EXHIBIT 3
AGREEMENT OF JOINT FILING
The undersigned hereby agree that they are filing jointly pursuant to Rule
13d-1(k)(l) of the Exchange Act the statement dated January __, 1999,
containing the information required by Schedule 13D, for the Ordinary
Shares of Compagnie Generale de Geophysique held by CGG Investors, LLC, a
Delaware limited liability company, and GF Ltd. Transaction Partnership,
L.P.
Dated: February 4, 2000
ENERGY FUND II GP, LLC
By: /s/ Xxxx X. XxxXxxxxxxx
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Authorized Signatory*
BEACON ENERGY INVESTORS II, LP
By: Energy Fund II GP, LLC
By: /s/ Xxxx X. XxxXxxxxxxx
-------------------------------------
Authorized Signatory*
THE BEACON GROUP ENERGY INVESTMENT FUND II, L.P.
By: Beacon Energy Investors II, LP
By: Energy Fund II GP, LLC
By: /s/ Xxxx X. XxxXxxxxxxx
----------------------------
Authorized Signatory*
CGG INVESTORS LLC
By: The Beacon Group Energy Investment Fund II, L.P.
By: Beacon Energy Investors II, LP
By: Energy Fund II GP, LLC
By: /s/ Xxxx X. XxxXxxxxxxx
---------------------------
Authorized Signatory*
GF LTD. TRANSACTION PARTNERSHIP, L.P.
By: Beacon Energy Investors II, LP
By: Energy Fund II GP, LLC
By: /s/ Xxxx X. XxxXxxxxxxx
-----------------------------
Authorized Signatory*
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* A Power of Attorney authorizing Xxxx XxxXxxxxxxx to act on behalf of Energy
Fund II GP, LLC is filed herewith as Exhibit 4.
