# EDGAR Filing Document

**Accession Number:** 0001711375
**File Stem:** 0001711375-25-000058
**Filing Date:** 2025-8
**Character Count:** 38326
**Document Hash:** 302e092f91fa5d22da355b427d839e48
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001711375-25-000058.hdr.sgml**: 20250807

**ACCESSION NUMBER**: 0001711375-25-000058

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250807

**DATE AS OF CHANGE**: 20250807

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Loma Negra Compania Industrial Argentina Sociedad Anonima
- **CENTRAL INDEX KEY:** 0001711375
- **STANDARD INDUSTRIAL CLASSIFICATION:** CEMENT, HYDRAULIC [3241]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38262
- **FILM NUMBER:** 251195162

**BUSINESS ADDRESS:**
- **STREET 1:** CECILIA GRIERSON 355, 4TH FLOOR
- **CITY:** BUENOS AIRES
- **STATE:** C1
- **ZIP:** C1107CPG
- **BUSINESS PHONE:** 54 114-319-3000

**MAIL ADDRESS:**
- **STREET 1:** CECILIA GRIERSON 355, 4TH FLOOR
- **CITY:** BUENOS AIRES
- **STATE:** C1
- **ZIP:** C1107CPG

<u><br></u>

**UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>Washington, D.C. 20549**

**_______________**

**FORM 6-K<br>_______________**

**REPORT OF FOREIGN PRIVATE ISSUER**

Pursuant to Rule 13a-16 or 15d-16 under the<br>Securities Exchange Act of 1934

**For the month of August, 2025**

**Commission File Number: 001-38262**

**_______________**

**LOMA NEGRA COMPAÑÍA INDUSTRIAL ARGENTINA SOCIEDAD ANÓNIMA**<br> (*Exact Name of Registrant as Specified in its Charter)*

**LOMA NEGRA CORPORATION**<br> (*Translation of Registrant's name into English*)

**_______________**

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| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Cecilia Grierson 355, 4th Floor**<br>**Zip Code C1107CPG – Capital Federal**<br>**Republic of Argentina** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(*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.<br>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):

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This Form 6-K for Loma Negra Compañía Industrial Argentina Sociedad Anónima (or the "Company") contains:

Exhibit 1:<u>[Loma Negra Earnings Release 2Q25](lomanegra-2q25xen.htm)</u>

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**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.

&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;

 Loma Negra Compañía Industrial Argentina Sociedad Anónima

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| | | |
|:---|:---|:---|
| Date: August 7, 2025 | By: /s/ | Marcos I. Gradin |
|  | Name: | Marcos I. Gradin |
|  | Title: | Chief Financial Officer |

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## Ex-1

![](lomanegra-2q25xen001.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Loma Negra Reports 2Q25 results Buenos Aires, August 7, 2025 – Loma Negra, (NYSE: LOMA; BYMA: LOMA), ("Loma Negra" or the "Company"), the leading cement producer in Argentina, today announced results for the three-month period ended June 30, 2025 (our "2Q25 Results"). 2Q25 Key Highlights  Net sales revenues stood at Ps. 174,511 million (US$149 million), and decreased by 8.0% YoY, mainly explained by a decrease of 9,9% in in the top line of the Cement segment.  Consolidated Adjusted EBITDA reached Ps. 37,005 million, decreasing by 30.6% YoY in pesos, while in dollars it reached 34 million, down 32.6% from 2Q24.  The Consolidated Adjusted EBITDA margin stood at 21.2%, decreasing by 691 basis points YoY from 28.1%.  Net Profit of Ps. 385 million, compared to a Net Profit of Ps. 41,246 million in the same period of the previous year, mainly due to a decrease in the net total finance results.  Net Debt stood at Ps. 256,186 million (US$215 million), representing a Net Debt/LTM Adjusted EBITDA ratio of 1.34x, compared to 0.89x in FY24. The Company has presented certain financial figures, Table 1b and Table 11, in U.S. dollars and Pesos without giving effect to IAS 29. The Company has prepared all other financial information herein by applying IAS 29. Commenting on the financial and operating performance for the second quarter of 2025, Sergio Faifman, Loma Negra's Chief Executive Officer, noted: "The Argentine economy continues to recover, with INDEC reporting a 5.8% year- over-year GDP growth for the first quarter of the year. Cement dispatches in the industry also improved, maintaining the positive trend observed in previous quarters. Our own volumes grew 11% year-over-year during the quarter, and we expect this trend to continue, reaffirming our double-digit growth outlook for 2025. In terms of results, in this context of a still-incipient recovery for the sector, margins for the quarter stood at 21.2% on a consolidated basis, showing a year-over-year decline driven by the impact of a more challenging competitive dynamic, typical of a recovery phase that has yet to consolidate. Additionally, we are proud to announce the launch of our new 25-kilogram cement bag, reinforcing our commitment to the health and safety of construction workers, as well as our focus on innovation and the evolution of the industry. This important milestone required significant efforts and a US$70 million investment in industrial infrastructure aimed at adapting and upgrading our production processes. Finally, I would like to highlight the successful issuance in July of a US$112.9 million bond, which was very well received by investors. This transaction will allow us to meet upcoming Class 2 and other short-term maturities, while maintaining a healthy debt profile."

