Year-End Report 2010

Highlights during the fourth quarter

• The Board of Directors proposes a dividend to shareholders of SEK 5.00 per share (4.00).
• The acquisition of shares in Mölnlycke Health Care was finalized, and the company is now a consolidated operating subsidiary. The reported value of Investor’s 96 percent holding is SEK 13.4 bn., including the SEK 2.4 bn. positive revaluation of the existing holding.
• Investor invested SEK 0.5 bn. in 3 million additional shares in Electrolux.
• Investor announced the acquisition of shares in NASDAQ OMX for USD 176 m. After receiving approval on January 17, the 9.7 percent holding (including existing holdings) will be reported within Operating Investments. The holding in the financial investment Elekta was divested for SEK 1.6 bn., generating a capital gain, including dividends, of SEK 1 bn.

Financial information

• Net asset value amounted to SEK 169,947 m. (SEK 224 per share) on December 31, 2010, compared to SEK 142,673 m. (SEK 187 per share) at year-end 2009, corresponding to a change, with dividend added back, of 21 percent for 2010 (26).
• Consolidated net profit for the period, including unrealized change in value, was SEK 30,693 m. (SEK 40.35 per share), compared to SEK 31,368 m. for 2009 (SEK 41.12 per share).
• Core Investments contributed SEK 26,035 m. to growth in net asset value in 2010 (31,851). Atlas Copco had the largest positive impact, SEK 13,774 m., while AstraZeneca had a negative impact, SEK 431 m.
• Operating Investments contributed SEK 3,478 m. to net asset value during 2010 (-1,410).
• Private Equity Investments contributed SEK 1,294 m. to net asset value for the period (664).
• Leverage (net debt/total assets) was 6.3 percent as of December 31, 2010 (0.4).
• The total return on the Investor share was 11 percent during the year (18). The total annual return averaged 4 percent over the past 5-year period.

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 73 524 2130

Our press releases can be accessed at www.investorab.com on the Internet.

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.