BVN Compania De Minas Buenaventura SA

In the table titled "3Q17 Production per Metal and 2017 Operating Guidance (100% basis)", in the section labeled "Gold", the number for Yanacocha at 3Q17 (Actual) should read 141,923 (instead of 247,321) and the number for 9M17 (Actual) should read 400,400 (instead of 505,798). Also, in the section labeled "Zinc (MT)", the number for El Brocal at 9M17 (Actual) should read: 40,727 (instead of 29,069).

The corrected release reads:

BUENAVENTURA ANNOUNCES THIRD QUARTER 2017 PRODUCTION AND VOLUME SOLD PER METAL RESULTS

Compañia de Minas Buenaventura S.A.A. (“Buenaventura” or “the Company”) (NYSE: BVN; Lima Stock Exchange: BUE.LM), Peru’s largest publicly-traded precious metals mining company, today announced preliminary 3Q17 production and volume sold results as well as 2017 operating guidance (100% basis).

3Q17 Production per Metal and 2017 Operating Guidance (100% basis)

                                          1Q17 (Actual)       2Q17 (Actual)       3Q17 (Actual)       9M17 (Actual)       2017 (Estimated) Gold (Oz.)                                       Orcopampa     42,332       46,917       51,672       140,920       190k - 200k Tambomayo     0       12,454       24,115       36,570       60k - 90k La Zanja     32,255       30,647       33,569       96,471       115k - 125k Tantahuatay     31,245       31,725       43,320       106,290       145k - 155k Yanacocha     137,621       120,856      

141,923

     

400,400

      530k - 560k                         Silver (Oz.)                                       Uchucchacua 1     4,021,722       4,311,194       4,121,319       12,454,235       17.0M - 18.0M Julcani     666,236       647,883       643,051       1,957,169       2.6M - 2.8M Mallay     320,372       380,369       216,637       917,378       1.0M - 1.3M Tambomayo     0       295,379       678,828       974,207       1.6M - 1.9M El Brocal     1,044,908       976,757       1,015,170       3,036,835       3.5M - 4.5M   Zinc (MT)                                       El Brocal     16,903       12,166       11,658      

40,727

      50k - 60k Uchucchacua 1     1,882       2,949       3,891       8,722       10k - 12k Mallay     2,174       2,244       1,403       5,821       7.0k - 9.0k Tambomayo     0       59       761       820       2k - 5k   Copper (MT)                                       El Brocal     11,155       10,308       11,531       32,994       50K - 60K Cerro Verde     118,744       118,071       TBA       TBA       500k - 550k 1. Production from 3Q17 considers 139,336 Ag Oz and 170 Zn MT from Uchucchacua´s material treated in Mallay´s processing plant.  

3Q17 Volume sold per Metal(100% basis)

                                  1Q17 (Actual)       2Q17 (Actual)       3Q17 (Actual)       9M17 (Actual) Gold (Oz.)                               Orcopampa     42,101       42,821       54,544       139,466 Tambomayo     0       4,840       26,799       31,639 La Zanja     32,570       31,105       34,662       98,338 Tantahuatay     30,493       32,103       41,621       104,217                   Silver (Oz.)                               Uchucchacua     3,732,401       3,651,304       4,452,812       11,836,518 Julcani     912,656       394,077       829,755       2,136,488 Mallay     311,157       309,975       160,298       781,431 Tambomayo     0       81,454       656,070       737,524 El Brocal     825,740       750,077       831,154       2,406,971   Zinc (MT)                               El Brocal     14,102       9,849       9,884       33,835 Uchucchacua     1,118       2,180       3,291       6,589 Mallay     1,472       2,169       1,132       4,773 Tambomayo     0       0       491       491   Copper (MT)                               El Brocal     9,806       10,018       11,243       31,066  

Company DescriptionCompañía de Minas Buenaventura S.A.A. is Peru’s largest, publicly traded, precious metals company and a major holder of mining rights in Peru. The Company is engaged in the mining, processing, development and exploration of gold and silver and other metals via wholly owned mines as well as through its participation in joint exploration projects.

Buenaventura currently operates several mines in Peru (Orcopampa*, Uchucchacua*, Mallay*, Julcani*, Tambomayo*, El Brocal, La Zanja and Coimolache and is developing the San Gabriel project.

The Company owns 43.65% of Minera Yanacocha S.R.L (a partnership with Newmont Mining Corporation), an important precious metal producer; 19.58% of Sociedad Minera Cerro Verde, an important Peruvian copper producer.

For a printed version of the Company’s 2016 Form 20-F, please contact the investor relations contacts on page 1 of this report, or download the PDF format file from the Company’s web site at www.buenaventura.com.

(*) Operations wholly owned by Buenaventura

Note on Forward-Looking StatementsThis press release may contain forward-looking information (as defined in the U.S. Private Securities Litigation Reform Act of 1995) that involve risks and uncertainties, including those concerning the Company’s, Yanacocha’s and Cerro Verde’s costs and expenses, results of exploration, the continued improving efficiency of operations, prevailing market prices of gold, silver, copper and other metals mined, the success of joint ventures, estimates of future explorations, development and production, subsidiaries’ plans for capital expenditures, estimates of reserves and Peruvian political, economic, social and legal developments. These forward-looking statements reflect the Company’s view with respect to the Company’s, Yanacocha’s and Cerro Verde’s future financial performance. Actual results could differ materially from those projected in the forward-looking statements as a result of a variety of factors discussed elsewhere in this Press Release

View source version on businesswire.com: http://www.businesswire.com/news/home/20171012006514/en/

Compañia de Minas Buenaventura S.A.A.In Lima:Carlos Galvez, 511-419-2540Chief Financial OfficerorRodrigo Echecopar, 511-419 2591Investor Relations Coordinatorrodrigo.echecopar@buenaventura.peorIn NY:Barbara Cano, 646-452-2334barbara.cano@mbsvalue.com