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![](lomanegra-2q25xen002.jpg)

Table 1: Financial Highlights (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Net revenue 174,511 189,753 -8.0% 347,472 379,607 -8.5% Gross Profit 35,594 51,215 -30.5% 81,324 99,214 -18.0% Gross Profit margin 20.4% 27.0% -659 bps 23.4% 26.1% -273 bps Adjusted EBITDA 37,005 53,358 -30.6% 78,528 96,273 -18.4% Adjusted EBITDA Mg. 21.2% 28.1% -691 bps 22.6% 25.4% -276 bps Net Profit (Loss) 385 41,246 -99.1% 22,912 125,061 -81.7% Net Profit (Loss) attributable to owners of the Company 397 41,309 -99.0% 23,162 125,206 -81.5% EPS 0.6809 70.7981 -99.0% 39.6957 214.5858 -81.5% Average outstanding shares (\*) 583 583 0.0% 583 583 0.0% Net Debt 256,186 275,933 -7.2% 256,186 275,933 -7.2% Net Debt /LTM Adjusted EBITDA 1.34x 1.26x 0.07x 1.34x 1.26x 0.07x Table 1b: Financial Highlights in Ps and in U.S. dollars (figures exclude the impact of IAS 29) In million Ps. Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Net revenue 171,834 130,523 31.7% 329,561 233,057 41.4% Adjusted EBITDA 39,218 44,836 -12.5% 81,413 79,535 2.4% Adjusted EBITDA Mg. 22.8% 34.4% -1,153 bps 24.7% 34.1% -942 bps Net Profit (Loss) 7,708 21,649 -64.4% 32,148 38,366 -16.2% Net Debt 256,186 197,915 29.4% 256,186 197,915 29.4% Net Debt /LTM Adjusted EBITDA 1.34x 1.26x 0.07x 1.34x 1.26x 0.07x In million US$ Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Ps./US$, av 1,150.11 885.67 29.9% 1,102.34 859.48 28.3% Ps./US$, eop 1,194.08 911.75 31.0% 1,194.08 911.75 31.0% Net revenue 149 147 1.4% 299 271 10.3% Adjusted EBITDA 34 51 -32.6% 74 93 -20.2% Net Profit (Loss) 7 24 -72.6% 29 45 -34.7% Net Debt 215 217 -1.2% 215 217 -1.2% Net Debt /LTM Adjusted EBITDA 1.34x 1.26x 0.07x 1.34x 1.26x 0.07x

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![](lomanegra-2q25xen003.jpg)

Overview of Operations Sales Volumes Table 2: Sales Volumes2 Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Cement, masonry & lime MM Tn 1.21 1.09 11.1% 2.36 2.15 10.0% Concrete MM m3 0.13 0.09 44.0% 0.23 0.17 34.0% Railroad MM Tn 0.92 0.83 10.6% 1.75 1.53 14.8% Aggregates MM Tn 0.30 0.22 34.1% 0.54 0.44 22.0% 2 Sales volumes include inter-segment sales Sales volumes of cement, masonry, and lime in 2Q25 increased by 11.1% year-over-year (YoY), reaching 1.21 million tons. The recovery that began in the first months of the year maintained its momentum during the second quarter. Bulk cement dispatches started to show a stronger dynamic, driven by industrial and commercial projects as well as larger housing developments. Additionally, some provincial-level public works began to gain pace, although they remain at a very early stage. Bagged cement growth continued the trend seen in the first quarter, posting single-digit YoY growth. Concrete segment volumes increased by 44.0% year-over-year. Sales in the quarter were primarily driven by higher activity in private projects, mainly related to logistics infrastructure and residential developments. Additionally, there was an increased level of activity—although still in its early stages—in public works, mainly driven by road construction and infrastructure projects in the provinces of Buenos Aires and Santa Fe. Similarly, the aggregates segment grew by 34.1%, supported by sustained activity in road construction projects. Railway segment volumes grew by 10.6% compared to the same quarter in 2024, driven by increased transportation of construction materials, which offset the decline in grains, gypsum, and frac sand. These products were negatively affected by the disruption of the railway line connecting Bahía Blanca with Neuquén, caused by the storm that struck the area a few months ago. Review of Financial Results Table 3: Condensed Interim Consolidated Statements of Profit or Loss and Other Comprehensive Income (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Net revenue 174,511 189,753 -8.0% 347,472 379,607 -8.5% Cost of sales (138,917) (138,538) 0.3% (266,148) (280,393) -5.1% Gross profit 35,594 51,215 -30.5% 81,324 99,214 -18.0% Selling and administrative expenses (18,676) (17,742) 5.3% (38,847) (39,628) -2.0% Other gains and losses 1,403 635 121.0% 2,108 783 169.3% Tax on debits and credits to bank accounts (2,113) (2,007) 5.2% (3,999) (4,068) -1.7% Finance gain (cost), net Gain on net monetary position 17,079 69,597 -75.5% 44,017 233,633 -81.2% Exchange rate differences (23,984) (12,558) 91.0% (33,105) (26,210) 26.3% Financial income (12) 353 n/a 1,135 730 55.4% Financial expense (9,775) (23,930) -59.2% (19,296) (65,267) -70.4% Profit (Loss) before taxes (483) 65,562 n/a 33,336 199,188 -83.3% Income tax expense Current (1,404) (28,303) -95.0% (12,373) (47,556) -74.0% Deferred 2,272 3,988 -43.0% 1,949 (26,570) n/a Net profit (Loss) 385 41,246 -99.1% 22,912 125,061 -81.7%

