Press Release

Siltronic AG

Einsteinstrasse 172

81677 Munich

Germany

www.siltronic.com

Siltronic welcomes increase of offer price under GlobalWafers' Tender Offer

Munich, January 23, 2021. - Today GlobalWafers announced that the offer price under its tender offer to all Siltronic shareholders has been increased to EUR 145 per share due to alongside purchases by GlobalWafers at such price.

Siltronic's Executive Board welcomes the increased offer price and considers the tender offer attractive.

The increased offer price represents

- an increase of 16% over the original offer price of EUR 125

- a premium of 28% over the closing price of Siltronic's stock on November 27, 2020 (EUR 113.55)

- a premium of 52% over the volume-weighted XETRA share price during the three months prior to the announcement of the offer as of December 8, 2020 (EUR 95.18), and

- a premium of 71% over the volume-weighted XETRA share price during the 90 days prior to the announcement of advanced discussions as of November 27, 2020 (EUR 84.59).

Reference is made to the joint reasoned statement issued by the Executive Board and the Supervisory Board of Siltronic AG on December 22, 2020 and the recommendation to accept the offer and further information therein.

Contact:

Petra Müller
Head of Investor Relations & Communications
tel.: +49 (0)89 8564 3133
Email: [email protected]

Company profile:

Siltronic is one of the world's largest manufacturers of hyperpure silicon wafers and partner to many leading semiconductor companies. The company operates production sites in Asia, Europe and the USA. Siltronic develops and manufactures silicon wafers in diameters of up to 300 mm. Silicon wafers form the basis for modern microelectronics and nanoelectronics and are a key component in semiconductor chips driving computers, smartphones, navigation systems and many other applications. Siltronic AG employs around 3,600 people and is a stock-listed company in Germany (Prime Standard). Siltronic shares are included in the MDAX and TecDAX.

Disclaimer:

Only the reasoned statement of the Executive Board and Supervisory Board is authoritative. The information in this press release does not constitute an explanation or supplement to the contents in the reasoned statement.