Q4 2020 Halliburton Company Earnings Conference Call

Jan 19, 2021 at 9:00 AM EST

Please visit the website to listen to the call via live webcast. You may also participate in the
call by dialing (844) 358-9181 within North America or +1 (478) 219-0188 outside of North
America. A passcode is not required. Attendees should log in to the webcast or dial in
approximately 15 minutes prior to the start of the call.

A replay of the conference call will be available on Halliburton’s website until January 26,
2021. Also, a replay may be accessed by telephone at (855) 859-2056 within North America
or +1 (404) 537-3406 outside of North America, using the passcode 2597409.