 when making appointments of our independent registered public accounting firm in future years.


Representatives of Deloitte & Touche LLP are expected to be present at the Annual Meeting and will have an opportunity to make a statement, if they desire to do so, and to respond to appropriate questions from those attending the meeting.


üOUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE “FOR” RATIFICATION OF THE SELECTION OF DELOITTE & TOUCHE LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR THE FISCAL YEAR ENDING SEPTEMBER 30, 2023.


ATKORE 2022 PROXY STATEMENT     51

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Pre-Approval Policies and Procedures
In accordance with the Sarbanes-Oxley Act of 2002, the Audit Committee charter provides that the Audit Committee of the board has the sole authority and responsibility to pre-approve all audit services, audit-related tax services and other permitted services to be performed for the Company by its independent auditors and the related fees. Pursuant to its charter and in compliance with rules of the SEC and Public Company Accounting Oversight Board (“PCAOB”), the Audit Committee has established a pre-approval policy that requires the pre-approval of all services to be performed by the independent auditors. The independent auditors may be considered for other services not specifically approved as audit services or audit-related services and tax services so long as the services are not prohibited by SEC or PCAOB rules and would not otherwise impair the independence of the independent auditor.

All of the services performed by Deloitte & Touche LLP during the fiscal years ended September 30, 2022 and September 30, 2021, were approved in advance by the Audit Committee pursuant to the pre-approval policy.

Audit Fees and Related Fees

The following table presents, for fiscal 2017year 2022 and 2016,2021, fees for professional services rendered by Deloitte & Touche LLP for the audit of our annual financial statements, audit-related services, tax services and all other services. In accordance with the SEC’s definitions and rules, “audit fees” are fees we paid Deloitte & Touche LLP for professional services for the audit of our Consolidated Financial Statementsconsolidated financial statements included in our Annual Report on Form10-K, review of the financial statements included in our quarterly reports on Form10-Q and services that are normally provided by Deloitte & Touche LLP in connection with statutory and regulatory filings or engagements; “audit-related fees” are fees for assurance and related services that are reasonably related to the performance of the audit or review of our financial statements; “tax fees” are fees for tax compliance, tax advice and tax planning; and “all other fees” are fees for any products and services provided by Deloitte & Touche LLP not included in the first three categories.

   Fiscal Year Ended 
   September 30,
2017
   September 30,
2016
 

Audit Fees(1)

  $2,427,516   $1,691,221 

All Other Fees(2)

  $447,481   $1,272,891 

 Fiscal Year Ended
 September 30, 2022September 30,
2021
Audit Fees(1)
$2,753,700 $2,472,300 
Audit Related Fees(2)
$— $190,750 
Tax Fees$— $— 
All other fees$— $— 
(1)Audit fees include fees related to the audits of the Company and other services associated with regulatory filings as well as other fees associated with audits of certain subsidiaries of the Company.
(2)Audit related fees primarily include fees for issuance of comfort letter related to Company's issuance of debt.


ATKORE 2022 PROXY STATEMENT     52

(1)Audit fees include fees related to the audits of the Company and other services associated with regulatory filings as well as other fees associated with audits of certain subsidiaries of the Company.
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(2)Includes services rendered in connection with our IPO, secondary offerings and other related expenses.

Pre-Approval
Policies and Procedures

In accordance with the Sarbanes-Oxley Act

REPORT OF THE AUDIT COMMITTEE
The principal purpose of 2002, the Audit Committee charter provides thatis to assist the board in its general oversight of our accounting practices, system of internal controls, audit processes and financial reporting processes. The Audit Committee ofis responsible for appointing and retaining our independent auditor and approving the board of directors has the sole authorityaudit and responsibility topre-approve all audit services, audit- related tax services and other permittednon-audit services to be performed for the Company by its independent auditors and the related fees. Pursuant to its charter and in compliance with rules of the SEC and Public Company Accounting Oversight Board (“PCAOB”), the Audit Committee has established apre-approval policy that requires thepre-approval of all services to be performedprovided by the independent auditors.auditor. The independent auditors may be consideredAudit Committee’s function is more fully described in its charter.

Our management is responsible for other services not specifically approved as audit services or audit-related servicespreparing our financial statements and tax services so long as the servicesensuring they are not prohibited by SEC or PCAOB rulescomplete and would not otherwise impair the independence of the independent auditor.

