<SEC-DOCUMENT>0001292814-23-004270.txt : 20231024
<SEC-HEADER>0001292814-23-004270.hdr.sgml : 20231024
<ACCEPTANCE-DATETIME>20231024163359
ACCESSION NUMBER:		0001292814-23-004270
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20231024
DATE AS OF CHANGE:		20231024

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nexa Resources S.A.
		CENTRAL INDEX KEY:			0001713930
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			N4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38256
		FILM NUMBER:		231343045

	BUSINESS ADDRESS:	
		STREET 1:		37A AVENUE J.F. KENNEDY
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-1855
		BUSINESS PHONE:		352 26 00 53 43

	MAIL ADDRESS:	
		STREET 1:		37A AVENUE J.F. KENNEDY
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-1855

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VM Holding S.A.
		DATE OF NAME CHANGE:	20170804
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<FILENAME>nexa20231024_6k.htm
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<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>U.S. SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 20pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 6-K</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>REPORT OF FOREIGN PRIVATE ISSUER</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE</B></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-transform: uppercase; text-align: center">SECURITIES EXCHANGE
ACT OF 1934</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 24pt; text-align: center">For the Month of October 2023</P>

<P STYLE="font: 20pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Nexa Resources S.A.</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">(Exact Name as Specified in its Charter)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.25in"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">(Translation of Registrant&#8217;s Name)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 24pt; text-align: center"><B>37A, Avenue J.F. Kennedy<BR>
L-1855, Luxembourg<BR>
Grand Duchy of Luxembourg<BR>
</B>(Address of principal executive offices)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Indicate by check mark
whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.</P>

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    <TD STYLE="width: 55%; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify">Form 20-F&nbsp;&nbsp;<U>&nbsp;&nbsp;X&nbsp;&nbsp;</U></TD>
    <TD STYLE="width: 45%; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify">Form 40-F <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Indicate by check mark
if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Indicate by check mark
if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Indicate by check mark
whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission
pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.</P>

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    <TD STYLE="width: 51%; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify">Yes <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></TD>
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify">No <U>&nbsp;&nbsp;X&nbsp;&nbsp;</U></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">If &#8220;Yes&#8221; is marked,
indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">SIGNATURES</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1in">Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">Date:&nbsp;&nbsp;October 24, 2023</P>

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    <TD STYLE="width: 100%; padding-right: 5.4pt; padding-bottom: 48pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="text-transform: uppercase">Nexa Resources S.A.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><B>By:</B>/s/ Jos&eacute; Carlos del Valle</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><B>Name:</B>&nbsp;&nbsp;Jos&eacute; Carlos del Valle</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0.5in; text-align: justify"><B>Title:</B>&nbsp;&nbsp;Senior Vice President
    of Finance and Group Chief Financial Officer</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0.5in; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P></TD></TR>
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    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-bottom: 0.5in; padding-left: 5.4pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-bottom: 0.5in; padding-left: 5.4pt; text-align: justify">&nbsp;</TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 24pt; text-align: center">EXHIBIT INDEX</P>

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    <TD STYLE="width: 88%; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: justify"><U>Description of Exhibit</U></TD></TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><A HREF="ex99-1.htm">99.1</A></P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
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    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
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    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><A HREF="ex99-1.htm">Nexa Provides Aripuan&atilde; and 2023 Guidance Update</A></P></TD></TR>
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    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD></TR>
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    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD></TR>
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<P STYLE="font: 14pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0; text-align: center; color: #D83C00">&nbsp;</P>

<P STYLE="font: 14pt/150% Verdana, Helvetica, Sans-Serif; margin-top: 6pt; margin-bottom: 6pt; text-align: center; color: #D83C00"><IMG SRC="nexa202310246k_002.jpg" ALT="">&nbsp;</P>

<P STYLE="font: 14pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0; text-align: center; color: #D83C00"><B><I>Nexa Provides Aripuan&atilde;
and 2023 Guidance Update </I></B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><B>Luxembourg, October 24, 2023</B> &ndash;
Nexa Resources S.A. (&ldquo;Nexa Resources&rdquo; or &ldquo;Nexa&rdquo; or the &ldquo;Company&rdquo;) (NYSE: NEXA) today provides an update
on the progress of the Aripuan&atilde; ramp-up phase and new estimates for production, in addition to exploration and project development
and cash costs revisions. The figures contained in this report are considered preliminary and are unaudited. The financial results for
the third quarter 2023 will be published on Monday, October 30, 2023 (after trading hours).</P>

