SOURCE: Maverick Energy Group, LTD

January 17, 2007 14:30 ET

Maverick Energy Group, LTD Announces Field Production up 15%

SAN ANTONIO, TX -- (MARKET WIRE) -- January 17, 2007 -- Maverick Energy Group, LTD (PINKSHEETS: MKGP) (Maverick), a member of Z2, LLC, is pleased to announce an update to the Z2 well workover program for Z2, LLC (Z2). The Z2 workovers are part of the initial operations planned by Maverick with funding of $40,000,000 from the Advancing Credit Facility, which Z2 closed with Gasrock Capital, LLC at the end of August 2006.

Approximately 16 of the 22 workovers have been completed and placed back on line and are producing. The overall daily field production has increased by approximately 15% and could increase to 300 barrels of production per day once all the Z2 workovers are completed and producing, which would represent an overall increase of approximately 20%.

"The results of the increased production from the initial reworks are as expected. Maverick is very pleased and plans to complete additional reworks throughout 2007," stated Jim McCabe, CEO of Maverick.

Maverick is the operator of the field and owns an 11.5% member interest in Z2, the owner of the Big Foot Field.

Maverick Energy Group, LTD (formerly Pinnacle Group Unlimited, Inc) is the Operator of the "Big Foot Field" in Texas, originally developed by Royal Dutch Shell (RDS-A). It has approximately 300 production wells in the field of which approximately 240 are presently revenue producing. PGPU/Maverick is also the part owner of several producing natural gas wells and owns additional natural gas leases in West Virginia.

Further information can be found at http://www.maverickenergygroup.com/ or http://www.pinksheets.com/

This release includes forward-looking statements, which are based on certain assumptions and reflects management's current expectations. These forward-looking statements are subject to a number of risks and uncertainties that could cause actual results or events to differ materially from current expectations. Some of these factors include: general global economic conditions; general industry and market conditions and growth rates; uncertainty as to whether our strategies and business plans will yield the expected benefits; increasing competition; availability and cost of capital; the ability to identify and develop and achieve commercial success for new products and technologies; the level of expenditures necessary to maintain and improve the quality of products and services; changes in technology; changes in laws and regulations, includes codes and standards, intellectual property rights, and tax matters; the uncertainty of the oil & gas market; including the geopolitical environment not anticipated; our ability to secure and maintain strategic relationships and distribution agreements. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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