Notification pursuant to Chapter 9, Section 10 of the Finnish Securities Markets Act

Vacon Plc, Stock Exchange Release, 2 December 2014 at 3.55 p.m. (EET)

Vacon Plc (ID 1519966-5) ("Vacon") has on 2 December 2014 received a notification of major shareholdings pursuant to Chapter 9, Section 5 of the Finnish Securities Market Act.

1. Full name of the issuer of shares:
Vacon Plc

2. Full name of the person subject to the notification obligation:
Ameriprise Financial, Inc.

3. Chain of controlled undertakings:
Columbia Wanger Asset Management, LLC is wholly owned by Columbia Management Investment Advisers, LLC, which is wholly owned by Ameriprise Financial, Inc.

Threadneedle Asset Management Ltd is wholly owned by TC Financing Limited, which is itself wholly owned by Threadneedle Asset Management Holdings Limited, which is itself wholly owned by TAM UK Holdings Ltd, which is itself wholly owned by Threadneedle Holdings Limited, which is itself wholly owned by Threadneedle Asset Management Holdings SARL, which is itself wholly owned by Ameriprise Financial, Inc.

4. Date on which the flagging threshold is reached or crossed:
1 December 2014

5. Reason for the notification:
Columbia Wanger Asset Management, LLC and Threadneedle Asset Management Ltd each manage client accounts which hold, or held prior to 1 December 2014, shares of Vacon. On 1 December 2014, the combined direct and indirect shareholding of Ameriprise Financial, Inc. and entities controlled by it has decreased below the threshold of 5 per cent of Vacon's shares and voting rights.

Vacon Plc has a total of 30,590,000 shares. The company has only one class of shares and each share entitles to one vote.

VACON PLC

Further information:

Vacon in brief

Vacon is driven by a passion to develop, manufacture and sell the best AC drives and inverters in the world - and provide customers with efficient product lifecycle services. Our AC drives offer optimum process control and energy efficiency for electric motors. Vacon inverters play a key role when energy is produced from renewable sources. Vacon has production and R&D facilities in Europe, Asia and North America, and sales offices in 31 countries. Further, Vacon has sales representatives and service partners in nearly 90 countries. In 2013, Vacon's revenues amounted to EUR 403.0 million, and the company employed globally approximately 1,600 people. The shares of Vacon Plc (VAC1V) are quoted on the main list of the Helsinki stock exchange (NASDAQ OMX Helsinki). Vacon is part of Danfoss Group

Driven by Drives, www.vacon.com

Distribution:

NASDAQ OMX Helsinki
Financial Supervisory Authority
Main media