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<TITLE>Form 8-K</TITLE>
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 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM 8-K
</B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant
to Section&nbsp;13 or 15(d) </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of The Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of Earliest Event Reported) September&nbsp;9, 2013 </B></P>
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<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Armstrong World Industries, Inc. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
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<TD VALIGN="top" ALIGN="center"><B>Pennsylvania</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>001-02116</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>23-0366390</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of incorporation)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(IRS Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>2500 Columbia Avenue P.O. Box 3001</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Lancaster, Pennsylvania</B></P></TD>
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<TD VALIGN="top" ALIGN="center"><B>(Address of principal executive offices)</B></TD>
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</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Registrant&#146;s telephone number, including area code (717)&nbsp;397-0611 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>N/A </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Former name or
former address, if changed since last report </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Check the
appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </TD></TR></TABLE> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;8.01. Other Events. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Armstrong World Industries, Inc. (the &#147;Company&#148;) is filing this Current Report on Form 8-K for the purpose of clarifying the description of its
common stock and certain material provisions of its Amended and Restated Articles of Incorporation (the &#147;Articles&#148;) related to the common stock. In accordance with the interpretation of the staff of the Division of Corporation Finance of
the Securities and Exchange Commission (the &#147;Division&#148;) set forth in Questions 123.07 and 126.23 of the Division&#146;s Securities Act Forms Compliance and Disclosure Interpretations, the Company will incorporate by reference the
clarifying description of its common stock and certain material provisions of the Articles set forth below into registration statements on Form S-3 and Form S-8 filed under the Securities Act of 1933 in lieu of incorporation by reference of a
description of the common stock contained in a registration statement filed under Section&nbsp;12 of the Securities Exchange Act of 1934, as amended. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In
this Current Report on Form 8-K, unless otherwise specified or the context requires otherwise, we use the terms &#147;we,&#148; &#147;us&#148; and &#147;our&#148; to refer to the Company. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>DESCRIPTION OF CAPITAL STOCK </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Set forth below is a summary description of the material terms of our capital stock. This description is qualified in its entirety by
reference to our Articles and amended bylaws (the &#147;Bylaws&#148;). </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Authorized Capital Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">As of the date of this Current Report on Form 8-K, our authorized capital stock under our Articles consists of: </P>
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<TD ALIGN="left" VALIGN="top">200,000,000 common shares, par value $0.01 per share; and </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">15,000,000 preferred shares, without par value. </TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Common Shares </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Holders of our common shares are entitled to one vote per share on all matters (including the election of directors) on which any of our
shareholders are entitled to vote. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Subject to applicable law and any preference rights of holders of our preferred shares that we may
issue in the future, the holders of our common shares are entitled to receive dividends, if any, when and as declared from time to time by our board of directors (the &#147;Board&#148;), out of assets legally available therefor. In the event of our
liquidation, dissolution or winding up, the holders of our common shares are entitled to share ratably in all assets remaining after the payment of liabilities, subject to the rights of any holders of preferred shares that we might have issued prior
to such distribution. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The holders of common shares have no preemptive, subscription, redemption or conversion rights. There are no
sinking fund provisions applicable to our common shares. Our common shares are listed on the NYSE under the symbol &#147;AWI.&#148; </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Preferred Shares
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The Board has the authority, without action by our shareholders, to issue preferred shares and to fix voting powers for each class or
series of preferred shares, and to provide that any class or series may be subject to redemption, entitled to receive dividends, entitled to rights upon dissolution or convertible into, or exchangeable for, shares of any other class or classes of
capital stock. The rights with respect to a series or class of preferred shares may be greater than the rights attached to our common shares. It is not possible to state the actual effect of the issuance of any of our preferred shares on the rights
