Okmetic Oyj: Disclosure under chapter 9, section 5 of the Finnish Securities Market Act

OKMETIC OYJ        STOCK EXCHANGE RELEASE     20 JUNE 2016     AT 7.00 P.M.

OKMETIC OYJ: DISCLOSURE UNDER CHAPTER 9, SECTION 5 OF THE FINNISH SECURITIES MARKETS ACT

Okmetic Oyj (Nasdaq Helsinki OKM1V) ("Okmetic") has received a notification in accordance with Chapter 9, Section 5 of the Finnish Securities Markets Act from NSIG Finland S.à r.l. and National Silicon Industry Group.

According to the notification received from NSIG Finland S.à r.l. and National Silicon Industry Group ("NSIG"), the total holdings of NSIG and its controlled undertakings in Okmetic have today exceeded 90 percent. According to the notification, NSIG Finland S.à r.l. now holds 16,169,894 shares in Okmetic, which corresponds to 93.54 percent of all the shares and votes in the company, as well as 601,000 option rights of Okmetic entitling to subscribe for 601,000 shares in Okmetic, which corresponds to 3.48 percent of all the shares and votes in the company.

According to the notification received from NSIG Finland S.à r.l. and NSIG:

Total positions of person(s) subject to the notification obligation:

Notified details of the resulting situation on the date on which the threshold was crossed or reached:
A: Shares and voting rights:

B: Financial instruments according to SMA 9:6a:

Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity:

According to the notification received from NSIG Finland S.à r.l. and NSIG:

• The completion trades for the shares and option rights tendered into NSIG Finland S.à r.l.'s ("NSIG Finland") public tender offer for all the shares and option rights in Okmetic Oyj have been executed on 20 June 2016. All the completion trades will be settled on or about 22 June 2016, whereby the title to the shares and option rights tendered into the tender offer will pass to NSIG Finland.
   
• The option rights tendered into the tender offer entitle their holders to subscribe either existing treasure shares held by Okmetic or new shares issued by Okmetic. Based on the information published by Okmetic, Okmetic currently holds 406,129 treasury shares.
   
• In accordance with the Finnish Securities Market Act and the guidelines issued by the Finnish Financial Supervisory Authority, the ownership percentages notified in the notification have been calculated against the current total number of shares and votes published by Okmetic (including the treasury shares held by Okmetic, i.e. 406,129 shares and votes in total), and not taking into account the fact that also new shares could be issued based on the option rights.

The total number of shares in Okmetic is 17,287,500. Each share entitles its holder to one vote.

OKMETIC OYJ

Juha Jaatinen
Senior Vice President, Finance, IT and Communications

For further information, please contact:

Senior Vice President, Finance, IT and Communications Juha Jaatinen
tel. +358 9 5028 0286, email: juha.jaatinen@okmetic.com

Okmetic supplies tailored, high value-added silicon wafers to be used in the manufacture of sensors as well as discrete semiconductors and analog circuits. Okmetic's strategic objective is profitable growth driven by a product portfolio designed to meet customers' current and future technology needs. The core of the company's operations is being genuinely close to the customers and understanding their needs and processes.

Okmetic's global sales network, extensive portfolio of high value-added products, in-depth knowledge of crystal growing, long-term product development projects, as well as efficient and flexible production create prerequisites for achieving the strategic targets. The company's headquarters is located in Finland, where the majority of the company's silicon wafers is manufactured. In addition to in-house manufacture, Okmetic has contract manufacturing in Japan and China. Okmetic's shares are listed on Nasdaq Helsinki Ltd. under the code OKM1V. For more information on the company, please visit our website at www.okmetic.com.