Announcement for the availability of the Prospectus of

 «MYTILINEOS HOLDINGS SA»

The company "MYTILINEOS HOLDINGS SA" (the "Company") announces pursuant to Regulation (EC) 809/2004 of the Commission of the European Communities and law 3401/2005, as in force, that since 15.06.2017 makes available to the investors, the Prospectus, as approved by the meeting of board of directors of the Capital Markets Commission dated 15.06.2017, in relation to the issuance by the Company of a common bond loan (the "CBL"), of a total amount of up to €300,000,000, of a duration of five (5) years, divided into up to 300,000 dematerialized, common, bearer bonds, each of a nominal value of €1,000 (the "Bonds"), in accordance with the resolution of the Company's board of directors dated 08.06.2017. The Bonds that will be issued, will be offered for subscription by investors by way of a public offer (the "Public Offer"), with use of the electronic book-building service ("E.BB") of Athens Exchange and will be admitted for trading in the category of Fixed Income Securities of the Organized Market of the Athens Exchange (the "Athens Exchange").

Athens Exchange ascertained on 15.6.2017 the admission for trading in the category of Fixed Income Securities of the Organized Market of the Athens Exchange of up to 300,000 dematerialized, common, bearer bonds, under the condition of Capital Markets Commission's approval of the Prospectus and the success of the Public Offer.

The indicative timetable for completion of the Public Offer is as follows:

*In the event that the Issue is aborted, the investors will be informed on the method and date of release of funds within two business days.

The timetable is dependent upon a number of unforeseeable  factors and is, therefore, subject to change. In such an event the Company will make a relevant announcement to the investors.

The Prospectus, as approved by the board of directors of the Capital Markets Commission on 15.06.2017, is available in an electronic form on the website of: Hellenic Exchanges - Athens Exchange (athexgroup.gr/el/web/guest/companies-new-listings), Hellenic Capital Markers Commission (www.hcmc.gr/el_GR/web/portal/elib/deltia), the Company (http://www.mytilineos.gr/Uploads/enhmerotiko_deltio.pdf), Eurobank Ergasias S.A. (https://www.eurobank.gr/online/home/generic.aspx?id=1355&mid=363&lang=gr), National Bank of Greece S.A. (https://www.nbg.gr/el/news), Alpha Bank S.A. (http://www.alpha.gr/page/default.asp?la=1&id=5224), Piraeus Bank SA (http://www.piraeusbankgroup.com/mytilineos), Euroxx Securities S.A. (http://www.euroxx.gr/gr/content/article/MYTIL), Investment Bank of Greece (http://ibg.gr/enimerotika-kai-pliroforiaka-deltia), Pantelakis Securities SA (http://www.pantelakis.gr/Pantelakis/%CE%B5%CE%BC%CF%86%CE%AC%CE%BD%CE%B9%CF%83%CE%B7-%CE%BD%CE%AD%CF%89%CE%BD/2015/08/24/%CE%B5%CF%80%CE%B9%CE%BA%CE%B1%CE%B9%CF%81%CF%8C%CF%84%CE%B7%CF%84%CE%B1---%CE%B5%CF%84%CE%B1%CE%B9%CF%81%CE%B9%CE%BA%CE%AC-%CE%BD%CE%AD%CE%B1), and NBG Securities (www.nbgsecurities.com).

Moreover, the Prospectus if so requested, shall be available to investors in hardcopy, free of charge, at the Company's offices and at the Underwriters network and offices, throughout the term of the Public Offer. For more information: http://www.mytilineos.gr/el-gr/investor-relations/of-mytilineos-group , tel: 210-6877436.

Athens, 15.06.2017

MYTILINEOS HOLDINGS SA