Bioton S.A.

Major Shareholding Notification • Aug 29, 2019

Richmond, August 28th, 2019

Jia Wei Wang

10451 Finlayson dr, Richmond BC v6x 1w8, Canada

Bioton S.A. ul. Starościńska 5 02-516 Warsaw Republic of Poland

Polish Financial Supervision Authority UI. Piękna 20 00-549 Warsaw Republic of Poland

NOTICE

ON INDIRECT ACQUISITION OF SHARES AND EXCEEDING THE THRESHOLD

Pursuant to Article 69a Section 1 Item 3) in connection with Article 69 Section 1 Item 1) of the Act of 29 July 2005 on Public Offering, the Conditions Governing the Intrduction of Financial Instruments to Organised Trading and on Public Companies ("the Act on Public Offering") acting in my own name, I signed underneath, Jia Wei Wang, hereby give notice of indirect acquisition of shares in Bioton S.A. with its registered office in Warsaw, the Republic of Poland ("the Company") and exceeding the 10% threshold in the Company's share capital.

As a result of acquisiton of all of shares of Perfect Trend Ventures Limited Holding with its seat in British Virgin Island by Kelipond Investment Limited with its seat in Maystar Cnambers, P.O. Box 3269, Apia, Samoa to which I am a dominant entity, since the ownership of all its shares, on August 26th, 2019, Kelipond Investment Limited became a dominant entity towards Perfect Trend Ventures Limited Holding within the meaning of Article 4 Item 14) letter a) of the Act on Public Offering and consequently acquired 10.186.419 shares of the Company, which constitue 11,86% of the share capital of the Company and entitle the holder to 10.186.419 votes at the general meeting of the Company, which constitute 11,86% of the total number of votes in the Company, directly held by Perfect Trend Ventures Limited Holding ("the Indirect Acquisition").

Prior to the Indirect Acquisition I held directly 59.503 shares of the Company, which constitued 0,07% of the share capital of the Company and entitled the holder to 59.503 votes at the general meeting of the Company, which constituted 0,07% of the total number of votes in the Company. I held no shares of the Company indirectly.

After the Indirect Acquisiton I hold, directly and indirectly, 10.245.922 shares of the Company which constitue 11,93% of the share capital of the Company and entitled the holder to 10.245.922 votes at the general meeting of the Company which constitute 11,93% of the total number of votes in the Company.

I have no subsidiaries, other than Perfect Trend Ventures Limited Holding, that hold shares in the Company.

l am not a party to any agreements on the transfer of the right to exercise the voting right attached to the Company's shares within the meaning of Article 87 Section 1 Item 3 Letter c) of the Act on Public Offering.

I do not hold any financial instruments that after their maturity date entitle or oblige the holder unconditionally to acquire shares to wchich voting rights are attached, already issued by the Company, referred to in Article 69b Section 1 Item 1 of the Act on Public Offering.

I do not also hold any financial instruments related, directly, to shares in the Company that give rise to any economic consequences similar to the consequences of the finalncial instruments specified in the preceding sentence, referred to in Article 69b Section 1 Item 2) of the Act on Public Offering.

Total number of votes at the general meeting of the Company calculated according to Article 69 Section 4 Item 9) of the Act on Public Offering held by me is 10.245.922 which constitute 11,93% of the total number of votes in the Company.

Jia Wei Wang