STOCKHOLM and NEW YORK, April 22, 2013 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) today announced that it has received the necessary regulatory approval for the completion of its acquisition of 25 percent of the Dutch cash equity and equity derivatives trading venue TOM, The Order Machine. The agreement also includes an option for NASDAQ OMX to acquire an additional 25.1 percent of the remaining shares to secure a majority stake in TOM. With this acquisition, NASDAQ OMX continues to expand its derivatives presence across the European market. As the only Multilateral Trading Facility (MTF) in Europe trading derivatives with retail focus, TOM has secured significant market share in single stock options and index options in the Dutch market. Combining the technology and geographic reach of NASDAQ OMX with the market expertise and business model of TOM, this creates a strong platform for expansion in other European derivatives markets. The current shareholders will remain co-owners, as such, BinckBank and ABN Amro will provide order flow while Optiver and IMC will provide liquidity in the Dutch market. "The business model of TOM has continued to be very successful," said Hans-Ole Jochumsen, Executive Vice President, Transaction Services Nordics, NASDAQ OMX. "During the first quarter of 2013, TOM's share of the Dutch equity derivatives market has risen to 20 percent. With this transaction completed, our partnership with TOM is further strengthened as we look to accelerate our expansion in the European equity derivatives market." About NASDAQ OMX The inventor and transformer of the electronic exchange, The NASDAQ OMX Group, Inc., fuels economies with revolutionary technologies for the entire lifecycle of a trade - from risk management to trade to surveillance to clearing. In the US and Europe, we own and operate 24 markets, 3 clearinghouses and 6 central securities depositories supporting equities, options, fixed income, derivatives, commodities, futures and structured products. Able to traffic more than 1 million messages per second at sub-80 microsecond speeds with 99.999% uptime, our technology drives more than 70 exchanges in 50 developed and emerging countries into the future, powering 1 in 10 of the world's securities transactions. Our award-winning data products and worldwide indexes are the benchmarks in the financial industry. Home to 3,400 listed companies worth $5.1 trillion in market cap whose innovations shape our world, we give the ideas of tomorrow access to capital today. Welcome to where the world takes a big leap forward, daily. Welcome to the NASDAQ OMX Century. To learn more, visit www.nasdaqomx.com . Follow us on Facebook ( http://www.facebook.com/NASDAQ ) and Twitter ( http://www.twitter.com/nasdaqomx ). (Symbol: NDAQ and member of S&P 500). About TOM (The Order Machine) TOM is an alternative trading venue in The Netherlands offering equity and option trading and aiming at maximum competition between markets. To be able to guarantee best execution of client orders, TOM developed a search engine ('TOM Smart Execution') which compares prices at lightning speed between markets. The client's order is executed at the venue showing the best available price at that moment. TOM has acquired a substantial position in equity and option trading.