Morgan Stanley MUFG Securities Co., Ltd.+ Takato WatabeEquity Analyst Nikkei Reports Shin-Etsu toBuild New Rare Earth Refinery Takato.Watabe@morganstanleymufg.com+81 3 6836-5436Ryoichi Watanabe Equity AnalystRyoichi.Watanabe@morganstanleymufg.com+81 3 6836-8929 Kayoko ShojiResearch AssociateKayoko.Shoji@morganstanleymufg.com +81 3 6836-5437 Kano FujitaResearch AssociateKano.Fujita@morganstanleymufg.com +81 3 6836-8932 We see this as a potential high‑return investment project:The front page of theJun 11 Nikkei reported that Shin‑Etsu Chemical plans to build new rare earthproduction facilities in Fukui Prefecture. The company has not issued press releasesetc. on the matter. The report indicates the company will invest at least ¥35bn toestablish rare earth refining facilities, of which about ¥17.5bn would be covered bygovernment subsidies. We believe a key strength of the company’s rare earthbusiness lies in its integrated structure, from refining raw rare earth materialsthrough to final processing, enabling flexible responses to customer requirements.Production currently involves separation and refining in Takefu (Fukui) and Vietnam, Shin-Etsu Chemical (4063.T, 4063 JT) Electronic Chemicals|Japan Stock RatingIndustry ViewPrice targetShr price, close (Jun 10, 2026)Mkt cap, curr, basic (bn)Avg daily trading value (bn) Related reports: Shin-Etsu Chemical: RP in F3/29 to Top ¥1trn for First Time Since F3/23 (26 May Shin-Etsu Chemical: Japan Summit 2026 Feedback: Reaffirming Source of Company's Morgan Stanley does and seeks to do business withcompanies covered in Morgan Stanley Research. As a result,investors should be aware that the firm may have a conflict ofinterest that could affect the objectivity of Morgan StanleyResearch. Investors should consider Morgan Stanley Shin-Etsu Chemical: F3/26 Results: Signal for Major Revival (28 Apr 2026) For analyst certification and other important disclosures,refer to the Disclosure Section, located at the end of thisreport. += Analysts employed by non-U.S. affiliates are not registeredwith FINRA, may not be associated persons of the memberand may not be subject to FINRA restrictions oncommunications with a subject company, public appearancesand trading securities held by a research analyst account. Valuation Methodology and Risks Shin-Etsu Chemical (4063.T) F3/28e EV/EBITDA 12.1x; considering the diversified business portfolios of companies in theelectronic materials industry, we use a SoTP approach for setting our price targets. SegmentEV/EBITDAs (referencing listed peer levels) are as follows: 8.5x for Infrastructure materials, Risks to Upside nFluctuations in the operating rate of core businesses due to changes in the semicon-ductor market and other factorsnStrong trend for US housing marketsRisks to Downside nJump in depreciation costs from major capacity upgrades for semiconductor siliconnSignificant fluctuations in exchange rates (¥1 rise vs. US$ pares ~¥3.9bn from annual RP,vs. € ~¥200mn)nOur assumptions for 2Q F3/27 onwards: ¥155/$, ¥180/€ Disclosure Section The information and opinions in Morgan Stanley Research were prepared by Morgan Stanley MUFG Securities Co., Ltd. and its affiliates (collectively, "Morgan Stanley").For important disclosures, stock price charts and equity rating histories regarding companies that are the subject of this report, please see the Morgan Stanley Research Disclosure Websiteat www.morganstanley.com/eqr/disclosures/webapp/generalresearch, or contact your investment representative or Morgan Stanley Research at 1585 Broadway, (Attention: Research For valuation methodology and risks associated with any recommendation, rating or price target referenced in this research report, please contact the Client Support Team as follows: US/Canada+1 800 303-2495; Hong Kong +852 2848-5999; Latin America +1 718 754-5444 (U.S.); London +44 (0)20-7425-8169; Singapore +65 6834-6860; Sydney +61 (0)2-9770-1505; Tokyo +81(0)3-6836-9000. Alternatively you may contact your investment representative or Morgan Stanley Research at 1585 Broadway, (Attention: Research Management), New York, NY 10036 USA. Analyst Certification The following analysts hereby certify that their views about the companies and their securities discussed in this report are accurately expressed and that they have not received and will not Global Research Conflict Management Policy Morgan Stanley Research has been published in accordance with our conflict management policy, which is available at www.morganstanley.com/institutional/research/conflictpolicies. APortuguese version of the policy can be found at www.morganstanley.com.br Important Regulatory Disclosures on Subject Companies As of May 29, 2026, Morgan Stanley beneficially owned 1% or more of a class of common equity securities of the following companies covered in Morgan Stanley Research: Dexerials, Kuraray, Within the last 12 months, Morgan Stanley managed or co-managed a public offering (or 144A