Common Contracts

48,000,000 Shares OASIS PETROLEUM INC. COMMON STOCK PAR VALUE $0.01 PER SHARE Underwriting Agreement

Oasis Petroleum Inc. • October 21st, 2016 • Crude petroleum & natural gas • New York

• Company
  Oasis Petroleum Inc.
• Filed
  October 21st, 2016
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

Oasis Petroleum Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several Underwriters named in Schedule 1 hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), an aggregate of 48,000,000 shares (the “Firm Shares”) of the common stock, par value $0.01 per share, of the Company (the “Common Stock”). The Company also proposes to sell to the Underwriters, at the option of the Underwriters, up to an additional 7,200,000 shares of Common Stock (the “Option Shares”). The Firm Shares and the Option Shares are herein referred to as the “Shares.”

ENDEAVOUR INTERNATIONAL CORPORATION 35,000,000 Shares of Common Stock, par value $0.001 per share Underwriting Agreement

Endeavour International Corp • October 25th, 2006 • Crude petroleum & natural gas • New York

• Company
  Endeavour International Corp
• Filed
  October 25th, 2006
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

Endeavour International Corporation, a Nevada corporation (the “Company”), proposes to issue and sell to the several Underwriters listed in Schedule I hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), an aggregate of 35,000,000 shares of common stock, par value $0.001 per share, of the Company (the “Underwritten Shares”) and, at the option of the Underwriters, up to an additional 5,250,000 shares of common stock of the Company (the “Option Shares”). The Underwritten Shares and the Option Shares are herein referred to as the “Shares”. The shares of common stock of the Company to be outstanding after giving effect to the sale of the Shares are herein referred to as the “Stock”.