All of the services performed byaccurate and prepared in accordance with generally accepted accounting principles. Deloitte & Touche LLP, duringour independent registered public accounting firm for fiscal year 2022, was responsible for performing an independent audit of our consolidated financial statements and expressing an opinion on the conformity of those financial statements with generally accepted accounting principles.


The Audit Committee has reviewed and discussed our audited financial statements for the fiscal year ended September 30, 20172022 with management and with Deloitte & Touche LLP. These audited financial statements are included in our Annual Report on Form 10-K for the fiscal year ended September 30, 2016 were approved in advance2022.

The Audit Committee has also discussed with Deloitte & Touche LLP the matters required to be discussed by Auditing Standard No. 16 adopted by the Public Company Accounting Oversight Board (United States) regarding “Communications with Audit Committees.”

The Audit Committee also has received and reviewed the written disclosures and the letter from Deloitte & Touche LLP required by applicable requirements of the Public Company Accounting Oversight Board regarding Deloitte & Touche LLP’s communications with the Audit Committee pursuantconcerning independence, and has discussed with Deloitte and Touche LLP its independence from us.
Based on the review and discussions described above, the Audit Committee recommended to the board that the audited financial statements be included in the Annual Report on Form 10-K for the fiscal year ended September 30, 2022 for filing with the SEC.
pre-approval
policy.

OUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS

The Audit Committee
Betty R. Johnson (Chair)
Wilbert W. James, Jr.
Justin A. Kershaw
Scott H. Muse
A. Mark Zeffiro

This Report of the Audit Committee is required by the SEC and, in accordance with the SEC’s rules, will not be deemed to be part of or incorporated by reference by any general statement incorporating by reference this proxy statement into any filing under the Securities Act of 1933, as amended, or under the Securities Exchange Act of 1934, as amended, except to the extent that we specifically incorporate this information by reference, and will not otherwise be deemed “soliciting material” or “filed” under either the Securities Act or the Exchange Act.

ATKORE 2022 PROXY STATEMENT     53

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CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS

Policies and Procedures for Related Person Transactions
Our board has approved policies and procedures with respect to the review and approval of certain transactions between us and a “Related Person,” or a “Related Person Transaction,” which we refer to as our “Related Person Transaction Policy.” Pursuant to the terms of the Related Person Transaction Policy, our board, acting through our Audit Committee, must review and decide whether to approve or ratify any Related Person Transaction. Any Related Person Transaction is required to be reported to our legal department, which will then determine whether it should be submitted to our Audit Committee for consideration. The Audit Committee must then review and decide whether to approve any Related Person Transaction.

For the purposes of the Related Person Transaction Policy, a “Related Person Transaction” is a transaction, arrangement or relationship (or any series of similar transactions, arrangements or relationships) in which we (including any of our subsidiaries) were, are or will be a participant and the amount involved exceeds $120,000, and in which any Related Person had, has or will have a direct or indirect interest.

A VOTE “FOR” RATIFICATION OF THE SELECTION OF DELOITTE & TOUCHE LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR THE FISCAL YEAR ENDING SEPTEMBER 30, 2018.

“Related Person,” as defined in the Related Person Transaction Policy, means any person who is, or at any time since the beginning of our last fiscal year was, a director or executive officer of Atkore or a nominee to become a director of Atkore; any person who is known to be the beneficial owner of more than five percent of our common stock; any immediate family member of any of the foregoing persons, including any child, stepchild, parent, stepparent, spouse, sibling, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law of the director, executive officer, nominee or more than five percent beneficial owner, and any person (other than a tenant or employee) sharing the household of such director, executive officer, nominee or more than five percent beneficial owner; and any firm, corporation or other entity in which any of the foregoing persons is a general partner or, for other ownership interests, a limited partner or other owner in which such person has a beneficial ownership interest of ten percent or more.

OTHER BUSINESS


Transactions with Related Parties
The Company is not aware of any related party transactions during fiscal year 2022.

ATKORE 2022 PROXY STATEMENT     54

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QUESTIONS AND ANSWERS & OTHER BUSINESS

What are the proxy materials?
The board of directors (the "board") of Atkore Inc., a Delaware corporation (referred to as “Atkore,” the “Company,” “we,” “us,” or “our”), has made these proxy materials available to you on the Internet, or is providing printed proxy materials to you pursuant to your request, in connection with the solicitation of proxies for use at our Annual Meeting to be held on Thursday, January 27, 2023, at 8:00 a.m. (Central Time), at the Waldorf Astoria Chicago, 11 E. Walton St., Chicago IL, 60611, for the purpose of considering and acting upon the matters set forth in this proxy statement.

