SMTS / Sierra Metals Inc - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Sierra Metals Inc
US ˙ AMEX
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 9676001YCHZE7AT8VA50
CIK 1705259
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Sierra Metals Inc
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
December 19, 2022 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

15-12G 1 tm2233057d11512g.htm 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-38141 SIERRA METALS, INC. (Exact na

December 16, 2022 RW

Sierra Metals, Inc. 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1

Sierra Metals, Inc. 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada December 16, 2022 VIA EDGAR Division of Corporation Finance US Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 USA Re: Sierra Metals, Inc. ? Request for Withdrawal of Registration Statement on Form F-10 (File No. 333-218076) Ladies and Gentleman: Pursuant to Rule 477 promulgated under the Se

December 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF December 2022 COMMISSION FILE NUMBER: 001-

6-K 1 a53073458.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF December 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toront

December 15, 2022 EX-99.1

Sierra Metals to Complete Voluntary Delisting From BVL

Exhibit 99.1 Sierra Metals to Complete Voluntary Delisting From BVL TORONTO-(BUSINESS WIRE)-December 14, 2022-Sierra Metals Inc. (TSX:SMT) (“Sierra Metals” or the “Company”) announces that on December 13, 2022, the Peruvian Stock Market Superintendent (SMV) issued Resolution Nº 087-2022-SMV/11.1. This confirms the removal of the Company’s securities from the Stock Market Public Registry and approv

November 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

November 28, 2022 EX-99.1

Sierra Metals Announces Appointment of Interim CEO

Exhibit 99.1 Sierra Metals Announces Appointment of Interim CEO The Company will Host a Conference Call on Wednesday, November 30, 2022, at 8:30 AM EST TORONTO-(BUSINESS WIRE)-November 28, 2022-Sierra Metals Inc. (TSX:SMT) (BVL:SMT) (?Sierra Metals? or the ?Company?) announced today the resignation of Mr. Luis Marchese as the Chief Executive Officer and a Director of the Company, and the appointme

November 15, 2022 EX-99.1

Press Release dated November 15, 2022

Exhibit 99.1 CORRECTING and REPLACING Sierra Metals Reports Consolidated Financial Results for the Third Quarter of 2022 Conference Call Tuesday November 15, 2022 at 11:00 AM (EST) (All $ figures reported in USD) Revenue from metals payable of $38.8 million in Q3 2022, a 36% decrease from $60.7 million in Q3 2021 and a 22% decrease from the previous quarter, due to lower throughput at Yauricocha a

November 15, 2022 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended September 30, 2022. 2. No misrepresentations

November 15, 2022 EX-99.1

Sierra Metals Announces Follow Up Shareholder Conference Call to Be Held on Wednesday November 16th, 2022

Exhibit 99.1 Sierra Metals Announces Follow Up Shareholder Conference Call to Be Held on Wednesday November 16th, 2022 TORONTO-(BUSINESS WIRE)-November 15, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (?Sierra Metals? or the ?Company?) will host a conference call on Wednesday November 16th, 2022, at 8:00am EST to provide attendees the opportunity to ask questions with

November 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

6-K 1 a52969348.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toront

November 15, 2022 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended September 30, 2022. 2. No misrepresentation

November 15, 2022 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2022

Exhibit 99.2 SIERRA METALS INC. MANAGEMENT?S DISCUSSION AND ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2022 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Sierra Metals Inc. Management?s Discussion and Analysis For the three months and nine months ended September 30, 2022 (In thousands of United Sta

November 15, 2022 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Ad

November 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-

November 15, 2022 EX-99.1

Sierra Metals Reports Consolidated Financial Results for the Third Quarter of 2022

Exhibit 99.1 Sierra Metals Reports Consolidated Financial Results for the Third Quarter of 2022 Conference Call Tuesday November 15, 2022 at 11:00 AM (EST) (All $ figures reported in USD) Revenue from metals payable of $38.8 million in Q3 2022, a 36% decrease from $60.7 million in Q3 2021 and a 22% decrease from the previous quarter, due to lower throughput at Yauricocha and slower ramp up at Boli

November 15, 2022 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2022 and 2021

Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2022 and 2021 (unaudited) 1 | Page November 14, 2022 Management?s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These condensed interim consolidated financia

November 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

November 14, 2022 EX-99.1

Sierra Metals Confirms Receipt of Further Correspondence From Compania Minera Kolpa and Arias Resource Capital Management

Exhibit 99.1 Sierra Metals Confirms Receipt of Further Correspondence From Compania Minera Kolpa and Arias Resource Capital Management TORONTO-(BUSINESS WIRE)-November 14, 2022-Sierra Metals Inc. (TSX: SMT) (BVL:SMT) (NYSE American: SMTS) (?Sierra Metals? or the ?Company?) confirms that it has received further correspondence from Compania Minera Kolpa S.A. (?Kolpa?) and Arias Resource Capital Mana

November 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

November 4, 2022 25

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-38141 Issuer: Sierra Metal

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-38141 Issuer: Sierra Metals Inc. Exchange: NYSE AMERICAN LLC (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered)

November 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

November 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

November 3, 2022 EX-99.1

Sierra Metals Retains CIBC Capital Markets as Financial Advisor

Exhibit 99.1 Sierra Metals Retains CIBC Capital Markets as Financial Advisor TORONTO-(BUSINESS WIRE)-November 3, 2022-Sierra Metals Inc. (TSX: SMT) (BVL:SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) reports that in connection with the previously announced strategic review process, the Company has retained CIBC Capital Markets as its financial advisor to review strategic options. Ab

November 3, 2022 EX-99.1

Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q3 2022 Financial Results

Exhibit 99.1 Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q3 2022 Financial Results TORONTO-(BUSINESS WIRE)-November 3, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the filing at the BVL by its subsidiary, Sociedad Minera Corona S.A. ("Corona") of its unaudited Financial Statements a

October 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

October 31, 2022 EX-99.1

Sierra Metals Receives Non-binding Letter of Intent From Compania Minera Kolpa

Exhibit 99.1 Sierra Metals Receives Non-binding Letter of Intent From Compania Minera Kolpa TORONTO-(BUSINESS WIRE)-October 31, 2022-Sierra Metals Inc. (TSX: SMT) (BVL:SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) confirms that it received an unsolicited, non-binding letter of intent (the “LOI”) following the close of business on October 27, 2022 from Compañia Minera Kolpa S.A. (“K

October 25, 2022 EX-99.1

Sierra Metals Reports Third Quarter 2022 Production Results and Announces Voluntary Delisting From NYSE American and BVL Exchanges

Exhibit 99.1 Sierra Metals Reports Third Quarter 2022 Production Results and Announces Voluntary Delisting From NYSE American and BVL Exchanges (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-October 25, 2022-Sierra Metals Inc. (TSX: SMT) (BVL:SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) reports third quarter 2022 production results and announces its decision to volunta

October 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

October 18, 2022 EX-99.1

Sierra Metals Provides Financial and Operations Update and Announces Strategic Review Process

Exhibit 99.1 Sierra Metals Provides Financial and Operations Update and Announces Strategic Review Process TORONTO-(BUSINESS WIRE)-October 18, 2022-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL or Bolsa de Valores de Lima: SMT) (?Sierra Metals? or the ?Company?) announced today that a special committee comprised of its independent directors (the ?Special Committee?) has initiated a proc

October 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

October 14, 2022 EX-99.1

Sierra Metals to Release Q3-2022 Consolidated Financial Results on Tuesday November 15th, 2022

Exhibit 99.1 Sierra Metals to Release Q3-2022 Consolidated Financial Results on Tuesday November 15th, 2022 Shareholder Conference Call and Webcast will be held on Wednesday November 16th, 2022 TORONTO-(BUSINESS WIRE)-October 14, 2022-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL or Bolsa de Valores de Lima: SMT) (?Sierra Metals? or the ?Company?) will release Q3-2022 consolidated finan

October 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

September 28, 2022 EX-99.1

Sierra Metals Announces a Measured and Progressive Restart to Operations at Its Yauricocha Mine

Exhibit 99.1 Sierra Metals Announces a Measured and Progressive Restart to Operations at Its Yauricocha Mine TORONTO-(BUSINESS WIRE)-September 28, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) reports that an agreement has been reached with residents from the town of Alis following the blockade of the main access

September 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Ad

September 22, 2022 EX-99.1

Sierra Metals Provides Update on Its Yauricocha Mine in Peru

Exhibit 99.1 Sierra Metals Provides Update on Its Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-September 22, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) reports that a group of residents from the nearby town of Alis have illegally blocked the main access road to the Yauricocha Mine, operated by the Company?s

September 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Ad

September 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Ad

September 12, 2022 EX-99.1

Sierra Metals Announces Incident at Yauricocha Mine in Peru

Exhibit 99.1 Sierra Metals Announces Incident at Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-September 12, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) regrets to report that at approximately 4:00 PM Lima Time on Sunday September 11, 2022, there was a mudslide incident at its underground Yauricocha Mine, loca

August 12, 2022 EX-99.1

Sierra Metals Reports Q2 2022 Consolidated Financial Results and Provides Revised Production, EBITDA, Cost & Capital Expenditure Guidance For 2022

Exhibit 99.1 Sierra Metals Reports Q2 2022 Consolidated Financial Results and Provides Revised Production, EBITDA, Cost & Capital Expenditure Guidance For 2022 Conference Call August 12, 2022 at 11:00 AM (EDT) (All $ figures reported in USD) Revised production, EBITDA and Cost guidance due to lower than expected performance at Bolivar and Cusi, offset by higher throughput and grades at Yauricocha.