<P STYLE="color: #FF5000; font: bold 11pt/115% Verdana, Helvetica, Sans-Serif; margin: 10pt 0 6pt; text-align: justify">Summary Highlights</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">Aripuan&atilde;: Zinc production for 2023 is now expected to be 20-23kt,
lower than previous guidance of 28-40kt, mainly explained by processing plant limitations due to certain equipment resulting in a delayed
ramp-up to expected steady production. For the same reasons, copper production is now expected to be 4-5kt instead of 6-8kt. 2023 production
estimates for Nexa&rsquo;s other five mines remain unchanged.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">Cash Cost for the mining and smelting segments were revised downward
by 29% (to US$0.35 to US$0.38 per pound of zinc sold for mining) and 5% (to US$1.07 to US$1.12 per pound of zinc sold for smelting) (at
the mid-point of the guidance range), respectively, primarily due to higher by-products contribution and lower treatment charges (&ldquo;TCs&rdquo;)
positively impacting our mining segment. Lower zinc metal prices also positively impacted the purchase of zinc concentrate benefiting
our smelting segment, which was partially offset by foreign exchange rate fluctuations. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">Exploration &amp; Project Evaluation and Other expenses guidance are
being reduced by US$15 million in 2023. This revision is mainly attributed to initiatives to optimize capital allocation.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 10pt; text-align: justify">&nbsp;</P>

<P STYLE="color: #767171; font: bold 11pt Verdana, Helvetica, Sans-Serif; margin: 6pt 0; text-align: justify">Aripuan&atilde; ramp-up
phase status</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Since January 2023, ramp-up activities
have continued with a strong focus on steadily increasing the plant&rsquo;s throughput rate, reducing plant downtime, and improving recoveries
and concentrate quality and grades.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In January and February 2023, the plant
operated at approximately 57% of nameplate capacity (vs. 53% in 4Q22). However, in March, we decided to temporarily halt operations at
the plant to clear some bottlenecks, related primarily to pumping and piping systems, and improving the drainage configuration that presented
some limitations after the rainy season, which occurs from December to March.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">At the end of June 2023, the plant performed
at an average of 76% of nameplate capacity (vs. 50% in 1Q23), with an average utilization rate for 2Q23 of 66%.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In July, plant performance was averaging
above 75% of nameplate capacity. We then observed design limitations in the capacity of the flotation pumping system, identified during
the detection of bottlenecks in March, which required resizing and upgrade along with certain plant processing facilities and systems
and the clean-up and upgrading of water treatment facilities, which will also contribute to a better preparation for the rainy season.
The aforementioned limitations prevented the plant from further increasing throughput and, as a result, the utilization rate in 3Q23 was
reduced and the plant performed at an average of 56% in the quarter.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">With the clearing of bottlenecks in the
pumping and piping systems carried out in March 2023, we had anticipated that the plant could reach 100% of nameplate capacity by the
end of 2023, as the permanent replacement of the pumps to increase capacity, in line with the revised design of the flotation pumping
system, was scheduled to take place by the end of 3Q23, or at the beginning of 4Q23. However, the lead time to receive and assemble part
of the equipment, due to changes to specification, is now expected to take
place in 1Q24 driving ramp up completion in 2Q24. Meanwhile, the plant is undergoing some process and equipment adjustments, and it is
expected to gradually return to an average of 70% capacity utilization level starting in 4Q23 until the upgrades are completed. We expect
that this timing will also have some impacts on 2024 production guidance for Aripuan&atilde; which will be updated early in 2024.</P>