of holders of our common shares until our Board determines the specific rights attached to such preferred shares. The effect of issuing preferred shares could include one or more of the following: </P>
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<TD ALIGN="left" VALIGN="top">restricting dividends in respect of our common shares; </TD></TR></TABLE>

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<TD ALIGN="left" VALIGN="top">diluting the voting power of our common shares or providing that holders of preferred shares have the right to vote on matters as a class; </TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top">impairing the liquidation rights of our common shares; or </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">delaying or preventing a change of control of us. </TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide that, until such time
as the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust (the &#147;Asbestos Trust&#148;), first ceases to be the beneficial owner (determined as provided in the Articles) of at least 20% of the outstanding common shares, we
may not, without the prior written consent of Asbestos Trust, authorize any new class of shares or issue any preferred shares other than conventional preferred shares (as defined in the Articles). </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Asbestos Trust </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide
that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common shares, Asbestos Trust may not, subject to certain exceptions, transfer, in one transaction or a series of related
transactions, any voting shares (i.e., any common shares or other shares entitled to cast more than 5% of the votes that may be cast in the election of directors) to any purchaser who, after giving effect to such transfer, would beneficially own
either more than 35% of all voting shares or more than the number of voting shares owned by Asbestos Trust. Asbestos Trust may, however, effect such an otherwise prohibited transfer if: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(1) the transfer is a public sale of shares made in compliance with certain provisions of the U.S. federal securities laws or in certain
derivative transactions (as specified in the Articles); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(2) all other holders of common shares have an opportunity to participate in the
transaction or series of transactions on the same terms as Asbestos Trust; or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(3) in the case of a disposition of shares by Asbestos
Trust pursuant to a merger, consolidation, recapitalization or similar corporate transaction involving us, the material terms of the transaction have been approved by a majority of our directors who are not affiliated with Asbestos Trust and who
have no personal financial interest in the transaction (&#147;Disinterested Directors&#148;), or by such vote of the holders of the common shares as is required by law, our Articles or Bylaws (as then in effect) or any applicable listing standards,
provided that, if such a transaction would result in Asbestos Trust receiving a type or amount of payment per common share that is different from the payment to be received by other holders of common shares, the transaction must be approved by the
affirmative vote of the holders of a majority of the common shares not beneficially owned by Asbestos Trust (in addition to any other required shareholder approval). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common
shares, any transaction between the Company or any of its subsidiaries and Asbestos Trust or any affiliate thereof (other than a dividend or other distribution made to all shareholders pro rata to their shareholdings and otherwise on terms which are
the same with respect to Asbestos Trust and all other participating shareholders), shall require review by and approval of a majority of the Disinterested Directors, whether or not such review and approval is required by law or applicable listing
standards, subject to any exception from such review and approval for transactions of an immaterial nature determined under such criteria as have been approved in advance by a majority of the Disinterested Directors; provided, however, that, in the
case of any transaction or series of related transactions involving the cancellation, retirement, disposition, conversion, exchange or reclassification of the shares of the Company, or any dividend, distribution or payment in respect of outstanding
shares of the Company, pursuant to a merger, consolidation, recapitalization, reorganization or similar corporate transaction, which transaction would result in Asbestos Trust receiving any dividend, distribution, security, other property or payment
that differs from that which would be received by all other holders of common shares, then the approval of the holders of a majority of the common shares not owned or controlled by Asbestos Trust shall be required (in addition to approval by any
shareholder vote otherwise required, but approval of a majority of the disinterested directors, as such, shall not be required). </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial
owner of at least 20% of the outstanding common shares, we shall not without the prior, written consent of Asbestos Trust: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(a) authorize
any new class of shares (i.e., other than the common shares or conventional preferred shares (as defined in our Articles)); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(b) issue any
preferred shares, other than conventional preferred shares (as defined in the Articles); or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(c) adopt a shareholder rights plan that
