Construction of opex and capex budget bases, analysis and control of project costs, costs reclassification, monthly comparison of budgeted and realized, preparation of project P&L, preparation of financial viability projects for new plant investments, execution of projects cost reduction with a focus on Ebitda, monitoring of project covenants, monitoring of maintenance orders, requests, orders and contracts, review of corporate analyses, monthly and quarterly meetings with plant managers and general management to present results and close budget and forecast, budget upload and quarterly reviews in the Sap Analytics system and support to operational areas. Main Projects: - Analysis of leasing contracts (IRFS16), reduction of R$50 million/year in impact on EBITDA; - Application of capitalization of overhaul costs (IAS 16), reduction of R$26.5 million in impact on EBITDA; - Accounting/tax recovery of assets delivered by EPC, impact of R$ 150 thousand.

Analysis and cost control of opex and capex, detailed monitoring of costs and expenses of the result, analysis of the cost of freight / ICMS of inputs, support to operational areas, regional and administrative areas, preparation and analysis of cash flow, analysis of real x budgeted, elaboration and analysis of financial viability project, DRE analysis and monthly closing managerial analysis, justifying thevariations, creation of a detailed database of the five-year opex budget, revised every three months, uploading the budget to the Cognos system, analysis and validation of orders before they impact the result, automation of activities with VBA, preparation of the administration report for the State.Main Projects: - Analysis of lease contracts (IFRS 16), reduction of R$ 1.2 million/year in impact on EBITDA; - Construction of financial modeling for a water network repair project (R$ 23 million/year); - Automation of the monthly DRE report, using VBA;

Budget x Real analysis, internal client support, analysis and control of expenses related to the operation, analysis and reconciliation of accounting ledger, tax analysis, preparation and analysis of cash flow, monthly provision and validation of each measurement of support and operation areas (air logistics, river logistics, seismic, construction, remediation, drilling, geology, warehouse, hse, license, rig management and security), tax review, control reporting, perform and facilitate petroleum contracts affairs, reporting requirements for oil and gás accounting.Main Projects: - Recovery of supplier expenses, totaling R$ 120 thousand (outsourced supplies using incorrect tax rates);

Responsible for the tax (ICMS, PIS, COFINS, INSS) parameterization of new products, preparation of management reports for the board presentation, applicability study of new laws pertaining on the business, support to different sectors, management analysis at monthly closing, review and update of tax parameters, annual budget support of the 16 group companies, analysis of new operations and products, tax incentives and exemptions month-to-month comparison of federal taxes against budget justifying differences.

Samsung Institute Development for Informatics in the Amazon - SIDIA – 3rd SectorWork tasks: Accounting update with a team of assistants, review of withholding taxes on national and international services, survey and review of assets, depreciation calculation, analysis and reconciliation of the sheet, coordination of accounting, compliance with external audit, preparation of P&L and DF.Sagemcom Comunications - EletroeletronicWork tasks: Support for SAP Business One system implementation, importing accounting balances (accounting, financial and tax basis) pending incoming/outgoing invoice entries (NFS-e, Danfe, RPS's, slips), provisions (payroll, taxes, contributions, other), write-off of national and international financial securities, accounting for pending information (imports, suffrage tax, securities receivable, terminations, among others), bank reconciliation, accounts receivable and accounts payable, accounting classification, Payroll accounting, calculation and posting of exchange variation and monthly closing, compliance with external audit.