Consolidation of a subsidiary begins when the Group obtains control over the subsidiary and ceases when the Group loses control of the subsidiary. Assets, liabilities, income and expenses of a subsidiary acquired or disposed of during the year are included in the consolidated financial statements from the date the Group gains control until the date the Group ceases to control the subsidiary.

The accounting policies into line with the Group´s accounting policies. All intra-group assets and liabilities, equity, income, expenses and cash flows relating to transactions between members of the Group are eliminated in full on consolidation.

A change in the ownership interest of a subsidiary, without a loss of control, is accounted for as an equity transaction.

A financial instrument is any contract that gives rise to a financial asset of one entity and a financial liability or equity instrument of another entity.

Initial recognition and measurement -

Financial assets are classified at initial recognition as measured at amortized cost, fair value through OCI or fair value through profit or loss.

The Group's financial assets include cash and cash equivalents, commercial and other receivables and other financial investments at fair value through OCI.

Subsequent measurement -

For purposes of subsequent measurement, financial assets are classified into the following categories:

The classification depends on the business model of the Company and the contractual terms of the cash flows.

Financial assets at amortized cost (debt instruments) -

The Group measures financial assets at amortized cost if both of the following conditions are met:

Financial assets at amortized cost are subsequently measured using the effective interest (EIR) method and are subject to impairment. Gains and losses are recognized in profit or loss when the asset is derecognized, modified or impaired.

Financial assets are not reclassified after their initial recognition, except if the Group changes its business model for its management.

As of December 31, 2024 and 2023, the Group held trade and other receivables in this category; because they meet the conditions described above.

Financial assets at fair value through OCI (equity instruments) -

Upon initial recognition, the Group can elect to irrevocably classify its equity investments as equity instruments designated at fair value through OCI when they meet the definition of equity and are not held for trading. The classification is determined on an instrument-by-instrument basis.

Gains and losses on these financial assets are never recycled to profit or loss. Dividends are recognized as other income in the statement of profit or loss when the right of payment has been established, except when the Group benefits from such proceeds as a recovery of part of the cost of the financial asset, in which case, such gains are recorded in OCI. Equity instruments designated at fair value through OCI are not subject to impairment assessment.

As of December 31, 2024 and 2023, the Group elected to classify irrevocably its listed equity investments under this category.

The Group recognizes an allowance for expected credit losses (ECLs) for all debt instruments not held at fair value through profit or loss. ECLs are based on the difference between the contractual cash flows due in accordance with the contract and all the cash flows that the Group expects to receive, discounted at an approximation of the original effective interest rate. The expected cash flows will include cash flows from the sale of collateral held or other credit enhancements that are integral to the contractual terms.

ECLs are recognized in two stages. For credit exposures for which there has not been a significant increase in credit risk since initial recognition, ECLs are provided for credit losses that result from default events that are possible within the next 12-months (a 12-month ECL). For those credit exposures for which there has been a significant increase in credit risk since initial recognition, a loss allowance is required for credit losses expected over the remaining life of the exposure, irrespective of the timing of the default (a lifetime ECL).

For trade receivables and contract assets, the Group applies a simplified approach in calculating ECLs. Therefore, the Group does not track changes in credit risk, but instead recognizes a loss allowance based on lifetime ECLs at each reporting date. The Group has established a provision matrix that is based on its historical credit loss experience, adjusted for forward-looking factors specific to the debtors and the economic environment.

The Group considers a financial asset in default when contractual payments are 360 days past due. However, in certain cases, the Group may also consider a financial asset to be in default when internal or external information indicates that the Group is unlikely to receive the outstanding contractual amounts in full before taking into account any credit enhancements held by the Group. A financial asset is written off when there is no reasonable expectation of recovering the contractual cash flows.

Initial recognition and measurement -

Financial liabilities are classified at initial recognition as financial liabilities at fair value through profit or loss, loans and borrowings, payables, as appropriate.

All financial liabilities are recognized initially at fair value and, in the case of loans and borrowings and payables, net of directly attributable transaction costs.

The Group’s financial liabilities include trade and other payables, interest-bearing loans and borrowings.

Subsequent measurement -

The subsequent measurement of financial liabilities depends on their classification, the Group maintains Loans and Borrowings, which accounting treatment is explained below:

After their initial recognition, interest-bearing loans and borrowings are subsequently measured at amortized cost using the EIR method. Gains and losses are recognized in the consolidated statement of profit or loss when the liabilities are derecognized as well as through the EIR amortization process.

Amortized cost is calculated by considering any discount or premium on acquisition and fees or costs that are an integral part of the EIR.The EIR amortization is included as finance costs in the consolidated statement of profit or loss.

As of December 31, 2024 and 2023, the Group included trade and other payables and financial liabilities in this category, for more information refer to notes 11 and 13.