August 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2022 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

August 11, 2022 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2022

Exhibit 99.2 SIERRA METALS INC. MANAGEMENT?S DISCUSSION AND ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2022 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Sierra Metals Inc. Management?s Discussion and Analysis For the three months and six months ended June 30, 2022 (In thousands of United States dollars,

August 11, 2022 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended June 30, 2022. 2. No misrepresentations: Ba

August 11, 2022 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2022 and 2021

Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2022 and 2021 (unaudited) 1 | Page August 10, 2022 Management?s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These condensed interim consolidated financial statem

August 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-77

August 11, 2022 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended June 30, 2022. 2. No misrepresentations: Bas

August 2, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2022 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

August 2, 2022 EX-99.1

Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q2 2022 Financial Results

Exhibit 99.1 Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q2 2022 Financial Results (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-August 2, 2022-Sierra Metals Inc. (TSX: SMT) (BVL or Bolsa de Valores de Lima: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the filing at the BVL by its subsidiary, Sociedad Minera Corona S.A. ("Corona") of its

July 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2022 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 27, 2022 EX-99.1

Sierra Metals Reports Second Quarter 2022 Production Results

Exhibit 99.1 Sierra Metals Reports Second Quarter 2022 Production Results (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-July 27, 2022-Sierra Metals Inc. (TSX: SMT) (BVL:SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) announces second quarter 2022 production results. Results are from Sierra Metals? three underground mines in Latin America: The Yauricocha polymetallic mine

July 8, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2022 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 8, 2022 EX-99.1

Sierra Metals to Release Q2-2022 Consolidated Financial Results on Thursday August 11th, 2022

Exhibit 99.1 Sierra Metals to Release Q2-2022 Consolidated Financial Results on Thursday August 11th, 2022 Shareholder Conference Call and Webcast will be held on Friday August 12th, 2022 TORONTO-(BUSINESS WIRE)-July 8, 2022-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL or Bolsa de Valores de Lima: SMT) (?Sierra Metals? or the ?Company?) will release Q2-2022 consolidated financial resul

June 14, 2022 EX-99.1

Annual General Meeting of Shareholders of Sierra Metals Inc. (the “Corporation”) held on June 10, 2022 Report of Voting Results

Exhibit 99.1 Annual General Meeting of Shareholders of Sierra Metals Inc. (the ?Corporation?) held on June 10, 2022 Report of Voting Results Matter Voted Upon Outcome of Vote Common Shares Voted (including proxy vote) For Against Withheld 1. To elect the following directors for the ensuing year: Oscar Cabrera Approved 62,316,296 (58.80%) n/a 43,665,198 (41.20%) Douglas Cater Approved 62,451,391 (5

June 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada (Address of principal

June 13, 2022 EX-99.1

Sierra Metals Announces Results of Annual General Meeting of Shareholders & Directorate Change

Exhibit 99.1 Sierra Metals Announces Results of Annual General Meeting of Shareholders & Directorate Change TORONTO-(BUSINESS WIRE)-June 10, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) hereby announces the voting results from the Company?s Annual General Meeting of Shareholders held on Friday, June 10, 2022 (the ?AGM?). A total of 128,416,

June 13, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2022 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

June 13, 2022 EX-99.1

Sierra Metals Announces Appointment of New Chair & Addition to the Board

Exhibit 99.1 Sierra Metals Announces Appointment of New Chair & Addition to the Board TORONTO-(BUSINESS WIRE)-June 13, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) is pleased to announce that Oscar Cabrera has been appointed as Chair of the Board of Directors of the Company (the “Board”). Mr. Cabrera joined the Board in October 2021 and rep

June 13, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2022 COMMISSION FILE NUMBER: 001-3814

6-K 1 a52748433.htm SIERRA METALS INC. FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toron

May 20, 2022 EX-99.1

Notice of 2022 annual general meeting

Exhibit 99.1 Notice of 2022 annual general meeting You are invited to our 2022 annual general meeting: WHEN Friday June 10, 2022 at 2:00 p.m Eastern Daylight Time (EDT) WHERE Virtual-only meeting via live audio webcast online at: https://meetnow.global/M7FHZFJ YOUR VOTE IS IMPORTANT If you are a shareholder of record of the Corporation on April 21, 2022, you are entitled to receive notice of, atte

May 20, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada (Address of principal e

May 20, 2022 EX-99.2

MANAGEMENT INFORMATION CIRCULAR

Exhibit 99.2 ANNUAL GENERAL MEETING OF SHAREHOLDERS NOTICE OF ANNUAL GENERAL MEETING TO BE HELD ON JUNE 10, 2022 AND MANAGEMENT INFORMATION CIRCULAR DATED AS OF MAY 16, 2022 YOUR VOTE IS IMPORTANT This management information circular contains important information about our 2022 annual general meeting of shareholders. It tells you about the items of business, the voting process, how Sierra Metals

May 20, 2022 EX-99.4

SIERRA METALS INC. (the "Corporation") ABRIDGMENT Certificate

Exhibit 99.4 SIERRA METALS INC. (the "Corporation") ABRIDGMENT Certificate TO: British Columbia Securities Commission Alberta Securities Commission Ontario Securities Commission Autorit? des march?s financiers RE: Abridging time pursuant to National Instrument 54-101 ? Communications with Beneficial Owners of Securities of a Reporting Issuer ("NI 54-101") in connection with the Corporation?s annua

May 20, 2022 EX-99.3

Security Class Holder Account Number Form of Proxy - Annual General Meeting to be held on June 10, 2022 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or compa

Exhibit 99.3 Security Class Holder Account Number Form of Proxy - Annual General Meeting to be held on June 10, 2022 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or company of their choice, who need not be a holder, to attend and act on their behalf at the meeting or any adjournment or postponement thereof

May 16, 2022 EX-99.1

To: All Canadian Securities Regulatory Authorities

Exhibit 99.1 1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 May 13, 2022 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: SIERRA METALS INC. ? SECOND AMENDED Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Record Date for Notice of Meeting :

May 16, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada (Address of principal e

May 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF May 2022 COMMISSION FILE NUMBER: 001-38141

6-K 1 a52716286.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF May 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, On

May 12, 2022 EX-99.1

Sierra Metals Reports Consolidated Financial Results for the First Quarter Of 2022

Exhibit 99.1 Sierra Metals Reports Consolidated Financial Results for the First Quarter Of 2022 Conference Call May 12, 2022 At 11:00 AM (EDT) (All $ figures reported in USD) Revenue from metals payable of $57.2 million in Q1 2022, an 18% decrease from $69.6 million in Q1 2021 and an 8% decrease from Q4, 2021. Adjusted EBITDA of $16.0 million in Q1 2022, a 43% decrease from $27.9 million in Q1 202

May 11, 2022 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended March 31, 2022. 2. No misrepresentations: Ba

May 11, 2022 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2022

Exhibit 99.2 SIERRA METALS INC. MANAGEMENT?S DISCUSSION AND ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2022 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Sierra Metals Inc. Management?s Discussion and Analysis For the three months ended March 31, 2022 (In thousands of United States dollars, unless otherwise sta

May 11, 2022 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2022 and 2021

Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2022 and 2021 (unaudited) 1 | Page May 11, 2022 Management?s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These condensed interim consolidated financial statements have

