Priner Serviços Industriais (PRNR3) Corporate presentation summary

Business model and positioning

• Differentiators include quality, safety, technical expertise and technology, alongside mission-critical services and recurring OPEX and CAPEX demand.

• Diversification spans Oil & Gas, mining, infrastructure, industrial services and other sectors; capital allocation is guided by EVA.

• Strategy focuses on expanding the addressable market through an innovative portfolio and trusted, value-generating partnerships.

Platform and scale

• Integrated services cover industrial access, corrosion treatment, insulation, fire protection, infrastructure rehabilitation, electromechanical assembly, inspection, engineering and mining operations.

• 2025 net revenue was R$1,564 million; the workforce totaled 7,843 in 4Q25 and consolidated NPS was 73.

• Completed 10 acquisitions since IPO; listed clients include Vale, Anglo American, Samarco, Petrobras, Equinor, Braskem, Suzano and Klabin.

Growth and segment mix

• Consolidated revenue CAGR was 30.1% and organic revenue CAGR was 22.5%; acquired businesses enter organic results starting in the second year after acquisition.

• Reporting shifted in 4Q25 to Oil & Gas, Mining and Others segments.

• Mining and Oil & Gas represented 50% of gross revenue in 2025, down from 76% in 2022; Others rose to 50% from 24%.

• First-quarter activity is historically lower, with rainfall from December to March affecting project schedules and revenue concentration.