Calgary, Alberta — April 30, 2008

On April 23rd, 2008 at the Metropolitan Centre in Calgary, Alberta, Canada more than 100 Oil and Gas professionals attended the very successful launch of esi.manage™ v2.0; the new standard for operational program management.

Attendees were given a broad overview of the new key features in v2.0 which include:
• Inventory, Long Term Plans and Annual Budgets are created using a single data model
• Entire Portfolios and Projects can be Ranked and Prioritized
• Project Resources Scheduling (e.g. rigs, staff, etc) utilizing a dynamic Gantt Chart
• Enhanced Custom Reporting Capability
• Enabled Collaborative Decision Making

A client testimonial was delivered by Rob Ellis, V.P. Engineering for Bronco Energy. Rob addressed how Bronco Energy was able to use esi.manage to maximize the effectiveness of their asset development strategy by creating their projects, long term plan and budget in a matter of a few hours. With the comprehensive reporting capabilities of esi.manage they were able to provide management with a complete and up-to-date view of their business.

A Partial List of Registered Companies
Angle Energy Inc.EOG Resources Canada Inc.Rally Energy Corp.
Apache Canada Ltd.Galleon Energy Inc.Resource Energy Solutions
Artemis Exploration Inc.Gran Tierra Energy Inc.Rife Resources
Avant Garde Energy Corp.Great Plains ExplorationRipper Oil and Gas Inc.
Avenir Operating Corp.Guardian Exploration IncSeaview Energy Inc.
Bell EnergyHarvest Energy TrustSilverwing Energy Inc.
Birchcliff Energy Ltd.HoneywellSuncor Energy Inc.
Bronco Energy Ltd.Husky Energy Inc.Sure Energy Inc.
CalfracKereco Energy Ltd.Syncrude Development
Canadian Forest Oil Ltd.Koch Exploration CanadaTemple Energy Inc.
CAPPLuminaTriangle Petroleum
Celtic Exploration Ltd.Mahalo Energy Ltd.Trident Exploration Corp.
CERAMegaWest Energy Corp.TriStar Oil & Gas Ltd.
ConocoPhillips CanadaMurphy Oil Company Ltd.West Energy Ltd.
COSTA Energy Inc.Oilsands Quest Inc.Winstar Resources Ltd.
Delphi Energy Corp.Open Range Energy Corp.Yangarra Resources Ltd.
Direct Energy Marketing Ltd.Paramount Energy TrustZargon Energy Trust
EnCana CorporationParamount Resources Ltd.Ziff Energy
Enerplus Resources FundPetrobank Energy and Resources

About 3esi

3esi Inc. is an international E&P software and services company with headquarters in Calgary, Alberta, Canada. For
more information on this event or our presentations, please visit www.3esi.com.

Contact

Eileen Puczko 3esi inc.
+1.403.270.3270
info@3esi.com