May 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-7777

May 11, 2022 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended March 31, 2022. 2. No misrepresentations: B

May 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF May 2022 COMMISSION FILE NUMBER: 001-38141

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF May 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

May 3, 2022 EX-99.1

Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q1-2022 Financial Results

Exhibit 99.1 Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q1-2022 Financial Results (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-May 3, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the filing of Sociedad Minera Corona S.A.'s ("Corona") unaudited Financial Statements and the Management Discussion a

April 29, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 29, 2022 EX-99.1

Sierra Metals Announces New High-Grade Zone Discovery at Its Yauricocha Mine in Peru

Exhibit 99.1 Sierra Metals Announces New High-Grade Zone Discovery at Its Yauricocha Mine in Peru Exploration drilling of 8 holes, intercepts high grade sulfide adjacent to existing underground operations at Yauricocha Mine. Drilling demonstrates high grade mineralization potential which continues and remains open above the 1120 level. TORONTO-(BUSINESS WIRE)-April 28, 2022-Drill hole highlights i

April 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada (Address of principal

April 22, 2022 EX-99.1

To: All Canadian Securities Regulatory Authorities

Exhibit 99.1 1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 April 21, 2022 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: SIERRA METALS INC. - AMENDED Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Record Date for Notice of Meeting: April

April 19, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 19, 2022 EX-99.1

Sierra Metals Reports First Quarter 2022 Production Results

Exhibit 99.1 Sierra Metals Reports First Quarter 2022 Production Results (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-April 19, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) announces first quarter 2022 production results. Results are from Sierra Metals? three underground mines in Latin America: The Yauricocha polymetallic mine

April 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 12, 2022 EX-99.1

Sierra Metals to Release Q1-2022 Consolidated Financial Results on Wednesday May 11th, 2022

Exhibit 99.1 Sierra Metals to Release Q1-2022 Consolidated Financial Results on Wednesday May 11th, 2022 Shareholder Conference Call and Webcast will be held on Thursday May 12th, 2022 TORONTO-(BUSINESS WIRE)-April 12, 2022-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (?Sierra Metals? or the ?Company?) will release Q1-2022 financial results on Wednesday May 11th, 2022 after Marke

April 6, 2022 EX-99.1

To: All Canadian Securities Regulatory Authorities

EX-99.1 2 tm2211777d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 April 05, 2022 1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: SIERRA METALS INC. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Recor

April 6, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Canada (Address of principal

March 29, 2022 40-F/A

U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A (Amendment No. 2)

? ? U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ? ? FORM 40-F/A (Amendment No. 2) ? Check One ? ? Registration Statement Pursuant to Section 12 of the Securities Exchange Act of 1934 ? ? Annual Report Pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 ? For the fiscal year ended December 31, 2021 Commission File Number: 001-38141 ? Sierra Metals Inc. ? (Ex

March 29, 2022 EX-13.1

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated March 28, 2022

Exhibit 13.1 ? CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 ? I, Luis Marchese, certify that: ? I have reviewed this amendment no. 2 to the annual report filed on Form 40-F of Sierra Metals Inc.; ? Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of th

March 29, 2022 EX-99.1

Amended Management Discussion and Analysis for the year ended December 31, 2021

EX-99.1 5 tmb-20211231xex99d1.htm EX-99.1 Table of Contents SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2021 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Table of Contents TABLE OF CONTENTS 1. INTRODUCTION 3 2. COMPANY OVERVIEW 3 3. 2021 OPERATING AND FINANCIAL HIGHLIGH

March 29, 2022 EX-13.2

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 dated March 28, 2022

Exhibit 13.2 Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act 2002 In connection with the amendment no. 2 to the Annual Report filed on Form 40-F of Sierra Metals Inc. (the “Company”) for the year ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Luis Marchese, Chief Exec

March 22, 2022 40-F/A

U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A (Amendment No. 1)

U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A (Amendment No. 1) Check One ☐ Registration Statement Pursuant to Section 12 of the Securities Exchange Act of 1934 ☒ Annual Report Pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2021 Commission File Number: 001-38141 Sierra Metals Inc. (Exact name of Registra

March 22, 2022 EX-13.2

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 dated March 21, 2022

CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 I, Ed Guimaraes, certify that: I have reviewed this annual report on Form 40-F/A of Sierra Metals Inc.

March 22, 2022 EX-13.1

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated March 21, 2022

CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 I, Luis Marchese, certify that: I have reviewed this annual report on Form 40-F/A of Sierra Metals Inc.

March 22, 2022 EX-99.1

Audited Consolidated Financial Statements for the years ended December 31, 2021 and 2020, including report of Independent Registered Accounting Firm

? ? SIERRA METALS INC. Consolidated Financial Statements Years ended December 31, 2021 and 2020 ? ? ? March 14, 2022 Management?s Responsibility for Financial Reporting Management is responsible for the preparation of the consolidated financial statements. The consolidated financial statements were prepared in accordance with International Financing Reporting Standards (?IFRS?) and reflect managem

March 16, 2022 EX-23.9

Consent of Americo Zuzunaga

Exhibit 23.9 VIA SEDAR / EDGAR Ontario Securities Commission, as Principal Regulator British Columbia Securities Commission Alberta Securities Commission Autorité des marchés financiers United States Securities and Exchange Commission Dear Sirs/Mesdames: Re:Sierra Metals Inc. (the “Company”) Annual Information Form for the Company’s fiscal year ended December 31, 2021 (the “AIF”), Annual Report on

March 16, 2022 EX-99.2

Management’s Discussion and Analysis for the year ended December 31, 2021

Table of Contents ? ? SIERRA METALS INC. MANAGEMENT?S DISCUSSION AND ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2021 ? ? ? ? Corporate Office ? TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 ? BVL: SMT www.sierrametals.com ? ? ? ? Table of Contents TABLE OF CONTENTS ? ? ? 1. INTRODUCTION 3 2. COMPANY OVERVIEW 3 3. 2021 OPERATING AND FINANCIAL HIGHLIGHTS 4 4. COVI

March 16, 2022 EX-13.1

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated March 16, 2022

CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 I, Luis Marchese, certify that: I have reviewed this annual report on Form 40-F of Sierra Metals Inc.

March 16, 2022 EX-13.2

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 dated March 16, 2022

CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 I, Ed Guimaraes, certify that: I have reviewed this annual report on Form 40-F of Sierra Metals Inc.

March 16, 2022 EX-99.1

Annual Information Form for the year ended December 31, 2021

SIERRA METALS INC. ANNUAL INFORMATION FORM FOR THE YEAR ENDED DECEMBER 31, 2021 DATED: MARCH 16, 2022 Corporate Office: 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 ? TABLE OF CONTENTS Preliminary Notes 1 Corporate Structure 3 General Development of the Business 4 Description of the Business 12 Material Mineral Properties 21 Updated Mineral Resource and Mineral Reserve Information 66 Risk F

March 16, 2022 EX-23.7

Consent of Giovanny J. Ortiz

Exhibit 23.7 VIA SEDAR / EDGAR Ontario Securities Commission, as Principal Regulator British Columbia Securities Commission Alberta Securities Commission Autorité des marchés financiers United States Securities and Exchange Commission Dear Sirs/Mesdames: Re:Sierra Metals Inc. (the “Company”) Annual Information Form for the Company’s fiscal year ended December 31, 2021 (the “AIF”), Annual Report on

March 16, 2022 EX-99.1

Sierra Metals Reports 2021 Consolidated Financial Results and Announces 2022 Guidance

Exhibit 99.1 Sierra Metals Reports 2021 Consolidated Financial Results and Announces 2022 Guidance CONFERENCE CALL MARCH 17, 2022 ? NEW TIME ? NOW AT 11:00 AM (EDT) (All $ figures reported in USD) Revenue from metals payable of $272.0 million in 2021, an increase of 10% from 2020 annual revenue of $246.9 million, largely a result of the increase in realized prices for all metals as compared to 202

March 16, 2022 40-F

U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F

? ? U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ? ? FORM 40-F ? ? Check One ? ? Registration Statement Pursuant to Section 12 of the Securities Exchange Act of 1934 ? ? Annual Report Pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 ? For the fiscal year ended December 31, 2021 Commission File Number: 001-38141 ? Sierra Metals Inc. ? (Exact name of Regist

March 16, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

March 16, 2022 EX-99.3

Audited Consolidated Financial Statements for the years ended December 31, 2021 and 2020

