Mr. Michael Olinek reports

CALFRAC WELL SERVICES LTD. 2023 THIRD QUARTER EARNINGS RELEASE, CONFERENCE CALL AND WEBCAST

Calfrac Well Services Ltd. intends to release its 2023 third quarter results before the market opens on Wednesday, Nov. 8, 2023, and has scheduled a conference call to begin at 10 a.m. MT (12 p.m. ET) on the same day.

To participate in the conference call please register on-line. Once registered, you will receive a dial-in number and a unique PIN, which will allow you to ask questions.

The call will also be webcast. A replay of the webcast call will be available on Calfrac's website for at least 90 days.

About Calfrac Well Services Ltd.

Calfrac's common shares and warrants are publicly traded on the Toronto Stock Exchange under the trading symbols CFW and CFW.WT, respectively.

Calfrac provides specialized oil field services to exploration and production companies designed to increase the production of hydrocarbons from wells with continuing operations focused throughout North America and Argentina.