Mark Bentley to Join Greenhill as a Managing Director in London

NEW YORK, September 14, 2010 - Greenhill & Co. Inc. (NYSE: GHL), a leading independent investment bank,
announced today that Mark Bentley will join the Firm as a Managing Director
based in London. He will focus at Greenhill on advising major European
companies on mergers and acquisitions in the energy sector.

Mr. Bentley has spent his career focused on advising companies in energy,
utilities and resource businesses. He has 24 years of relevant experience,
including 11 years in investment banking, most recently as Co-Global Head of
the Resources and Energy Group at HSBC. His prior investment banking
experience included roles at JP Morgan Chase, Lehman Brothers and BZW. He
joins the Firm from CQS, a leading London-based investment firm which he
joined in 2007 to focus on the energy sector.

Scott L. Bok, Chief Executive Officer of Greenhill, said, "This important
addition further strengthens Greenhill's industry sector and geographic
coverage and complements the several partners we already have in place in
North America, Europe and Australia focused on various segments of the energy
business."

Brian Cassin, Co-Head of European Corporate Advisory, said, "We are
delighted that Mark has agreed to join Greenhill. We have great confidence
that he will help us continue to develop Greenhill's advisory activities in
the energy sector across Europe."

Greenhill & Co., Inc. is a leading independent investment bank focused on
providing financial advice on significant mergers, acquisitions,
restructurings financings and capital raising to corporations, partnerships,
institutions and governments. It acts for clients located throughout the
world from its offices in New York, London, Frankfurt, Sydney, Tokyo,
Toronto, Chicago, Dallas, Houston, Los Angeles, Melbourne and San Francisco.

    Contact:
    Richard J. Lieb
    Chief Financial Officer
    Greenhill & Co. Inc.
    +1-212-389-1800

Richard J. Lieb, Chief Financial Officer of Greenhill & Co. Inc., +1-212-389-1800