SIERRA METALS INC. Consolidated Financial Statements Years ended December 31, 2021 and 2020 March 14, 2022 Management’s Responsibility for Financial Reporting Management is responsible for the preparation of the consolidated financial statements. The consolidated financial statements were prepared in accordance with International Financing Reporting Standards (“IFRS”) and reflect management’s best

March 16, 2022 EX-23.8

Consent of Enrique Rubio

Exhibit 23.8 VIA SEDAR / EDGAR Ontario Securities Commission, as Principal Regulator British Columbia Securities Commission Alberta Securities Commission Autorité des marchés financiers United States Securities and Exchange Commission Dear Sirs/Mesdames: Re:Sierra Metals Inc. (the “Company”) Annual Information Form for the Company’s fiscal year ended December 31, 2021 (the “AIF”), Annual Report on

March 4, 2022 EX-99.1

Sierra Metals Announces Filing of NI 43-101 Technical Report for Updated PEA on the Expansion of Its Yauricocha Mine in Peru

EX-99.1 2 a52589383ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Announces Filing of NI 43-101 Technical Report for Updated PEA on the Expansion of Its Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-March 3, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or ““Company”) has filed an updated technical report (the “Report“) prepared in accordance with Nation

March 4, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-381

6-K 1 a52589383.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto,

March 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

March 3, 2022 EX-99.3

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.3 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru? prepared for Sierra Metals Inc. (the ?issuer?) dated February 25, 2022, with an effective date of March 31, 2021 (the ?Technical Report?). I, Andre Marcel Deiss, BSc. (Hons), do hereby certify that: 1 I am a Principal Cons

March 3, 2022 EX-99.1

Mineralized Material

EX-99.1 2 tm228083d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru Effective Date: March 31, 2021 Report Date: February 25, 2022 Prepared for Sierra Metals Inc. Signed by Qualified Persons: Américo Zuzunaga Cardich, Sierra Metals Inc., Vice President Corporate Planning (Infrastructure, Environmental) Andre Deiss, BSc. (Hons), Pr. Sci. N

March 3, 2022 EX-99.4

CERTIFICATE Of QUALIFIED PERSON

EX-99.4 5 tm228083d1ex99-4.htm EXHIBIT 99.4 Exhibit 99.4 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru” prepared for Sierra Metals Inc. (the “issuer”) dated February 25, 2022, with an effective date of March 31, 2021 (the “Technical Report”). I, Carl Kottmeier, B.A.Sc., P. Eng., MB

March 3, 2022 EX-99.7

CONSENT OF QUALIFIED PERSON

Exhibit 99.7 To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Am?rico Zuzunaga Cardich, do hereby consent to the public filing of the technical report titled, ?Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru? w

March 3, 2022 EX-99.2

CERTIFICATE OF QUALIFIED PERSON

Exhibit 99.2 CERTIFICATE OF QUALIFIED PERSON I, Am?rico Zuzunaga Cardich, FAusIMM, do hereby certify that: 1. I am employed as Vice-President Corporate Planning of Sierra Metals Inc., 161 Bay St., Suite 4260, Toronto, Ontario, Canada, M5J 2S1. 2. This certificate applies to the technical report entitled ?Preliminary Economic Assessment ? Yauricocha Mine, Yauyos Province, Peru? with an effective da

March 3, 2022 EX-99.8

CONSENT of QUALIFIED PERSON

Exhibit 99.8 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: CAPR001101 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CO

March 3, 2022 EX-99.5

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.5 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru? prepared for Sierra Metals Inc. (the ?issuer?) dated February 25, 2022, with an effective date of March 31, 2021 (the ?Technical Report?). I, Daniel Sepulveda, BSc, SME-RM, do hereby certify that: 1 I am an Associate Consu

March 3, 2022 EX-99.6

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.6 Redco Consultores Mineros Ltda. Kennedy 5454, of 1304-1302, Santiago, Metro T: +56 22 3769840 [email protected] www.redcoglobal.com CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Preliminary Economic Assessment, Yauricocha Mine, Yauyos Province, Peru? prepared for Sierra Metals Inc. (the ?issuer?) dated February 25, 2022, with an effecti

March 3, 2022 EX-99.9

CONSENT OF QUALIFIED PERSON

Exhibit 99.9 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: CAPR001101 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CO

March 3, 2022 EX-99.10

CONSENT OF QUALIFIED PERSON

Exhibit 99.10 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: CAPR001101 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission C

February 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF February 2022 COMMISSION FILE NUMBER: 001-

6-K 1 a52585541.htm SIERRA METALS INC. FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF February 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, T

February 25, 2022 EX-99.1

Sierra Metals Announces the Appointment of Dawn Whittaker to Its Board of Directors

EX-99.1 2 a52585541ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Announces the Appointment of Dawn Whittaker to Its Board of Directors TORONTO-(BUSINESS WIRE)-February 24, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or ““Company”) announces the appointment of Ms. Dawn Whittaker to its Board of Directors effective immediately. Ms. Whittaker is a legal pr

February 16, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF February 2022 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF February 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

February 16, 2022 EX-99.1

Sierra Metals Reports Q4-2021 Financial Results at Its Sociedad Minera Corona Subsidiary in Peru

Exhibit 99.1 Sierra Metals Reports Q4-2021 Financial Results at Its Sociedad Minera Corona Subsidiary in Peru Consolidated Financial Results for Sierra Metals to Be Released on March 16, 2022 (All metal prices and amounts reported in USD) TORONTO-(BUSINESS WIRE)-February 16, 2022-Sierra Metals Inc. (TSX:SMT, BVL:SMT, NYSE AMERICAN:SMTS) ("Sierra Metals" or the "Company") announces the filing of So

February 14, 2022 SC 13G/A

SMTS / Sierra Metals Inc. / Arias Resource Capital Fund II L.P. - SIERRA METALS INC. Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* Sierra Metals Inc. (Name of Issuer) Common Shares, no par value (Title of Class of Securities) 82639W106 (CUSIP Number) December 31, 2021 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to which this S

February 14, 2022 SC 13G/A

SMTS / Sierra Metals Inc. / COOPERMAN LEON G - SCHEDULE 13 G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* SIERRA METALS INC. (Name of Issuer) Common stock, no par value (Title of Class of Securities) 82639W106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

January 27, 2022 EX-99.1

Sierra Metals Announces Changes to Its Organizational Structure, Following Strategic Review

EX-99.1 2 a52570164ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Announces Changes to Its Organizational Structure, Following Strategic Review TORONTO-(BUSINESS WIRE)-January 27, 2022-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (“Sierra Metals” or the “Company”) is pleased to announce the completion of an internal organizational review, following the strategic review announc

January 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 25, 2022 EX-99.1

Sierra Metals Reports 2021 Production Results, 2022 Guidance to Be Provided With Year-End Financial Results

Exhibit 99.1 Sierra Metals Reports 2021 Production Results, 2022 Guidance to Be Provided With Year-End Financial Results (All $ figures reported in USD) Consolidated mill throughput increased 3% mainly due to higher throughput at Yauricocha and Cusi. Lower throughput at Bolivar. Copper equivalent production decreased 24% in 2021 compared to 2020, due to lower grades and COVID-19 related operationa

January 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 20, 2022 EX-99.1

Sierra Metals Announces Positive Updated PEA on the Expansion at Its Yauricocha Mine in Peru

Exhibit 99.1 Sierra Metals Announces Positive Updated PEA on the Expansion at Its Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-January 20, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") is pleased to report the results of the updated Preliminary Economic Analysis ("PEA") for the expansion at its Yauricocha Mine operation, located in Yauyos

January 20, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 11, 2022 EX-99.1

Sierra Metals Reports Fatality Following Injuries Sustained at Its Bolivar Mine in Mexico

Exhibit 99.1 Sierra Metals Reports Fatality Following Injuries Sustained at Its Bolivar Mine in Mexico TORONTO-(BUSINESS WIRE)-January 11, 2022-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") regrets to report a fatality as a result of an accident that occurred at the Company?s Bolivar Mine, located in Chihuahua State, Mexico. The injured party was

January 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2022 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

November 8, 2021 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended September 30, 2021. 2. No misrepresentations

November 8, 2021 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2021

EX-99.2 3 tm2132185d1ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2021 Corporate Office TSX: SMT NYSE AMERICAN: SMTS Suite 4260, 161 Bay Street Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Table of Contents 1. INTRODUCTION 3 2. COMPANY OVERVIEW 3 3. Q3 AND 9M 2021 OPERATING AND FINANCIAL