This proxy statement includes important information that we are required to provide to you under SEC rules and is designed to assist you in voting your shares. The proxy materials include this proxy statement, our Annual Report on Form 10-K for the fiscal year ended September 30, 2022, and the proxy card. Instructions on how to access the proxy materials over the Internet or to request a printed copy may be found in the Notice of Internet Availability. These proxy materials are being made available or distributed to you on or about December 13, 2022.

As a stockholder, you are invited to attend the Annual Meeting and are requested to vote on the proposals described in this proxy statement.

Why did we receive only one copy of the Notice of Internet Availability and how may I obtain an additional copy?
We are sending only one copy of our Notice of Internet Availability to stockholders who share the same last name and address, unless they have notified us that they want to continue receiving multiple copies. This practice, known as “householding,” is designed to reduce duplicate mailings and save significant printing and postage costs.

If your household received a single mailing this year and you would like to have additional copies of our Notice of Internet Availability mailed to you or you would like to opt out of this practice for future mailings, we will promptly deliver such additional copies to you if you submit your request to Atkore Inc., c/o Corporate Secretary (Legal Department), 16100 South Lathrop Avenue, Harvey, Illinois, 60426. You may also contact us in the same manner if you received multiple copies of the Notice of Internet Availability and would prefer to receive a single copy in the future.

All stockholders and beneficial owners may access the proxy materials at www.proxyvote.com as well as the Company’s website—www.investors.atkore.com. If you would like to receive a paper copy or an e-mail copy of our proxy materials, at no charge, please make the request by mail to Atkore Inc., c/o Corporate Secretary (Legal Department), 16100 South Lathrop Avenue, Harvey, Illinois 60426, by Internet at www.proxyvote.com, by telephone to 1-800-579-1639, requesting Daniel S. Kelly, or by e-mail to sendmaterial@proxyvote.com.

What items of business will be voted on at the Annual Meeting?
The items of business scheduled to be voted on at the Annual Meeting are:

Proposal 1: The election of nine nominees named in the proxy statement as directors for a term expiring at the 2024 Annual Meeting.

Proposal 2: A non-binding advisory vote approving executive compensation.

Proposal 3: A non-binding advisory vote on the frequency of future advisory votes on executive compensation.

Proposal 4: The ratification of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2023.

To transact such other business as may properly come before the Annual Meeting or any reconvened meeting following any adjournment or postponement thereof.

ATKORE 2022 PROXY STATEMENT     55

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How does the board of directors recommend I vote on these proposals?

Proposal 1: “FOR” each of the nominees named in the proxy statement as directors for a term expiring at the 2024 Annual Meeting.

Proposal 2: “FOR” the non-binding advisory vote approving executive compensation.

Proposal 3: "FOR EVERY YEAR" for the non-binding advisory vote on frequency of future executive compensation advisory votes.

Proposal 4: “FOR” the ratification of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2023.

If any other matters properly come before the Annual Meeting that require a vote of the stockholders, the persons designated as proxies will vote the shares of common stock of the Company, par value $0.01 per share, represented by the proxies, either FOR, AGAINST or ABSTAIN, in accordance with their judgment on those matters. As of the date hereof, our board of directors is not aware of any other such matter or business to be transacted at our Annual Meeting.

Who is entitled to vote at the Annual Meeting?
The record date for stockholders entitled to notice of, and to vote at, the Annual Meeting was November 30, 2022. At the close of business on that date, we had 39,865,270 shares of common stock issued and outstanding and entitled to be voted at the Annual Meeting held by one stockholder of record. A quorum is required for our stockholders to conduct business at the Annual Meeting. The presence in person or by proxy of the holders of record of a majority of the shares of common stock entitled to vote at the Annual Meeting is necessary to constitute a quorum at the Annual Meeting. Each outstanding share of common stock is entitled to one vote. Dissenters’ rights are not applicable to any of the matters being voted upon at the Annual Meeting.

By granting a proxy, you authorize the persons named in the proxy to represent you and vote your shares at the Annual Meeting. Those persons will also be authorized to vote your shares to adjourn the Annual Meeting from time to time and to vote your shares at any adjournments or postponements of the Annual Meeting.

