Slide 1: Beneficiation Plant
Beneficiation Plant
Slide 2: Crushed Ore Stocking
Crushed Ore Stocking
Slide 3: Crushing
Crushing
Slide 4: Regrinding
Regrinding
Slide 5: Concentrate Filtration/Thickening
Concentrate Filtration/Thickening
Slide 6: Wetland
Wetland
Slide 7: Adjusted EBITDA decreased 12% compared to 3Q21
Compared to 3Q21, Adjusted EBITDA decreased by 12%. The main factors that contributed to this performance were the negative impact of US$17 million related to the hedge in our smelting segment and the ARO review with a negative variation impact of US$9 million.
Slide 8: In 2021, Adjusted EBITDA was a record
In 2021, Adjusted EBITDA was a record of US$704 million compared with US$403 million in the same period a year ago. The main factors that contributed to this strong improvement were the increase in prices and by-products contribution; which more than compensated (i) higher exploration and project ev
Slide 9: Adjusted EBITDA reconciliation to net income (loss)
US$ million 4Q21 3Q21 4Q20 2021 2020 Adjusted EBITDA reconciliation to net income (loss) Adjusted EBITDA 136.2 155.4 167.3 704.2 402.9 Impairment | Miscellaneous adjustments (0.3) (0.3) 7.8 (0.7) 557.5 EBITDA 136.5 155.8 159.5 704.9 (154.6) Deprec., amort. and depletion (68.9) (68.5) (62.8) (258.7)
Slide 10: Revenue by metal: current period sales and realized prices
iat 3q21 US$ million Zinc ___Copper__tead __Total Zinc___Copper__Lead Current period sales 175 741 as a28 iS 808 358 Price adjustrrents (MTM) fen) 5 44 1.2 ot (22) (59) 16.7 ~«74.6°~«~S SCRA 1577-786 ~~—~=50.0 Final adjustments Silver stream? Other by-products * Energy Others * Total Revenue Metal f
Slide 11: Mining segment Adjusted EBITDA vs 3Q21
Compared to 3Q21, Adjusted EBITDA increased by 19%, mainly driven by (i) the positive price effect due to changes in market prices in respect of quotation period adjustments; which were partially offset by (ii) the increase in operational costs due to the higher maintenance activities and third-part
Slide 12: 2021 mining segment Adjusted EBITDA
In 2021, adjusted EBITDA for the mining segment amounted to US$441 million compared to US$140 million in 2020. The strong increase was primarily due to the positive variation of US$331 million related to higher zinc prices and lower TCs. Higher investment in mineral exploration and project evaluatio
Slide 13: Consolidated cash cost and AISC (mining)
Consolidated cash cost 4Q21 3Q21 4Q20 4Q21 vs. 4Q20 2021 2020 2021 vs. 2020 Cash cost and AISC 6 , 7 Cash cost net of by-products US$/t (24.8%) (44.5%) AISC net of by-products US$/t 1,483 1,216 1,219 21.7% 1,231 1,310 (6.0%) Cash cost net of by-products US$/lb 0.25 0.23 0.33 (24.8%) 0.21 0.39 (44.5%
Slide 14: Smelting cost of sales and zinc concentrate treatment charges
In 2021, cost of sales totaled US$1,796 million, up 39% compared to 2020, mainly driven by (i) the increase in volumes; (ii) higher metal prices and lower TCs impacting the zinc concentrate purchase price; and, to a lesser extent, (iii) higher operating costs related to logistics, maintenance, and i
Slide 15: Smelting Adjusted EBITDA decreased 59% compared to 3Q21
Compared to 3Q21, Adjusted EBITDA decreased by 59% mainly driven by the net negative price effect mainly related to final invoice adjustment variation; the temporary hedge impact and the ARO review as mentioned above.
Slide 16: 2021 smelting segment Adjusted EBITDA
During 2021, Adjusted EBITDA for our smelting segment totaled US$268 million, down 1% year-over-year. The positive price effect due to changes in market prices in respect of quotation period adjustments and by-products contribution were partially offset by (i) lower TCs; (ii) the temporary differenc
Slide 17: Smelting conversion cost, cash cost and AISC
Consolidated 4Q21 3Q21 4Q20 4Q21 vs. 4Q20 2021 2020 2021 vs. 2020 Conversion cost, Cash cost and AISC 8 Smelting conversion cost US$/t (6.8%) (1.8%) Cash cost net of by-products US$/t 2,815 2,556 2,036 38.3% 2,486 1,790 38.9% AISC net of by-products US$/t 3,100 2,773 2,154 43.9% 2,681 1,929 39.0% Sm
Slide 18: Nexa's gross debt by category and currency
The following charts show Nexa’s gross debt by category and currency. Cash and cash equivalents and financial investments (“total cash”) amounted to US$763 million at December 31, 2021, 6% lower compared to September 30, 2021, mainly driven by the continued investment over the quarter in excess of o
Slide 19: Net debt and financial leverage at December 31, 2021
On December 31, 2021, Nexa’s net debt 10 was US$962 million compared with US$908 million at the end of 3Q21. Only 2.7% (US$47 million) of the total debt matures in 2022, 20% (US$339 million) matures between 2023 and 2026, while 77% (US$1,313 million) of total debt matures after 2027. Financial lever