Clients in Unconventional Plays Adams Resources Exploration Corp. Lario Oil & Gas Co. Alta Mesa Holdings LP Lime Rock Resources American Oil & Gas Inc. Lukoil Co. Americas Petrogas Inc. Macquarie Bank Ltd. Anadarko Corp. Mainland Resources Inc. Anatolia Energy Corp. Corp. Anschutz Exploration Corp. Marion Energy Ltd. Ante5 Inc. MBI Oil & Gas LLC Antero Resources Corp. Merrill Lynch Apache Corp. Metalmark Capital Holdings LLC Arena Energy LP Mitsui & Co. Ltd. Atlantic Resources Montana Oil Properties Inc. Oil & Gas Aurora Resources LLC Moss Creek Resources LLC Australis Oil & Gas Co. Murex Petroleum Corp. Beusa Energy Inc. Murphy E&P Co. Reserves Studies BP America Production Co. Newfield Exploration Co. BTA Oil Producers LLC Nexen Inc. Buckner International NextEra Energy Resources Co. Caddis Capital LLC Northeast Natural Energy Cade Oil & Gas LLC Northern Oil & Gas Inc. Calibre Energy Inc. Oil India Ltd. Callon Petroleum Co. Pan American Energy LLC Unconventional Carrizo Oil & Gas Inc. PDC Energy Inc. CDX Gas LLC PEMEX (Petróleos Mexicanos) Central Petroleum Ltd. PetroFrontier Corp. Chesapeake Energy Corp. Petrogulf Corp. Plays Chevron Corp. Petroleum Development Corp. CNOOC ( National Offshore Oil Corp.) PetroQuest Energy Inc. ConocoPhillips Co. PrimeEnergy Corp. Continental Resources Inc. Cornerstone Natural Resources LLC QEP Resources Inc. Deutsche Bank AG Range Resources Corp. Corp. Reliance Holding USA Inc. Dominion Resources Inc. YPF SA Enduring Resources LLC Rimrock Resources Partners LLC Energen Resources Corp. Riverstone Europe LLP Energy Corporation of America Rosetta Resources Inc. Enerplus Corp. PLC Petroleum Co. Inc. Sabine Oil & Gas LLC EP Energy Corp. Samson Oil & Gas Ltd. EQT Corp. Sanchez Oil & Gas Corp. Euro Pacific Capital Inc. Sasol Ltd. Exco Resources Inc. Petroleum USA LP Fasken Oil & Ranch Ltd. (China Petroleum & Chemical Corp.) Fidelity E&P Co. SM Energy Co. GHA Barnett LLC Spotted Hawk Development LLC Geo-Jade Petroleum Co. Stairway Capital Management LP Global Natural Resources Corp. State Commission on Mineral Reserves (Russia) Goodrich Petroleum Co. State of Ohio Division of Oil & Gas Great Western Oil & Gas Co. LLC State Street Bank & Trust Co. Grupo Altavista S.A. de C.V. Stone Energy Corp. Haimo Oil & Gas LLC Sundance Energy Inc. Headington Oil Co. LP Talisman Energy Inc. Hess Corp. Tall City Exploration LLC HighMount E&P LLC Tapstone Energy LLC Hilcorp Energy Texakota Oil Co. IDG Energy Investment Ltd. TNK - BP Indian Oil Corp. Ltd. Triangle Petroleum Corp. Intervention Energy LLC Unit Petroleum Co. Ironwood Oil & Gas LLC United Energy Group Ltd. J.P. Morgan Chase & Co. Unocal Corp. (Union Oil Co. of California) Kerogen Resources Inc. Verdad Resources LLC Korea National Oil Corp. YPF (Yacimientos Petrolíferos Fiscales) Landy Energy Inc. Zavanna LLC Laredo Petroleum Inc. ZEnergy Inc.

For more information, please contact: Business Development Group Ryder Scott Co. LP • 1100 Louisiana, Ste. 4600 • Houston, TX 77002 Email: [email protected] Direct Phone: +1-713-651-9191 Always a trusted name, Ryder Scott certifies oil and gas reserves in unconventional plays.