November 8, 2021 EX-99.1

Sierra Metals Reports Q3 2021 Consolidated Financial Results and Provides Revised EBITDA Guidance For 2021

Exhibit 99.1 Sierra Metals Reports Q3 2021 Consolidated Financial Results and Provides Revised EBITDA Guidance For 2021 CONFERENCE CALL NOVEMBER 9, 2021, AT 10:30 AM (EST) (All $ figures reported in USD) Revenue from metals payable of $60.7 million in Q3 2021 decreased by 17% from $73.2 million in Q3 2020, largely due to the lower grades at the Yauricocha and Bolivar mines combined with operationa

November 8, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 COMMISSION FILE NUMBER: 001-

6-K 1 tm2132185d16k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario

November 8, 2021 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

EX-99.3 4 tm2132185d1ex99-3.htm EXHIBIT 99.3 Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of Sierra Metals Inc. (the “issuer”) for the interim period ende

November 8, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-

6-K 1 a52525371.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toront

November 8, 2021 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2021 and 2020

Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2021 and 2020 (unaudited) 1 | Page November 5, 2021 Management?s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These condensed interim consolidated financial

November 5, 2021 EX-99.1

Sierra Metals Declares Annual Dividend

EX-99.1 2 a52522731ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Declares Annual Dividend TORONTO-(BUSINESS WIRE)-November 5, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or the “Company”) today declared an annual dividend for the 2021 fiscal year of US$0.03 per common share, payable on December 7, 2021, to shareholders of record at the close of business

November 5, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-

6-K 1 a52522731.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toront

November 2, 2021 EX-99.1

Sierra Metals Reports Q3-2021 Financial Results for Its Sociedad Minera Corona Subsidiary in Peru.

EX-99.1 2 a52519983ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Reports Q3-2021 Financial Results for Its Sociedad Minera Corona Subsidiary in Peru. Sierra Metals' Consolidated Financials to Be Reported on November 8, 2021 TORONTO-(BUSINESS WIRE)-November 2, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the filing of Sociedad

November 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF November 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

October 18, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

October 18, 2021 EX-99.1

Sierra Metals Reports Third-Quarter 2021 Production Results, Expecting to Meet Low End of Revised Annual Production Guidance as the Production Ramps Up to Full Capacity at All Three Mines

EX-99.1 2 a52510444ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Reports Third-Quarter 2021 Production Results, Expecting to Meet Low End of Revised Annual Production Guidance as the Production Ramps Up to Full Capacity at All Three Mines TORONTO-(BUSINESS WIRE)-October 18, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") is pleased to repo

October 15, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-3

6-K 1 a52509571.htm SIERRA METALS INC. 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto

October 15, 2021 EX-99.1

Sierra Metals to Release Q3-2021 Consolidated Financial Results on Monday, November 8th, 2021

EX-99.1 2 a52509571ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals to Release Q3-2021 Consolidated Financial Results on Monday, November 8th, 2021 Shareholder Conference Call and Webcast will also be held on Tuesday, November 9th, 2021 TORONTO-(BUSINESS WIRE)-October 15, 2021-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (“Sierra Metals” or the “Company”) will release Q3-2021 fi

October 7, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF October 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

October 7, 2021 EX-99.1

Sierra Metals Completes Strategic Review Process, Initiates Annual Base Dividend of US$0.03 Per Share and Appoints Two New Directors to Its Board

EX-99.1 2 a52505208ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Completes Strategic Review Process, Initiates Annual Base Dividend of US$0.03 Per Share and Appoints Two New Directors to Its Board TORONTO-(BUSINESS WIRE)-October 7, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces today that its Board of Directors (the "Board") has

September 29, 2021 EX-99.6

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.6 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Updated Preliminary Economic Assessment, Bolivar Mine, Mexico? prepared for Sierra Metals Inc. (the ?issuer?) dated September 21, 2021, with an effective date of December 31, 2019 (the ?Technical Report?). The previous report was titled ?Preliminary Economic Assessment, Bolivar Mine, Mexico? pr

September 29, 2021 EX-99.5

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.5 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Updated Preliminary Economic Assessment, Bolivar Mine, Mexico? prepared for Sierra Metals Inc. (the ?issuer?) dated September 21, 2021, with an effective date of December 31, 2019 (the ?Technical Report?). The previous report was titled ?Preliminary Economic Assessment, Bolivar Mine, Mexico? pr

September 29, 2021 EX-99.11

CONSENT of QUALIFIED PERSON

Exhibit 99.11 Project Number: 2US043.005 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT of QUALIFIED PERSON I, Jarek Jakubec, do hereby consent to the public filing by Sierra Metals Inc. (the ?Corporation?) of the Technical Report titled ?

September 29, 2021 EX-99.1

LOM (US$ 000s)

EX-99.1 2 tm2128727d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Updated Preliminary Economic Assessment, Bolivar Mine, Mexico Effective Date: December 31, 2019 Original Report Date: October 19, 2020 Report Updated: September 21, 2021 Prepared for Sierra Metals Inc. Signed by Qualified Persons: Américo Zuzunaga Cardich, Sierra Metals Inc., Vice President Corporate Planning Cliff Revering, P. Eng., SRK Pr

September 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2021 COMMISSION FILE NUMBER: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Ad

September 29, 2021 EX-99.10

CONSENT OF QUALIFIED PERSON

Exhibit 99.10 Project Number: 2US043.005 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Daniel Sepulveda, B.Sc., SME-RM, do hereby consent to the public filing by Sierra Metals Inc. (the ?Company?) of the technical r

September 29, 2021 EX-99.4

CERTIFICATE Of QUALIFIED PERSON

EX-99.4 5 tm2128727d1ex99-4.htm EXHIBIT 99.4 Exhibit 99.4 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Updated Preliminary Economic Assessment, Bolivar Mine, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated September 21, 2021, with an effective date of December 31, 2019 (the “Technical Report”). The previous report was titled “Preliminary

September 29, 2021 EX-99.8

CONSENT OF QUALIFIED PERSON

Exhibit 99.8 Project Number: 2US043.005 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Cliff Revering, P. Eng., do hereby consent to the public filing by Sierra Metals Inc. (the ?Company?) of the technical report tit

September 29, 2021 EX-99.1

Sierra Metals Announces Filing of Updated NI 43-101 Technical Report

Exhibit 99.1 Sierra Metals Announces Filing of Updated NI 43-101 Technical Report TORONTO-(BUSINESS WIRE)-September 29, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) has filed an updated independent technical report (the ?Report?) prepared in accordance with National Instrument 43-101 on the Bolivar Mine in Mexico. The Report dated September

September 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 COMMISSION FILE NUMBER: 001

6-K 1 tm2128727d16k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario

September 29, 2021 EX-99.2

CONSENT OF QUALIFIED PERSON

EX-99.2 3 tm2128727d1ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 CONSENT OF QUALIFIED PERSON I, Américo Zuzunaga, FAusIMM CP, do hereby certify that: 1. I am employed as Vice-President Corporate Planning of Sierra Metals Inc., 161 Bay St., Suite 4260, Toronto, Ontario, Canada, M5J 2S1. 2. This certificate applies to the technical report entitled “Updated Preliminary Economic Assessment, Bolivar Mine, Mex

September 29, 2021 EX-99.3

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.3 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: ?Updated Preliminary Economic Assessment, Bolivar Mine, Mexico? prepared for Sierra Metals Inc. (the ?issuer?) dated September 21, 2021, with an effective date of December 31, 2019 (the ?Technical Report?). The previous report was titled ?Preliminary Economic Assessment, Bolivar Mine, Mexico? pr

September 29, 2021 EX-99.7

CONSENT OF QUALIFIED PERSON

Exhibit 99.7 To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Am?rico Zuzunaga, FAusIMM CP, do hereby consent to the public filing by Sierra Metals Inc. (the ?Company?) of the technical report titled ?Updated Preliminary Economic Asse

September 29, 2021 EX-99.9

CONSENT OF QUALIFIED PERSON

EX-99.9 10 tm2128727d1ex99-9.htm EXHIBIT 99.9 Exhibit 99.9 Project Number: 2US043.005 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Carl Kottmeier, P.Eng., MBA, do hereby consent to the public filing by Sierra Metal

August 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

August 16, 2021 EX-99.1

Sierra Metals Announces Update of 10,000 Tonnes Per Day Positive Preliminary Economic Assessment Results to Now Include Iron Ore Production at Its Bolivar Mine in Mexico