provides some, but not all, holders of common shares the right to acquire our securities, for the purpose of making more difficult or expensive an acquisition of additional voting shares by a person or group acquiring more than a specified level of
ownership in us. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of
the outstanding common shares, our Board is required to present to the shareholders nominations of candidates for election to the Board (or recommend the election of such candidates as nominated by others) such that, and shall take such other
corporate actions as may be reasonably required to provide that, to the best knowledge of the Board, if such candidates are elected by the shareholders, at least a majority of the members of the Board shall be independent directors (determined in
accordance with the listing standards of the market on which the common shares are listed and in compliance with the standards of director independence required by Rule 10A-3 under the Exchange Act). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common
shares, the affirmative vote of Asbestos Trust would be required for the amendment of the provisions of the Articles described above. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Stockholder and
Registration Rights Agreement with Asbestos Trust </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">We are a party to the Stockholder and Registration Rights Agreement, dated as of
October&nbsp;2, 2006, between us and Asbestos Trust. Certain of the provisions of our Articles and Bylaws regarding the rights, powers or privileges, or limitations on the rights, powers or privileges, of Asbestos Trust described above are also
contained in this agreement, which also contains certain other provisions governing our relationship with Asbestos Trust. The Stockholder and Registration Rights Agreement is incorporated by reference as Exhibit 10.1 to this Current Report on Form
8-K from the Current Report on Form 8-K filed on October&nbsp;2, 2006, wherein it appeared as Exhibit 10.3. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Anti-Takeover Effects of Certain
Provisions </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The following is a summary of certain provisions of the PBCL and our Articles and Bylaws that may be deemed to have an
anti-takeover effect and may delay, deter or prevent a tender offer or takeover attempt that a shareholder might consider to be in its best interest, including those attempts that might result in a premium over the market price for the shares. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman"><B><I>Authorized but Unissued Shares</I></B> </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our authorized but unissued common shares will be available for future issuance without approval by our shareholders. These additional shares
may be utilized for a variety of corporate purposes, including future public offerings to raise additional capital, corporate acquisitions and employee benefit plans. The existence of our authorized but unissued common shares could render more
difficult or discourage an attempt to obtain control over us by means of a proxy contest, tender offer, merger or otherwise. </P>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:8%; font-size:10pt; font-family:Times New Roman"><B><I>Pennsylvania Anti-Takeover Statutes </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">We are organized under Pennsylvania law. In general, a corporation organized under Pennsylvania law is subject to various
&#147;anti-takeover&#148; provisions of the Pennsylvania Business Corporation Law of 1988, as amended (the &#147;PBCL&#148;), unless the corporation&#146;s articles of incorporation or, in certain cases, bylaws explicitly provide that these
provisions shall not apply to the corporation or another statutory exception applies. These &#147;anti-takeover&#148; provisions may delay or prevent a transaction that would cause a change in our control and they seek to discourage certain
fundamental changes, control transactions, business combinations and control-share acquisitions as well as to protect registered corporations from being exposed to and paying &#147;greenmail.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles explicitly provide that Subchapters 25D, 25E, 25F, 25G and 25H of the PBCL, the &#147;anti-takeover&#148; statutes, will not
apply to us, except as may be required by law. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:8%; font-size:10pt; font-family:Times New Roman"><B><I>Other Provisions of Our Articles and Bylaws </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Pursuant to our Articles, special meetings of shareholders can be called only by shareholders holding at least 20% of voting shares. In
addition, our Bylaws establish advance notice procedures with respect to shareholder proposals and the nomination of candidates for election of directors, other than nominations made by, or at the direction of, our Board or by Asbestos Trust. These
requirements may impede shareholders&#146; ability to call special meetings, bring matters before a meeting of shareholders or make nominations for directors at a meeting of shareholders. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles do not provide for cumulative voting in the election of directors. Because cumulative voting might otherwise permit an insurgent
to gain Board representation even though it only owns a minority interest, the inability of our shareholders to vote cumulatively may impede or delay attempts to change of control of us. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Bylaws include provisions eliminating the personal liability of our directors and provisions indemnifying our directors and officers, in
each case to the fullest extent permitted by Pennsylvania law. The limitation of liability and indemnification provisions in our Bylaws may discourage shareholders from bringing a lawsuit against directors for breach of their fiduciary duty. These
