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): November 18, 2013

SCHWEITZER-MAUDUIT INTERNATIONAL, INC.

(Exact name of registrant as specified in its charter)

Delaware	62-1612879
(State or other jurisdiction of incorporation)	(I.R.S. Employer Identification No.)

100 North Point Center East, Suite 600

Alpharetta, Georgia 30022

1-800-514-0186

(Address, including zip code, and telephone number, including

area code, of registrant’s principal executive offices)

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 7.01Regulation FD Disclosure.

On November 18, 2013, Schweitzer-Mauduit International, Inc. (the “Company”) issued a press release announcing that it had entered into a definitive agreement to acquire DelStar, Inc. for a purchase price of $231.5 million in cash (subject to certain customary post-closing adjustments).

The Company has scheduled a conference call and simultaneous webcast for 8:30 a.m. Eastern Time on Tuesday, November 19, 2013 to discuss this transaction. The investor slides to be presented during the conference call are attached hereto as Exhibit 99.1. To access the live and/or archived event, access this link:

http://event.on24.com/r.htm?e=724483&s=1&k=581B8BA4E3EC876AB069EA6B29264A2C.

The call can be accessed by dialing 800-803-9108 or 706-758-2470 for international calls, with access code 13667573. The information contained in, or that can be accessed through, the Company’s website is not part of, and is not incorporated into, this Current Report on Form 8-K or other filings the Company makes with the U.S. Securities and Exchange Commission.

The foregoing information in this Item 7.01 (including the exhibit hereto) is being furnished under “Item 7.01. Regulation FD Disclosure.” Such information (including the exhibit hereto) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any registration statement or other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01.FINANCIAL STATEMENTS AND EXHIBITS

(d)Exhibits.

The following exhibit is furnished herewith:

99.1 Investor presentation, dated November 19, 2013.

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.

Schweitzer-Mauduit International, Inc.

By:/s/ Jeffrey A. Cook

Jeffrey A. Cook

Executive Vice President,

Chief Financial Officer & Treasurer

Dated: November 19, 2013

EX-99.1

© 2013 Schweitzer-Mauduit International, Inc. Confidential 1 Investor Conference Call DelStar Acquisition November 19th, 2013

© 2013 Schweitzer-Mauduit International, Inc. Confidential This presentation may contain “forward-looking statements.” All statements that address operating performance, events or developments that we expect or anticipate will occur in the future are forward-looking statements. Caution should be taken not to place undue reliance on any such forward-looking statements because actual results may differ materially from the results suggested by these statements. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. In addition, forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from our historical experience and present expectations or projections. These risks and uncertainties include, but are not limited to, those described in Part I, “Item 1A. Risk Factors” and elsewhere in our Quarterly Report on Form 10-Q for the quarter ended September 30, 2013, and those described from time-to-time in our periodic and other reports filed with the Securities and Exchange Commission. Safe Harbor Statement 2

© 2013 Schweitzer-Mauduit International, Inc. Confidential M&A Process Overview FREDERIC VILLOUTREIX CHAIRMAN AND CHIEF EXECUTIVE OFFICER 3

© 2013 Schweitzer-Mauduit International, Inc. Confidential Summary DelStar is a niche player in specialty filtration and other critical components with high growth, attractive margins, and a strong strategic fit with SWM’s diversification priorities © 2013 Schweitzer-Mauduit International, Inc. All rights reserved. Confidential Company • DelStar mainly produces highly engineered netting and tubing components for the growing reverse osmosis water filtration industry as well as serving other filtration industries; the company also has a niche position in medical pads and bandages • Annual revenue of $110 million; high-teens EBITDA margin Industry • ~70% of revenue is to filtration industry, with a heavy emphasis on water filtration; these segments are expected to grow in the 6% - 11% range over the next several years • DelStar has solid footholds in several niche sub-segments of the filtration space Transaction • $231.5 mm purchase price excluding transaction fees and other one-time expenses • Funded through debt; however, SWM’s post-close leverage will remain conservative; expected close on or before December 31, 2013 • Expected EPS impact to be detailed on fourth quarter 2013 earnings release early next year Fit • DelStar has many appealing characteristics, including a proven track record for high growth, servicing customers with highly engineered products, leading niche positions, and solid profit margins • While a large portion of revenue is concentrated in the fast-growing water filtration industry, DelStar’s numerous other products and diverse customer base offer a solid platform for further expansion into filtration DelStar will serve as the cornerstone investment as we greatly expand our presence in specialty filtration. Strong organic prospects and healthy follow-on acquisition pipeline are expected to deliver strong growth and high returns to SWM shareholders

Company Overview © 2010 Schweitzer-Mauduit International, Inc. All rights reserved. Confidential 5 © 2013 Schweitzer-Mauduit International, Inc. All rights reserved. Confidential DelStar produces highly engineered filtration components, several niche products have secured strong footholds in water, industrial, and healthcare sub-segments Plastic Netting Films Plastic Tubes Non-Wovens Filtration Brine Seal Naltex Current Product Reverse Osmosis Water Filter Anti Telescoping Device Feed Feed Permeate Permeate Coretec Center Tube Concentrate Healthcare Industrial

© 2013 Schweitzer-Mauduit International, Inc. Confidential 6 Strategic Highlights Blue-chip, long tenured customers • Many customers rely on critical DelStar components with many having 20+ year relationship • Sole supplier on to key customers in many instances Nearly 70% of business is in steady growth industry • Sales related to reverse osmosis water filtration which has a strong growth outlook of 10%+/year • The RO segment is made up of new, large-scale capex builds and ongoing replacements for existing facilities • Sales related to broader filtration and carries a steady growth projection Product category leader in reverse osmosis • DelStar is a leading supplier of key components to all the major membrane and filtration producers • Filtration is a very large segment, offering DelStar an opportunity to leverage its category leadership position into new related product sales to the same end customers Innovative product engineering • Focused product engineering/development with blue chip customers on product enhancements/extension • Recent success include partnerships with large industrial and healthcare customers Potential for SWM organic growth via cross- selling • SWM has capabilities to co-develop papers for use in multiple filtration applications via access to DelStar’s customers • DelStar can leverage SWM’s global infrastructure for expansions into other geographies Operational improvement opportunities • DelStar has made great strides with cost reductions; SWM’s expertise in Operational Excellence could accelerate progress Roll-up strategy in multiple areas • DelStar will serve as new filtration critical component platform for SWM • Multiple, actionable opportunities within DelStar’s segment, new adjacencies

© 2013 Schweitzer-Mauduit International, Inc. Confidential © 2013 Schweitzer-Mauduit International, Inc. All rights reserved. Confidential Closing Comments Q & A