ASTM S p A : VOLUNTARY TENDER OFFER FOR ALL OF THE ORDINARY SHARES OF ASTM S.P.A. LAUNCHED BY NAF 2 S.P.A. - PRESS RELEASE pursuant to Article 38, paragraph 2, of the Regulation issued by CONSOB with Resolution No. 11971 of 14 May 1999, as subsequently amended and supplemented (“Issuers’ Regulation”). PUBLICATION OF THE OFFER DOCUMENT

THE RELEASE, PUBLICATION OR DISTRIBUTION OF THIS COMMUNICATION IS NOT PERMITTED IN ANY COUNTRY WHERE SUCH COMMUNICATION WOULD VIOLATE THE RELEVANT APPLICABLE REGULATION

VOLUNTARY TENDER OFFER FOR ALL OF THE ORDINARY SHARES OF ASTM S.P.A. LAUNCHED BY NAF 2 S.P.A.

PRESS RELEASE

pursuant to Article 38, paragraph 2, of the Regulation issued by CONSOB with Resolution No. 11971 of 14 May 1999, as subsequently amended and supplemented ("Issuers' Regulation").

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PUBLICATION OF THE OFFER DOCUMENT

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Tortona, 2 April 2021 - Pursuant to Article 38, paragraph 2, of the Issuers' Regulation, NAF 2 S.p.A. (the "Offeror") announces that on the date hereof it has published the offer document (the "Offer Document") approved by CONSOB with resolution No. 21786 of 1 April 2021, related to the voluntary tender offer (the "Offer") pursuant to Articles 102 et seq. of the Legislative Decree no.58 of 24 February 1998, as subsequently amended and supplemented ("CFA"), launched by the Offeror on No. 66.937.880 ordinary shares (the "Shares") of ASTM S.p.A. ("ASTM", the "Issuer" or the "Company"), a company with shares listed on the Mercato Telematico Azionario, organized and managed by Borsa Italiana S.p.A.

The Offer Document has made available to the public for consultation at:

1. NAF 2 S.p.A.'s registered office, in Tortona (AL), Corso Romita No. 10;
2. ASTM's registered office, in Turin, Corso Regina Margherita No. 165;
3. UniCredit Bank AG, Milan Branch's registered office (the intermediary in charge of coordinating the collection of acceptances) in Milan, Piazza Gae Aulenti No. 4, Torre C, and the registered offices of the intermediaries appointed for coordinating the collection of subscriptions (intermediari incaricati del coordinamento della raccolta delle adesioni);
4. ASTM's website www.astm.it.

The Offer Document is also made available to the public on the website of the Global Information Agent (www.morrowsodali-transactions.com).

In accordance with Article 103, paragraph 3 of the CFA and Article 39 of the Issuers' Regulation, the Board of Directors of ASTM shall announce to the market, by the day preceding the initial day of the acceptance period, a press release providing all necessary details regarding the Offer and its assessment of the Offer, which will be accompanied by the opinion of an independent expert utilised by the Board of Directors of ASTM.

Considering that the Offer is also conducted in the United States of America, in order to comply with the rules and exemptions provided by US law, a translation in English language of the Offer

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Document will be published for the benefit of the holders of the Issuer's shares resident in the United States of America.

Pursuant to Article 40, paragraph 2, of the Regulation issued by CONSOB with Resolution No. 11971 of 14 May 1999, as subsequently amended and supplemented (the "Issuers' Regulation"), the acceptance period to the Offer (the "Acceptance Period"), agreed with Borsa Italiana, will start at 8:30 (Italian time) on 13 April 2021 and will end at 17:30 (Italian time) on 10 May 2021 (first and last day included), and will therefore consist of 20 trading days (unless extended). Thus, 10 May 2021 will be the last day to adhere to the Offer, unless the Acceptance Period is extended, and without prejudice to the possible Reopening of the Terms (as defined below).

On the fifth trading day following the end of the Acceptance Period, i.e. on 17 May 2021 (the "Payment Date"), the Offeror will pay to each adhering shareholder a consideration amounting to Euro 25.60, fully paid in cash, for each share tendered to the Offer.

