Investor AB

Major Shareholding Notification • Dec 16, 2010

Press Release

Stockholm, December 16, 2010

Investor has entered into a forward transaction relating to 8 million shares in the NASDAQ OMX Group

Investor and Nomura have entered into a share forward transaction, with Investor as the forward purchaser, relating to 8.0 million shares of common stock of the NASDAQ OMX Group. The transaction has a forward purchase price of USD 21.8 per share and a total forward purchase price of USD 175 m. The delivery of shares is subject to customary regulatory approval.

Currently Investor holds approximately 9.0 million shares in NASDAQ OMX Group, corresponding to 4.6 percent of the outstanding shares, purchased over the past year for a total consideration of approximately USD 180 m. In the event of physical delivery of the shares, Investor will hold approximately 17 million shares in NASDAQ OMX Group, corresponding to 9.7 percent of the outstanding shares, adjusted for the share repurchase by NASDAQ OMX Group from Borse Dubai communicated today.

In the event of physical delivery of the shares, Investor will transfer the holding in NASDAQ OMX Group from Financial Investments to Operating Investments and Investor will be entitled to a board seat.

"We are excited about this opportunity to become a leading shareholder in NASDAQ OMX, a company with very strong market positions and a unique brand in an industry we know well. We are convinced that this investment will be very attractive for our shareholders", says Investor's CEO Börje Ekholm.

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Investor AB is a Nordic-based industrial holding company founded almost one hundred years ago by the Wallenberg family. Today we have investment activities in Europe, the United States and Asia. The business concept is to generate attractive long-term returns for our shareholders by owning and developing companies with solid potential for value creation. We are an engaged owner and apply experience, knowledge and a unique network to develop listed and unlisted companies to make them best-in-class.

For further information:

Oscar Stege Unger, Head of Corporate Communications, Phone +46 8 614 2059, +46 70 624 2059

Magnus Dalhammar, Investor Relations Manager, Phone +46 8 614 2130, +46 735 24 2130