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![](lomanegra-2q25xen004.jpg)

Net Revenues Net revenue decreased 8.0% to Ps. 174,511 million in 2Q25, from Ps. 189,753 million in the comparable quarter last year, mainly due to the lower top line performance of the Cement business, followed by the rest of the main segments. The Cement, Masonry Cement, and Lime segment recorded a 9.9% year-over-year decline in revenues, despite an 11.1% increase in volumes that continued the recovery trend observed in previous quarters. Bulk cement dispatches performed more strongly, regaining ground from prior quarters, while bagged cement continued recovering at a steady pace. The positive impact of higher volumes was outweighed by softer pricing conditions, where, in the context of a still incipient recovery and a new low- inflation environment, the competitive landscape continues to limit pricing dynamic. Concrete revenue declined by 1.1% compared to 2Q24, mainly due to softer pricing dynamics in a highly competitive environment, despite a 44.0% increase in volumes. The growth in volumes was supported by private projects—mainly related to logistics infrastructure and residential developments—and a moderate uptick in public works. On the other hand, revenue in the Aggregates segment remained nearly flat, increasing by just 0.8% year-over-year. Sales volumes rose by 34.1%, driven by higher activity in road construction projects. However, this positive effect was offset by weaker pricing dynamics in a still-recovering competitive environment. Additionally, the sales mix had a negative impact, as road construction projects primarily require fine aggregates, which command a lower average price. Railroad revenues declined by 8.6% in 2Q25 compared to the same quarter of 2024, as higher transported volumes, up 10.6%, only partially offset softer pricing conditions. The disruption of the railway line in Bahía Blanca particularly affected longer-haul traffic (mainly grains, gypsum, frac sand), reducing ton-kilometers transported and, consequently, revenue generation. Cost of sales, and Gross profit Cost of sales remained virtually flat, rising by just 0.3% year-over-year to Ps. 138,917 million in 2Q25. Despite the increase in sales volumes, effective cost management and a lower depreciation impact helped offset potential cost pressures and contain overall expenses. In the Cement segment, lower maintenance costs and improved energy input prices positively impacted the quarterly performance. Continuing the trend from previous quarters, the Company continues to benefit from thermal energy contracts with year-over-year tariff reductions, including short-term agreements linked to oil production. On the electrical energy side, however, we are bearing the impact of adjustments in transmission and distribution costs, which have significantly increased electricity tariffs. Gross profit decreased by 30.5% in the second quarter, totaling Ps. 35,594 million compared to Ps. 51,215 million in 2Q24. Similarly, the gross profit margin contracted by 659 basis points year-over-year, reaching 20.4%. Selling and Administrative Expenses Selling and administrative expenses (SG&A) increased by 5.3%, totaling Ps. 18,676 million in 2Q25, compared to Ps. 17,742 million in 2Q24. This increase was mainly driven by higher salary and insurance costs, partially offset by lower marketing expenses. As a percentage of sales, SG&A reached 10.7%, rising by 135 basis points year-over-year. Adjusted EBITDA & Margin Table 4: Adjusted EBITDA Reconciliation & Margin (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Adjusted EBITDA reconciliation: Net profit (Loss) 385 41,246 -99.1% 22,912 125,061 -81.7% (+) Depreciation and amortization 18,685 19,250 -2.9% 33,944 35,904 -5.5% (+) Tax on debits and credits to bank accounts 2,113 2,007 5.2% 3,999 4,068 -1.7% (+) Income tax expense (868) 24,316 n/a 10,424 74,127 -85.9% (+) Financial interest, net 8,458 18,790 -55.0% 14,437 47,313 -69.5% (+) Exchange rate differences, net 23,984 12,558 91.0% 33,105 26,210 26.3% (+) Other financial expenses, net 1,329 4,787 -72.2% 3,724 17,224 -78.4% (+) Gain on net monetary position (17,079) (69,597) -75.5% (44,017) (233,633) -81.2% Adjusted EBITDA 37,005 53,358 -30.6% 78,528 96,273 -18.4% Adjusted EBITDA Margin 21.2% 28.1% -691 bps 22.6% 25.4% -276 bps

