Common Contracts

Compagnie Générale de Géophysique 71/2% Senior Notes due 2015 PURCHASE AGREEMENT

Purchase Agreement • May 9th, 2006 • General Geophysics Co • Oil & gas field exploration services • New York

• Contract Type
  Purchase Agreement
• Filed
  May 9th, 2006
• Company
  General Geophysics Co
• Industry
  Oil & gas field exploration services
• Jurisdiction
  New York

Compagnie Généralé de Géophysique 71/2% Senior Notes due 2015 PURCHASE AGREEMENT

Purchase Agreement • July 13th, 2005 • SERCEL Canada LTD • Oil & gas field exploration services • New York

• Contract Type
  Purchase Agreement
• Filed
  July 13th, 2005
• Company
  SERCEL Canada LTD
• Industry
  Oil & gas field exploration services
• Jurisdiction
  New York

CREDIT SUISSE FIRST BOSTON (EUROPE) LIMITED BNP PARIBAS SECURITIES CORP. As representatives of the Purchasers (as defined below) c/o Credit Suisse First Boston (Europe) Limited (“CSFB”) One Cabot Square London, England E14 4QJ