Mandatum plc: Disclosure Under Chapter 9 Section 5 of the Securities Market Act (T. Rowe Price Group, Inc.)

Mandatum Plc, Stock exchange release, 12 June 2025 at 1:30 p.m. EEST

Mandatum plc (Business ID 3355142-3) has received a notification, pursuant to
Chapter 9, Section 5 of the Finnish Securities Markets Act, that T. Rowe Price
Group, Inc.'s (USA) indirect holding of the shares in Mandatum plc has increased
above the threshold of 5 per cent on 6 June 2025. According to the additional
information provided in the notification, T. Rowe Price Group's total beneficial
ownership is over 5 per cent, while the ownership of voting rights remains below
5 per cent at this time.

Total positions of T. Rowe Price Group, Inc., subject to the notification:

+----------------+----------+------------------+-----+----------------------+
|                |%of shares|% of shares and   |Total|Total number of shares|
|                |and       |voting rights     |of   |and voting rights of  |
|                |voting    |through financial |both |issuer                |
|                |rights    |instruments (total|in % |                      |
|                |(total    |of B)             |(A+B)|                      |
|                |of A)     |                  |     |                      |
+----------------+----------+------------------+-----+----------------------+
|Resulting       |5.00%     |                  |5.00%|502,696,752           |
|situation on the|          |                  |     |                      |
|date on         |          |                  |     |                      |
|which threshold |          |                  |     |                      |
|was crossed or  |          |                  |     |                      |
|reached         |          |                  |     |                      |
+----------------+----------+------------------+-----+----------------------+
|Positions of    |          |                  |     |                      |
|previous        |          |                  |     |                      |
|notification    |          |                  |     |                      |
|(if applicable) |          |                  |     |                      |
+----------------+----------+------------------+-----+----------------------+

Notified details of the resulting situation on the date on which the threshold
was crossed:
A: Shares and voting rights

+------------+---------+------------------------+---------+-------------------+
|Class/type  |Number of shares and voting rights|% of shares and voting rights|
|of shares   |                                  |                             |
|            |                                  |                             |
|ISIN code   |                                  |                             |
+------------+---------+------------------------+---------+-------------------+
|            |Direct   |Indirect                |Direct   |Indirect           |
|            |         |(SMA 9:6 and 9:7)       |(SMA 9:5)|(SMA 9:6 and 9:7)  |
|            |(SMA 9:5)|                        |         |                   |
+------------+---------+------------------------+---------+-------------------+
|FI4000552526|         |25,170,084              |         |5.00%              |
+------------+---------+------------------------+---------+-------------------+
|SUBTOTAL A  |25,170,084                        |5.00%                        |
+------------+---------+------------------------+---------+-------------------+

B: Financial instruments according to SMA 9:6a

+----------+----------+--------------+-----------+-----------------+-----------+
|Type of   |Expiration|Exercise/Conve|Physical or|Number of shares |% of shares|
|financial |date      |rsion Period  |cash       |and voting rights|and voting |
|instrument|          |              |settlement |                 |rights     |
+----------+----------+--------------+-----------+-----------------+-----------+
|          |          |              |           |                 |           |
+----------+----------+--------------+-----------+-----------------+-----------+
|          |          |              |           |                 |           |
+----------+----------+--------------+-----------+-----------------+-----------+
|          |          |              |SUBTOTAL B |                 |           |
+----------+----------+--------------+-----------+-----------------+-----------+

Full chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held starting with the ultimate
controlling natural person or legal entity:

+-------------+-----------+-----------------------------+-------------+
|Name         |% of shares|% of shares and voting rights|Total of both|
|             |and voting |through financial instruments|             |
|             |rights     |                             |             |
+-------------+-----------+-----------------------------+-------------+
|T. Rowe Price|           |                             |             |
|Associates,  |           |                             |             |
|Inc.         |           |                             |             |
+-------------+-----------+-----------------------------+-------------+
|T. Rowe Price|5.00%      |                             |5.00%        |
|International|           |                             |             |
|Ltd          |           |                             |             |
+-------------+-----------+-----------------------------+-------------+
|             |           |                             |             |
+-------------+-----------+-----------------------------+-------------+

Additional information:

Lotta Borgström
VP, Investor Relations
Tel. +358 50 022 1027
lotta.borgstrom(a)mandatum.fi

Niina Riihelä
SVP, Communications, brand and sustainability
Tel. +358 40 728 1548
niina.riihela(a)mandatum.fi

Mandatum in brief
Mandatum is a major financial services provider that combines expertise in
wealth management and life insurance.Mandatum offers clients a wide array of
services covering asset and wealth management, savings and investment,
compensation and rewards as well as pension plans and personal risk insurance.
Mandatum offers services to corporate, retail, institutional and wealth
management clients.At the centre of Mandatum's success are highly skilled
personnel, a strong brand as well as a proven investment track record.
mandatum.fi/en/group (https://www.mandatum.fi/en/group/)

Distribution:

Nasdaq Helsinki

Financial Supervisory Authority

Key media

www.mandatum.fi (https://www.mandatum.fi/en/)