Common Contracts

November 20, 2017

Underwriting Agreement • November 22nd, 2017 • Big Rock Partners Acquisition Corp. • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  November 22nd, 2017
• Company
  Big Rock Partners Acquisition Corp.
• Industry
  Blank checks
• Jurisdiction
  New York

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Big Rock Partners Acquisition Corp., a Delaware corporation (the “Company”), and EarlyBirdCapital, Inc., as representative of the several underwriters (the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of 6,000,000 of the Company’s units (the “Units”), each comprised of one share of the Company’s common stock, par value $0.001 per share (the “Common Stock”), one right (each, a “Right”) and one-half of one warrant (each, a “Warrant”). Each Right entitles the holder thereof to receive one-tenth (1/10) of one share of Common Stock upon the consummation of a Business Combination. Each whole Warrant entitles the holder thereof to purchase one share of the Common Stock at a price of $11.50 per share, subject to adjustment. The Units shall be sold in the Public Offering pursuant

Big Rock Partners Acquisition Corp. Suite 230 Delray Beach, FL 33483 EarlyBirdCapital, Inc. New York, New York 10017 Re: Initial Public Offering Ladies and Gentlemen:

Underwriting Agreement • November 14th, 2017 • Big Rock Partners Acquisition Corp. • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  November 14th, 2017
• Company
  Big Rock Partners Acquisition Corp.
• Industry
  Blank checks
• Jurisdiction
  New York

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Big Rock Partners Acquisition Corp., a Delaware corporation (the “Company”), and EarlyBirdCapital, Inc., as representative of the several underwriters (the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of 5,000,000 of the Company’s units (the “Units”), each comprised of one share of the Company’s common stock, par value $0.001 per share (the “Common Stock”), one right (each, a “Right”) and one-half of one warrant (each, a “Warrant”). Each Right entitles the holder thereof to receive one-tenth (1/10) of one share of Common Stock upon the consummation of a Business Combination. Each whole Warrant entitles the holder thereof to purchase one share of the Common Stock at a price of $11.50 per share, subject to adjustment. The Units shall be sold in the Public Offering pursuant