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![](lomanegra-2q25xen005.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;Adjusted EBITDA decreased by 30.6% year-over-year in 2Q25, totaling Ps. 37,005 million, compared to Ps. 53,358 million in the same period of the previous year. This result was primarily driven by the weaker performance of the Cement business, followed by other segments, with the exception of the Railroad segment, which delivered a positive contribution. As a result, the Adjusted EBITDA margin contracted by 691 basis points, declining to 21.2% in 2Q25 from 28.1% in 2Q24. In particular, the Adjusted EBITDA margin of the Cement, Masonry, and Lime segment contracted by 678 basis points to 24.8%, as softer pricing performance was only partially offset by higher sales volumes and cost efficiencies, with costs declining by 11% on a per-ton basis. Meanwhile, the Concrete segment's Adjusted EBITDA margin contracted by 773 basis points, down to -13.0%, compared to - 5.3% in 2Q24, as cost controls and improved volumes were not sufficient to offset the impact of a softer price dynamic. The Adjusted EBITDA margin of the Aggregates segment contracted to -27.3%, down from -10.8% in 2Q24. While volumes improved this quarter, a still challenging competitive environment and an unfavorable product mix weighed on the segment's profitability. Regarding the Railroad segment, its Adjusted EBITDA margin expanded by 351 basis points to 9.8% in 2Q25, compared to 6.3% in 2Q24. Transported volumes improved, primarily driven by increased shipments of construction materials. However, the disruption of the railway line in Bahía Blanca particularly affected longer-haul traffic (mainly grains, gypsum, frac sand), reducing ton-kilometers transported and, consequently, revenue generation. These pressures were mitigated by cost reductions. Finance Costs-Net Table 5: Finance Gain (Cost), net (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 % Chg. 2025 2024 % Chg. Exchange rate differences (23,984) (12,558) 91.0% (33,105) (26,210) 26.3% Financial income (12) 353 n/a 1,135 730 55.4% Financial expense (9,775) (23,930) -59.2% (19,296) (65,267) -70.4% Gain on net monetary position 17,079 69,597 -75.5% 44,017 233,633 -81.2% Total Finance Gain (Cost), Net (16,691) 33,461 n/a (7,249) 142,886 n/a During 2Q25, the Company reported a total Net Financial Cost of Ps. 16,691 million, from a gain of Ps. 33,461 recorded in 2Q24. This significant year-over-year decline was mainly attributable to a lower gain on the net monetary position, as the inflationary effect on monetary liabilities moderated considerably compared to the same period last year, and to a higher impact from exchange rate differences resulting from the devaluation that followed the easing of capital controls. Meanwhile, Net Financial expense decreased by 58.5% year-over-year, to Ps. 9,787 million, reflecting the benefit of lower interest rates. Net Profit and Net Profit Attributable to Owners of the Company The Company reported a Net Profit of Ps. 0.4 billion in 2Q25, compared to Ps. 41.2 billion in the same period of the previous year. The decline was mainly driven by a lower financial result (net), reflecting a more moderate inflationary effect, coupled with lower operational performance. However, the decrease was partially offset by lower income tax expenses. Net Profit Attributable to Owners of the Company stood at Ps. 397 million. During the quarter, the Company reported a gain per common share of Ps. 0.6809 and an ADR gain of Ps. 3.4047, compared to a gain per common share of Ps. 70.7981 and a gain per ADR of Ps. 353.9903 in 2Q24.

