ROCKFORD ENERGY PARTNERS, LLC CORPORATE OVERVIEW IPAA TEXAS SOUTHEAST REGIONAL SPEAKERS’ SERIES HOUSTON, TEXAS JULY 10,

1. ROCKFORD ENERGY PARTNERS, LLC CORPORATE OVERVIEW IPAA TEXAS SOUTHEAST REGIONAL SPEAKERS’ SERIES HOUSTON, TEXAS JULY 10, 2002

2. Rockford Energy Partners, LLC • Organized May, 2002 • Initial Funding - $15,900,000 • Corporate Headquarters – Tulsa, Oklahoma • Mid Continent Acquire and Exploit Company • Management Team – Technically strong, good deal flow • Capital Partner – Quantum Energy Partners

3. Rockford Energy Partners, LLC Management Team Charles H. Perrin President and CEO Thomas E. Boullt, Jr. Vice President of Reservoir Engineering Robert W. Von Rhee Vice President of Geology Susan C. Keary Director of Accounting and Administration

4. Rockford Energy Partners, LLC Strategy Patience Ability to quickly evaluate, make offer and close Acquire and exploit high working interest properties in the Mid Continent Emphasis on operated gas Build a diversified portfolio containing long lived, predictable reserves with upside potential Reduce costs, increase production via workovers, enhancements and low risk drilling Build a long term low risk drilling inventory Utilize the financial expertise of Quantum in the areas of banking, price hedges, tax and financial analysis and industry contacts Use combination bank debt and equity Continuously evaluate exit opportunities

5. Rockford Energy Partners, LLC FOCUS AREAS Arkoma Basin AnadarkoBasin Ark-La-Tex Area

6. Rockford Energy Partners, LLC Why the Mid Continent Multiple productive zones Good product market Long-lived reserves Actively drilled basins Low drilling costs, high success rates Under-explored deeper potential Oklahoma’s force pooling statute a plus Leverage Rockford’s strong Mid Continent technical expertise

7. Overview of Quantum Energy Partners • Private equity fund focused on making equity investments primarily in acquisition, exploitation, and exploration companies and secondarily in mid-stream and service companies. • Geographical focus: US and Canada. • Capital under management: $320 million. • Target investment size: $10 to $35 million. • Target ownership: 40% to 95% with board representation. • Investment structure: common equity, preferred equity, sub-debt with warrants (No project financing) invested in a limited partnership or LLC. • Portfolio target IRR and ROI: 25%+ and 3.0x. • Investment time frame: 3 to 6 years. • Investment Team: 3 managing partners, 2 principals, 2 associates, CFO and controller. • Investment Team’s competitive advantage: experience as owners and managers of oil & gas and mid-stream companies, combined with multidisciplinary expertise in finance, technical sciences (geology, engineering and geophysics), and tax.

8. Quantum’s Investment Strategy • Invest in smaller companies (post money equity value < $50MM) that focus on building portfolios of assets that will be highly attractive acquisition candidates for larger companies. • Invest in management teams with a demonstrable track record that: • Possess strong technical, financial, managerial and operational capabilities, • Have a geographically focused strategy based on sustainable competitive advantages, • Are able to manage a considerably larger asset base than currently managing, and • Have demonstrated successful risk/return analysis and allocation of capital decisions. • Align interests between Quantum and each portfolio company management team: • Require management team to invest a meaningful portion of their net worth, and • Create a “performance-based” incentive compensation structure. • Actively work with portfolio companies to assist in executing business plan. • Only make investments where multiple exit scenarios are viable. • Maintain a long-term commitment to the energy industry through multiple cycles. • Systematically make investments during periods of below-equilibrium commodity prices and monetize investments during periods of above-equilibrium commodity prices.

9. Rockford Energy Partners, LLC Contact Information Chuck Perrin 918.583.9400 ext. 16 cperrin@rockfordpartners.com 2800 First Place Tower 15 East Fifth Street Tulsa, OK 74103 918.583.9400 Fax 918.583.9410