Derecognition -

A financial liability is derecognized when the obligation under the liability is discharged or cancelled or expired.When an existing financial liability is replaced by another from the same lender on substantially different terms, or the terms of an existing liability are substantially modified, such an exchange or modification is treated as a derecognition of the original liability and the recognition of a new liability.The difference in the respective carrying amount is recognized in the consolidated statement of profit or loss.

The Group measures financial instruments such as equity investments, at fair value at each period end.

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value measurement is based on the presumption that the transaction to sell the asset or transfer the liability takes place either:

The principal or the most advantageous market must be accessible by the Group.

The fair value of an asset or a liability is measured using the assumptions that market participants would use when pricing the asset or liability, assuming that market participants act in their economic best interest.

A fair value measurement of a non-financial asset takes into account a market participant's ability to generate economic benefits by using the asset in its highest and best use or by selling it to another market participant that would use the asset in its highest and best use.

The Group uses valuation techniques that are appropriate in the circumstances and for which sufficient data are available to measure fair value, maximizing the use of relevant observable inputs and minimizing the use of unobservable inputs.

All assets and liabilities for which fair value is measured or disclosed in the financial statements are categorized within the fair value accounting hierarchy, described as follows, based on the lowest level input that is significant to the fair value measurement as a whole:

For assets and liabilities that are recognized in the financial statements at fair value on a recurring basis, the Group determines whether transfers have occurred between levels in the hierarchy by re-assessing categorization (based on the lowest level input that is significant to the fair value measurement as a whole) at the end of each reporting period.

The Group's management determines the policies and procedures for recurring and non-recurring fair value measurements.

At each reporting date, the Financial Management analyzes the changes in the values of the assets and liabilities that must be measured or determined on a recurring and non-recurring basis according to the Group's accounting policies. For this analysis, Management contrasts the main variables used in the latest assessments made with updated information available from valuations included in contracts and other relevant documents.

Management also compares the changes in the fair value of each asset and liability with the relevant external sources to determine whether the change is reasonable.

For purposes of disclosure of fair value, the Group has determined classes of assets and liabilities based on the inherent nature, characteristics and risks of each asset and liability, and the level of the fair value accounting hierarchy as explained above, see note 26(b).

Inventories are valued at the lower of cost or net realizable value. Costs incurred in bringing each product to its present location and conditions are accounted for as follows:

Raw materials, spare part and supplies

Finished goods and work in progress

Inventory in transit

Net realizable value is the estimated selling price in the ordinary course of business, less estimated cost of completion and the estimated costs of inventory necessary to make the sale.

Property, plant and equipment is stated at cost, net of accumulated depreciation and/or accumulated impairment losses, if any. Such cost includes the cost of replacing component parts of the property, plant and equipment and borrowing costs for long-term construction projects if the recognition criteria are met, see note 2.3.5. The capitalized value of a finance lease is also included within property, plant and equipment. When significant parts of plant and equipment are required to be replaced at intervals, the Group recognizes such parts as individual assets with specific useful lives and depreciates them separately based on their specific useful lives. Likewise, when a major inspection is performed, its cost is recognized in the carrying amount of the plant and equipment as a replacement if the recognition criteria are satisfied. All other repair and maintenance costs are recognized as operation cost or expense in profit or loss as incurred.

The present value of the expected cost for the decommissioning of an asset after its use is included in the cost of the respective asset if the recognition criteria for a provision are met. Refer to significant accounting judgments, estimates and assumptions, see note 3, and quarry rehabilitation cost provisions, see note 12.

Depreciation of assets is determined using the straight-line method over the estimated useful lives of such assets as follows:

The asset’s residual value, useful lives and methods of depreciation are reviewed at each reporting period and adjusted prospectively if appropriate.

An item of property, plant and equipment and any significant part initially recognized is derecognized upon disposal or when no future economic benefits are expected from its use or disposal. Any gain or loss arising on derecognition of the asset (calculated as the difference between the net disposal proceeds and the carrying amount of the asset) is included in the consolidated statement of profit or loss when the asset is derecognized.

Quarry development costs -

Quarry development costs incurred are stated at cost and are the next step in development of quarries after the exploration and evaluation stage. Quarry development costs are, upon commencement of the production phase, presented net of accumulated amortization and/or accumulated impairment losses, if any, and are presented within the property, plant and equipment caption. The amortization is calculated using the straight-line method based on the useful life of the quarry to which it relates. Expenditures that significantly increase the economic life of the quarry under exploitation are capitalized.

Stripping costs -

Stripping costs incurred in the development of a mine before production commences are capitalized as part of mine development costs and subsequently amortized over the life of the mine on a units-of-production basis, using the proved reserves.

Stripping costs incurred subsequently during the production phase of its operation are recorded as part of cost of production.