A Ryder Scott independent reserves report has always been a widely accepted assurance of asset value by the worldwide oil and gas industry. Our appraisals of unconventional plays, including oil and gas shale properties, are no exception. Barnett shale play E&P companies and financial institutions rely on our internationally where horizontal-drilling recognized “green book” consulting report to help mitigate risks in and fracing techniques were committing capital for acquisitions, exploration, field development and refined in the late 1990s. Today redevelopment, infrastructure and refinancing. our geologists and petroleum engineers National oil companies and governments turn to Ryder Scott to evaluate and gas plays provide indispensable support and advice on evaluating and managing the world over in various development stages — new unconventional oil and gas accumulations. Shale plays and other from undrilled to relatively mature with high-density tight formations are becoming valuable natural resources for several well spacing. countries. Almost 150 clients in unconventional plays have relied on Our public company clients in unconventional plays depend on Ryder Scott for a range of services, including full-scale reserves Ryder Scott to ensure that reserves disclosures filed with regulatory evaluations, audits/process reviews, management advisory services agencies worldwide comply with reporting requirements. and field development recommendations. We have prepared third-party forecasts of oil and gas production and cash flows from most major Decades of Shale Experience developed plays worldwide. Ryder Scott also has issued numerous Ryder Scott has grown its expertise by working with clients in their reports on prospective and contingent resources in early-stage early efforts in the Appalachian and Antrim shales and later in the development of unconventional oil and gas reservoirs. Scientific Analysis Increases Booked Reserves Leveraging Knowledge Base Basins and Plays Evaluated At Ryder Scott, we believe that understanding and using science Shortly after project startup, clients immediately benefit from our Partial Summary of U.S. Basins Partial Summary of International Unconventional Plays as a basis for development of unconventional reservoirs is key. Our in-house knowledge base and subsurface data analytics. Ryder Scott Anadarko Delaware Fort Worth • Vaca Muerta play in southwest Argentina independent evaluations and audits increase bookable reserves and has built large regional databases with public and proprietary information Appalachian East Midland Exploratory shales in the Copper basin of Australia confidence in them. Ryder Scott uses every scientific method available to create maps of oil and gas trends with tens of thousands of data Arkoma • for reserves evaluations of properties in unconventional plays, points for each shale play. • Montney and Duvernay gas plays in Canada Partial Summary of U.S. Unconventional Plays including the following: Database “building blocks” include well locations in sweet and • Horn River basin gas play in British Columbia, Canada Antrim Lower Huron SCOOP • Core analysis for porosity, water saturation and total trouble spots, initial and daily production rates, estimated recovery • Lorraine and Utica gas plays in Quebec, Canada organic carbon factors and ultimate recoveries correlated with mapping by area and Avalon Mancos South Texas Canadian portion of Bakken oil shale play in Williston basin • Laboratory desorption and adsorption analysis depth. We generate and inventory type curves for comparative analyses Bakken Manning Canyon STACK • • Petrophysical analysis with core data correlations to identify best-fit performance analogs. Our analysis of statistical Barnett Marcellus Tuscaloosa Marine • Horton Bluff shale play in Nova Scotia, Canada • Petrophysical analysis with the Passey method performance data yields predictable, repeatable reserves estimates in Baxter Michigan Uinta • Simiti gas shale play in Middle Magdalena Valley in Colombia • Geophysical analysis of seismic data analogous areas. Devonian Niobrara Utica • Various exploratory unconventional plays in Europe and China • Microseismic analysis for fractured rock-volume estimates We evaluate and catalog well-test results, fluid properties, Eagle Ford Northwest Louisiana Vermillion • Volumetric analysis including free and absorbed components drilling-and-completion techniques such as well trajectories, TVDs, Fayetteville Northwest Stack Williston • Flowing material balance analysis lateral lengths, frac stages and proppant amounts. Key geological Gothic Paradox Wolfcamp • Square-root-of-time plots information, such as thermal-maturity and TOC data, is also stored Haynesville Permian Woodford/Caney • PVT analysis and indexed. Leonard San Juan • Rate-transient analysis including modeling transient- vs. boundary-dominated flow • Numerical simulation • Frac breakthrough modeling Clients in Unconventional Plays Adams Resources Exploration Corp. Lario Oil & Gas Co. Alta Mesa Holdings LP Lime Rock Resources American Oil & Gas Inc. Lukoil Co. Americas Petrogas Inc. Macquarie Bank Ltd. Anadarko Petroleum Corp. Mainland Resources Inc. Anatolia Energy Corp. Marathon Oil Corp. Anschutz Exploration Corp. Marion Energy Ltd. Ante5 Inc. MBI Oil & Gas LLC Antero Resources Corp. Merrill Lynch Apache Corp. Metalmark Capital Holdings LLC Arena Energy LP Mitsui & Co. Ltd. Atlantic Resources Montana Oil Properties Inc. Oil & Gas Aurora Resources LLC Moss Creek Resources LLC Australis Oil & Gas Co. Murex Petroleum Corp. Beusa Energy Inc. Murphy E&P Co. Reserves Studies BP America Production Co. Newfield Exploration Co. BTA Oil Producers LLC Nexen Inc. Buckner International NextEra Energy Resources Co. Caddis Capital LLC Northeast Natural Energy Cade Oil & Gas LLC Northern Oil & Gas Inc. Calibre Energy Inc. Oil India Ltd. Callon Petroleum Co. Pan American Energy LLC Unconventional Carrizo Oil & Gas Inc. PDC Energy Inc. CDX Gas LLC PEMEX (Petróleos Mexicanos) Central Petroleum Ltd. PetroFrontier Corp. Chesapeake Energy Corp. Petrogulf Corp. Plays Chevron Corp. Petroleum Development Corp. CNOOC (China National Offshore Oil Corp.) PetroQuest Energy Inc. ConocoPhillips Co. PrimeEnergy Corp. Continental Resources Inc. Qatar Petroleum Cornerstone Natural Resources LLC QEP Resources Inc. Deutsche Bank AG Range Resources Corp. Devon Energy Corp. Reliance Holding USA Inc. Dominion Resources Inc. Repsol YPF SA Enduring Resources LLC Rimrock Resources Partners LLC Energen Resources Corp. Riverstone Europe LLP Energy Corporation of America Rosetta Resources Inc. Enerplus Corp. Royal Dutch Shell PLC ENI Petroleum Co. Inc. Sabine Oil & Gas LLC EP Energy Corp. Samson Oil & Gas Ltd. EQT Corp. Sanchez Oil & Gas Corp. Euro Pacific Capital Inc. Sasol Ltd. Exco Resources Inc. SinoChem Petroleum USA LP Fasken Oil & Ranch Ltd. Sinopec (China Petroleum & Chemical Corp.) Fidelity E&P Co. SM Energy Co. GHA Barnett LLC Spotted Hawk Development LLC Geo-Jade Petroleum Co. Stairway Capital Management LP Global Natural Resources Corp. State Commission on Mineral Reserves (Russia) Goodrich Petroleum Co. State of Ohio Division of Oil & Gas Great Western Oil & Gas Co. LLC State Street Bank & Trust Co. Grupo Altavista S.A. de C.V. Stone Energy Corp. Haimo Oil & Gas LLC Sundance Energy Inc. Headington Oil Co. LP Talisman Energy Inc. Hess Corp. Tall City Exploration LLC HighMount E&P LLC Tapstone Energy LLC Hilcorp Energy Texakota Oil Co. IDG Energy Investment Ltd. TNK - BP Indian Oil Corp. Ltd. Triangle Petroleum Corp. Intervention Energy LLC Unit Petroleum Co. Ironwood Oil & Gas LLC United Energy Group Ltd. J.P. Morgan Chase & Co. Unocal Corp. (Union Oil Co. of California) Kerogen Resources Inc. Verdad Resources LLC Korea National Oil Corp. YPF (Yacimientos Petrolíferos Fiscales) Landy Energy Inc. Zavanna LLC Laredo Petroleum Inc. ZEnergy Inc.

For more information, please contact: Business Development Group Ryder Scott Co. LP • 1100 Louisiana, Ste. 4600 • Houston, TX 77002 Email: [email protected] Direct Phone: +1-713-651-9191