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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">The capital expenditure required for the
pump&rsquo;s replacement will not affect our Capex guidance for 2023.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">The priority <FONT STYLE="line-height: 115%">is
to keep improving metal recovery and concentrate quality and grades at the Aripuan&atilde; plant, aiming to achieve a stable operation
and to minimize financial impacts related to the needed extension of the ramp up phase. </FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">We have been successfully increasing our
run of mine (ROM) production, which reached 236.9kt in 3Q23 compared to 60.9kt in 2Q23 (up 290%), mainly explained by the start of production
of the VRM (Vertical Retreat Mining) method, which will contribute positively to increase mine productivity and efficiency.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><I>&ldquo;The additional delay during
ramp-up is disappointing, considering the effort and diligence that everyone involved has put into progressing Aripuan&atilde; to this
stage. The revised design in the flotation pumping and piping system has been an unexpected change due to an underestimation of the adequate
sizing for flows in the original design. We are pushing through this ramp-up phase in a structured and de-risked way, but it is still
a challenging scenario, and our plan is to remain focused on ensuring a safe and steady production.</I></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><I>At Nexa, we have been executing capital
adjustments and performance improvement initiatives to preserve cash flow generation, putting us in a strong position when market conditions
improve. Nonetheless, our short-term capital allocation priorities remain unchanged: to continue focusing on the conclusion of Aripuan&atilde;&rsquo;s
ramp up phase, to generate cash for our capital allocation strategy and strengthen our balance sheet.&rdquo;</I> &ndash; stated Mr. Ignacio
Rosado, CEO of Nexa.</P>

<P STYLE="color: #767171; font: bold 10pt Verdana, Helvetica, Sans-Serif; margin: 6pt 0; text-align: justify">Production &ndash; Aripuan&atilde;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 9.5pt Verdana, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD COLSPAN="2" STYLE="white-space: nowrap; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt; color: white"><B>Mining production</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD>
    <TD ROWSPAN="2" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 8pt; color: white">(Metal in concentrate)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Previous</U></B></FONT></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Updated</U></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 30%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 1%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 1%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black"><B>Aripuan&atilde;</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Zinc</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">28.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">40.0</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">20.0</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">23.4</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Copper</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">6.3</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">7.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">4.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">5.0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Lead</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">8.9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">12.9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">5.7</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">6.9</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Silver</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">MMoz</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">0.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">1.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">0.4</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">0.5</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Below is the updated <B>mining consolidated
production</B> guidance for all metals. Except for the impact of Aripuan&atilde;, as shown above, production guidance for all other mines
remains unchanged.</P>

