EXHIBIT E
Agreement to Joint Filing
The Shell Petroleum Company Limited
The undersigned agrees that Amendment No. 3 to the Schedule 13D executed by
Shell Capital Limited to which this Agreement to Joint Filing is attached as an
exhibit is filed on behalf of The Shell Petroleum Company Limited pursuant to
Rule 13d-1(k)(1) of the Securities Exchange Act of 1934.
Dated: May 3, 2002
THE SHELL PETROLEUM
COMPANY LIMITED
By: /s/ Jyoti Xxxxx Xxxxxxx
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Name: Jyoti Xxxxx Xxxxxxx
Title: Company Secretary