Exhibit 99.1 Sierra Metals Announces Update of 10,000 Tonnes Per Day Positive Preliminary Economic Assessment Results to Now Include Iron Ore Production at Its Bolivar Mine in Mexico After-tax NPV of US$361 Million TORONTO-(BUSINESS WIRE)-August 16, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") is pleased to report the results of an updated

August 10, 2021 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

EX-99.3 4 tm2124033d1ex99-3.htm EXHIBIT 99.3 Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of Sierra Metals Inc. (the “issuer”) for the interim period ende

August 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-77

August 10, 2021 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

EX-99.4 5 tm2124033d1ex99-4.htm EXHIBIT 99.4 Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of Sierra Metals Inc. (the “issuer”) for the interim period ended

August 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

August 10, 2021 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2021

EX-99.2 3 tm2124033d1ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2021 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Sierra Metals Inc. Management’s Discussion and Analysis For the three months and six months ended June 30,

August 10, 2021 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2021 and 2020

EX-99.1 2 tm2124033d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2021 and 2020 (unaudited) 1 | Page August 5, 2021 Management’s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These con

August 10, 2021 EX-99.1

Sierra Metals Reports Consolidated Financial Results for the Second Quarter of 2021 and Provides Revised Guidance for 2021

EX-99.1 2 a52474033ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Reports Consolidated Financial Results for the Second Quarter of 2021 and Provides Revised Guidance for 2021 Conference Call August 10, 2021, at 10:30 AM (EDT) (All $ figures reported in USD) Revenue from metals payable of $79.4 million in Q2 2021, a 90% increase from $41.9 million in Q2 2020 Operating cash flows before movements

August 3, 2021 EX-99.1

Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q2-2021 Financial Results

Exhibit 99.1 Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q2-2021 Financial Results Sierra Metals? Consolidated Financial Results Will Be Released on August 9, 2021 (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-August 3, 2021-Sierra Metals Inc. (TSX:SMT) (BVL:SMT) (NYSE AMERICAN:SMTS) ("Sierra Metals" or "the Company") announces the filing of Sociedad Minera Corona

August 3, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF August 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

July 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 20, 2021 EX-99.1

Sierra Metals Reports Second Quarter 2021 Production Results Including Record Throughput at Its Yauricocha Mine in Peru

EX-99.1 2 a52463219ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Reports Second Quarter 2021 Production Results Including Record Throughput at Its Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-July 20, 2021-Sierra Metals Inc. (TSX:SMT) (BVL:SMT) (NYSE AMERICAN:SMTS) ("Sierra Metals" or "the Company") is reporting second-quarter 2021 production results, as the Company continues to deal with t

July 20, 2021 EX-99.1

Sierra Metals Changes to Board of Directors

Exhibit 99.1 Sierra Metals Changes to Board of Directors TORONTO-(BUSINESS WIRE)-July 19, 2021-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (?Sierra Metals? or the ?Company?) announced today that, following the majority of withhold votes cast by shareholders in respect of the re-election of J. Alberto Arias at the Company?s annual shareholders? meeting held on June 10, 2021, Mr.

July 14, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 14, 2021 EX-99.1

Sierra Metals Provides Update on Strategic Review Process

EX-99.1 2 a52459423ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Provides Update on Strategic Review Process TORONTO-(BUSINESS WIRE)-July 13, 2021-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (“Sierra Metals” or the “Company”) is providing an update to the strategic review process originally announced in a press release dated January 8, 2021. The Board and Management of Sierr

July 13, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF July 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

July 13, 2021 EX-99.1

Sierra Metals to Release Q2-2021 Consolidated Financial Results on Monday August 9th, 2021

Exhibit 99.1 Sierra Metals to Release Q2-2021 Consolidated Financial Results on Monday August 9th, 2021 Shareholder Conference Call and Webcast will also be held on Tuesday August 10th, 2021 TORONTO-(BUSINESS WIRE)-July 13, 2021-Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (?Sierra Metals? or the ?Company?) will release Q2-2021 financial results on Monday August 9th, 2021 after M

June 16, 2021 EX-99.1

Sierra Metals Announces Receipt of Permit Allowing for a 20% Increase of Throughput to 3,600 Tonnes Per Day at Its Yauricocha Mine in Peru

Exhibit 99.1 Sierra Metals Announces Receipt of Permit Allowing for a 20% Increase of Throughput to 3,600 Tonnes Per Day at Its Yauricocha Mine in Peru TORONTO-(BUSINESS WIRE)-June 16, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or the ?Company?) is pleased to announce the receipt of an Informe T?cnico Minero (?ITM?) Permit from the Peruvian Ministry of Ene

June 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

June 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-7777

June 11, 2021 EX-99.1

Sierra Metals Announces Results of Annual General Meeting of Shareholders

Exhibit 99.1 Sierra Metals Announces Results of Annual General Meeting of Shareholders TORONTO-(BUSINESS WIRE)-June 11, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or the ?Company?) hereby announces the voting results from the Company?s Annual General Meeting of Shareholders held on Thursday, June 10, 2021 (the ?Meeting?). A total of 133,132,611 common shar

June 11, 2021 EX-99.1

Annual General Meeting of Shareholders of Sierra Metals Inc. (the “Corporation”) held on June 10, 2021 Report of Voting Results Pursuant to Section 11.3 of National Instrument 51-102

EX-99.1 2 tm2119458d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Annual General Meeting of Shareholders of Sierra Metals Inc. (the “Corporation”) held on June 10, 2021 Report of Voting Results Pursuant to Section 11.3 of National Instrument 51-102 Outcome Common Shares Voted (including proxy vote) Matter Voted Upon of Vote For Against Withheld 1. To elect the following directors for the ensuing year: J.

June 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

May 6, 2021 EX-99.4

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.4 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Ed Guimaraes, Chief Financial Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended March 31, 2021. 2. No misrepresentations: Ba

May 6, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario, Canada, M5J 2S1 Tel: (416) 366-7777

May 6, 2021 EX-99.3

SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate

Exhibit 99.3 SIERRA METALS INC. Form 52-109F2 Certification of Interim Filings Full Certificate I, Luis Marchese, Chief Executive Officer of Sierra Metals Inc., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of Sierra Metals Inc. (the ?issuer?) for the interim period ended March 31, 2021. 2. No misrepresentations: B

May 6, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF May 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Address

May 6, 2021 EX-99.1

Sierra Metals Reports Consolidated Financial Results for the First Quarter Of 2021

Exhibit 99.1 Sierra Metals Reports Consolidated Financial Results for the First Quarter Of 2021 CONFERENCE CALL MAY 7, 2021 AT 10:30 AM (EDT) (All $ figures reported in USD) Revenue from metals payable of $69.6 million in Q1 2021, a 25% increase from $55.6 million in Q1 2020 Operating cash flows before movements in working capital of $25.6 million in Q1 2021, a 63% increase from $15.7 million in Q

May 6, 2021 EX-99.2

SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2021

EX-99.2 3 tm2115147d1ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2021 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 Toronto, ON, Canada M5J 2S1 BVL: SMT www.sierrametals.com Sierra Metals Inc. Management’s Discussion and Analysis For the three months ended March 31, 2021 (In thousands o

May 6, 2021 EX-99.1

SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2021 and 2020

EX-99.1 2 tm2115147d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 SIERRA METALS INC. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2021 and 2020 (unaudited) 1 | Page May 4, 2021 Management’s Responsibility for Financial Reporting Management is responsible for the preparation of the unaudited condensed interim consolidated financial statements. These condensed int

May 3, 2021 EX-99.1

Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q1-2021 Financial Results

Exhibit 99.1 Sierra Metals Subsidiary in Peru, Sociedad Minera Corona Reports Q1-2021 Financial Results Sierra Metals? Consolidated Financial Results Will Be Released on May 6, 2021 (All Metal Prices Reported in USD) TORONTO-(BUSINESS WIRE)-May 3, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the filing of Sociedad Minera Corona S.

