UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM 6‑K
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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, 2020

Commission File Number: 001-38262

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LOMA NEGRA COMPAÑÍA INDUSTRIAL ARGENTINA

SOCIEDAD ANÓNIMA
(Exact Name of Registrant as Specified in its Charter)

LOMA NEGRA CORPORATION
(Translation of Registrant’s name into English)

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Cecilia Grierson 355, 4th Floor

Zip Code C1107CPG – Capital Federal

Republic of Argentina

(Address of principal executive offices)

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Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F  ☒     Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Table of Contents

Item	Description
1	Loma Negra Relevant Event

City of Buenos Aires, September 15, 2020

Messrs.

Comisión Nacional de Valores (National Securities Commission)

Messrs.

Bolsas y Mercados Argentinos S.A. (BYMA) (Buenos Aires Stock Exchange)

Ref.: LOMA NEGRA C.I.A.S.A. – Relevant Event

Dear Sirs,

We are writing in order to comply with section 2, Chapter I, Title XII of the CNV Rules (2013 revised version).

In this regard, we inform that LOMA NEGRA C.I.A.S.A. (“Loma Negra”) made an irrevocable contribution on account of a future subscription of shares for a value of ARS 1,446,676,000 in favor of its subsidiary Cofesur S.A.U. ("Cofesur"). Such contribution is intended to provide greater liquidity and contribute to strengthening the financial position of both Cofesur and Ferrosur Roca S.A., the latter indirectly controlled by Loma Negra through Cofesur.

Sincerely,

______________________

Marcos Isabelino Gradin

Investor Relations Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Loma Negra Compañía Industrial Argentina Sociedad Anónima

Date: September 15, 2020	By: /s/	Marcos I. Gradin
	Name:	Marcos I. Gradin
	Title:	Chief Financial Officer