0000950129-05-006968 Sample Contracts

EXHIBIT 3 AMENDED AND RESTATED INTEREST PURCHASE AGREEMENT BY AND BETWEEN SLOUGH ESTATES PLC

Interest Purchase Agreement • July 11th, 2005 • Santos International Holdings Pty Ltd. • Crude petroleum & natural gas • Texas

• Contract Type
  Interest Purchase Agreement
• Filed
  July 11th, 2005
• Company
  Santos International Holdings Pty Ltd.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

EXHIBIT 2 AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER

Agreement and Plan of Merger • July 11th, 2005 • Santos International Holdings Pty Ltd. • Crude petroleum & natural gas • Texas

• Contract Type
  Agreement and Plan of Merger
• Filed
  July 11th, 2005
• Company
  Santos International Holdings Pty Ltd.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

Joint Filing Agreement

Joint Filing Agreement • July 11th, 2005 • Santos International Holdings Pty Ltd. • Crude petroleum & natural gas

• Contract Type
  Joint Filing Agreement
• Filed
  July 11th, 2005
• Company
  Santos International Holdings Pty Ltd.
• Industry
  Crude petroleum & natural gas

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned does hereby consent and agree to the joint filing on behalf of each of them of a Statement on Schedule 13D and all amendments thereto with respect to the Common Stock, par value $0.02 per share, of Tipperary Corporation beneficially owned by each of them, and to the inclusion of this Joint Filing Agreement as an exhibit thereto.