• we verified on a sample basis source data in individual data categories, i.e.:
o general information,
o headcount,
o fuels and energy.
• we familiarised ourselves with the calculation methodology and assumptions adopted for the
greenhouse gas emissions calculation model by the Group, analysed its reasonableness and
confirmed the mathematical accuracy of the calculations and selected source data,
• we obtained evidence regarding the methods, assumptions and data used to develop significant
estimates and forward-looking information and how these methods were applied,
• we verified the completeness of disclosures resulting from ESRS 2,
• we verified the completeness of disclosures resulting from ESRS regarding environmental, social and
governance matters in the Sustainability Reporting,
• we analysed compliance with minimum safeguards:
o we familiarised ourselves with the Group’s analysis of compliance with minimum safeguards,
o we familiarised ourselves with source documents (including policies, regulations, codes
implemented in the Group) in areas covered by minimum safeguards,
o we analysed letters from the Group’s lawyers,
o we analysed disclosures in the consolidated financial statements regarding provisions,
disputes, off-balance sheet liabilities and events after the balance sheet date,
• we verified taxonomy-related disclosures:
o we familiarised ourselves with the Group’s process for examining taxonomy compliance,
o for activities disclosed by the Group, we checked the division of activities into environmentally
sustainable, eligible but not aligned with the taxonomy and not eligible for the taxonomy,
o we verified the calculation of key turnover indicators, key indicators for capital expenditure
and key indicators for operating expenditure,
o we verified selected source documentation that was used to determine the above indicators,
o we confirmed that activities identified as environmentally sustainable meet the criteria for
making a substantial contribution and the criteria for not causing significant harm,
o we confirmed that activities identified as eligible but not aligned with the taxonomy are
included in the activities covered by the taxonomy,
o we confirmed that activities identified as not eligible for the taxonomy are not included in the
taxonomy,
o we verified the completeness of disclosures in accordance with the taxonomy,
o we verified the division of revenues in the Group into operating segments, which are the basis
for qualification according to the taxonomy,
o we confirmed revenues in the Group to the consolidation worksheets of companies within the
Group, which are the basis for preparing the consolidated financial statements,
o we verified capital expenditure on fixed assets in the Group and their assignment to the
analogous operating segment in the Group,
o we confirmed capital expenditure on fixed assets to the Group’s consolidation worksheet,
o we identified the sales process in the Group,
o we performed a monthly analysis of revenues and sales margin and explained significant
deviations,
o we verified on a sample basis the correctness of revenue recognition in the reporting period,
o we verified calculations performed using automated tools,
o we reconciled increases in fixed assets to registers,
o we confirmed on a sample basis increases in fixed assets to source documents,
• we confirmed the consistency of information contained in the sustainability reporting with other
elements of the Group’s annual report (including the separate financial statements and consolidated
financial statements).