1. Tax Systems Implementation Project June 1, 2011

2. 2 FOR INTERNAL USE ONLY Purpose  Replace inadequate, unsupported systems  Establish an integrated platform with advanced features: –Global Tax Provision (Including FIN18 & FIN48 functionality) –Integrated Provision / Compliance Modules –Options for Transactional Tax solutions –Options for Foreign compliance  Process Improvement: –Reduce interfaces & data reconciliations –Ability to accommodate different types of data feeds (T/B & non-T/B data) –Fewer manual adjustments –Finance ERP systems (SAP, HFM, and Hyperion Planning) configured to support Tax Implement OneSource Software Solution: Tax Staff Focus On Higher-Value-Added Functions

3. 3 FOR INTERNAL USE ONLY Tax Accounting: Foreign Provision Fin48/UTP E&P Pools Domestic Deferred Domestic Provision Tax Planning Compliance: Dom., Int’l, State VAT Sales & Use Property Transfer Pricing ExciseAudit/Controversy Tax Accounting: Foreign Provision Fin48/UTP E&P Pools Domestic Deferred Domestic Provision Tax Planning Compliance: Dom., Int’l, State VAT Sales & Use Property Transfer Pricing ExciseAudit/Controversy Tax Systems Vision 201120122013 TIS DI Access BNA CorpTax OneSource (Implementation) OneSource (Implementation) Vertex Access TDW Talisman OneSource (Implementation) OneSource (Implementation) CorpTax OneSource ( Capability) OneSource ( Capability)

4. 4 FOR INTERNAL USE ONLY Tax Systems Implementation Project Team Mark Sumlin Project Lead Gary SellaProcess Daniel Garcia Project Manager Kevin Shea Data Management Compliance Randy Miller Randy Phillips Noman Mogul Lyle Maddox Tax Accounting Sara Sykes Darryl Simmons

5. 5 FOR INTERNAL USE ONLY Timeline Implementation Complete 1Q2013 … Team Disbands Domestic Provision ( With data feed form Talisman for Foreign units to create Global view) Foreign Provision U.S. Compliance Process Improvement 201120122013 ImplementParallel Live Implement Parallel Live Implement Parallel Live Ongoing

6. 6 FOR INTERNAL USE ONLY Next Steps  Coordinate with: –Procurement & Legal –IT –Audit –F & A  Acquire Software/Services –Begin Implementation