Sampo - Major shareholder announcements

Disclosure Under Chapter 9 Section 5 of the Securities Market Act

SAMPO PLC                 STOCK EXCHANGE RELEASE  12 December 2017 at 9:45 am



Disclosure Under Chapter 9 Section 5 of the Securities Market Act

Sampo plc (business code 0142213-3) has yesterday received a disclosure under
Chapter 9, Section 5 of the Securities Markets Act. According to the
notification the number of voting rights attached to Sampo A shares (ISIN:
FI009003305) owned by Capital Income Builder (CIB) decreased on 8 December 2017
to under five (5) per cent of Sampo plc's total voting rights. The number of
shares remained above five (5) per cent of total number of Sampo plc's A shares.

CIB is a mutual fund registered in the United States under Investment Company
Act of 1940. CIB is the legal owner of shares in Sampo plc. CIB has delegated
proxy voting authority to its investment adviser, Capital Research and
Management Company (CRMC), a 100 per cent owned subsidiary of the Capital Group
Companies, Inc. (CGC). The notification submitted on behalf of The Capital Group
Companies, Inc. dated 3 September 2012 included CIB's holdings.

Sampo's share capital comprises 560,000,000 shares, of which 558,800,000 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
564,800,000.

Total positions of Capital Income Builder (CIB) and its funds subject to the
notification:

+----------------------+----------------+---------------------+----------------+
|                      |% of shares and |% of shares and      |Total of both in|
|                      |voting rights   |voting rights through|% (A+B)         |
|                      |(total of A)    |financial instruments|                |
|                      |                |(total of B)         |                |
+----------------------+----------------+---------------------+----------------+
|Resulting situation on|5.02% of shares |N.A.                 |5.02% of shares |
|the date on which     |                |                     |                |
|threshold was crossed |4.98% of voting |N.A.                 |4.98% of voting |
|or reached            |rights          |                     |rights          |
+----------------------+----------------+---------------------+----------------+
|Positions of previous |5.10% of shares |N.A.                 |5.10% of shares |
|notification (if      |                |                     |                |
|applicable)           |5.06% of voting |N.A.                 |5.06% of voting |
|                      |rights          |                     |rights          |
|                      |                |                     |                |
+----------------------+----------------+---------------------+----------------+



Notified details of the resulting situation on the date on which the threshold
was crossed:

A: Shares and voting rights:

+------------------+--------------------------------+--------------------------+
|Class/type of     |Number of shares and voting     |% of shares and voting    |
|shares            |rights                          |rights                    |
|ISIN code         +-----------------+--------------+------------+-------------+
|                  |Direct           |Indirect      |Direct      |Indirect     |
|                  |(SMA 9:5)        |(SMA 9:6 and  |(SMA 9:5)   |(SMA 9:6 and |
|                  |                 |9:7)          |            |9:7)         |
+------------------+-----------------+--------------+------------+-------------+
|FI0009003305      |28,130,574 shares|N.A.          |5.02% of    |             |
|                  |and voting rights|              |shares and  |             |
|                  |                 |              |4.98% of    |             |
|                  |                 |              |voting      |             |
|                  |                 |              |rights      |             |
+------------------+-----------------+--------------+------------+-------------+
|SUBTOTAL A        |28,130,574 shares and voting    |5.02% of shares and       |
|                  |rights                          |4.98%% of voting rights   |
+------------------+--------------------------------+--------------------------+



SAMPO PLC

Maria Silander
Communications Manager
tel. +358 10 516 0031



Distribution:
Nasdaq Helsinki
London Stock Exchange
The principal media
Financial Supervisory Authority
www.sampo.com


[]