1. Communications Telemetry Radio

2. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. In-Situ ® Telemetry Overview TROLL ® Link Systems — 2010

3. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Two TROLL ® Link Telemetry Systems Web-based system with Data Center access Do-it-yourself system with direct access

4. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Web-Based System with Data Center Access Your data is collected and sent to In-Situ Inc.’s secure data center via satellite or mobile phone network. Data is accessible worldwide using the Internet In-Situ Inc.’s secure web site. Full range of alarming capabilities from Data Center including text messaging, phone, email, etc.

5. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Do-It-Yourself — Direct-Connect System Your data is collected by your computer either manually or automatically via mobile phone network (Verizon ® or AT&T ® ). Data can be extracted to CSV or Text for import into other systems (i.e., your web site or database). Alarming from TROLL Link system limited to text messaging to a single mobile phone.

6. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Product Line Direct ConnectData Center TROLL ® Link 100 GSM/GPRS (FCC & CE Compliant) TROLL ® Link 101 GSM/GPRS TROLL ® Link 102 CDMA (US, Canada, Mexico) (FCC & CE Compliant) TROLL ® Link 201 Iridium Satellite Configuration: TROLL ® Link Setup Data Access: Win-Situ ® 5 Plus/Auto Download Configuration: Web based Data Access: Web based

7. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Web-Based Data Center Products TROLL ® Link 201 – Satellite  Iridium ® system is used to report current measurements to Data Center.  Reliable — 24x7x365  Unaffected by outages due to natural disasters (i.e., hurricanes/tornados)  Provides access where mobile phone network reception is poor (i.e., canyons, mountains, unpopulated areas)  Higher cost to transmit data to Data Center TROLL ® Link 101 – GSM Mobile Phone  AT&T/Rogers based – Uses mobile phone data (IP) network to report current measurements to Data Center  Lower operating cost per byte than the TROLL Link 201 satellite system

8. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Do-It-Yourself — Direct-Connect Products TROLL ® Link 100 – GSM/GPRS  Works worldwide with any GSM/GPRS system TROLL ® Link 102 – CDMA Mobile Phone  Verizon ® /TELUS ® /Bell – Available for use in USA, Canada and Mexico Both Systems  Supports TCP/IP or Modem (Circuit Switched) connections  Customers use their established phone provider for service  CE and FCC compliant – Can be used internationally  Pass-Thru Modbus ASCII – Allows use of Win-Situ ® 5, SCADA or custom software solutions Note: Access of logged data on In-Situ sensors requires use of In-Situ ® software or the Con TROLL ® PRO System.

9. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Alarming Feature Comparison Alarm Feature TROLL ® Link 100 Direct Connect GSM TROLL ® Link 102 Direct Connect CDMA TROLL ® Link 101 GSM Data Center TROLL ® Link 201 Satellite Data Center SMS Alarm XXXX Email Alarm X XX Voice Alarm XX Single Parameter Alarm XXXX Multi-Parameter Alarm XX Multiple Notification Alarm XX

10. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Optimize Your Telemetry Uplinks with the Ultra-Low Power TROLL ® Net Hub Connect up to 8 Level TROLLs, Aqua TROLLs or Modbus devices to a single telemetry unit.  4/8-Port Quick-Connect models allow easy field access to sensors from RuggedReader ® handheld PCs or laptops for web-based units.  4/8-Port Cord Grip Models save money for Do-It-Yourself, Direct-Connect systems.

11. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Summary 2 telemetry systems (Data Center/Direct Connect) allow for full flexibility in meeting data collection and data chain of custody requirements. Data Center systems eliminate need to build and maintain a web site that provides access to field data. Direct Connect systems eliminate need to custom engineer a telemetry system that keeps data in-house. TROLL ® Net hubs allow a single telemetry uplink box to support multiple devices.

12. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Radio Highlights Plug and play—Uses existing RuggedCable ® System with twist-lock connector option. Stripped-and-tinned option available. Multiple instrument types:  Aqua TROLL 100/200/400  Level TROLL 300/500/700  Rugged TROLL 200  RDO ® PRO Probe Single radio product can be configured as master, slave, or repeater through dip switches. Uses existing enclosures, batteries, solar panels, and antennas In-Situ Field Services will custom survey a site and install instruments and radios.

13. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Radio Highlights Uses 900 mHz frequency radios designed for US/Canada. Networks up to 33 parameters into a single TROLL Link System Networks up to 8 slave radios into each TROLL Link System Radio range distances up to 1,200 feet; network up to 1 mi 2 Powers probes by using battery for the DX-80 radio model Integrates easily with ISI Data Center and TROLL Link 101 and 201 Systems

14. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Radio Scenario—TROLL Link 101/201 Data Center ISI

15. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Radio Scenario—PLC System Repeater ISI

16. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Complex Radio Scenario—TROLL Link 101/201 Data Center ISI Available through Field Services only Application Ex: Clustered wells TROLL Net Hub

17. Copyright © 2010 In-Situ® Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. Product Requirements by Node Master Radio  Radio Enclosure  10W Solar Panel  Battery Pack  3-6 ft cable for power/comm (twist- lock termination)  TROLL Link System  Optional Omni Kit (for multi-directional signal reception) Slave Radio  Radio Enclosure  1W Solar Panel  Lead Acid Battery  Instrument  Instrument cable with TL or ST termination  Optional Yagi Kit Repeater Radio  Radio Enclosure  1W Solar Panel  Lead Acid Battery  Omni Kit or Yagi Kit