Transfer Agent Information

Questions about stock-related matters should be directed to Allegheny Technologies' stockholder services and to Computershare (formerly known as BNY Mellon Shareowner Services), the transfer agent for the company's common stock. Visit the transfer agent’s site at www.computershare.com/investor or call them at 1-800-406-4850:

• If you want to transfer the ownership of your stock,
• Learn more about our Investor Services Program or purchasing stock
• Obtain important tax reporting information, or
• Need a form.

Below are links to historical information about the common stock of:
Allegheny Technologies Incorporated
Allegheny Ludlum Corporation
Teledyne, Inc.