Registered Stockholders. If your shares are registered directly in your name with our transfer agent, American Stock Transfer & Trust Company, LLC (“AST”), you are considered the stockholder of record with respect to those shares, and the Notice of Internet Availability was provided to you directly by us. As the stockholder of record, you have the right to grant your voting proxy directly to the Company’s representatives listed on its proxy card or to vote in person at the Annual Meeting.

Beneficial Stockholders. If your shares are held in a stock brokerage account or by a broker, bank, trustee or other nominee, you are considered the beneficial owner of shares held in “street name” and the Notice of Internet Availability was forwarded to you by your broker, bank, trustee or other nominee, who is considered, with respect to those shares, the stockholder of record. As the beneficial owner, you have the right to direct your broker, bank, trustee or other nominee how to vote your shares using the methods prescribed by your broker, bank, trustee or other nominee on the voting instruction card provided to you. Beneficial owners are also invited to attend the Annual Meeting.

However, since you are not the stockholder of record, you may not vote your shares in person at the Annual Meeting unless you follow your broker’s, bank’s, trustee’s or other nominee’s procedures for obtaining a legal proxy.

ATKORE 2022 PROXY STATEMENT     56

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What votes are required to approve each of the proposals?
Proposals 1-4 will be determined by the affirmative vote of the holders of at least a majority of the outstanding shares of our common stock present in person or represented by proxy at the Annual Meeting and entitled to vote. In accordance with our currently applicable By-laws, stockholders do not have the right to cumulate their votes for the election of directors. As advisory votes, the results of Proposals 2 and 3 are non-binding. However, our board and Human Resources & Compensation Committee will consider the outcome of the votes when making future decisions.

Proposal 4, the ratification of the selection of Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending September 30, 2023, will be determined by the affirmative vote of the holders of at least a majority of the outstanding shares of common stock present in person or represented by proxy at the Annual Meeting and entitled to vote. The Audit Committee has sole and direct responsibility for the appointment, retention, termination, compensation, evaluation and oversight of the work of any independent registered public accounting firm engaged by the Company. The Audit Committee has already appointed Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending September 30, 2023. In the event of a negative vote on the ratification, the Audit Committee may reconsider its appointment of Deloitte & Touche LLP for fiscal year 2023. Additionally, the Audit Committee will consider the outcome of the vote for fiscal year 2023 when making appointments of our independent registered public accounting firm in future years.

How are broker non-votes and abstentions counted?
If you hold your shares in "street name" through a broker, bank or other nominee, you should have received instructions from such broker, bank or nominee on how to instruct the holder of record to vote your shares. If you do not submit voting instructions to the holder of record, your broker may generally vote your shares in its discretion on matters designated as "routine." However, a broker cannot vote shares held in "street name" on matters designated as "non-routine" unless the broker receives voting instructions from the "street name" holder. A broker non-vote occurs when a broker or nominee holding shares for a beneficial owner votes on one proposal, but does not vote on another proposal because the broker or nominee does not have discretionary voting power and has not received instructions from the beneficial owner. Only the ratification of the selection of our independent registered public accounting firm in Proposal 4 is considered a routine matter. Your broker will therefore not have discretion to vote on the “non-routine” matters set forth in Proposals 1-3 absent direction from you. Because broker non-votes are not considered entitled to vote, they will have no effect on the approval of Proposals 1-3. For Proposals 1, an abstention will not be counted as a vote cast either "for" or "against" that director's election. For Proposals 2 through 4, an abstention will have the effect of a vote against the proposal.

The presence of a majority of the outstanding shares of common stock entitled to vote at the Annual Meeting, either in person or by proxy, will constitute a quorum. Shares of common stock represented by proxies at the meeting, including broker non-votes and those that are marked “ABSTAIN,” will be counted as shares present for purposes of establishing a quorum.

Can I vote in person at the Annual Meeting?
For stockholders with shares registered in the name of a brokerage firm or bank or other similar organization, you will need to obtain a legal proxy from the broker, bank, trustee or other nominee that holds your shares before you can vote your shares in person at the Annual Meeting. For stockholders with shares registered directly in their names with AST, you may vote your shares in person at the Annual Meeting.