provisions may also have the effect of reducing the likelihood of derivative litigation against directors and officers, even though a derivative action, if successful, might otherwise benefit us and our shareholders. In addition, the value of
investments in our securities may be adversely affected to the extent we pay the costs of settlement and damage awards against directors and officers pursuant to these indemnification provisions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Articles may be amended, altered or repealed as provided by the PBCL with the exception that certain provisions regarding (i)&nbsp;the
number, terms of office and removal of directors, (ii)&nbsp;special meetings of shareholders, (iii)&nbsp;shareholder action by written consent and (iv)&nbsp;Asbestos Trust (see &#147;Asbestos Trust&#148; above) may only be amended, modified or
repealed by affirmative vote or written consent of the holders of at least 80% of our outstanding common shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">Our Bylaws may be
amended, modified or repealed by either a (i)&nbsp;a majority vote of holders of the outstanding shares entitled to vote on the matter or (ii)&nbsp;majority vote of the total number of directors on the Board, except as otherwise provided by the
PBCL, the Articles or as is otherwise qualified in the Bylaws. Certain matters, such as changes in the number of directors, may require the prior written consent of Asbestos Trust. Until no shareholder beneficially owns at least 20% of our common
shares, the affirmative vote of at least 80% of shareholders is required for changes to certain provisions of the Bylaws, including provisions concerning director independence, shareholder voting at special meetings and action by written consent,
Board size and appointments to our nominating and governance committee. </P>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;9.01. Financial Statements and Exhibits. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) Exhibits </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>
<TD></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="92%"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Exhibit<BR>Number</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Description</B></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Stockholder and Registration Rights Agreement, dated as of October 2, 2006, by and between Armstrong World Industries, Inc. and the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust is incorporated by
reference from the Current Report on Form 8-K filed on October 2, 2006, wherein it appeared as Exhibit 10.3.</TD></TR>
</TABLE>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="45%"></TD></TR>


<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>ARMSTRONG WORLD INDUSTRIES, INC.</U></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; text-indent:6.00em; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;(Registrant)</P></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: September&nbsp;9, 2013</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Mark A. Hershey</P></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top">Mark A. Hershey</TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top">Senior Vice President, General Counsel and Secretary</TD></TR>
</TABLE>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXHIBIT INDEX </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TD></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="92%"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Exhibit<BR>Number</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Description</B></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Stockholder and Registration Rights Agreement, dated as of October 2, 2006, by and between Armstrong World Industries, Inc. and the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust is incorporated by
reference from the Current Report on Form 8-K filed on October 2, 2006, wherein it appeared as Exhibit 10.3.</TD></TR>
</TABLE>
</BODY></HTML>
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Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant
to Section 13 or 15(d)
of The Securities Exchange Act of 1934
Date of Report (Date of Earliest Event Reported) September 9, 2013
Armstrong World Industries, Inc.
(Exact name of registrant as specified in its charter)
Pennsylvania
001-02116
23-0366390
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
2500 Columbia Avenue P.O. Box 3001
Lancaster, Pennsylvania
17603
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area code (717) 397-0611
N/A
Former name or
former address, if changed since last report
Check the
appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
¨
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 8.01. Other Events.
Armstrong World Industries, Inc. (the "Company") is filing this Current Report on Form 8-K for the purpose of clarifying the description of its
common stock and certain material provisions of its Amended and Restated Articles of Incorporation (the "Articles") related to the common stock. In accordance with the interpretation of the staff of the Division of Corporation Finance of
the Securities and Exchange Commission (the "Division") set forth in Questions 123.07 and 126.23 of the Division's Securities Act Forms Compliance and Disclosure Interpretations, the Company will incorporate by reference the
clarifying description of its common stock and certain material provisions of the Articles set forth below into registration statements on Form S-3 and Form S-8 filed under the Securities Act of 1933 in lieu of incorporation by reference of a
description of the common stock contained in a registration statement filed under Section 12 of the Securities Exchange Act of 1934, as amended.
