The Management Board of Mostostal Warszawa S.A. („the Company”) hereby informs that the Company received a notification pursuant to Article 69 par. 1 of Act on Public Offering, Conditions Governing the Introduction of Financial Instruments to Organised Trading, and on Public Companies of July 29, 2005 from Acciona Infraestructuras S.A. with its registered office in Madrid regarding exceeding the threshold of 50% of the total amount of votes on the General Meeting of the Company.

The content of the notification:

„Acting on behalf of Acciona Infraestructuras S.A., in which Acciona S.A. holds 100% shares, with its registered office in Madrid, pursuant to Article 69 of Act on Public Offering, Conditions Governing the Introduction of Financial Instruments to Organised Trading, and on Public Companies of July 29, 2005 I hereby notify about exceeding the threshold of 50% of the total number of votes at the General Meeting of Mostostal Warszawa S.A. with its registered office in Warsaw.

Acciona Infraestructuras S.A. exceeded the threshold of 50% of the total number of votes at the General Meeting of the Company on 6^th of October 2016 during the session on the regulated market of Warsaw Stock Exchange S.A. as a result of the acquisition of shares from the dominant company of Acciona Infraestructuras SA - Acciona S.A. with its registered office in Madrid ("Dominant Company"), being 100% shareholder of Acciona Infraestructuras S.A., pursuant to which the Dominant Company, sold to Acciona Infraestructuras S.A. 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares, representing 50,09% of the share capital and entitling to 10,018,733 votes at the general meeting, which represents 50,09% of the total number of votes at the General Meeting ("Acquisition").

Before the Acquisition Acciona Infraestructuras S.A. and its subsidiaries did not hold any shares of the Company.

After the Acquisition of shares of the Company Acciona Infraestructuras S.A. holds a total of 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares of the Company, representing 50,09% of the Company’s share capital and entitling to 10,018,733 votes at the general meeting, which represents 50,09% of the total number of votes at the General Meeting of the Company.

Acciona Infraestructuras S.A. is not planning to increase its share in the total number of votes in the Company over the period of 12 months from this notification.

Acciona Infraestructuras S.A. does not have any subsidiaries holding shares of the Company (article 69, paragraph. 4 Section 5 of the Act on Public Offering).

Acciona Infraestructuras S.A. is not apartytoany agreement whose subject matter is transfer of the right to exercise the voting right. (article 69, paragraph. 4 Section 6 of the Act on Public Offering).

At the same time, in accordance with Article. 6 § 1 of the Code of Commercial Companies, Acciona Infraestructuras S.A. notifies that in connection with the above-described acquisition of 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares of the Company Acciona Infraestructuras S.A. has become a dominant company of the Company.”

The Management Board of Mostostal Warszawa S.A. („the Company”) hereby informs that the Company received a notification pursuant to Article 69 par. 1 of Act on Public Offering, Conditions Governing the Introduction of Financial Instruments to Organised Trading, and on Public Companies of July 29, 2005 from Acciona Infraestructuras S.A. with its registered office in Madrid regarding exceeding the threshold of 50% of the total amount of votes on the General Meeting of the Company.

 The content of the notification:

„Acting on behalf of Acciona Infraestructuras S.A., in which Acciona S.A. holds 100% shares, with its registered office in Madrid, pursuant to Article 69 of Act on Public Offering, Conditions Governing the Introduction of Financial Instruments to Organised Trading, and on Public Companies of July 29, 2005 I hereby notify about exceeding the threshold of 50% of the total number of votes at the General Meeting of Mostostal Warszawa S.A. with its registered office in Warsaw.

 Acciona Infraestructuras S.A. exceeded the threshold of 50% of the total number of votes at the General Meeting of the Company on 6^th of October 2016 during the session on the regulated market of Warsaw Stock Exchange S.A. as a result of the acquisition of shares from the dominant company of Acciona Infraestructuras SA - Acciona S.A. with its registered office in Madrid ("Dominant Company"), being 100% shareholder of Acciona Infraestructuras S.A., pursuant to which the Dominant Company, sold to Acciona Infraestructuras S.A. 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares, representing 50,09% of the share capital and entitling to 10,018,733 votes at the general meeting, which represents 50,09% of the total number of votes at the General Meeting ("Acquisition").

 Before the Acquisition Acciona Infraestructuras S.A. and its subsidiaries did not hold any shares of the Company.

 After the Acquisition of shares of the Company Acciona Infraestructuras S.A. holds a total of 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares of the Company, representing 50,09% of the Company’s share capital and entitling to 10,018,733 votes at the general meeting, which represents 50,09% of the total number of votes at the General Meeting of the Company.

 Acciona Infraestructuras S.A. is not planning to increase its share in the total number of votes in the Company over the period of 12 months from this notification.

 Acciona Infraestructuras S.A. does not have any subsidiaries holding shares of the Company (article 69, paragraph. 4 Section 5 of the Act on Public Offering).

 Acciona Infraestructuras S.A. is not apartytoany agreement whose subject matter is transfer of the right to exercise the voting right. (article 69, paragraph. 4 Section 6 of the Act on Public Offering).

 At the same time, in accordance with Article. 6 § 1 of the Code of Commercial Companies, Acciona Infraestructuras S.A. notifies that in connection with the above-described acquisition of 10,018,733 (in words: ten million eighteen thousand seven hundred thirty three) shares of the Company Acciona Infraestructuras S.A. has become a dominant company of the Company.”