What do I need to attend the Annual Meeting in person?
Space for the Annual Meeting is limited and admission will be on a first-come, first-served basis. Stockholders should be prepared to present (1) valid government photo identification, such as a driver's license or passport; and (2) beneficial stockholders holding their shares through a broker, bank, trustee or other nominee will need to bring proof of beneficial ownership as of November 30, 2022, the record date, such as their most recent account statement reflecting their stock ownership prior to November 30, 2022, a copy of the voting instruction card provided by their broker, bank, trustee or other nominee or similar evidence of ownership.
ATKORE 2022 PROXY STATEMENT     57

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How can I vote my shares without attending the Annual Meeting in person?
For beneficial stockholders with shares registered in the name of a broker, bank, trustee or other nominee, a number of brokerage firms and banks are participating in a program that offers an Internet voting option. Stockholders should refer to the voting instruction card provided by their broker, bank, trustee or other nominee for instructions on the voting methods they offer. Registered stockholders with shares registered directly in their names with AST will also be able to vote using the Internet. For instructions on how to vote, please refer to the instructions included on the Notice of Internet Availability.

If your shares are held in an account at a broker, bank, trustee or other nominee participating in this program or registered directly in your name with AST, you may vote those shares by accessing the following Internet website address: www.proxyvote.com. The giving of such an Internet proxy will not affect your right to vote in person should you decide to attend the Annual Meeting.

The Internet voting procedures are designed to authenticate stockholders’ identities, to allow stockholders to give their voting instructions and to confirm that stockholders’ instructions have been recorded properly. If you vote by Internet, you do not need to send in a proxy card or vote instruction form. The deadline for Internet voting will be 11:59 p.m., Eastern Time, on January 26, 2023.

May stockholders ask questions?
Yes. Representatives of the Company will answer stockholders’ questions of general interest following the meeting in accordance with the rules and regulations of the annual meeting.

What if I return my proxy card but do not provide voting instructions?
If you provide specific voting instructions, your shares will be voted as you instruct. Unless contrary instructions are specified, if you sign and return a proxy card but do not specify how your shares are to be voted, the shares of the common stock of the Company represented thereby will be voted in accordance with the recommendations of the board.

These recommendations are:
Proposal 1: “FOR” each of the nominees named in the proxy statement as directors for a term expiring at the 2024 Annual Meeting,

Proposal 2: “FOR” the non-binding advisory vote approving executive compensation,

Proposal 3: "FOR EVERY YEAR" for the non-binding advisory vote on frequency of future executive compensation advisory votes.

Proposal 4: "FOR" the ratification of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending September 30, 2023.

How do I change or revoke my proxy?
Subject to any rules your broker, bank, trustee or other nominee may have, you may change your proxy instructions at any time before your proxy is voted at the Annual Meeting. A proxy may be revoked by a writing delivered to us stating that the proxy is revoked, by a subsequent proxy that is signed by the person who signed the earlier proxy and is delivered before or at the Annual Meeting, by voting again on a later date on the Internet (only your latest Internet proxy submitted prior to the Annual Meeting will be counted) or by attendance at the Annual Meeting and voting in person. Please note, however, that if a stockholder’s shares are held of record by a broker, bank, trustee or other nominee and that stockholder wishes to vote at the Annual Meeting, the stockholder must bring a legal proxy to the Annual Meeting.

Who will count and certify the votes?
Representatives of the firm of Broadridge Financial Solutions, Inc. (“Broadridge”) and the staff of our Corporate Secretary and investor relations offices will count the votes and certify the election results. The results will be publicly filed with the SEC on a Form 8-K within four business days after the Annual Meeting.

ATKORE 2022 PROXY STATEMENT     58

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How can I make a proposal or make a nomination for director for next year’s annual meeting?
You may present proposals for action at a future meeting or submit nominations for election of directors only if you comply with the requirements of the proxy rules established by the SEC and our then current by-laws, as applicable. In order for a stockholder proposal or nomination for director to be considered for inclusion in our proxy statement and form of proxy relating to our annual meeting of stockholders to be held on January 30, 2024, the proposal or nomination must be received by us at our principal executive offices no later than August 15, 2023. Stockholders wishing to bring a proposal or nominate a director at the annual meeting to be held in 2024 (but not include it in our proxy materials) must provide written notice of such proposal to our Corporate Secretary (Attn: Legal Department) at our principal executive offices between October 2, 2023 and November 1, 2023 and comply with the other provisions of our then current by-laws.