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&nbsp;&nbsp;&nbsp;&nbsp;Capitalization Table 6: Capitalization and Debt Ratio (amounts expressed in millions of pesos, unless otherwise noted) As of June 30, As of December, 31 2025 2024 2024 Total Debt 272,081 280,227 196,702 - Short-Term Debt 270,713 106,470 115,880 - Long-Term Debt 1,367 173,757 80,822 Cash, Cash Equivalents and Investments (15,894) (4,294) (9,845) Total Net Debt 256,186 275,933 186,857 Shareholder's Equity 935,771 862,108 912,859 Capitalization 1,207,852 1,142,335 1,109,561 LTM Adjusted EBITDA 190,566 219,153 210,406 Net Debt /LTM Adjusted EBITDA 1.34x 1.26x 0.89x As of June 30, 2025, total Cash, Cash Equivalents, and Investments were Ps. 15,894 million compared with Ps. 4,294 million as of June 30, 2024. Total debt at the close of the quarter stood at Ps. 272,081 million, composed by Ps. 270,713 million in short- term borrowings, including the current portion of long-term borrowings (or 99% of total borrowings), and Ps. 1,367 million in long-term borrowings (or 1% of total borrowings). At the close of the second quarter of 2025, 71% (or Ps. 192,363 million) of Loma Negra's total debt was denominated in U.S. dollars, and 29% (or Ps. 79,717 million) was in Pesos. As of June 30, 2025, 21% of the Company's consolidated loans accrued interest at a variable rate, primarily based on the short- term market rate in pesos, as it is debt in local currency. The remaining 79% accrue interest at a fixed rate. By the end of the quarter, the average duration of Loma Negra's total debt was 0.4 years. The Net Debt to Adjusted EBITDA (LTM) ratio stood at 1.34x as of the end of the second quarter, up from 0.89x as of December 31, 2024. After the close of the quarter, the Company issued its Class 5 corporate bond for US$112.9 million with a two-year tenor. The proceeds will be used to cancel the outstanding of Class 2 bond maturing in December, along with other short-term debt. With this issuance, the Company increased the average duration of its debt and maintains a well-balanced maturity profile.

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![](lomanegra-2q25xen007.jpg)

Cash Flows Table 7: Condensed Interim Consolidated Statement of Cash Flows (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 2025 2024 CASH FLOWS FROM OPERATING ACTIVITIES Net Profit (Loss) 385 41,246 22,912 125,061 Adjustments to reconcile net profit (loss) to net cash provided by operating activities 32,660 6,424 45,734 (47,175) Changes in operating assets and liabilities (55,317) (25,367) (92,323) (68,368) Net cash generated by (used in) operating activities (22,271) 22,303 (23,677) 9,518 CASH FLOWS FROM INVESTING ACTIVITIES Property, plant and equipment, Intangible Assets, net (18,038) (22,727) (29,790) (36,754) Contributions to Trust (406) (481) (659) (562) Net cash used in investing activities (18,444) (23,208) (30,449) (37,316) CASH FLOWS FROM FINANCING ACTIVITIES Proceeds / Repayments from borrowings, Interest paid 45,605 (2,952) 61,472 24,263 Share repurchase plan - - - (685) Net cash generated by (used in) by financing activities 45,605 (2,952) 61,472 23,578 Net increase (decrease) in cash and cash equivalents 4,890 (3,857) 7,346 (4,220) Cash and cash equivalents at the beginning of the year 11,262 16,878 9,845 16,878 Effect of the re-expression in homogeneous cash currency ("Inflation- Adjusted") (931) (1,533) (2,105) (8,914) Effects of the exchange rate differences on cash and cash equivalents in foreign currency 674 78 809 550 Cash and cash equivalents at the end of the period 15,894 11,567 15,894 4,294 In 2Q25, net cash used in operating activities totaled Ps. 22,271 million, compared to Ps. 22,303 million generated in the same period of the previous year. This performance was primarily driven by a lower operational result and a higher income tax paid. The income tax paid during the quarter stood at Ps. 46,214 million and mainly corresponds to the amount determined for fiscal year 2024. Since the Company reported a negative result in 2023 for income tax purposes, no advance payments were made for 2024 until the final tax was assessed and became due in May 2025. Additionally, the Company has already started making advance payments for fiscal year 2025. This effect was partially offset by lower working capital needs in other areas. With the beginning of the winter season, we began to minimize clinker production and increase the use of inventories. During the quarter, the Company generated Ps. 45,605 million in cash from financing activities, mainly from new borrowings, net of repayments and interest payments. Additionally, Ps. 18,444 million were used in investing activities, primarily allocated to the 25-kilogram bagging project

