Investor AB — Capital/Financing Update 2011

Mar 29, 2011

P Press r release e

S Stockholm, March 29 , 2011

In nvestor s subscrib bes for it ts share in Sobi's s rights i issue

In a a nvestor AB approximat announced B has comm tely 40 perc by Sobi e mitted to su cent in the arlier today ubscribe fo e new issue y. The righ or its pro ra e of approx hts issue is ata share o ximately SE s fully unde of EK 600 m. erwritten.

F For further r informat ion:

M P Magnus Da Phone +46 alhammar, 8 614 213 Investor R 30, +46 735 Relations M 5 24 2130 Manager,

O Our press re eleases can n be accesse ed at www. investorab. com

In h E lo s k th nvestor AB hundred yea Europe, the ong-term re solid potenti knowledge a hem best-in B is a Nord ars ago by t United Sta eturns for o ial for value and a uniqu n-class. dic-based i the Wallenb tes and As our shareho e creation. W ue network industrial h berg family. sia. The bus olders by ow We are an to develop holding com Today we h siness conc wning and engaged o listed and u mpany foun have invest cept is to ge developing wner and a unlisted com nded almos tment activi enerate attr g companie apply exper mpanies to st one ities in ractive s with rience, make . (1)