TRANSFER AGENT AND REGISTRAR
American Stock Transfer & Trust Company (AST) acts as registrar and transfer agent for Greenhill Common Stock and maintains all stockholder records. AST can assist you with stock transfers, address corrections or changes, lost stock certificates or duplicate mailings. AST may be contacted by writing or calling:

American Stock Transfer & Trust Company
59 Maiden Lane
Plaza Level
New York, New York 10038
1-866-668-6550

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
Ernst & Young LLP
5 Times Square
New York, New York 10036
1-212-773-3000