IN: Gerald, Per our discussion: Black Diamond Energy, Inc. A Wyoming Corporation 410 Mount Nebo Rd. Pittsburgh, PA 15237 Contact: Eric D. Koval-President Subject: Potential Compression Services deals in and around the Powder River Basin Shell Capital 910 Louisiana Suite 5000 Houston, TX 77002 Contact: Mike Keener, Director-Producer Finance Subject: Potential financing opportunities through ECS Let me know if you need anything else. Thanks,

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OUT: Confidentiality Agreements Information

IN: Dear MONIKA CAUSHOLLI, You have been added to the waiting list for the following. Course Title : 'Understanding Swaps' Session Code : 121301 The course details are given below for your confirmation. Type : Instructor Led Course Course Code : USWAPS Session Code : 121301 Starting Date : Dec 13, 2001 8:00 AM Ending Date : Dec 14, 2001 5:00 PM Number of Units : 0 price : $1,400.00 Location : Crowne Plaza 1700 Smith Street Houston http:// Meetings : Start Time: Dec 13, 2001 8:00 AM End Time: Dec 14, 2001 5:00 PM No instructors or rooms have been assigned to this meeting. You will be notified if a seat opens. Thank you,

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OUT: You are included in the Waiting List

IN: Howdy all! We currently have an opening in the Real Time Trading Group reporting to Bill Williams III. If you have any questions about this position, please see Bill at the Real Time Desk. A list of responsibilities and candidate requirements can be found below. If you would like to be considered for this position, please contact Julie Kearney (x7404) or Grace Rodriguez (x8321) by close of business on Friday, October 19th, 2001. Regards,

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OUT: Position Opening: Real Time Trading Opportunity

IN: Ercot Traders- We will be going live in the Curve Manager for Ercot on Monday, November 5th. Ercot South (R6) will be your primary curve that you mark, and all others will be dependent upon that curve. I know the first few days will be a learning experience, so when you are ready to mark the curves just let me know and I'll come sit with you guys. Thanks!

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OUT:
Rollout of Curve Manager