May 3, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 21, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 21, 2021 EX-99.1

Sierra Metals to Invest US$28 Million for an Iron Ore Processing Plant Expected to Produce Approximately 500,000 Tonnes Per Year of Magnetite Concentrate at the Bolivar Mine, Mexico

Exhibit 99.1 Sierra Metals to Invest US$28 Million for an Iron Ore Processing Plant Expected to Produce Approximately 500,000 Tonnes Per Year of Magnetite Concentrate at the Bolivar Mine, Mexico TORONTO-(BUSINESS WIRE)-April 21, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (?Sierra Metals? or ?the Company?) today announces that its Board of Directors has approved the investm

April 16, 2021 EX-99.1

Sierra Metals Reports First Quarter 2021 Production Results

EX-99.1 2 a52412899ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Reports First Quarter 2021 Production Results Maintaining Full-Year 2021 Production Guidance (All metal prices reported in USD) TORONTO-(BUSINESS WIRE)-April 16, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) announces first quarter 2021 production results featuring 4.5% gro

April 16, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 13, 2021 EX-99.1

Sierra Metals Discovers New High-Grade Oxide Zone Located Within the Current Mine Operations Area at the Yauricocha Mine, Peru

Exhibit 99.1 Sierra Metals Discovers New High-Grade Oxide Zone Located Within the Current Mine Operations Area at the Yauricocha Mine, Peru TORONTO-(BUSINESS WIRE)-April 13, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS): The current drilling program along the Yauricocha Fault System demonstrates high-grade oxide mineralization occurring between the Cachi Cachi and Esperanza Z

April 13, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 12, 2021 EX-99.1

1500 Robert-Bourassa Blvd.,

EX-99.1 2 exhibit99-1.htm NOTICE OF MEETING AND RECORD DATE - ENGLISH 1500 Robert-Bourassa Blvd., April 09, 2021 7th Floor Montreal QC, H3A 3S8 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: SIERRA METALS INC. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General M

April 12, 2021 EX-99.2

1500, boul. Robert-Bourassa,

EX-99.2 3 exhibit99-2.htm NOTICE OF MEETING AND RECORD DATE - FRENCH 1500, boul. Robert-Bourassa, Le 9 avril 2021 7e étage Montréal (Québec), H3A 3S8 www.computershare.com Destinataires: Toutes les autorités canadiennes en valeurs mobilières Objet: SIERRA METALS INC. Madame, Monsieur, Veuillez prendre note des informations relatives à la prochaine assemblée des détenteurs de titres de l'émetteur p

April 12, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF April 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 12, 2021 6-K

Current Report of Foreign Issuer - REPORT OF FOREIGN PRIVATE ISSUER FOR APRIL 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2021 Commission File Number: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

April 12, 2021 EX-99.1

Sierra Metals to Release Q1-2021 Consolidated Financial Results on Thursday May 6th, 2021

Exhibit 99.1 Sierra Metals to Release Q1-2021 Consolidated Financial Results on Thursday May 6th, 2021 Shareholder Conference Call and Webcast will also be held on Friday May 7th, 2021 TORONTO-(BUSINESS WIRE)-April 12, 2021-Sierra Metals Inc. (TSX:SMT) (NYSE American:SMTS) (BVL:SMT) (?Sierra Metals? or the ?Company?) will release Q1-2021 financial results on Thursday May 6th, 2021 after Market Clo

March 18, 2021 EX-99.3

Audited Consolidated Financial Statements for the years ended December 31, 2020 and 2019

EX-99.3 14 tm219912d2ex99-3.htm EXHIBIT 99.3 Exhibit 99.3 SIERRA METALS INC. Consolidated Financial Statements Years ended December 31, 2020 and 2019 1 | page March 15, 2021 Management’s Responsibility for Financial Reporting Management is responsible for the preparation of the consolidated financial statements. The consolidated financial statements were prepared in accordance with International F

March 18, 2021 EX-13.1

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated March 18, 2021

Exhibit 13.1 CERTIFICATION PURSUANT TO SECTION 302 THE SARBANES-OXLEY ACT OF 2002 I, Luis Marchese, certify that: I have reviewed this annual report on Form 40-F of Sierra Metals Inc.; Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such stat

March 18, 2021 EX-99.2

Management’s Discussion and Analysis for the year ended December 31, 2020

EX-99.2 13 tm219912d2ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 SIERRA METALS INC. MANAGEMENT’S DISCUSSION AND ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2020 Corporate Office TSX: SMT NYSE AMERICAN: SMTS 161 Bay Street, Suite 4260 BVL: SMT Toronto, ON, Canada M5J 2S1 www.sierrametals.com Table of Contents 1. INTRODUCTION 3 2. COMPANY OVERVIEW 3 3. 2020 OPERATING AND FINANCIAL highlights 4 4. COVID-19, OU

March 18, 2021 EX-99.1

Annual Information Form for the year ended December 31, 2020

Exhibit 99.1 SIERRA METALS INC. ANNUAL INFORMATION FORM FOR THE YEAR ENDED DECEMBER 31, 2020 DATED: MARCH 18, 2021 Corporate Office: 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Table of Contents Preliminary Notes 3 Corporate Structure 5 General Development of the Business 6 Description of the Business 16 Material Mineral Properties 24 Updated Mineral Resource and Mineral Reserve Informatio

March 18, 2021 EX-99.1

Sierra Metals Reports 2020 Consolidated Financial Results Including a 49% Increase in Adjusted EBITDA To $97.0 Million

Exhibit 99.1 Sierra Metals Reports 2020 Consolidated Financial Results Including a 49% Increase in Adjusted EBITDA To $97.0 Million TORONTO-(BUSINESS WIRE)-March 18, 2021-Sierra Metals Inc. (TSX:SMT) (BVL:SMT) (NYSE American:SMTS): Conference Call March 19, 2021 at 10:30 AM (EDT) (All $ figures reported in USD) Revenue from metals payable of $246.9 million in 2020 increased by 8% from $229.0 milli

March 18, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

March 18, 2021 EX-23.8

Consent of Americo Zuzunaga

Exhibit 23.8 VIA SEDAR / EDGAR Ontario Securities Commission, as Principal Regulator British Columbia Securities Commission Alberta Securities Commission Autorit? des march?s financiers United States Securities and Exchange Commission Dear Sirs/Mesdames: Re: Sierra Metals Inc. (the ?Company?) Annual Information Form for the Company?s fiscal year ended December 31, 2020 (the ?AIF?), Annual Report o

March 18, 2021 EX-13.2

Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 dated March 18, 2021

Exhibit 13.2 Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act 2002 In connection with the Annual Report on Form 40-F of Sierra Metals Inc. (the “Company”) for the yearly period ended December 31, 2020, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Luis Marchese, Chief Executive Officer of the

March 18, 2021 40-F

- 40-F

U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F Check One ? Registration Statement Pursuant to Section 12 of the Securities Exchange Act of 1934 x Annual Report Pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2020 Commission File Number: 001-38141 Sierra Metals Inc. (Exact name of Registrant as specified in i

March 18, 2021 EX-23.7

Consent of Giovanny J. Ortiz

Exhibit 23.7 VIA SEDAR / EDGAR Ontario Securities Commission, as Principal Regulator British Columbia Securities Commission Alberta Securities Commission Autorité des marchés financiers United States Securities and Exchange Commission Dear Sirs/Mesdames: Re: Sierra Metals Inc. (the “Company”) Annual Information Form for the Company’s fiscal year ended December 31, 2020 (the “AIF”), Annual Report o

March 16, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF March 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addres

March 16, 2021 EX-99.1

Sierra Metals Announces Receipt of Its Environmental Permit for a 20% Increase of Throughput to 3,600 TPD at Its Yauricocha Mine, Peru

Exhibit 99.1 Sierra Metals Announces Receipt of Its Environmental Permit for a 20% Increase of Throughput to 3,600 TPD at Its Yauricocha Mine, Peru TORONTO-(BUSINESS WIRE)-March 16, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or the "Company") has received an Informe Tecnico Sustentatorio (?ITS?) permit from the Peruvian Ministry of Environment through its

February 16, 2021 EX-99.1

Sierra Metals Reports Q4-2020 Financial Results at Its Sociedad Minera Corona Subsidiary in Peru

Exhibit 99.1 Sierra Metals Reports Q4-2020 Financial Results at Its Sociedad Minera Corona Subsidiary in Peru Consolidated Financial Results for Sierra Metals to Be Released on March 18, 2021 (All metal prices and amounts reported in USD) TORONTO-(BUSINESS WIRE)-February 16, 2021-Sierra Metals Inc. (TSX:SMT, BVL:SMT, NYSE AMERICAN:SMTS) ("Sierra Metals" or the "Company") announces the filing of So

February 16, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF February 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant?s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

February 12, 2021 SC 13G/A

Sierra Metals Inc.

