NEWS RELEASE                                  

                                              For Immediate Release - July 18, 2017

               Production Results of Chelyabinsk Zinc Plant for H1 2017            

    Chelyabinsk, Russia - July 18, 2017 - Chelyabinsk Zinc Plant (LSE, MICEX:
    CHZN), Russia's largest producer of zinc and zinc alloys, is pleased to
    announce its production results for the six months, ended June 30, 2017.

    Chelyabinsk Zinc Plant (CZP) produced 91,943 tonnes of salable SHG zinc and
    zinc based alloys in H1 2017, an increase of 2.5% as compared to H1 2016
    (89,733 tonnes). 63.1% of metal was supplied to the domestic market (H1 2016:
    49.7%).

    CZP's affiliated company, Nova Zinc LLC, operator of Akzhal zinc and lead ore
    mine in Kazakhstan, produced 17,686 tonnes of zinc in zinc concentrate in H1
    2017, less than in H1 2016 (18,348 tonnes). Lead in lead concentrate production
    amounted to 2,207 tonnes (vs. 3,565 tonnes in H1 2016).

    CZP's subsidiary, The Brock Metal Company Limited (the leading UK supplier of
    zinc die-casting alloys) sold  21,604 tonnes of zinc alloys in H1 2017, 15 %
    more by  as compared to H1 2016 (18,797 tonnes).

    About Chelyabinsk Zinc Plant

    Chelyabinsk Zinc Plant is the leading Russian zinc producer. In 2016 the plant
    produced 174,803 tonnes of salable SHG zinc.

    According to consolidated IFRS accounts, revenue in 2016 was RUB 30,347 mln and
    EBITDA was RUB 6,964 mln.

    CZP ordinary shares 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