NEWS RELEASE                                  

    For Immediate Release - April 07, 2017

                                  Holdings in Company                              

        The notification on the right to dispose of a certain number of shares     

    Chelyabinsk, Russia - April 07, 2017 - Chelyabinsk Zinc Plant (LSE, MICEX-RTS:
    CHZN) has received notification, on April 05, 2017, from the JSC Ural Mining
    and Metallurgical Company that at March 30, 2017 it disposes 5,540,526 ordinary
    shares in the PJSC CZP (direct control). This represents 10.223% of the
    existing issued share capital of Chelyabinsk Zinc Plant.

    The total control (direct and indirect) of JSC UMMC composes the 97.714% of the
    existing issued share capital of Chelyabinsk Zinc Plant.

    Chelyabinsk Zinc Plant is the leading Russian zinc and zinc alloys producer. In
    2015 the plant produced 171,002 tonnes of salable SHG zinc.

    According to consolidated IFRS accounts, revenue in 2015 was RUB 24,013 mln and
    EBITDA was RUB 4,789 mln.

    Ordinary shares of CZP are traded on the Moscow exchange under ticker CHZN and
    Global Depository Receipts (GDR) are traded on the London Stock Exchange under
    ticker CHZN.

                  Investor and Media Contacts: Natalya Vasilieva, PR, ngv@zinc.ru, 

                                                            Tel: +7 (351) 799-01-52