The Philadelphia Stock Exchange (PHLX) Introduces Options Trading on the SIG Energy MLP Index™ (SVO)

PHILADELPHIA – February 4, 2008 – The Philadelphia Stock Exchange (PHLX) announced today that trading of options on the Susquehanna International Group of Companies SIG Energy MLP Index™ (SVOSM) became effective February 1.

The SIG Energy MLP Index (SVO) is an equal-dollar-weighted index composed of 27 publicly listed Master Limited Partnerships that sell, distribute, explore, mine, store, market, and trade primary energy products. Products include coal, propane, distillate products, crude oil, liquid natural gas and its byproducts and are available to end-markets across the United States - primarily retail service stations, truck stops, railroads, agricultural enterprises, refineries, and military and commercial jet fuel users.

“PHLX has partnered with SIG to deliver a new energy company index that reflects underlying commodity price movement and interest rate fluctuations," said Daniel R. Carrigan, PHLX’s vice president of new product development.

About the PHLX
The Philadelphia Stock Exchange was founded in 1790. The PHLX trades more than 7,000 stocks, 2,639 equity options, 16 sectors index options, options on all major currencies, and futures through its subsidiary, The Philadelphia Board of Trade (PBOT). For more information about the PHLX and its products, visit www.phlx.com.

About The Susquehanna International Group of Companies
The Susquehanna International Group of Companies (SIG) is one of the largest privately held global financial firms servicing major securities markets and institutional clients worldwide. An innovator with options and derivatives, SIG leverages its quantitative applications to maintain its renowned liquidity provision and execution capabilities in a broad range of equity, fixed income, and commodity products. SIG includes affiliated entities specializing in research, institutional sales and trading, private equity, venture capital, and investment banking. Headquartered in the Philadelphia area, SIG employs more than 1,500 individuals located in Asia, Australia, Europe, and North America. For further information about SIG’s services, products, and recruitment opportunities, please visit www.sig.com.

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For more information, contact Barbara Sorid at 215-496-5200 or by e-mail