1. Worthington Industries WInfoNet Worthington Information Network February 25, 2003

2. Worthington Overview A leader in value-added steel processing and metal fabricated parts since 1955 –3 primary business segments Processed Steel Products Pressure Cylinders Metal Framing –7 joint ventures –$2 billion annual sales Headquartered in Columbus, Ohio, Worthington employs over 8,000 people and operates 64 facilities in 23 states and 10 countries.

3. Locations - Domestic

4. Locations - International

5. Business Segments Processed Steel Products 65% Metal Framing 18% Pressure Cylinders 17%

6. Processed Steel Products Automotive Construction HVAC Furniture & office equipment Hardware Electrical Control Leisure & recreation Appliance Agriculture Lawn & garden Worthington Steel Company is an industry leader serving over 1,200 customers across a broad range of markets:

7. Metal Framing Dietrich Metal Framing is the leading North American metal framing producer serving the building construction market –28 production facilities –National distribution –Untapped growth opportunity in residential market

8. Pressure Cylinders Worthington Cylinders is the leading global producer of pressure cylinders –Most extensive product line LPG Refrigerant Industrial gas Specialty products –7 facilities including 4 international Canada Austria Czech Republic Portugal

9. Web Architecture – Overview

11. Web Architecture - Details Hardware & OS –HP RP2450, L3000; HP-UX 11i Web Server –IBM HTTP Server (IHS) – Apache 1.3.19 Application Server –IBM WebSphere Advanced Server 4.03 Database Server –Oracle Enterprise Server 9.2 Development Tool –IBM WebSphere Studio Application Developer

12. WInfoNet Overview History –Originally called the Material Release System (MRS) –Written in Server Side JavaScript (SSJS) to run on Netscape Enterprise Server (NES) –Functionality, management, and user- capacity hit a wall. –Needed the new architecture installed to address issues –WInfoNet project: re-platform the MRS application on the new architecture

13. WInfoNet Overview The Worthington Information Network (WInfoNet) is a Customer Self-Service Application that our customers access over the Internet to perform the following actions: –View and release available material at Worthington. –Create new order requests. –Review material release requests (i.e., requests for shipment). –View chemical and mechanical properties of material. –Enable Vendor Managed Inventory (VMI) by updating inventory consumed by customer.

14. WInfoNet – Product Summary

15. WInfoNet – Create Shipment

16. WInfoNet – Material Properties

17. WInfoNet – Manage Inventory

18. WInfoNet – Inventory Status

19. WInfoNet Benefits Added functionality, improved application response-times, and added more customers. Software written to industry standards (J2EE) instead of proprietary language Application redesigned and implemented on scalable architecture Developed reusable software components for use in other projects Positions WII for improved B2B connectivity

20. WInfoNet Future Plans Implement end-user authentication through LDAP instead of local database More legacy integration with IBM MQ Series middleware –Currently using FTP to send data from the mainframe to WInfoNet