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As filed with the Securities and Exchange Commission on April 30 , 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F □ REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR □ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR □ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-35401 CEMENTOS PACASMAYO S.A.A. ( Exact name of Registrant as specified in its charter ) PACASMAYO CEMENT CORPORATION ( Translation of Registrant's name into English ) Republic of Peru ( Jurisdiction of incorporation or organization ) Calle La Colonia 150 , Urbanización El Vivero Surco , Lima Peru ( Address of principal executive offices ) Javier Durand , Esq . , General Counsel Tel . + 51-1-317-6000 Calle La Colonia 150 Urb . El Vivero - Lima , Peru ( Name , telephone , email and / or facsimile number and address of company contact person ) Securities registered pursuant to Section 12 ( b ) of the Act . Title of each class Common Shares , par value S / 1.00 per share , in the form of American Depositary Shares , each representing five Common Shares Name of each exchange on which registered New York Stock Exchange Securities registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None Indicate the number of outstanding shares of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report : At December 31 , 2020 * Excluding 36,040,497 investment shares held in treasury . 423,868,449 common shares 4,238,397 investment shares *