In
this Current Report on Form 8-K, unless otherwise specified or the context requires otherwise, we use the terms "we," "us" and "our" to refer to the Company.
DESCRIPTION OF CAPITAL STOCK
Set forth below is a summary description of the material terms of our capital stock. This description is qualified in its entirety by
reference to our Articles and amended bylaws (the "Bylaws").
Authorized Capital Stock
As of the date of this Current Report on Form 8-K, our authorized capital stock under our Articles consists of:
•
200,000,000 common shares, par value $0.01 per share; and
•
15,000,000 preferred shares, without par value.
Common Shares
Holders of our common shares are entitled to one vote per share on all matters (including the election of directors) on which any of our
shareholders are entitled to vote.
Subject to applicable law and any preference rights of holders of our preferred shares that we may
issue in the future, the holders of our common shares are entitled to receive dividends, if any, when and as declared from time to time by our board of directors (the "Board"), out of assets legally available therefor. In the event of our
liquidation, dissolution or winding up, the holders of our common shares are entitled to share ratably in all assets remaining after the payment of liabilities, subject to the rights of any holders of preferred shares that we might have issued prior
to such distribution.
The holders of common shares have no preemptive, subscription, redemption or conversion rights. There are no
sinking fund provisions applicable to our common shares. Our common shares are listed on the NYSE under the symbol "AWI."
Preferred Shares
The Board has the authority, without action by our shareholders, to issue preferred shares and to fix voting powers for each class or
series of preferred shares, and to provide that any class or series may be subject to redemption, entitled to receive dividends, entitled to rights upon dissolution or convertible into, or exchangeable for, shares of any other class or classes of
capital stock. The rights with respect to a series or class of preferred shares may be greater than the rights attached to our common shares. It is not possible to state the actual effect of the issuance of any of our preferred shares on the rights
of holders of our common shares until our Board determines the specific rights attached to such preferred shares. The effect of issuing preferred shares could include one or more of the following:
•
restricting dividends in respect of our common shares;
•
diluting the voting power of our common shares or providing that holders of preferred shares have the right to vote on matters as a class;
•
impairing the liquidation rights of our common shares; or
•
delaying or preventing a change of control of us.
Our Articles provide that, until such time
as the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust (the "Asbestos Trust"), first ceases to be the beneficial owner (determined as provided in the Articles) of at least 20% of the outstanding common shares, we
may not, without the prior written consent of Asbestos Trust, authorize any new class of shares or issue any preferred shares other than conventional preferred shares (as defined in the Articles).
Asbestos Trust
Our Articles provide
that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common shares, Asbestos Trust may not, subject to certain exceptions, transfer, in one transaction or a series of related
transactions, any voting shares (i.e., any common shares or other shares entitled to cast more than 5% of the votes that may be cast in the election of directors) to any purchaser who, after giving effect to such transfer, would beneficially own
either more than 35% of all voting shares or more than the number of voting shares owned by Asbestos Trust. Asbestos Trust may, however, effect such an otherwise prohibited transfer if:
(1) the transfer is a public sale of shares made in compliance with certain provisions of the U.S. federal securities laws or in certain
derivative transactions (as specified in the Articles);
(2) all other holders of common shares have an opportunity to participate in the
transaction or series of transactions on the same terms as Asbestos Trust; or
(3) in the case of a disposition of shares by Asbestos
Trust pursuant to a merger, consolidation, recapitalization or similar corporate transaction involving us, the material terms of the transaction have been approved by a majority of our directors who are not affiliated with Asbestos Trust and who
have no personal financial interest in the transaction ("Disinterested Directors"), or by such vote of the holders of the common shares as is required by law, our Articles or Bylaws (as then in effect) or any applicable listing standards,
provided that, if such a transaction would result in Asbestos Trust receiving a type or amount of payment per common share that is different from the payment to be received by other holders of common shares, the transaction must be approved by the
affirmative vote of the holders of a majority of the common shares not beneficially owned by Asbestos Trust (in addition to any other required shareholder approval).
Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common
shares, any transaction between the Company or any of its subsidiaries and Asbestos Trust or any affiliate thereof (other than a dividend or other distribution made to all shareholders pro rata to their shareholdings and otherwise on terms which are
the same with respect to Asbestos Trust and all other participating shareholders), shall require review by and approval of a majority of the Disinterested Directors, whether or not such review and approval is required by law or applicable listing
standards, subject to any exception from such review and approval for transactions of an immaterial nature determined under such criteria as have been approved in advance by a majority of the Disinterested Directors; provided, however, that, in the
case of any transaction or series of related transactions involving the cancellation, retirement, disposition, conversion, exchange or reclassification of the shares of the Company, or any dividend, distribution or payment in respect of outstanding
shares of the Company, pursuant to a merger, consolidation, recapitalization, reorganization or similar corporate transaction, which transaction would result in Asbestos Trust receiving any dividend, distribution, security, other property or payment
that differs from that which would be received by all other holders of common shares, then the approval of the holders of a majority of the common shares not owned or controlled by Asbestos Trust shall be required (in addition to approval by any
shareholder vote otherwise required, but approval of a majority of the disinterested directors, as such, shall not be required).
Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial
owner of at least 20% of the outstanding common shares, we shall not without the prior, written consent of Asbestos Trust:
(a) authorize
any new class of shares (i.e., other than the common shares or conventional preferred shares (as defined in our Articles));
(b) issue any
preferred shares, other than conventional preferred shares (as defined in the Articles); or
(c) adopt a shareholder rights plan that
provides some, but not all, holders of common shares the right to acquire our securities, for the purpose of making more difficult or expensive an acquisition of additional voting shares by a person or group acquiring more than a specified level of
ownership in us.
Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of
the outstanding common shares, our Board is required to present to the shareholders nominations of candidates for election to the Board (or recommend the election of such candidates as nominated by others) such that, and shall take such other
corporate actions as may be reasonably required to provide that, to the best knowledge of the Board, if such candidates are elected by the shareholders, at least a majority of the members of the Board shall be independent directors (determined in
accordance with the listing standards of the market on which the common shares are listed and in compliance with the standards of director independence required by Rule 10A-3 under the Exchange Act).
Our Articles provide that, until such time as Asbestos Trust first ceases to be the beneficial owner of at least 20% of the outstanding common
shares, the affirmative vote of Asbestos Trust would be required for the amendment of the provisions of the Articles described above.
Stockholder and
Registration Rights Agreement with Asbestos Trust
We are a party to the Stockholder and Registration Rights Agreement, dated as of
October 2, 2006, between us and Asbestos Trust. Certain of the provisions of our Articles and Bylaws regarding the rights, powers or privileges, or limitations on the rights, powers or privileges, of Asbestos Trust described above are also
contained in this agreement, which also contains certain other provisions governing our relationship with Asbestos Trust. The Stockholder and Registration Rights Agreement is incorporated by reference as Exhibit 10.1 to this Current Report on Form
8-K from the Current Report on Form 8-K filed on October 2, 2006, wherein it appeared as Exhibit 10.3.
Anti-Takeover Effects of Certain
Provisions
The following is a summary of certain provisions of the PBCL and our Articles and Bylaws that may be deemed to have an
anti-takeover effect and may delay, deter or prevent a tender offer or takeover attempt that a shareholder might consider to be in its best interest, including those attempts that might result in a premium over the market price for the shares.
Authorized but Unissued Shares
Our authorized but unissued common shares will be available for future issuance without approval by our shareholders. These additional shares
may be utilized for a variety of corporate purposes, including future public offerings to raise additional capital, corporate acquisitions and employee benefit plans. The existence of our authorized but unissued common shares could render more
difficult or discourage an attempt to obtain control over us by means of a proxy contest, tender offer, merger or otherwise.
