0001057352-11-000070 Sample Contracts

AGREEMENT AND PLAN OF MERGER dated as of April 27, 2011 among LOOPNET, INC., COSTAR GROUP, INC. and LONESTAR ACQUISITION SUB, INC.

Merger Agreement • April 28th, 2011 • Costar Group Inc • Services-business services, nec • Delaware

• Contract Type
  Merger Agreement
• Filed
  April 28th, 2011
• Company
  Costar Group Inc
• Industry
  Services-business services, nec
• Jurisdiction
  Delaware

AGREEMENT AND PLAN OF MERGER (this “Agreement”) dated as of April 27, 2011, among LoopNet, Inc., a Delaware corporation (the “Company”), CoStar Group, Inc., a Delaware corporation (“Parent”), and Lonestar Acquisition Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Subsidiary”).

VOTING AND SUPPORT AGREEMENT

Voting and Support Agreement • April 28th, 2011 • Costar Group Inc • Services-business services, nec • Delaware

• Contract Type
  Voting and Support Agreement
• Filed
  April 28th, 2011
• Company
  Costar Group Inc
• Industry
  Services-business services, nec
• Jurisdiction
  Delaware

VOTING AND SUPPORT AGREEMENT (the “Agreement”), dated as of April 27, 2011 between the Persons listed on Schedule A hereto (“Stockholders”), CoStar Group, Inc., a Delaware corporation (“Parent”) and LoopNet, Inc., a Delaware corporation (the “Company”). All capitalized terms used but not defined herein shall have the meanings assigned to them in the Merger Agreement (defined below).