Ore reserves are estimates of the amount of ore that can be economically and legally extracted from the Group’s mining properties and concessions. The Group estimates its ore reserves and mineral resources, based on information compiled by appropriately qualified persons relating to the geological data on the size, depth and shape of the ore body, and requires complex geological judgments to interpret the data. The estimation of recoverable reserves is based upon factors such as estimates of foreign exchange rates, commodity prices, future capital requirements, and production costs along with geological assumptions and judgments made in estimating the size and grade of the ore body. Changes in the reserve or resource estimates may impact upon the carrying value of exploration and evaluation assets, provision for quarry rehabilitation and depreciation and amortization charges.

The Group has short-term obligations for employee benefits including salaries, severance contributions, legal bonuses, performance bonuses and profit sharing. These obligations are recorded monthly on an accrual basis.

Additionally, the Group has a long-term incentive plan for key management. This benefit is settled in cash, measured on the salary of each officer and upon fulfilling certain conditions such as years of experience within the Group and permanency. The Group recognizes the long-term obligation at its present value at the end of the reporting period using the projected credit unit method. To calculate the present value of these long-term obligations the Group uses a government bond discount rate at the date of the consolidated financial statements. This liability is annually reviewed on the date of the consolidated financial statements, and the accrual updates and the effect of changes in discount rates are recognized in the consolidated statement of profit or loss.

Current income tax -

Current income tax assets and liabilities are measured at the amount expected to be recovered from or paid to the tax authorities. The tax rates and tax laws used to compute the amount are those that are enacted or substantively enacted, at the reporting date in Peru, where the Group operates and generates taxable income.

Deferred tax -

Deferred tax is determinated on temporary differences between the tax bases of assets and liabilities and their carrying amounts for financial reporting purposes at the reporting date.

Deferred tax liabilities are recognized for all taxable temporary differences, except in respect of taxable temporary differences associated with investments in subsidiaries, associates and interests in joint arrangements, when the timing of the reversal of the temporary differences can be controlled and it is probable that the temporary differences will not reverse in the foreseeable future.

Deferred tax assets are recognized for all deductible temporary differences, the carry forward of unused tax credits and unused tax losses.

The carrying amount of deferred tax assets is reviewed at each reporting date and reduced to the extent that it is no longer probable that sufficient taxable profit will be available to allow all or part of the deferred tax asset to be utilized. Unrecognized deferred tax assets are re-assessed at each reporting date and are recognized to the extent that it has become probable that future taxable profits will allow the deferred tax asset to be recovered.

Deferred tax assets and liabilities are measured at the tax rates that are expected to apply in the year when the asset is realized or the liability is settled, based on tax rates (and tax laws) that have been enacted or substantively enacted at the reporting date.

Deferred tax related to items recognized outside profit or loss is recognized outside profit or loss. Deferred tax items are recognized in correlation to the underlying transaction either in OCI or directly in equity.

The Group assesses, at each reporting date, whether there is an indication that an asset may be impaired. If any indication exists, or when annual impairment testing for an asset is required (goodwill and Intangible assets with indefinite useful lives), the Group estimates the asset’s recoverable amount. An asset’s recoverable amount is the higher of an asset’s or cash-generating unit’s (CGU) fair value less costs of disposal and its value in use and is determined for an individual asset, unless the asset does not generate cash inflows that are largely independent of those from other assets or groups of assets. Where the carrying amount of an asset or CGU exceeds its recoverable amount, the asset is considered impaired and is written down to its recoverable amount.

In assessing value in use, the estimated future cash flows are discounted to their present value using a pre-tax discount rate that reflects current market assessments of the time value of money and the risks specific to the asset. In determining fair value less costs of disposal, recent market transactions are considered. If no such transactions can be identified, an appropriate valuation model is used. These calculations are corroborated by valuation multiples, quoted share prices for publicly traded companies or other available fair value indicators.

The Group supports its impairment calculation by using detailed budgets and forecast calculations, which are prepared separately for each of the Group´s CGUs to which the individual assets are allocated.

Impairment losses related to continuing operations, including impairment on inventories, are recognized in the consolidated statement of profit or loss in expense categories consistent with the function of the impaired asset.

In addition, an assessment is made at each reporting date to determine whether there is any indication that previously recognized impairment losses may no longer exist or have decreased. If such an indication exists, the Group estimates the asset’s or CGU’s recoverable amount. A previously recognized impairment loss is reversed only if there has been a change in the assumptions used to determine the asset’s recoverable amount since the last impairment loss was recognized. The reversal is limited so that the carrying amount of the asset does not exceed its recoverable amount, nor exceed the carrying amount that would have been determined, net of depreciation, had no impairment loss been recognized for the asset in prior years. Such reversal is recognized in the consolidated statement of profit or loss.

Exploration and evaluation assets are tested for impairment annually as of December 31, either individually or at the cash-generating unit level, as appropriate, and when circumstances indicate that the carrying value may be impaired.

As of December 31, 2024 and 2023 there were no signs of impairment for long-lived assets.