Common Contracts

December __, 2005 Highbury Financial Inc. Denver, Colorado 80202 ThinkEquity Partners LLC New York, New York 10019 EarlyBirdCapital, Inc. New York, New York 10016

Underwriting Agreement • December 20th, 2005 • Highbury Financial Inc • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  December 20th, 2005
• Company
  Highbury Financial Inc
• Industry
  Blank checks
• Jurisdiction
  New York

This letter is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Highbury Financial Inc., a Delaware corporation (the “Company”), ThinkEquity Partners LLC and EarlyBirdCapital, Inc. (the “Underwriters”), relating to an underwritten initial public offering (the “IPO”) of the Company’s units (the “Units”), each comprised of one share of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), and two warrants, each of which is exercisable for one share of Common Stock (each, a “Warrant”). Certain capitalized terms used herein are defined in paragraph 12 hereof.

Highbury Financial Inc. Denver, Colorado 80202 ThinkEquity Partners LLC New York, New York 10019 EarlyBirdCapital, Inc. New York, New York 10016 Re: Initial Public Offering Ladies and Gentlemen:

Underwriting Agreement • December 9th, 2005 • Highbury Financial Inc • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  December 9th, 2005
• Company
  Highbury Financial Inc
• Industry
  Blank checks
• Jurisdiction
  New York

This letter is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Highbury Financial Inc., a Delaware corporation (the “Company”), ThinkEquity Partners LLC and EarlyBirdCapital, Inc. (the “Underwriters”), relating to an underwritten initial public offering (the “IPO”) of the Company’s units (the “Units”), each comprised of one share of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), and two warrants, each of which is exercisable for one share of Common Stock (each, a “Warrant”). Certain capitalized terms used herein are defined in paragraph 12 hereof.

Highbury Financial Inc. Denver, Colorado 80202 EarlyBirdCapital, Inc. New York, New York 10016 ThinkEquity Partners LLC New York, New York 10019 Re: Initial Public Offering Ladies and Gentlemen:

Underwriting Agreement • September 23rd, 2005 • Highbury Financial Inc • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  September 23rd, 2005
• Company
  Highbury Financial Inc
• Industry
  Blank checks
• Jurisdiction
  New York

This letter is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Highbury Financial Inc., a Delaware corporation (the “Company”), ThinkEquity Partners LLC and EarlyBirdCapital, Inc. (the “Underwriters”), relating to an underwritten initial public offering (the “IPO”) of the Company’s units (the “Units”), each comprised of one share of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), and two warrants, each of which is exercisable for one share of Common Stock (each, a “Warrant”). Certain capitalized terms used herein are defined in paragraph 10 hereof.