Summary of HALLADOR PETROLEUM CO

Item 1.01 Entry into a Material Definitive Agreement

On July 24, 2008, Hallador Petroleum Company ("Hallador") entered into ten (10) Amended and Restated Purchase and Sale Agreements (collectively, the "Purchase Agreements") to purchase a total of an additional 20% membership interest in Sunrise Coal, LLC, an Indiana limited liability company ("Sunrise"), from certain of the existing members for an aggregate purchase price of $11,764,666.96. Following the purchase, Hallador owns an aggregate of 80% of the outstanding membership interests in Sunrise. Our CEO, Victor Stabio, continues as a member of the Board of Managers of Sunrise.

The above description is a summary and is qualified in its entirety by the terms of the Purchase Agreements, a form of which is incorporated herein by reference as Exhibit 10.1 to this Current Report.

Item 3.02 Unregistered Sales of Equity Securities

On July 21, 2008, Hallador sold 5,500,000 shares of common stock (the "Shares"), par value $0.01, for an aggregate cash purchase price of $22,000,000. The Shares were offered and sold to investors in a private placement transaction made in reliance upon exemptions from registration pursuant to Section 4(2) of the Securities Act of 1933, as amended. The proceeds from the sale of the Shares will be used for general corporate purposes and for the purchase of the additional membership interests in Sunrise as described in Item 1.01 of this Current Report.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Election of Director

On July 24, 2008, the Board of Directors of Hallador appointed Sheldon Lubar as a director of the Company to fill the vacancy on the Board of Directors created by the death of director Cortlandt S. Dietler on July 10, 2008.

Mr. Lubar is a principal of Lubar Equity Fund, LLC, which was one of the purchasers of the Shares in the private placement of Hallador's common stock described in Item 3.02 of this Current Report. Lubar Equity Fund, LLC paid an aggregate of $2,182,668 for the purchase of 545,667 Shares in that private placement. Lubar Equity Fund, LLC also participated in a private placement completed by the Hallador in October 2007, in which Lubar Equity Fund, LLC purchased 806,452 shares of common stock for an aggregate purchase price of $2,500,001.20.

Restricted Stock Unit Issuance Agreements

On July 24, 2008, Hallador entered into Restricted Stock Unit Issuance Agreements (the "RSU Agreements") with (i) Victor P. Stabio, Hallador's Chief Executive Officer, President and Chief Financial Officer, (ii) Brent Bilsland, President of Sunrise, and (iii) Larry Martin, Chief Financial Officer of Sunrise (collectively, the "RSU Recipients").

Mr. Stabio was granted 450,000 restricted stock units ("RSUs"), Mr. Bilsland was granted 300,000 RSUs, and Mr. Martin was granted 10,000 RSUs, all of which vest on July 7, 2011, subject to each of the RSU Recipients' continuing employment with the Hallador or Sunrise, as applicable, and subject to acceleration in accordance with the terms of the RSU Agreements. Upon vesting, each RSU entitles the RSU Recipients to receive one share of common stock. If the RSU Recipient's employment with Hallador or Sunrise, as the case may be, ceases for any reason prior to vesting, the RSUs will be cancelled and the RSU Recipient will no longer have any right to receive any shares of common stock.

A form of the RSU Agreements is filed as Exhibit 10.2 to this Current Report and is incorporated herein by reference.