35314811716 Copyright Business Wire 2009

These and other risks are described inPioneers 10-K and 10-Q Reports and other filings with the Securities andExchange Commission. In addition, Pioneer may be subject to currently unforeseenrisks that may have a materially adverse impact on it. Pioneer undertakes noduty to publicly update these statements except as required by law. Pioneer Natural Resources Company Open Commodity Derivative Positions as of January 20, 2009 2009FirstSecond ThirdFourth QuarterQuarterQuarterQuarter2009 2010 2011 Gas Swaps - Old (MMBTUPD) 5,0005,0005,0005,0005,0005,000- NYMEX price ($/MMBtu) (a)$8.04$8.04$8.04$8.04$8.04$7.73$- Swaps - New (MMBTUPD) -130,000130,00043,804 76,219 NYMEX price ($/MMBtu)$- $6.15$6.15$6.15$6.15$- $- Spraberry Basis Swaps - New (MMBTUPD) (b) 10,000 10,000 10,000 10,000 10,000 Price differential ($/MMBTU) $(0.99)$(0.99)$(0.99)$(0.99)$(0.99)$- $- Mid-Continent Basis Swaps - New (MMBTUPD) (b) 140,000110,000110,000110,000117,397120,00050,000Price differential ($/MMBTU) $(1.21)$(1.19)$(1.19)$(1.19)$(1.20)$(0.90)$(0.83 ) Oil Swaps - Old (BPD) 2,5002,5002,5002,5002,5002,000- NYMEX price (Bbl)$99.26 $99.26 $99.26 $99.26 $99.26 $98.32 $- Swaps - New (BPD) 17,589 23,000 23,000 23,000 21,611 Fixed price (Bbl) (c)$52.37 $52.51 $52.51 $52.51 $52.48 $- $- Collars - Old (BPD) 2,000 NYMEX price (Bbl):Ceiling$- $- $- $- $- $- $170.00Floor$- $- $- $- $- $- $115.00Collars - New (BPD) 1,3112,0002,0002,0001,830 NYMEX price (Bbl):Ceiling$70.38 $70.38 $70.38 $70.38 $70.38 $- $- Floor$52.00 $52.00 $52.00 $52.00 $52.00 $- $- Natural Gas Liquids Swaps - Old (BPD) 1,2501,2501,2501,2501,2501,250- Blended index price (Bbl) (d)$48.97 $48.99 $49.00 $49.00 $48.99 $47.38 $- Swaps - New (BPD) 6671,0001,0001,000904 Blended index price (Bbl) (d)$28.02 $28.02 $28.02 $28.02 $28.02 $- $- (a) Approximate NYMEX price, based on historical differentials to the index price at the time the derivative was entered into (b) Represent swaps that fix the basis differentials between Spraberry and Mid-Continent indices, at which the Company sells its gas, and NYMEX prices(c) Includes NYMEX and Brent average prices on U.S. and foreign oil production(d) Represents blended Mont Belvieu posted price per Bbl Pioneer Natural ResourcesInvestors:Frank Hopkins, 972-969-4065orMatt Gallagher, 972-969-4017orNolan Badders, 972-969-3955orMedia and Public Affairs:Susan Spratlen, 972-969-4018 Copyright Business Wire 2009. The global outlook series on Real Estate provides a collection of statisticalanecdotes, market briefs, and concise summaries of research findings.

The reportprovides a brief overview of the market and reviews of past segmentalperformance together with recent mergers and acquisitions, which haveirreversibly changed the industry's landscape. The report provides insights intomarket fundamentals in select regional markets. The wholesome discussion on theUS market is laced with 40 fact, and data rich tables, and is designed toprovide the reader an understanding of the macro environment. The reader stands to learn the implications of "Senior Friendly" Homes, and thelucrativeness of metros as an optimum location for real estate projects, amongothers. In addition to the US, Canada, and Japan also included are shortdiscussions on key European, and Asian markets such as France, Spain, Turkey,UK, China, Hong Kong, India, Malaysia, South Korea, Middle East, Latin Americaand Africa, among others. Also included is an indexed, easy-to-refer,fact-finder directory listing the addresses, and contact details of 597companies worldwide. For information on site licence pricing please click on Enquire before buying Key Topics Covered: Overview Major Sectors - Recent Past Performance Review Canada Japan Europe Asia Middle East Latin America Africa Global DirectorySome of the companies mentioned include: Assaudia Real Estate Atisreal Bell Marc Realty Brown Harris Stevens Bulleys CB Richard Ellis Centro Watt Coldwell Banker Hunt Kennedy Colliers International Colliers Macauley Nicolls Corcoran Group Cosnett Price Cushman & Wakefield Dallah Albaraka Group Dar Al-Arkan Real Estate Debenham Tie Leung Diversified Realty Inland Douglas Elliman First Home Brokerage Greenthal Residential Sales Grubb & Ellis Gumley Haft Kleier Halstead Property Harris Lamb & Co Jones Lang LaSalle Kimco Realty Corp Developers King Sturge Knight Frank Lincoln National Life Insurance Massachusetts Mutual Life Insurance Munshaat Real Estate NAI Global New York Life Insurance North Rae Sanders ONCOR International Prudential Insurance Co.

of America Real Estate Group of Cos Regency Centers Savills Teachers Ins & Annuity Association of America The Inland Real Estate Group The Macerich Trammell Crow Western United Life Assurance William B. MayFor more information visit http:// and MarketsLaura Wood, Senior Manager, U.S. Fax: 646-607-1907Fax (outside U.S.): 353-1-481-1716 Copyright Business Wire 2009. ) The Honda Player of the Year award is given annually to the best player of the U.S Men's National Team and is voted on by national writers.

In the 20 year history of the award, nine recipients had played their soccer abroad. How can it be then that only four players outside the MLS have received the award since 1996Landon Donovan won the award this year for a record sixth time Donovan recorded five goals for the U.S. team this season, but surely Tim Howard's performances in goal made him more deserving. Howard recorded 17 clean sheets in 38 starts for Everton in 2008/09, shutout Spain in the Confederations Cup semifinal, and kept the U.S. in the final match of the same tournament against Brazil.A season where Howard established himself amongst the top handful of keepers in the world must be more valuable than the five goals Donovan scored.Oguchi Onyewu played so well for the U.S.