Pennsylvania Anti-Takeover Statutes
We are organized under Pennsylvania law. In general, a corporation organized under Pennsylvania law is subject to various
"anti-takeover" provisions of the Pennsylvania Business Corporation Law of 1988, as amended (the "PBCL"), unless the corporation's articles of incorporation or, in certain cases, bylaws explicitly provide that these
provisions shall not apply to the corporation or another statutory exception applies. These "anti-takeover" provisions may delay or prevent a transaction that would cause a change in our control and they seek to discourage certain
fundamental changes, control transactions, business combinations and control-share acquisitions as well as to protect registered corporations from being exposed to and paying "greenmail."
Our Articles explicitly provide that Subchapters 25D, 25E, 25F, 25G and 25H of the PBCL, the "anti-takeover" statutes, will not
apply to us, except as may be required by law.
Other Provisions of Our Articles and Bylaws
Pursuant to our Articles, special meetings of shareholders can be called only by shareholders holding at least 20% of voting shares. In
addition, our Bylaws establish advance notice procedures with respect to shareholder proposals and the nomination of candidates for election of directors, other than nominations made by, or at the direction of, our Board or by Asbestos Trust. These
requirements may impede shareholders' ability to call special meetings, bring matters before a meeting of shareholders or make nominations for directors at a meeting of shareholders.
Our Articles do not provide for cumulative voting in the election of directors. Because cumulative voting might otherwise permit an insurgent
to gain Board representation even though it only owns a minority interest, the inability of our shareholders to vote cumulatively may impede or delay attempts to change of control of us.
Our Bylaws include provisions eliminating the personal liability of our directors and provisions indemnifying our directors and officers, in
each case to the fullest extent permitted by Pennsylvania law. The limitation of liability and indemnification provisions in our Bylaws may discourage shareholders from bringing a lawsuit against directors for breach of their fiduciary duty. These
provisions may also have the effect of reducing the likelihood of derivative litigation against directors and officers, even though a derivative action, if successful, might otherwise benefit us and our shareholders. In addition, the value of
investments in our securities may be adversely affected to the extent we pay the costs of settlement and damage awards against directors and officers pursuant to these indemnification provisions.
Our Articles may be amended, altered or repealed as provided by the PBCL with the exception that certain provisions regarding (i) the
number, terms of office and removal of directors, (ii) special meetings of shareholders, (iii) shareholder action by written consent and (iv) Asbestos Trust (see "Asbestos Trust" above) may only be amended, modified or
repealed by affirmative vote or written consent of the holders of at least 80% of our outstanding common shares.
Our Bylaws may be
amended, modified or repealed by either a (i) a majority vote of holders of the outstanding shares entitled to vote on the matter or (ii) majority vote of the total number of directors on the Board, except as otherwise provided by the
PBCL, the Articles or as is otherwise qualified in the Bylaws. Certain matters, such as changes in the number of directors, may require the prior written consent of Asbestos Trust. Until no shareholder beneficially owns at least 20% of our common
shares, the affirmative vote of at least 80% of shareholders is required for changes to certain provisions of the Bylaws, including provisions concerning director independence, shareholder voting at special meetings and action by written consent,
Board size and appointments to our nominating and governance committee.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
Exhibit
Number
Description
10.1
Stockholder and Registration Rights Agreement, dated as of October 2, 2006, by and between Armstrong World Industries, Inc. and the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust is incorporated by
reference from the Current Report on Form 8-K filed on October 2, 2006, wherein it appeared as Exhibit 10.3.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.
ARMSTRONG WORLD INDUSTRIES, INC.
(Registrant)
Date: September 9, 2013
By:
/s/ Mark A. Hershey
Mark A. Hershey
Senior Vice President, General Counsel and Secretary
EXHIBIT INDEX
Exhibit
Number
Description
10.1
Stockholder and Registration Rights Agreement, dated as of October 2, 2006, by and between Armstrong World Industries, Inc. and the Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust is incorporated by
reference from the Current Report on Form 8-K filed on October 2, 2006, wherein it appeared as Exhibit 10.3.