# EDGAR Filing Document

**Accession Number:** 0001322386
**File Stem:** 0001127602-23-008723
**Filing Date:** 2023-3
**Character Count:** 8888
**Document Hash:** 609cb3c51669644b9becedcc46925862
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001127602-23-008723.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0001127602-23-008723

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20230301

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Hershey Mark A
- **CENTRAL INDEX KEY:** 0001322386

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-02116
- **FILM NUMBER:** 23704670

**MAIL ADDRESS:**
- **STREET 1:** ARMSTRONG WORLD INDUSTRIES, INC.
- **STREET 2:** 2500 COLUMBIA AVENUE
- **CITY:** LANCASTER
- **STATE:** PA
- **ZIP:** 17604-3001
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ARMSTRONG WORLD INDUSTRIES INC
- **CENTRAL INDEX KEY:** 0000007431
- **STANDARD INDUSTRIAL CLASSIFICATION:** PLASTICS PRODUCTS, NEC [3089]
- **IRS NUMBER:** 230366390
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2500 COLUMBIA AVE
- **CITY:** LANCASTER
- **STATE:** PA
- **ZIP:** 17603
- **BUSINESS PHONE:** 7173970611

**MAIL ADDRESS:**
- **STREET 1:** 2500 COLUMBIA AVE
- **CITY:** LANCASTER
- **STATE:** PA
- **ZIP:** 17603

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ARMSTRONG CORK CO
- **DATE OF NAME CHANGE:** 19800611

## Ex-24

```

POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby constitutes and
     appoints each of Austin K. So and Alan M. Kidd of Armstrong World
     Industries, Inc. or any of them signing singly, and with full power of
     substitution, the undersigned's true and lawful attorney-in-fact to:

     1. prepare, execute in the undersigned's name and on the undersigned's
        behalf, and submit to the U.S. Securities and Exchange Commission (the
        "SEC") a Form ID, including amendments thereto, and any other documents
        necessary or appropriate to obtain codes and passwords enabling the
        undersigned to make electronic filings with the SEC of reports required
        by Section 16(a) of the Securities Exchange Act of 1934 or any rule or
        regulation of the SEC;

     2. take any other action of any type whatsoever in connection with the
        foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power
        of Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such attorney-in-
        fact's discretion.

     The undersigned hereby grants to each such attorney-in-fact full power
     and authority to do and perform any and every act and thing whatsoever
     requisite, necessary, or proper to be done in the exercise of any of the
     rights and powers herein granted, as fully to all intents and purposes
     as the undersigned might or could do if personally present, with full
     power of substitution or revocation, hereby ratifying and confirming all
     that such attorney-in-fact, or such attorney-in-fact's substitute or
     substitutes, shall lawfully do or cause to be done by virtue of this power
     of attorney and the rights and powers herein granted. The undersigned
     acknowledges that the foregoing attorneys-in-fact, in serving in such
     capacity at the request of the undersigned, are not assuming any of the
     undersigned's responsibilities to comply with Section 16 of the Securities
     Exchange Act of 1934.

     This Power of Attorney shall remain in full force and effect unless
     revoked by the undersigned in a signed writing delivered to the foregoing
     attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
     be executed as of this 7th day of February 2023.

/s/ Mark A. Hershey
Name:

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Hershey Mark A<br><sub>(Last) (First) (Middle)</sub><br>C/O ARMSTRONG WORLD INDUSTRIES, INC.<br>2500 COLUMBIA AVENUE<br><sub>(Street)</sub><br>LANCASTER, PA 17603<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_SVP Americas_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>ARMSTRONG WORLD INDUSTRIES INC [ AWI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units<sup>(1)</sup> | <sup>(1)</sup> | 2023-03-01 |  | A |  | 3532 |  | <sup>(2)</sup> | <sup>(2)</sup> | Common Stock | 3532 | $0 | 3532 | D |  |

---

### Footnotes:

(1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

(2) The restricted stock units were granted to the Reporting Person on March 1, 2023 and will vest in full on March 1, 2026 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

**Remarks:**
See Exhibit 24 - Power of Attorney

**Signature:** /s/ Alan M. Kidd, Attorney-in-fact  
**Date:** 2023-03-03

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**