<P STYLE="color: #767171; font: bold 10pt Verdana, Helvetica, Sans-Serif; margin: 6pt 0; text-align: justify">Production &ndash; Consolidated</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 9.5pt Verdana, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD COLSPAN="2" STYLE="background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt; color: white"><B>Mining production</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD>
    <TD ROWSPAN="2" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 8pt; color: white">(Metal in concentrate)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Previous</U></B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Updated</U></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 33%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 1%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 1%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black"><B>Consolidated</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Zinc</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">307</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">351</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">334</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Copper</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">31</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">36</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">29</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">33</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Lead</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">kt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">56</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">71</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">53</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">65</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt; color: black">Silver</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">MMoz</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">11</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">9.1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #3A3838">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: black">10.3</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt/110% Verdana, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 2; Options: NewSection; Value: 2 -->
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<P STYLE="color: #767171; font: bold 10pt Verdana, Helvetica, Sans-Serif; margin: 12pt 0 6pt; text-align: justify">2023 Cash Cost</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">We lowered our 2023 cash cost guidance
for our mining and smelting segments. Cash costs for 2023 are based on several assumptions, including but not limited to:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">Commodity prices forecast have changed compared to the previous estimate.
Consequently, commodities price assumptions have been updated for 2023e &ndash; (Zn: US$1.19/lb, Cu: US$3.84/lb, Pb: US$0.97/lb, Ag: US$23.3/oz,
Au: US$1,927/oz); and 4Q23e &ndash; (Zn: US$1.07/lb, Cu: US$3.67/lb, Pb: US$0.97/lb, Ag: US$23.0/oz, Au: US$1,913/oz), versus previous
2023e - (Zn: US$1.29/lb, Cu: US$3.54/lb, Pb: US$0.91/lb, Ag: US$20/oz, Au: US$1,700/oz);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">Foreign exchange rates have been updated for 2023e &ndash; (BRL/USD:
4.99 and Soles/USD: 3.72); and 4Q23e &ndash; (BRL/USD: 4.91 and Soles/USD: 3.67) versus previous 2023e &ndash; (BRL/USD: 5.07 and Soles/USD:
3.94); and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-weight: normal">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-weight: normal">2023 zinc TC of US$274/t concentrate versus 2023e US$285/t concentrate.
</FONT></TD></TR></TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 9.5pt Verdana, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD ROWSPAN="4" STYLE="border-bottom: black 1pt solid; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Mining Operating costs</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" ROWSPAN="2" STYLE="background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Cash Cost<BR>
</B></FONT><FONT STYLE="font-size: 7.5pt; color: white">(US$/lb)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" ROWSPAN="2" STYLE="background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Cash Cost<BR>
</B></FONT><FONT STYLE="font-size: 7.5pt; color: white">(US$/lb)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Previous</U></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Updated</U></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 39%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Mining Cash Cost <SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>0.49</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>-</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>0.54</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>0.35</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>-</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>0.38</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Cerro Lindo</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.11</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.13</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">(0.12)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">(0.10)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">El Porvenir</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.39</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.42</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.26</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.28</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Atacocha</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.26</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.30</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">(0.45)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">(0.38)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Vazante</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.68</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.74</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.59</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.65</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Morro Agudo</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.02</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.18</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.80</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">0.94</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Verdana, Helvetica, Sans-Serif; margin: 6pt 0 12pt; text-align: justify"><I><SUP>(1)</SUP>C1 Weighted Cash cost net
of by-products credits is measured with respect to zinc sold per mine.</I></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><B>Mining:</B> Full-year cash cost guidance
revised downward by 29% to <FONT STYLE="line-height: 115%">US$0.35-0.38</FONT>/lb compared to <FONT STYLE="line-height: 115%">US$0.49-0.54</FONT>/lb,
given year-to-date performance and forecasts of higher by-products prices and lower TCs.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In Peru, the updated cash costs decreased
for all mines, primarily due to higher by-products contribution and lower TCs.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In Brazil, the updated cash cost guidance
for Vazante and Morro Agudo has been positively impacted by lower TCs and higher by-products contribution, partially offset by the appreciation
of the Brazilian real against the U.S. dollar.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 9.5pt Verdana, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD ROWSPAN="4" STYLE="border-bottom: black 1pt solid; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Smelting Operating costs</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" ROWSPAN="2" STYLE="background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Cash Cost<BR>
</B></FONT><FONT STYLE="font-size: 7.5pt; color: white">(US$/lb)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" ROWSPAN="2" STYLE="background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>Cash Cost<BR>
</B></FONT><FONT STYLE="font-size: 7.5pt; color: white">(US$/lb)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Previous</U></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Updated</U></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 38%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Smelting Cash Cost <SUP>(2)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>1.13</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>-</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>1.18</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>1.07</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>-</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626"><B>1.12</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Cajamarquilla</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.11</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.04</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.08</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Tr&ecirc;s Marias</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.10</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.08</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.13</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Juiz de Fora</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.27</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.37</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.19</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: #262626">1.28</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Verdana, Helvetica, Sans-Serif; margin: 6pt 0 12pt; text-align: justify"><I><SUP>(2)</SUP>C1 Weighted Cash cost net
of by-products credits is measured with respect to zinc sold per smelter.</I></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><B>Smelting:</B> Full-year cash cost guidance
revised downward by 5% to <FONT STYLE="line-height: 115%">US$1.07-1.12</FONT>/lb compared to <FONT STYLE="line-height: 115%">US$1.13-1.18</FONT>/lb,
given year-to-date performance and forecasts of lower zinc metal prices positively impacting the purchase of zinc concentrate,
which was partially offset by foreign exchange rate fluctuations in Brazil and Peru, as well as lower TCs.</P>


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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"></P>

