NOTIFICATION OF A CHANGE IN HOLDINGS AS REQUIRED BY CHAPTER 2, SECTION 10 OF THE FINNISH SECURITIES MARKETS ACT

OKMETIC OYJ STOCK EXCHANGE ANNOUNCEMENT  8 SEPTEMBER 2010 AT 1.30 P.M.

NOTIFICATION OF A CHANGE IN HOLDINGS AS REQUIRED BY CHAPTER 2, SECTION 10 OF THE
FINNISH SECURITIES MARKETS ACT

Okmetic Oyj has received notification that on 3 September 2010 the total
holdings that OP-Suomi Arvo Equity Fund (Trade Register number 1878493-1), a
mutual investment fund governed by OP Fund Management Company Ltd, which is a
subsidiary of OP Bank Group Central Cooperative, has in the Company lowered to
800,000 shares. This corrensponds to 4.628 percent of Okmetic's share capital
and voting rights.

Okmetic Oyj's share capital as recorded in the Trade Register comprises a total
of 17,287,500 shares. 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 Juha Jaatinen, Okmetic Oyj
tel. +358 9 5028 0286, e-mail: juha.jaatinen@okmetic.com


Distribution:

NASDAQ OMX Helsinki
Principal media
www.okmetic.com

OKMETIC IN BRIEF

Take it higher

Okmetic is a technology company which supplies tailor-made silicon wafers for
sensor and semiconductor industries and sells its technological expertise to
solar cell industry. Okmetic provides its customers with solutions that boost
their competitiveness and profitability.

Okmetic's silicon wafers are part of a further processing chain that produces
end products that improve human interaction and quality of life. Okmetic's
products are based on high-tech expertise that generates added value for
customers, innovative product development and an extremely efficient production
process.

Okmetic has a global customer base and sales network, production plants in
Finland and the US and contract manufacturers in Japan and China. Okmetic's
shares are listed on NASDAQ OMX Helsinki under the code OKM1V. For more
information on the company, please visit our website at www.okmetic.com.


[HUG#1443222]