Who pays for the cost of proxy preparation and solicitation?
Our board is responsible for the solicitation of proxies for the Annual Meeting. Broadridge will assist us in the distribution of proxy materials , and will provide voting and tabulation services for the Annual Meeting for a fee of approximately $10,000 plus reimbursement of expenses. All costs of the solicitation of proxies will be borne by us. We pay for the cost of proxy preparation and solicitation, including the reasonable charges and expenses of brokerage firms, banks, trusts or nominees for forwarding proxy materials to street name holders. We are soliciting proxies primarily by mail. In addition, our directors, officers and employees may solicit proxies by telephone or other means of communication personally. Our directors, officers and employees will receive no additional compensation for these services other than their regular compensation.

What is the board member annual meeting attendance policy?
Each continuing board member is expected to attend the Company’s annual meeting. All board members who served as members of the board at the time of the 2022 Annual Meeting of Stockholders attended last year’s annual meeting.
ATKORE 2022 PROXY STATEMENT     59

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OTHER BUSINESS
The board does not know of any matters which will be brought before the Annual Meeting other than those specifically set forth in the notice of meeting. If any other matters are properly introduced at the meeting for consideration, including, among other things, consideration of a motion to adjourn the meeting to another time or place, the individuals named in the Company’s proxy will have discretion to vote in accordance with their best judgment, unless otherwise restricted by law.


A list of stockholders entitled to be present and vote at the Annual Meeting will be available at the Company’s offices at 16100 South Lathrop Avenue, Harvey, ILIllinois, 60426, for inspection by the stockholders during regular business hours from December 5, 2017,November 30, 2022, to the date of the Annual Meeting.

The list also will be available during the Annual Meeting for inspection by stockholders who are present.


Whether or not you expect to attend the Annual Meeting, we urge you to vote via the Internet, as instructed on the proxy card and Notice of Internet Availability or, if so requested, by executing and returning the requested proxy card in the postage paidpostage-paid envelope that will be provided, so that your shares may be represented at the Annual Meeting.


By Order of the Board of Directors,


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Daniel S. Kelly

Vice President, General Counsel and Corporate Secretary

December 15, 2017

13, 2022

LOGO

LOGO

    LOGO

VOTE BY INTERNET - www.proxyvote.com

Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before thecut-off date or meeting date. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form.

ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS

If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically viae-mail or the Internet. To sign up for electronic delivery, please follow the instructions above to vote using the Internet and, when prompted, indicate that you agree to receive or access proxy materials electronically in future years.

VOTE BY MAIL

Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717.

LOGO

TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:            


KEEP THIS PORTION FOR YOUR RECORDS

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DETACH AND RETURN THIS PORTION ONLY

THIS

ATKORE 2022 PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

LOGO

The Board of Directors recommends you vote FOR the following:LOGO
1.Election of Directors

Nominees

ForAgainstAbstain
1AJames G. Berges

1B

Jeri L. Isbell

1CWilbert W. James, Jr.
1DJonathan L. Zrebiec

The Board of Directors recommends you vote FOR proposals 2 and 3.

ForAgainstAbstain
2Thenon-binding advisory vote approving executive compensation.
3The ratification of Deloitte & Touche LLP as the company’s independent registered public accounting firm for the fiscal year ending September 30, 2018.

LOGO

NOTE:Such other business as may properly come before the meeting or any adjournment thereof.

Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name, by authorized officer.

SHARES  

CUSIP#  

SEQUENCE#  

JOB#
Signature [PLEASE SIGN WITHIN BOX]DateSignature (Joint Owners)Date

STATEMENT     60





Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting:

The Notice & Proxy Statement, Form

10-K
are available at
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www.proxyvote.com

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ATKORE INTERNATIONAL GROUP INC.

Annual Meeting of Stockholders

January 31, 2018 09:00 AM CST

This proxy is solicited by the Board of Directors

LOGO

The stockholders(s) hereby appoint(s) Keith L. Whisenand and Courtney H. Young, or either of them, as proxies, each with the power to appoint his or her substitute, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of Common stock of ATKORE INTERNATIONAL GROUP INC. that the stockholder(s) is/are entitled to vote at the Annual Meeting of Stockholder(s) to be held at 09:00 AM, CST on January 31, 2018 at the Waldorf Astoria Chicago, 11 E. Walton Street, Chicago, Illinois 60611, and any adjournment or postponement thereof.

This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the Board of Directors’ recommendations.

Continued and to be signed on reverse side



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