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2Q25 Earnings Conference Call When: 10:00 a.m. U.S. ET (11:00 a.m. BAT), August 8, 2025 Dial-in: 0800-444-2930 (Argentina), 1-833-255-2824 (U.S.), 1-866-605-3852 (Canada), 1-412-902-6701 (International) Password: Loma Negra Call Webcast: https://event.choruscall.com/mediaframe/webcast.html?webcastid=S75svJBU Replay: A telephone replay of the conference call will be available until August 15, 2025. The replay can be accessed by dialing 1-877-344-7529 (U.S. toll free), or 1-412-317-0088 (International). The passcode for the replay is 9673151. The audio of the conference call will also be archived on the Company's website at www.lomanegra.com Definitions Adjusted EBITDA is calculated as net profit plus financial interest, net plus income tax expense plus depreciation and amortization plus exchange rate differences plus other financial expenses, net plus tax on debits and credits to bank accounts, plus share of loss of associates, plus net Impairment of Property, plant and equipment, and less income from discontinued operation. Loma Negra believes that excluding tax on debits and credits to bank accounts from its calculation of Adjusted EBITDA is a better measure of operating performance when compared to other international players. Net Debt is calculated as borrowings less cash, cash equivalents and short-term investments. About Loma Negra Founded in 1926, Loma Negra is the leading cement company in Argentina, producing and distributing cement, masonry cement, aggregates, concrete and lime, products primarily used in private and public construction. Loma Negra is a vertically-integrated cement and concrete company, with nationwide operations, supported by vast limestone reserves, strategically located plants, top-of-mind brands and established distribution channels. Loma Negra is listed both on BYMA and on NYSE in the U.S., where it trades under the symbol "LOMA". One ADS represents five (5) common shares. For more information, visit www.lomanegra.com. Note The Company presented some figures converted from Pesos to U.S. dollars for comparison purposes. The exchange rate used to convert Pesos to U.S. dollars was the reference exchange rate (Communication "A" 3500) reported by the Central Bank for U.S. dollars. The information presented in U.S. dollars is for the convenience of the reader only. Certain figures included in this report have been subject to rounding adjustments. Accordingly, figures shown as totals in certain tables may not be arithmetic aggregations of the figures presented in previous quarters. Rounding: We have made rounding adjustments to reach some of the figures included in this report. As a result, numerical figures shown as totals in some tables may not be an arithmetic aggregation of the figures that preceded them. Disclaimer This release contains forward-looking statements within the meaning of federal securities law that are subject to risks and uncertainties. These statements are only predictions based upon our current expectations and projections about possible or assumed future results of our business, financial condition, results of operations, liquidity, plans and objectives. In some cases, you can identify forward-looking statements by terminology such as "believe," "may," "estimate," "continue," "anticipate," "intend," "should," "plan," "expect," "predict," "potential," "seek," "forecast," or the negative of these terms or other similar expressions. The forward-looking statements are based on the information currently available to us. There are important factors that could cause our actual results, level of activity, performance or achievements to differ materially from the results, level of activity, performance or achievements expressed or implied by the forward-looking statements, including, among others things: changes in general economic, political, governmental and business conditions globally and in Argentina, changes in inflation rates, fluctuations in the exchange rate of the peso, the level of construction generally, changes in cement demand and prices, changes in raw material and energy prices, changes in business strategy and various other factors. You should not rely upon forward-looking statements as predictions of future events. Although we believe in good faith that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee that future results, levels of activity, performance and events and circumstances reflected in the forward-looking statements will be achieved or will occur. Any or all of Loma Negra's forward-looking statements in this release may turn out to be wrong. You should consider these forward-looking statements in light of other factors discussed under the heading "Risk Factors" in the prospectus filed with the Securities and Exchange Commission on October 31, 2017 in connection with Loma Negra's initial public offering. Therefore, readers are cautioned not to place undue reliance on these forward- looking statements. Except as required by law, we undertake no obligation to update publicly any forward-looking statements for any reason after the date of this release to conform these statements to actual results or to changes in our expectations. IR Contacts Marcos I. Gradin, Chief Financial Officer and Investor Relations Diego M. Jalón, Investor Relations Manager +54-11-4319-3050 investorrelations@lomanegra.com --- Financial Tables Follow ---

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Table 8: Condensed Interim Consolidated Statements of Financial Position (amounts expressed in millions of pesos, unless otherwise noted) As of June 30, As of December, 31 2025 2024 ASSETS Non-current assets Property, plant and equipment 1,207,700 1,213,350 Right to use assets 3,184 3,656 Intangible assets 4,740 3,334 Investments 80 80 Goodwill 797 797 Inventories 84,753 77,076 Other receivables 1,864 7,198 Other assets 403 783 Total non-current assets 1,303,521 1,306,275 Current assets Inventories 246,918 232,224 Other receivables 21,270 15,920 Trade accounts receivable 59,844 56,684 Investments 5,834 666 Cash and banks 10,060 9,179 Total current assets 343,926 314,672 TOTAL ASSETS 1,647,447 1,620,947 SHAREHOLDER'S EQUITY Capital stock and other capital related accounts 304,324 304,324 Reserves 608,790 431,760 Retained earnings 23,162 177,030 Equity attributable to the owners of the Company 936,276 913,115 Non-controlling interests (505) (256) TOTAL SHAREHOLDER'S EQUITY 935,771 912,859 LIABILITIES Non-current liabilities Borrowings 1,367 80,822 Provisions 12,792 12,938 Salaries and social security payables 1,259 1,736 Debts for leases 1,595 2,070 Other liabilities 1,128 1,163 Deferred tax liabilities 299,156 301,105 Total non-current liabilities 317,297 399,834 Current liabilities Borrowings 270,713 115,880 Accounts payable 88,080 107,720 Advances from customers 6,740 7,379 Salaries and social security payables 13,888 20,614 Tax liabilities 11,959 53,917 Debts for leases 1,716 1,598 Other liabilities 1,282 1,147 Total current liabilities 394,378 308,254 TOTAL LIABILITIES 711,675 708,088 TOTAL SHAREHOLDER'S EQUITY AND LIABILITIES 1,647,447 1,620,947

