•    University of Kansas School of Law, J.D., 1978
        o    Kansas Law Review, staff member and research editor
•    University of Kansas, B.A., Accounting and Business Administration, 1975

•    California Supreme Court
•    Kansas Supreme Court
•    Texas Supreme Court
•    United States District Court, District of Kansas
•    United States Tax Court
•    United States Court of Appeals, 10th Circuit

David has given numerous presentations on mergers and acquisitions, taxation and corporate law.

•    Missouri/Kansas SuperLawyer Honoree
•    University of Kansas School of Law, former adjunct professor of law (teaching business planning)
•    California Bar Association
•    Kansas Bar Association
•    Texas Bar Association
•    Wichita Bar Association
•    Fair Fares, board member
•    International Orthodox Christian Charities, board member
•    Currently serves as Executive Vice-President, General Counsel and Secretary of
     Petrohawk Energy Corporation.

•    George Laham, Laham Development Company, and related entities
•    Mitchell Energy Advisors, LLC
•    Petrohawk Energy Corporation
•    Proton Holdings, L.P.
•    Rand Graphics, Inc.
•    Seismic Ventures, Inc.
•    Universal Lubricants, LLC

•   Represented Petrohawk Energy Corporation, a publicly traded energy company based in Houston,
     Texas, in connection with its corporate, securities and acquisition/divestitures matters
     including the following: $2 billion merger with KCS Energy, Inc. (July 2006); $775 million
     high-yield debt offering (July 2006); $1 billion credit facility with bank group led by BNP
     Paribas (July 2006); $300 million acquisition of stock of Winwell Resources, Inc. and
     assets of Redley Company (January 2006); $190 million private placement of common stock
     (February 2006); $550 million merger with Mission Resources Corporation (July 2005); $53
     million acquisition of Proton Oil & Gas Corporation (2005); $80 million divesture of
     certain properties to Noble Royalties (2005); $425 million acquisition of Wynn Crosby
     and $200 million private placement of preferred stock (2004).

•    Represents (1991-present) Rand Graphics, Inc., a large privately owned printing company that
     provides products and services to companies throughout the United States.

•    Represents (1982-present) Universal Lubricants, Inc., a manufacturer and distributor of
     lubrication products and a provider of environmental and used oil collection and
     remanufacturing services throughout the Midwest and southwestern United States.

•    Represents Seismic Ventures, Inc. and its parent, Proton Holdings, L.P., Houston-based companies.

•    Represents (1991-present) George Laham, Laham Development Company, and related entities.

•    Represents Mitchell Energy Advisors, L.L.C., a Dallas-based investment bank.

•    Represented Amadeus Petroleum Limited, an Australian publicly traded company in connection

     with its $58.5 million acquisition of substantially all of the assets of White Eagle Corp.

•    Represented Houston-based, publicly traded 3TEC Energy Corporation in connection with its $443
     million merger with Plains Exploration & Production Company in 2003. Prior to such
     merger, represented 3TEC in connection with corporate matters and transactions with
     various entities, including Classic Resources, Inc. (stock purchase in 2003); $75 million
     secondary offering of public equity (2000); C.W. Resources, Inc. (2000); Magellan Exploration
     LLC (merger 2000); Middle Bay Oil Company, a public company (stock purchase 1999); The
     Prudential Insurance Company of America (stock purchase in 1999); Pel-Tex (1999); Floyd Oil
     Company (asset purchase in 1999); and EnCap Investments, L.C. (1998).

•    Represented Hugoton Energy Corporation, a Wichita-based publicly traded company,
     from its inception in 1993 to its $300 million merger with Chesapeake Energy
     Corporation in 1998. Also represented Hugoton in connection with corporate
     matters and various transactions including transactions with Odyssey Partners,
     L.P. (stock purchase 1993); Prudential Insurance Company of America (asset
     purchase in 1993); initial public offering of shares (1994); Consolidated Oil
     & Gas, Inc. ( merger in 1995); and Bank One Texas N.A. (various financings).

•    Represented PepsiCo, Inc. in connection with its sale of certain assets to Case-Swayne Co., Inc.

•    Represented Precision Profiling, Inc. in connection with its sale of substantially all of its
     assets to a wholly owned subsidiary of Thayer Aerospace Consolidated, L.L.C.