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Sierra Metals Inc. (Name of Issuer) Common Shares, no par value (Title of Class of Securities) 82639W106 (CUSIP Number) December 31, 2020 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to which this S

February 1, 2021 EX-99.1

Sierra Metals Announces Appointment of New Chairman

EX-99.1 2 a52370689ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Announces Appointment of New Chairman TORONTO-(BUSINESS WIRE)-January 29, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or the “Company”) is pleased to announce that Jose Vizquerra Benavides has been appointed as Chairman of the Board of Directors of the Company (the “Board”). Mr. Vizquerra

February 1, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 21, 2021 EX-99.1

Sierra Metals Comments on Distribution of Sierra Shares

Exhibit 99.1 Sierra Metals Comments on Distribution of Sierra Shares TORONTO-(BUSINESS WIRE)-January 21, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or the “Company”) refers to the announcement earlier today by Arias Resource Capital Fund L.P. ("ARCF I") regarding its distribution of an aggregate of 52,721,964 common shares of the Company from ARCF I to und

January 21, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 20, 2021 6-K/A

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

January 20, 2021 EX-99.1

Press Release dated January 18, 2021

Exhibit 99.1 Sierra Metals Reports 2020 Production Results and Announces Strong 2021 Production and EBITDA Growth Guidance (All $ figures reported in USD) Consolidated mill throughput increased 6% and copper equivalent production increased 6% in 2020 compared to 2019, despite the operational challenges due to COVID-19 2021 production guidance of between 130.0 - 141.0 million copper equivalent poun

January 19, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 19, 2021 EX-99.1

Sierra Metals Reports 2020 Production Results and Announces Strong 2021 Production and EBITDA Growth Guidance

Exhibit 99.1 Sierra Metals Reports 2020 Production Results and Announces Strong 2021 Production and EBITDA Growth Guidance (All $ figures reported in USD) Consolidated mill throughput increased 6% and copper equivalent production increased 6% in 2020 compared to 2019, despite the operational challenges due to COVID-19 2021 production guidance of between 130.0 - 141.0 million copper equivalent poun

January 12, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SIERRA METALS INC. (Name of Issuer) Common stock, no par value (Title of Class of Securities) 82639W106 (CUSIP Number) January 8, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

January 8, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 8, 2021 EX-99.1

Sierra Metals Undertaking Strategic Process

EX-99.1 2 a52358543ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Undertaking Strategic Process TORONTO-(BUSINESS WIRE)-January 8, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or the “Company”) announces today that its Board of Directors, supported by its management team and with the full support of Arias Resource Capital Fund L.P., Arias Resource Capital

January 6, 2021 EX-99.7

CONSENT OF QUALIFIED PERSON

EX-99.7 6 tm211408d1ex99-7.htm EXHIBIT 99.7 Exhibit 99.7 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United

January 6, 2021 EX-99.2

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.2 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Preliminary Economic Assessment for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Giovanny J. Ortiz, Geologist, FAusIMM, do hereby certify that: 1 I am a Prin

January 6, 2021 EX-99.1

Total (US$ 000s)

EX-99.1 2 tm211408d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Preliminary Economic Assessment for the Cusi Mine, Chihuahua State, Mexico Effective Date: August 31, 2020 Report Date: November 13, 2020 Prepared for: Sierra Metals Inc. Signed by Qualified Persons: Giovanny Ortiz, B.Sc., PGeo., SRK Principal Consultant (Resource Geology) Carl Kottmeier, B.A.Sc., P. Eng., MBA, SRK Principal Consultant (Mini

January 6, 2021 EX-99.1

Sierra Metals Announces Filing of NI 43-101 Preliminary Economic Assessment Technical Report for a Doubling of Output at Its Cusi Mine in Mexico to 2,400 Tonnes Per Day, Including an After-Tax NPV of US$81 Million

EX-99.1 2 a52357065ex991.htm EXHIBIT 99.1 Exhibit 99.1 Sierra Metals Announces Filing of NI 43-101 Preliminary Economic Assessment Technical Report for a Doubling of Output at Its Cusi Mine in Mexico to 2,400 Tonnes Per Day, Including an After-Tax NPV of US$81 Million TORONTO-(BUSINESS WIRE)-January 6, 2021-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Com

January 6, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260 Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addre

January 6, 2021 EX-99.4

CERTIFICATE Of QUALIFIED PERSON

EX-99.4 5 tm211408d1ex99-4.htm EXHIBIT 99.4 Exhibit 99.4 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Preliminary Economic Assessment for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Daniel Sepulveda, BSc, SME-RM, d

January 6, 2021 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF January 2021 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Addr

January 6, 2021 EX-99.8

CONSENT OF QUALIFIED PERSON

Exhibit 99.8 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CO

January 6, 2021 EX-99.9

CONSENT OF QUALIFIED PERSON

Exhibit 99.9 Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Daniel H. Sepulveda, BSc, SME-RM, do hereby consent to the public filing by Sierra Metals Inc. (the “Company”) of the technical r

January 6, 2021 EX-99.3

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.3 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Preliminary Economic Assessment for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Carl Kottmeier, B.A.Sc., P. Eng., MBA, do hereby certify that: 1 I am a Prin

December 22, 2020 6-K

Current Report of Foreign Issuer - SIERRA METALS INC. 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C., 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF December 2020 COMMISSION FILE NUMBER: 001-38141 SIERRA METALS INC. (Translation of registrant’s name into English) 161 Bay Street, Suite 4260, Toronto, Ontario M5J 2S1 Tel: (416) 366-7777 (Add

December 22, 2020 EX-99.1

Sierra Metals Announces Filing of NI 43-101 Technical Report for Significantly Increased Mineral Resource Estimate for Cusi Silver Mine, Mexico

Exhibit 99.1 Sierra Metals Announces Filing of NI 43-101 Technical Report for Significantly Increased Mineral Resource Estimate for Cusi Silver Mine, Mexico TORONTO-(BUSINESS WIRE)-December 22, 2020-Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") has filed an independent technical report (the "Report ") prepared in accordance with National Instrume

December 22, 2020 EX-99.6

CONSENT OF QUALIFIED PERSON

EX-99.6 7 tm2038972d1ex99-6.htm EXHIBIT 99.6 Exhibit 99.6 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United

December 22, 2020 EX-99.2

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.2 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Independent Technical Report for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Giovanny J. Ortiz, Geologist, FAusIMM, do hereby certify that: 1 I am a Princip

December 22, 2020 EX-99.7

CONSENT OF QUALIFIED PERSON

Exhibit 99.7 Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CONSENT OF QUALIFIED PERSON I, Daniel H. Sepulveda, BSc, SME-RM, do hereby consent to the public filing by Sierra Metals Inc. (the “Company”) of the technical r

December 22, 2020 EX-99.1

Tonnes Processed

Exhibit 99.1 Independent Technical Report for the Cusi Mine, Chihuahua State, Mexico Effective Date: August 31, 2020 Report Date: November 13, 2020 Prepared for: Sierra Metals Inc. 850 Signed by Qualified Persons: Giovanny Ortiz, B.Sc., PGeo., SRK Principal Consultant (Resource Geology) Carl Kottmeier, B.A.Sc., P. Eng., MBA, SRK Principal Consultant (Mining) Daniel H. Sepulveda, BSc, SME-RM, SRK A

December 22, 2020 EX-99.4

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.4 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Independent Technical Report for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Daniel Sepulveda, BSc, SME-RM, do hereby certify that: 1 I am an Associate Cons

December 22, 2020 EX-99.3

CERTIFICATE Of QUALIFIED PERSON

Exhibit 99.3 CERTIFICATE Of QUALIFIED PERSON This certificate applies to the technical report entitled: “Independent Technical Report for the Cusi Mine, Chihuahua State, Mexico” prepared for Sierra Metals Inc. (the “issuer”) dated November 13, 2020, with an effective date of August 31, 2020 (the “Technical Report”). I, Carl Kottmeier, B.A.Sc., P. Eng., MBA, do hereby certify that: 1 I am a Princip

December 22, 2020 EX-99.5

CONSENT OF QUALIFIED PERSON

Exhibit 99.5 SRK Consulting (Canada) Inc. Suite 2200 - 1066 West Hastings Street Vancouver, BC V6E 3X2 T: +1.604.681.4196 F: +1.604.687.5532 [email protected] www.srk.com Project Number: 2US043.006 Vancouver, B.C. To: Ontario Securities Commission Alberta Securities Commission Autorite des Marches Financiers British Columbia Securities Commission United States Securities and Exchange Commission CO

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