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Table 9: Condensed Interim Consolidated Statements of Profit or Loss and Other Comprehensive Income (unaudited) (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 % Change 2025 2024 % Change Net revenue 174,511 189,753 -8.0% 347,472 379,607 -8.5% Cost of sales (138,917) (138,538) 0.3% (266,148) (280,393) -5.1% Gross Profit 35,594 51,215 -30.5% 81,324 99,214 -18.0% Selling and administrative expenses (18,676) (17,742) 5.3% (38,847) (39,628) -2.0% Other gains and losses 1,403 635 121.0% 2,108 783 169.3% Tax on debits and credits to bank accounts (2,113) (2,007) 5.2% (3,999) (4,068) -1.7% Finance gain (cost), net Gain on net monetary position 17,079 69,597 -75.5% 44,017 233,633 -81.2% Exchange rate differences (23,984) (12,558) 91.0% (33,105) (26,210) 26.3% Financial income (12) 353 n/a 1,135 730 55.4% Financial expenses (9,775) (23,930) -59.2% (19,296) (65,267) -70.4% Profit (loss) before taxes (483) 65,562 n/a 33,336 199,188 -83.3% Income tax expense Current (1,404) (28,303) -95.0% (12,373) (47,556) -74.0% Deferred 2,272 3,988 -43.0% 1,949 (26,570) n/a Net Profit (Loss) 385 41,246 -99.1% 22,912 125,061 -81.7% Net Profit (Loss) for the period attributable to: Owners of the Company 397 41,309 -99.0% 23,162 125,206 -81.5% Non-controlling interests (12) (63) -80.6% (249) (145) 71.8% NET PROFIT (LOSS) FOR THE PERIOD 385 41,246 -99.1% 22,912 125,061 -81.7% Earnings per share (basic and diluted): 0.6809 70.7981 -99.0% 39.6957 214.5858 -81.5%

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Table 10: Condensed Interim Consolidated Statement of Cash Flows (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 2024 2025 2024 CASH FLOWS FROM OPERATING ACTIVITIES Net Profit (Loss) 385 41,246 22,912 125,061 Adjustments to reconcile net profit to net cash provided by operating activities Income tax expense (868) 24,316 10,424 74,127 Depreciation and amortization 18,685 19,250 33,944 35,904 Provisions 1,359 2,327 2,524 4,028 Exchange rate differences 21,561 11,320 28,590 24,692 Interest expense 8,595 18,832 14,599 47,511 Gain on disposal of property, plant and equipment 2 (635) (113) (663) Gain on net monetary position (17,079) (69,597) (44,017) (233,633) Impairment of trust fund 406 481 (217) 562 Share-based payment - 131 - 297 Changes in operating assets and liabilities Inventories 4,878 (8,224) (17,351) (44,821) Other receivables (4,298) 2,276 (963) 16,225 Trade accounts receivable (4,511) (13,583) (11,729) (38,770) Advances from customers (858) (910) 132 (4,545) Accounts payable (2,003) (4,744) (9,868) 15,060 Salaries and social security payables (5,285) (4,949) (4,400) 3,182 Provisions (86) (460) (922) (544) Tax liabilities 2,835 8,845 3,501 (2,955) Other liabilities 226 (859) 325 (4,037) Income tax paid (46,214) (2,760) (51,049) (7,163) Net cash generated by (used in) operating activities (22,271) 22,303 (23,677) 9,518 CASH FLOWS FROM INVESTING ACTIVITIES Proceeds from disposal of Property, plant and equipment (2) 178 588 697 Payments to acquire Property, plant and equipment (15,952) (22,680) (28,294) (37,226) Payments to acquire Intangible Assets (2,084) (225) (2,084) (225) Contributions to Trust (406) (481) (659) (562) Net cash generated by (used in) investing activities (18,444) (23,208) (30,449) (37,316) CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from borrowings 79,205 143,683 112,917 276,547 Interest paid (8,522) (19,961) (14,085) (50,688) Debts for leases (478) (498) (949) (1,130) Repayment of borrowings (24,600) (126,176) (36,411) (200,467) Share repurchase plan - - - (685) Net cash generated by (used in) financing activities 45,605 (2,952) 61,472 23,578 Net increase (decrease) in cash and cash equivalents 4,890 (3,857) 7,346 (4,220) Cash and cash equivalents at the beginning of the period 11,262 16,878 9,845 16,878 Effect of the re-expression in homogeneous cash currency ("Inflation-Adjusted") (931) (1,533) (2,105) (8,914) Effects of the exchange rate differences on cash and cash equivalents in foreign currency 674 78 809 550 Cash and cash equivalents at the end of the period 15,894 11,567 15,894 4,294

