The new portfolio of the OMX Baltic 10 index will become effective on July 1, 2009 Tallinn, Riga, Vilnius, June 15, 2009 - The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announces today the results of the semi-annual review of the OMX Baltic 10 index, (NASDAQ OMX Baltic: OMXB10), which will become effective with the market open on Wednesday, July 1, 2009 Bankas Snoras (SRS1L) and Klaipedos Nafta (KNF1L) will be added to the index. As a result of the evaluation, the following two shares will be removed from the OMXB10 index: Siauliu Bankas (SAB1L) and Invalda (IVL1L). “The OMX Baltic 10 index consists of the 10 most actively traded stocks on the Baltic markets. The index is easy to replicate and acts as underlying for derivatives and structured products providing investors with an effective alternative to reach exposure to the Baltic region”, says Magdalena Hartman, Vice president Global Index Group. The weight of the constituent stocks in the OMX Baltic 10 is based on the market value adjusted by free float and is capped to 15% in connection with the review. The composition of the index is revised twice a year, on January 1 and July 1. The base date for OMXB10 index is December 31, 1999 with a base value of 100. OMX Baltic 10 constituents after review effective July 1, 2009: Apranga Baltika Bankas Snoras Estonian Telecom Klaipedos Nafta Olympic Entertainment Group Tallink Grupp Tallinn Department Store TEO LT Ukio Bankas NASDAQ OMX Tallinn Market services +372 6 408 800