Sampo - Company Announcement

Disclosure Under Chapter 2 Section 9 of the Securities Market Act

SAMPO PLC  STOCK EXCHANGE RELEASE   13 October 2010 at 9.40 am



Disclosure Under Chapter 2 Section 9 of the Securities Market Act

Sampo plc (business code 0142213-3) has on 13 October 2010 received a disclosure
under Chapter 2, Section 9 of the Securities Markets Act, according to which the
total number of Sampo A shares and related voting rights owned by Capital
Research and Management Company has on 11 October 2010 through trades in the
course of ordinary business fallen below one twentieth (1/20) of Sampo plc's
entire stock and voting rights.

Capital Research and Management Company's holding after the disclosure

+-----------------+----------------+--------------+-------------+
|Share type       |Number of shares|Percent (%) of|Percent (%)  |
|                 |                |share capital |voting rights|
+-----------------+----------------+--------------+-------------+
|A share          |                |              |             |
|                 |                |              |             |
|ISIN:FI0009003305|27,804,264      |4.9643        |4.9643       |
+-----------------+----------------+--------------+-------------+
|                 |                |              |             |
|                 |                |              |             |
|B share          |0               |0             |0            |
+-----------------+----------------+--------------+-------------+
|                 |                |              |             |
|                 |                |              |             |
|Total            |27,804,264      |4.9537        |4.9117       |
+-----------------+----------------+--------------+-------------+


Sampo's share capital comprises 561,282,390 shares, of which 560,082,390 are A
shares and 1,200,000 are B shares. Each A share entitles its holder to one (1)
vote and each B share to five (5) votes. Thus, the total number of votes is
566,082,390.



SAMPO PLC

Jarmo Salonen
Head of Investor Relations and Group Communications
tel. +358 10 516 0030



Distribution:
NASDAQ OMX Helsinki
The principal media
Financial Supervisory Authority
www.sampo.com







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