Free Writing Prospectus Filed Pursuant to Rule 433
Registration Statement No. 333-214867
Dated December 1, 2016

FOR IMMEDIATE RELEASE
FAIRMOUNT SANTROL ANNOUNCES SECONDARY COMMON STOCK OFFERING
CHESTERLAND, Ohio – December 1, 2016 – Fairmount Santrol (NYSE:FMSA), a leading provider of high-performance sand and sand-based products, today announced that its principal stockholder, ASP FML Holdings, LLC (the “Selling Stockholder”), an affiliate of American Securities LLC, a leading U.S. private equity firm, is selling 15,000,000 shares of Fairmount Santrol common stock that it currently owns in an underwritten public offering. Fairmount Santrol will not receive any proceeds from the sale of shares in the offering.
The Selling Stockholder also intends to grant the underwriter a 30-day option to purchase up to an additional 2,250,000 shares of common stock. Prior to this offering, the Selling Stockholder beneficially owned approximately 31.9% of the Company’s outstanding common stock. Upon completion of the offering, the Selling Stockholder will own approximately 25.2% of the Company’s outstanding common stock (or approximately 24.2% if the underwriter exercises its option in full).
The underwriter may offer the shares from time to time in one or more transactions on the New York Stock Exchange, in the over-the-counter market, through negotiated transactions or otherwise at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices. The offering is expected to close on December 7, 2016, subject to customary closing conditions.
Morgan Stanley & Co. LLC is acting as the sole underwriter for the offering. This offering is being made pursuant to an effective shelf registration statement filed by Fairmount Santrol with the Securities and Exchange Commission. A prospectus supplement relating to the common stock offering will be filed with the Securities and Exchange Commission. When available, a copy of the prospectus for the offering may be obtained by sending a request to: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd floor, New York, NY 10014.
This press release shall not constitute an offer to sell or the solicitation of an offer to buy the Company’s common stock or any other securities, and there shall not be any offer, solicitation or sale of securities mentioned in this press release in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.
About Fairmount Santrol
Fairmount Santrol is a leading provider of high-performance sand and sand-based products used by oil and gas exploration and production companies to enhance the productivity of their wells. The Company also provides high-quality products, strong technical leadership and applications knowledge to end users in the foundry, building products, water filtration, glass, and sports and recreation markets. Its extensive logistics capabilities include a wide-ranging network of distribution terminals and railcars that allow the Company to effectively serve customers wherever they operate. As one of the nation’s longest continuously operating mining organizations, Fairmount Santrol has developed a strong commitment to all three pillars of sustainable development, People, Planet and Prosperity. Correspondingly, the Company’s motto and action orientation is: “Do Good. Do Well.”

Forward-Looking Statements
Certain statements contained in this press release constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements represent the Company’s expectations or beliefs concerning future events, and it is possible that the results described in this press release will not be achieved. These forward-looking statements are subject to risks, uncertainties and other factors, many of which are outside of the Company’s control that could cause actual results to differ materially from the results discussed in the forward-looking statements. These factors include: changes in prevailing economic conditions, including continuing pressure on and fluctuations in demand for, and pricing of, our products; loss of, or reduction in business from the Company’s largest customers or their failure to pay the Company; possible adverse effects of being leveraged, including interest rate, event of default or refinancing risks, as well as potentially limiting the Company’s ability to invest in certain market opportunities; the level of cash flows generated to provide adequate liquidity; our ability to successfully develop and market new products, including Propel SSP™; our rights and ability to mine our property and our renewal or receipt of the required permits and approvals from government authorities and other third parties; our ability to implement and realize efficiencies from capacity expansion plans and cost reduction initiatives within our time and budgetary parameters; increasing costs or a lack of dependability or availability of transportation services or infrastructure and geographic shifts in demand; changing legislative and regulatory initiatives relating to our business, including environmental, mining, health and safety, licensing, reclamation and other regulation relating to hydraulic fracturing (and changes in their enforcement and interpretation); silica-related health issues and corresponding litigation; seasonal and severe weather conditions; and other operating risks that are beyond our control.
Any forward-looking statement speaks only as of the date on which it is made, and, except as required by law, the Company does not undertake any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. New factors emerge from time to time, and it is not possible for the Company to predict all such factors. When considering these forward-looking statements, you should keep in mind the risk factors and other cautionary statements in Fairmount Santrol Holdings Inc.’s filings with the Securities and Exchange Commission (“SEC”). The risk factors and other factors noted in our filings with the SEC could cause our actual results to differ materially from those contained in any forward-looking statement.
OFFERING SPECIFIC NOTICE
Canada
The securities may be sold only to purchasers purchasing, or deemed to be purchasing, as principal that are accredited investors, as defined in National Instrument 45-106 Prospectus Exemptions or subsection 73.3(1) of the Securities Act (Ontario), and are permitted clients, as defined in National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations . Any resale of the securities must be made in accordance with an exemption from, or in a transaction not subject to, the prospectus requirements of applicable securities laws.

Securities legislation in certain provinces or territories of Canada may provide a purchaser with remedies for rescission or damages if this prospectus (including any amendment thereto) contains a misrepresentation, provided that the remedies for rescission or damages are exercised by the purchaser within the time limit prescribed by the securities legislation of the purchaser’s province or territory. The purchaser should refer to any applicable provisions of the securities legislation of the purchaser’s province or territory for particulars of these rights or consult with a legal advisor.
Pursuant to section 3A.3 (or, in the case of securities issued or guaranteed by the government of a non-Canadian jurisdiction, section 3A.4) of National Instrument 33-105 Underwriting Conflicts (NI 33-105), the underwriter are not required to comply with the disclosure requirements of NI 33-105 regarding underwriter conflicts of interest in connection with this offering.
Investor contact:
Sharon Van Zeeland
440-279-0204
Sharon.VanZeeland@fairmountsantrol.com
Media contact:
Kristin Lewis
440-279-0245
Kristin.Lewis@fairmountsantrol.com

Source: Fairmount Santrol