In December total volume at ICEFutures U

White, Senior Vice President, SandRidge Energy, Inc.,1-405-429-5515. ICE Achieves Record Volume in 2008; Futures Volume Rises 21; OTC EnergyAverage Daily Commissions Increase 32December Futures ADV Up 21; OTC Energy Average Daily Commissions $870,934 in4Q08ATLANTA, Jan. ICE operates three regulated futuresexchanges: ICE Futures Europe(R), ICE Futures U.S.(R) and ICE FuturesCanada(TM), in addition to its global OTC markets for energy and creditderivatives. Volume for all ICE futures contracts in 2008 reached 237.2 million, an increase of 21 over 2007; ICE Futures Europe set its 11th consecutive annual volume record; ICE Futures U.S. ICE completed its acquisition of Creditex on August 29, 2008."Amid a year of recession and global market downturns, ICE accomplishedits aggressive strategic objectives in 2008," said Jeffrey C Sprecher, ICEChairman and Chief Executive Officer. "We produced double-digit growth whilesubstantially expanding the range of products and services we provide globalmarket participants.With the addition of the Russell Indexes to ICE FuturesU.S., the launch of ICE Clear Europe and the acquisition of Creditex - amongmany other initiatives - we believe ICE continues to be at the forefront ofproviding transparency, innovation and risk management tools across a diverserange of futures and OTC markets."European Futures Volume and RPCICE Futures Europe is ICE's London-based energy futures exchange.InDecember, ICE Futures Europe reported monthly volume of 11,317,644 contracts,a 21 increase from 9,388,187 contracts in December 2007 ADV was 514,458, up10 from 469,409 the prior December. Fourth quarter ADV for ICE Futures Europewas 569,219, compared to 550,175 in the fourth quarter of 2007.The three-month rolling average rate per contract (RPC) for the fourthquarter of 2008 was $1.42.

RPC for the quarter includes futures clearingrevenue for the months of November and December relating to the launch of ICEClear Europe(TM) on November 3. RPC averaged $1.32 and $1.22 for the three-month periods ended November and October 2008, respectively. RPC is calculatedby dividing transaction revenues by contract volume, and can vary based onpricing, customer and product mix.In 2008, exchange-wide volume for ICE Futures Europe increased 10,reaching a record 153.0 million contracts compared to the prior year's recordof 138.5 million contracts. Annual volume records were set in each of the ICEBrent Crude futures, ICE Gas Oil futures, ICE RBOB futures, ICE Rotterdam Coalfutures, ICE Richards Bay Coal futures, ICE UK Natural Gas futures, ICE ECXCFI futures, ICE ECX CFI options and ICE WTI Crude options contracts.On December 31, 2008, open interest for ICE Futures Europe was 2,102,574contracts, compared to 1,641,399 contracts on December 31, 2007.North American Futures Volume and RPCICE's agricultural, soft commodity, financial and index futures trade onICE's U.S. and Canadian futures exchanges.In December, total volume at ICEFutures U.S.

increased to 7,015,503 contracts, a 77 increase over 3,972,640contracts in December 2007. December 2008 ADV grew 53 to 318,887 contractscompared to 208,073 contracts in December 2007 Fourth quarter ADV for ICEFutures U.S. increased 74 to 350,395 contracts, compared to 201,640 in thefourth quarter of 2007.The three-month rolling average RPC for the fourth quarter of 2008 was$2.25 for ICE Futures U.S agricultural futures and options. RPC averaged$2.24 for each of the three-months ended November 2008 and October 2008 RPCfor ICE Futures U.S. financial futures and options contracts averaged $0.78for the fourth quarter of 2008.