<P STYLE="color: #767171; font: bold 10pt Verdana, Helvetica, Sans-Serif; margin: 12pt 0 6pt; text-align: justify">2023 Exploration &amp;
Project Evaluation and Other Expenses</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Considering the challenging scenario regarding
lower metal prices, the Company is implementing initiatives to optimize capital allocation. Accordingly, we have revised downward our
Other Operating Expenses guidance by US$ 15 million, resulting in an updated guidance of US$120 million (vs. US$135 million in the previous
guidance).</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">With the updated guidance for 2023, we
now plan to invest US$57 million in exploration. Our mineral exploration expense guidance of US$30 million relates mainly to brownfield
projects (US$17 million) and greenfield projects in the exploration phase (US$13 million).</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Our updated project evaluation expense
guidance of US$50 million includes approximately US$15 million to extend the life of the disposal facility of Tr&ecirc;s Marias smelter.
The remaining expenses are for corporate IT, potential growth projects and various projects across our business units.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Additionally, we have revised our expected
technology investment to US$6 million and US$14 million to continue contributing to the social and economic development of our host communities.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 9.5pt Verdana, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="width: 48%; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt; color: white"><B>Other Operating Expenses</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 24%; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 2%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 24%; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B>2023e</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-bottom: Black 1pt solid; background-color: #3C3C3C; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 8pt; color: white">(US$ million)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; background-color: gray; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Previous</U></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; background-color: #505050; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt; color: white"><B><U>Updated</U></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Exploration</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>55</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>49</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Mineral Exploration</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">33</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">30</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Mineral rights</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">7</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">5</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Sustaining (mine development)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">14</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Project Evaluation</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>55</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>50</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Tr&ecirc;s Marias Project</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">20</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">15</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Exploration &amp; Project Evaluation</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>110</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>100</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-size: 9pt"><B>Other</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>25</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt"><B>20</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Technology</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">10</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">6</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 9pt; text-align: left"><FONT STYLE="font-size: 9pt">Communities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-size: 9pt">14</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 10pt; text-align: justify">Note: Exploration and project evaluation
expenses consider several stages of development, from mineral potential definition, R&amp;D, and subsequent scoping and pre-feasibility
studies (FEL1 and FEL2).</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 10pt; text-align: justify">&nbsp;</P>


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<P STYLE="color: #FF5000; font: bold 12pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="color: #FF5000; font: bold 12pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">UPCOMING EVENT |
EARNINGS CONFERENCE CALL</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">The financial results for the third quarter
of 2023 will be published on Monday, October 30, 2023, after trading hours. Nexa will host a conference call to discuss the results on
Tuesday, October 31, 2023 at 9:00 am EST.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/107% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: left; color: #FF5000"><B>About Nexa</B></P>

<P STYLE="font: 10pt/110% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Nexa is a large-scale, low-cost integrated
zinc producer with over 65 years of experience developing and operating mining and smelting assets in Latin America. Nexa currently owns
and operates five long-life mines - three located in the Central Andes of Peru and two located in the state of Minas Gerais in Brazil
- and it is ramping up Aripuan&atilde;, its sixth mine in Mato Grosso, Brazil. Nexa also currently owns and operates three smelters, two
located in Minas Gerais, Brazil and one in Peru, Cajamarquilla, which is the largest smelter in the Americas.</P>

<P STYLE="font: 10pt/110% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Nexa was among the top five producers
of mined zinc globally in 2022 and one of the top five metallic zinc producers worldwide in 2022, according to Wood Mackenzie.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/107% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: left; color: #434343"><B>For further information,
please contact:</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 3pt; text-align: justify">Investor Relations Team</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 3pt; text-align: justify">ir@nexaresources.com<BR STYLE="clear: both">
</P>


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<P STYLE="color: #3C3C3C; font: bold 11pt/115% Verdana, Helvetica, Sans-Serif; margin: 10pt 0 6pt; text-align: justify">Use of Non-IFRS
Financial Measures</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Nexa&rsquo;s management uses non-IFRS
measures such as Adjusted EBITDA, cash cost net of by-products, all in sustaining cash cost net of by-products, among other measures,
for internal planning and performance measurement purposes. We believe these measures provide useful information about the financial performance
of our operations that facilitates period-to-period comparisons on a consistent basis.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Mining segment | Cash cost net of by-products
credits: for our mining operations, cash cost after by-products credits includes all direct costs associated with mining, concentrating,
leaching, solvent extraction, on-site administration and general expenses, any off-site services essential to the operation, concentrate
freight costs, marketing costs and property and severance taxes paid to state or federal agencies that are not profit-related. Treatment
and refining charges on metal sales, which are typically recognized as a deduction component of sales revenues, are added to cash cost.
Cash cost net of by-products credits is measured with respect to zinc sold per mine.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Smelting segment | Cash cost net of by-products
credits: for our smelting operations, cash cost, after by-products credits includes all the costs of smelting, including costs associated
with labor, net energy, maintenance, materials, consumables and other on-site costs, as well as raw material costs. Cash cost net of by-products
credits is measured with respect to zinc sold per smelter.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">All forward-looking non-IFRS financial
measures in this release, including cash cost guidance, are provided only on a non-IFRS basis. This is due to the inherent difficulty
of forecasting the timing or amount of items that would be included in the most directly comparable forward-looking IFRS financial measures.
As a result, reconciliation of the forward-looking non-IFRS financial measures to IFRS financial measures is not available without unreasonable
effort and the Company is unable to assess the probable significance of the unavailable information.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">See &ldquo;Cautionary Statement on Forward-Looking
Statements&rdquo; below.</P>

