YIT Corporation Stock Exchange Release October 18, 2016 at 18:15 p.m.
YIT Corporation has on October 18, 2016 received an announcement under Chapter
9, Section 5 of the Securities Markets Act, according to which the holding of
JPMorgan Chase & Co. and its funds in YIT has fallen below the threshold of 5
per cent. According to the announcement, the holding had fallen below the
threshold on October 17, 2016.

According to the announcement, the total number of YIT shares owned directly or
through financial instruments by JPMorgan Chase & Co. and its funds was 4.92 per
cent of YIT's total number of shares and voting rights on October 17, 2016.

YIT has one share series, each share entitling to one vote. YIT’s registered
total number of shares amounting to 127,223,422 has been used in the calculation
of percentages for the announcement.

Total positions of JPMorgan Chase & Co. and its funds subject to the
notification:

+----------------+-------------+------------------+-------------+
|Date            |% shares and |% of shares and   |Total of both|
|                |voting       |voting rights     |in % (A+B)   |
|                |rights (total|through financial |             |
|                |of A)        |instruments (total|             |
|                |             |of B)             |             |
+----------------+-------------+------------------+-------------+
|Resulting       |4.92%        |0.00%             |4.92%        |
|situation on the|             |                  |             |
|date on         |             |                  |             |
|which threshold |             |                  |             |
|was crossed or  |             |                  |             |
|reached         |             |                  |             |
+----------------+-------------+------------------+-------------+
|Position   of   |5.02%        |0.00%             |5.02%        |
|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 of|Number of         |% of shares and voting rights    |
|shares       |shares            |                                 |
|  ISIN code  |and               |                                 |
|(if          |voting            |                                 |
|possible)    |rights            |                                 |
+-------------+-------+----------+------------+--------------------+
|             |Direct |Indirect  |Direct      |Indirect            |
|             |  (SMA |  (SMA 9:6|  (SMA 9:5) |  (SMA 9:6 and 9:7) |
|             |9:5)   |and 9:7)  |            |                    |
+-------------+-------+----------+------------+--------------------+
|FI0009800643 |       |6,252,555 |            |4.92%               |
+-------------+-------+----------+------------+--------------------+
|SUBTOTAL A   |6,252,555         |4.92%                            |
+-------------+-------+----------+------------+--------------------+

B: Financial instruments according to SMA 9:6a:

+-------------+----------+----------+-------------+---------+----------------+
|Type of      |Expiration|Exercise/ |Physical or  |Number of|% of shares and |
|financial    |date      |Conversion|cash         |shares   |voting rights   |
|instrument   |          |Period    |settlement   |and      |                |
|             |          |          |             |voting   |                |
|             |          |          |             |rights   |                |
+-------------+----------+----------+-------------+---------+----------------+
|Contract for |N/A       |N/A       |Cash         |6,161    |0.00%           |
|difference   |          |          |settlement   |         |                |
+-------------+----------+----------+-------------+---------+----------------+
|             |          |          |SUBTOTAL B   |6,161    |0.00%           |
+-------------+----------+----------+-------------+---------+----------------+

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     |                             |             |
+---------------+-----------+-----------------------------+-------------+
|J.P Morgan     |0.00%      |                             |0.00%        |
|Investment     |           |                             |             |
|Management Inc.|           |                             |             |
+---------------+-----------+-----------------------------+-------------+
|J.PMorgan Asset|4.92%      |0.00%                        |4.92%        |
|Management (UK)|           |                             |             |
|Limited        |           |                             |             |
+---------------+-----------+-----------------------------+-------------+

For further information please contact:

Hanna Jaakkola, Vice President, Investor Relations, YIT Corporation, tel. +358
40 5666 070, hanna.jaakkola@yit.fi

YIT CORPORATION

Hanna Jaakkola
Vice President, Investor Relations

Distribution: NASDAQ OMX, major media, www.yitgroup.com

YIT creates better living environment by developing and constructing housing,
business premises, infrastructure and entire areas. Our vision is to bring more
life in sustainable cities. We want to focus on caring for customer, visionary
urban development, passionate execution and inspiring leadership. Our growth
engine is urban development involving partners. Our operating area covers
Finland, Russia, the Baltic countries, the Czech Republic, Slovakia and Poland.
In 2015, our revenue amounted to nearly EUR 1.7 billion, and we employ about
5,300 employees. Our share is listed on Nasdaq
Helsinki.www.yitgroup.com (https://yitgroup.sharepoint.com/sites/workspaces/inve
s 
tor_relations/Documents/Releases%20and%20investor%20news/2016/www.yitgroup.com)