If conditions are met, pursuant to Article 40-bis, paragraph 1, letter a), of the Issuers' Regulation, the Acceptance Period will be reopened for five consecutive trading days starting from the trading day following the Payment Date and, therefore, unless the Acceptance Period is extended, for the trading sessions of 18, 19, 20, 21 and 24 May 2021 from 8:30 to 17:30 (the "Reopening of the Terms"). In case of Re-opening of the Tender Period, the Price related to the shares tendered in the Offer during the Re-opening of the Tender Period will be paid on 31 May 2021 (unless extended).

For additional information on the terms and conditions of the Offer please refer to the Offer Document.

COMMUNITY - Strategic Communications Advisers

Auro Palomba [phone] [e-mail]

Marco Rubino di Musebbi, [phone] [e-mail]

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This notice does not represent, nor does intend to represent an offer, invitation or solicitation to buy or otherwise acquire, subscribe, sell or otherwise dispose of financial instruments, and no sale, issue or transfer of financial instruments of ASTM S.p.A. will be made in any country in breach of the regulations applicable therein.

The Offer will be launched through the publication of the relevant Offer document subject to the approval of CONSOB. The Offer document will contain the full description of the terms and conditions of the said Offer, including the manner in which it can be accepted.

The Offer is being launched in Italy, since the shares are listed on Mercato Telematico Azionario of the Stock Exchange Market organised and managed by Borsa Italiana S.p.A. and, except as indicated below, is subject to the disclosure and procedural requirements provided by Italian law.

To the extent applicable, the Offer is also conducted in the United States in accordance with the applicable provisions of Section 14(e) of the U.S. Securities Exchange Act of 1934 (the "Exchange Act") and Regulation 14E adopted under the Exchange Act, and subject to the exemptions provided by Rule 14d-1 under the Exchange Act ("Cross-BorderExemptions").

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US shareholders should note that the disclosure and procedural requirements applicable to the Offer differ significantly from those that would be applicable to a tender offer pursuant to the US tender offer rules, including the requirements that would be applicable absent the Cross-Border Exemptions.

Depending on market conditions, and to the extent permissible under applicable laws and regulations, including Rule 14e-5 under the Exchange Act, and in accordance with applicable Italian practice, the Offeror and/or the Persons Acting in Concert reserve the right to purchase on the market, at any time after the date of this Notice, Issuer's Shares outside the Offer, for the purpose of further increasing such persons' shareholding in the Issuer's share capital. To the extent information relating to such purchases it is made public in Italy, such information will be disclosed by means of a press release or other means of communication of equivalent scope in order to inform the Issuer's U.S. shareholders. No purchases will be made outside of the Offer in the United States of America by or on behalf of the Offeror and/or Persons Acting in Concert.

An Offer Document translated into English will be made available to the holders of the Shares resident in the United States of America. The English version of the Offer Document will be merely a courtesy translation and the Italian version of the Offer Document will be the only document submitted to CONSOB for its approval.

Neither the US Securities Exchange Commission (SEC) nor any state securities commission in the United States have approved or disapproved this Offer nor will they pass upon the adequacy or completeness of the Offer Document or any other documentation relating to the Offer.

The Offer has not been and will not be conducted or disseminated in Canada, Japan and Australia, as well as in any other country in which such Offer is not permitted in the absence of authorization from the competent authorities or other obligations by the Offeror (collectively the "Other Countries").

This Press Release does not constitute and cannot be interpreted as an offer to purchase or solicitation of an offer to sell financial instruments to parties resident in Other Countries. No instrument may be offered and/or sold in the Other Countries in the absence of specific authorization in compliance with the applicable provisions of the local law of said countries or in derogation of said provisions.

Acceptance of the Offer by parties resident in countries other than Italy and U.S. may be subject to specific obligations or restrictions provided by law or regulatory provisions. Parties who wish to take part in the Offer bear the exclusive responsibility to comply with those laws and therefore prior to accepting the Offer, those parties are required to verify their possible existence and applicability, consulting their own advisors.

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