<P STYLE="color: #3C3C3C; font: bold 11pt/115% Verdana, Helvetica, Sans-Serif; margin: 10pt 0 6pt; text-align: justify">CAUTIONARY STATEMENT
ON FORWARD-LOOKING STATEMENTS</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"><FONT STYLE="line-height: 115%">This Earnings
Release contains certain forward-looking information and forward-looking statements as defined in applicable securities laws (collectively
referred to in this Earnings Release as &ldquo;forward-looking statements&rdquo;). All statements other than statements of historical
fact are forward-looking statements. The words &ldquo;believe,&rdquo; &ldquo;will,&rdquo; &ldquo;may,&rdquo; &ldquo;may have,&rdquo; &ldquo;would,&rdquo;
&ldquo;estimate,&rdquo; &ldquo;continues,&rdquo; &ldquo;anticipates,&rdquo; &ldquo;intends,&rdquo; &ldquo;plans,&rdquo; &ldquo;expects,&rdquo;
&ldquo;budget,&rdquo; &ldquo;scheduled,&rdquo; &ldquo;forecasts&rdquo; and similar words are intended to identify estimates and forward-looking
statements. Forward-looking statements are not guarantees and involve known and unknown risks, uncertainties and other factors which may
cause the actual results, performance or achievements of NEXA to be materially different from any future results, performance or achievements
expressed or implied by the forward-looking statements. Actual results and developments may be substantially different from the expectations
described in the forward-looking statements for a number of reasons, many of which are not under our control, among them, the activities
of our competition, the future global economic situation, weather conditions, market prices and conditions, exchange rates, and operational
and financial risks. The unexpected occurrence of one or more of the abovementioned events may significantly change the results of our
operations on which we have based our estimates and forward-looking statements. Our estimates and forward-looking statements may also
be influenced by, among others, legal, political, environmental or other risks that could materially affect the potential development
of our projects, including risks related to outbreaks of contagious diseases or health crises impacting overall economic activity regionally
or globally, </FONT>as well as risks relating to ongoing or future investigations by local authorities with respect to our business and
operations and the conduct of our customers, including the impact to our financial statements regarding the resolution of any such matters.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">These forward-looking statements related
to future events or future performance and include current estimates, predictions, forecasts, beliefs and statements as to management&rsquo;s
expectations with respect to, but not limited to, the business and operations of the Company and mining production our growth strategy, the impact of applicable
laws and regulations, future zinc and other metal prices, smelting sales, CAPEX, expenses related to exploration and project evaluation,
estimation of mineral reserves and mineral resources, mine life and our financial liquidity.</P>


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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify"></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Forward-looking statements are necessarily
based upon a number of factors and assumptions that, while considered reasonable and appropriate by management, are inherently subject
to significant business, economic and competitive uncertainties and contingencies and may prove to be incorrect. Statements concerning
future production costs or volumes are based on numerous assumptions of management regarding operating matters and on assumptions that
demand for products develops as anticipated, that customers and other counterparties perform their contractual obligations, full integration
of mining and smelting operations, that operating and capital plans will not be disrupted by issues such as mechanical failure, unavailability
of parts and supplies, labor disturbances, interruption in transportation or utilities, adverse weather conditions, and other COVID-19
related impacts, and that there are no material unanticipated variations in metal prices, exchange rates, or the cost of energy, supplies
or transportation, among other assumptions.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">We assume no obligation to update forward-looking
statements except as required under securities laws. Estimates and forward-looking statements refer only to the date when they were made,
and we do not undertake any obligation to update or revise any estimate or forward-looking statement due to new information, future events
or otherwise, except as required by law. Estimates and forward-looking statements involve risks and uncertainties and do not guarantee
future performance, as actual results or developments may be substantially different from the expectations described in the forward-looking
statements. Further information concerning risks and uncertainties associated with these forward-looking statements and our business can
be found in our annual report on Form 20-F and in our other public disclosures available on our website and filed under our profile on
SEDAR+ (www.sedarplus.com) and on EDGAR (www.sec.gov).</P>



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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
