TGS - Investor Relations - Shareholder Distribution

Shareholder Distribution

The Largest Shareholders in TGS-NOPEC Geophysical Company ASA as of October 7th, 2008 as registered with VPS:

Rank	Shareholder	Country	Shares	%
1	FOLKETRYGDFONDET	NOR	8 533 250	8,3%
2	STATE STREET BANK AND TRUST CO.	USA	6 770 260	6,6%
3	PARETO AKSJE NORGE	NOR	2 978 500	2,9%
4	CLEARSTREAM BANKING S.A.	LUX	2 546 874	2,5%
5	GOLDMAN SACHS INT. - EQUITY -	GBR	2 354 561	2,3%
6	VERDIPAPIRFOND ODIN NORGE	NOR	2 337 500	2,3%
7	JPMORGAN CHASE BANK	GBR	2 273 189	2,2%
8	VITAL FORSIKRING ASA	NOR	2 160 701	2,1%
9	MORGAN STANLEY NORWAY EQUITY DEPOT	GBR	2 077 902	2,0%
10	BANK OF NEW YORK, BRUSSELS BRANCH	BEL	2 064 080	2,0%
11	HAMILTON, HENRY H.	USA	2 000 000	1,9%
12	WORTHINGTON, DAVID W.	USA	1 938 124	1,9%
13	MELLON BANK AS AGENT FOR CLIENTS	USA	1 737 301	1,7%
14	PARETO AKTIV	GBR	1 532 600	1,5%
15	PICTET & CIE BANQUIERS	SWI	1 509 000	1,5%
16	UBS AG, LONDON BRANCH	GBR	1 495 385	1,5%
17	DNB NOR NORGE (IV)	NOR	1 480 000	1,4%
18	STATE STREET BANK AND TRUST CO.	USA	1 460 874	1,4%
19	VERDIPAPIRFONDET KLP AKSJENORGE	NOR	1 369 500	1,3%
20	ODIN OFFSHORE	NOR	1 300 000	1,3%
	20 LARGEST ALL		49 919 601 102 920 500	48,5% 100,0%