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Table 11: Financial Data by Segment (figures exclude the impact of IAS 29) (amounts expressed in millions of pesos, unless otherwise noted) Three-months ended June 30, Six-months ended June 30, 2025 % 2024 % 2025 % 2024 % Net revenue 171,834 100.0% 130,523 100.0% 329,561 100.0% 233,057 100.0% Cement, masonry cement and lime 149,622 87.1% 115,987 88.9% 287,474 87.2% 207,478 89.0% Concrete 14,868 8.7% 10,526 8.1% 28,326 8.6% 18,613 8.0% Railroad 15,907 9.3% 12,165 9.3% 30,497 9.3% 21,020 9.0% Aggregates 4,774 2.8% 3,305 2.5% 8,756 2.7% 6,051 2.6% Others 2,546 1.5% 1,227 0.9% 4,535 1.4% 2,029 0.9% Eliminations (15,882) -9.2% (12,686) -9.7% (30,028) -9.1% (22,134) -9.5% Cost of sales 119,521 100.0% 76,011 100.0% 220,437 100.0% 134,127 100.0% Cement, masonry cement and lime 97,279 81.4% 63,306 83.3% 178,370 80.9% 111,063 82.8% Concrete 16,086 13.5% 10,495 13.8% 29,485 13.4% 18,595 13.9% Railroad 15,236 12.7% 10,835 14.3% 30,258 13.7% 19,471 14.5% Aggregates 5,706 4.8% 3,403 4.5% 10,393 4.7% 5,993 4.5% Others 1,096 0.9% 658 0.9% 1,960 0.9% 1,139 0.8% Eliminations (15,882) -13.3% (12,686) -16.7% (30,028) -13.6% (22,134) -16.5% Selling, admin. expenses and other gains & losses 15,753 100.0% 10,945 100.0% 32,477 100.0% 21,906 100.0% Cement, masonry cement and lime 13,909 88.3% 10,003 91.4% 28,976 89.2% 19,876 90.7% Concrete 604 3.8% 232 2.1% 1,261 3.9% 767 3.5% Railroad 798 5.1% 364 3.3% 1,181 3.6% 634 2.9% Aggregates 56 0.4% 36 0.3% 93 0.3% 65 0.3% Others 387 2.5% 311 2.8% 966 3.0% 565 2.6% Depreciation and amortization 2,659 100.0% 1,269 100.0% 4,766 100.0% 2,510 100.0% Cement, masonry cement and lime 1,829 68.8% 924 72.8% 3,507 73.6% 1,706 68.0% Concrete 109 4.1% 53 4.1% 189 4.0% 103 4.1% Railroad 317 11.9% 206 16.2% 498 10.4% 560 22.3% Aggregates 398 15.0% 85 6.7% 563 11.8% 138 5.5% Others 5 0.2% 1 0.1% 9 0.2% 3 0.1% Adjusted EBITDA 39,218 100.0% 44,836 100.0% 81,413 100.0% 79,535 100.0% Cement, masonry cement and lime 40,263 102.7% 43,602 97.2% 83,636 102.7% 78,246 98.4% Concrete (1,713) -4.4% (148) -0.3% (2,231) -2.7% (646) -0.8% Railroad 191 0.5% 1,172 2.6% (444) -0.5% 1,476 1.9% Aggregates (590) -1.5% (50) -0.1% (1,167) -1.4% 131 0.2% Others 1,068 2.7% 260 0.6% 1,619 2.0% 328 0.4% Reconciling items: Effect by translation in homogeneous cash currency ("Inflation- Adjusted") (2,213) 8,521 (2,885) 16,738 Depreciation and amortization (18,685) (19,250) (33,944) (35,904) Tax on debits and credits banks accounts (2,113) (2,007) (3,999) (4,068) Finance gain (cost), net (16,691) 33,461 (7,249) 142,886 Income tax 868 (24,316) (10,424) (74,127) NET PROFIT (LOSS) FOR THE PERIOD 385 41,246 22,912 125,061

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