# EDGAR Filing Document

**Accession Number:** 0000007431
**File Stem:** 0001127602-23-008368
**Filing Date:** 2023-3
**Character Count:** 6954
**Document Hash:** 1668c5a2c18e28d8e135e7db7e037296
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001127602-23-008368.hdr.sgml**: 20230302

**ACCESSION NUMBER**: 0001127602-23-008368

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20230301

**FILED AS OF DATE**: 20230302

**DATE AS OF CHANGE**: 20230302

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Maheshwari Monica M.
- **CENTRAL INDEX KEY:** 0001967547

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-02116
- **FILM NUMBER:** 23699455

**MAIL ADDRESS:**
- **STREET 1:** 2500 COLUMBIA AVENUE
- **CITY:** LANCASTER
- **STATE:** PA
- **ZIP:** 17603
**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 22nd day of February 2023.

/s/ Monica M. Maheshwari
Name:

```

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Maheshwari Monica M.<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. Issuer Name and Ticker or Trading Symbol**<br>ARMSTRONG WORLD INDUSTRIES INC [ AWI ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2023-03-01 | **4. 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, Human Resources_ | **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 Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

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

**Signature:** /s/ Alan M. Kidd, Attorney-in-fact  
**Date:** 2023-03-02

### 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.**