Calfrac Well Services Ltd. 2023 Third Quarter Earnings Release, Conference Call and Webcast

Calfrac Well Services Ltd. (“Calfrac”) (TSX:CFW) intends to release its 2023 third quarter results before the market opens on Wednesday November 8, 2023, and has scheduled a conference call to begin at 10:00 A.M. MT (12:00 P.M. ET) on the same day.

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

https://register.vevent.com/register/BI9b50099938704de9bce508123d789223

The call will also be webcast and can be accessed through the link below. A replay of the webcast call will also be available on Calfrac’s website for at least 90 days.

https://edge.media-server.com/mmc/p/wga26h28

About Calfrac:

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 oilfield services to exploration and production companies designed to increase the production of hydrocarbons from wells with continuing operations focused throughout North America and Argentina. Further information regarding Calfrac Well Services Ltd., including the most recently filed Annual Information Form, can be accessed on Calfrac’s website at www.calfrac.com or under the Company’s public filings found at www.sedar.com.

For further information on this conference call, please contact:

Michael OlinekChief Financial Officer(403) 234-6673

Suite 500, 407 – 8 Avenue S.W.Calgary, Alberta, Canada T2P 1E5Website: www.calfrac.com