1. iSupplier Portal Supplier Training Webinar Occidental Petroleum Corporation ■ iSupplier Supplier Training Webinar ■ 2014

2. Welcome to the iSupplier Portal Supplier Training Webinar • Overview • Purchasing Document Types (GBPA/SPO) • Purchasing Document Line Types • Price Breaks • Portal Functionalities • How to access the iSupplier Portal (Webpage/Email Notifications) • How to view and accept purchasing documents (GBPA/SPO) • How to create/submit SPO matched invoices • How to create/submit credit memos • How to view invoices and payments • Support • Supplier Webpage • Supplier Help Desk

3. Overview – Purchasing Document Types • Overview • Purchasing Document Types (GBPA/SPO) • Purchasing Document Line Types • Price Breaks

4. Overview – Purchasing Document Types • Global Blanket Purchase Agreement (GBPA) • Standard Purchase Order (SPO)

5. Global Blanket Purchase Agreement (GBPA) • Used to execute Statement of Commercial Terms of Master Agreements or stand alone contracts • Allow better managing of supplier price books • Oxy can create Standard Purchase Orders (SPO) against the GBPAs to request materials or services. • Supplier can then electronically submit matched to SPO invoices for those materials and services • If enabled, Supplier can also submit supplier charges against valid GBPAsto invoice materials and services requested by Oxy representatives

6. Standard Purchase Agreement (SPO) • Used as a stand alone agreement for one-time purchases of materials or services when the description of the goods/services, pricing, quantities and delivery schedule are known. • Used to order against Global Blanket or Contract Purchasing Agreement. SPO lines may reference to the applicable GBPA or GCPA.

7. Process Overview – Purchasing Document Negotiate Pricing Purchasing Document Created (GCPA/GBPA/SPO) Supplier Receives Notification (Via E-mail and iSupplier Portal) Purchasing Document SPO? Acknowledgement Required Yes No Agreement Active

8. Overview – PO Line Types • Goods – Material item description, UOM/Rate are populated in price book. • Services – Service item description, UOM/Rate are populated in price book. • Amount Based Services – Services items, total amount is known (lump sum), quantity field is used as the “amount field”. UOM is the currency and the rate is $1 • Price on Demand – Unplanned services/material/other charges that are not specifically defined in the supplier’s price book

9. Overview – PO Lines Types (continued) • 3rd Party – Services/Materials provided by a 3rd party(subcontractor). Not specifically defined in the price book • Reimbursable – Expenses to be reimbursed based on an expense report. Not specifically defined in the price book • Sales Tax – Sales tax • Tax Other – Taxes that are not sales tax i.e. well servicing tax • Freight – Transportation costs charged separately from material/services cost

10. Overview – Price Breaks • Price Breaks: Some PO Line items will contain Price Breaks. Price breaks occur whenever the GBPA contains complex pricing for the supplier charges submitted • Price breaks can be a Service, Goods or Price on Demand PO Line type • The price is determined by either the quantity and/or the service date range • Price breaks are indicated by the missing rate in the rate field of the supplier’s pricebook

11. iSupplier Portal Supplier Training Webinar • Functionality: • How to access the iSupplier Portal (Webpage/Email Notifications)

12. How to access the iSupplier Portal (Email notifications/ Webpage) • Supplier can accessthe iSupplier Portal via: • Webpage • Email Notifications

13. How to access the iSupplier Portal via the webpage • Suppliers can access the iSupplier Supplier Webpage by going to www.oxy.com, or • To directly access the iSupplier Portal Login Screen, enter the following link in the address bar: • http://oxysupplier.oxy.com/OA_HTML/AppsLocalLogin.jsp

14. How to access the iSupplier Portal via the webpage (continued)

15. How to access the iSupplier Portal via the webpage (continued)

16. How to access the iSupplier Portal via the email notification. • An email Notification will inform the Supplier that they can review the Purchasing Document or may require that they electronically accept or reject the Purchasing Document within the portal • Action Required • No Action Required

17. How to access the iSupplier Portal via the email notification. • For GBPAs a Review notification is sent the Supplier

18. How to access the iSupplier Portal via the email notification (continued) • For SPOs, suppliers must accept the purchasing document and will receive an email notification to take action

19. iSupplier Portal Supplier Training Webinar • Functionality: • How to view and accept purchasing documents (GBPA/SPO)

20. iSupplier Portal Supplier Training Webinar • Functionality: • How to create/submit SPO matched invoices

21. iSupplier Portal Supplier Training Webinar • Functionality: • How to create/submit credit memos

22. How to Create a Credit Memo • Reasons to submit a credit memo • Overpayment • Billing Errors • Unused Material • Key points – • All required fields must be completed (denoted with *) • Not related to any contract or GBPA • Can be submitted at any time • Once submitted, cannot be modified • Attachments are optional

23. iSupplier Portal Supplier Training Webinar • Funtionality: • How to view invoices and payments

24. How to View Invoices and Payments

25. View Invoices

26. View Payments

27. View Payments Payment Details: PO Number Details:

28. Conclusion • How to Access the iSupplier Portal • How to View and Accept Purchasing Documents • How to Create and Submit SPO Matched Invoices • How to Create and Submit Credit Memos • How to View Invoices and Payments

29. Additional Support • Support • Supplier Webpage • Supplier Help Desk

30. Support • Supplier Webpage – www.oxy.com (Direct link http://isuppliersupport.oxy.com) • iSupplier Portal access • iSupplier Portal User Guides • i.e. How to Submit Supplier Charges • Access to Supplier Help Desk - USA • Able to submit a web-form help ticket (Available 24 hours a day to receive requests) • Email the HelpDesk at AP_USA_SupplierHelpDesk@oxy.com • Frequently Asked Questions (FAQ’s)

31. Supplier User Guides