Operator
Good morning, and welcome to the California Resources Corporation First Quarter Earnings Conference Call. All participants will be in a listen-only mode. [Operator Instructions] After today s presentation, there will be an opportunity to ask questions. [Operator Instructions]
I would now like to turn the conference over to Joanna Park. Please go ahead.
Joanna Park
Vice President of Investor Relations & Treasurer
Thank you. I m Joanna Park, Vice President of Investor Relations and Treasurer. Welcome to California Resources Corporation first quarter conference call. Participating on today s call is Mac McFarland, President and Chief Executive Officer; Francisco Leon, Executive Vice President and Chief Financial Officer; Shawn Kerns, Executive Vice President of Operations and Engineering; Mike Preston, Senior Executive Vice President, CAO and General Counsel; and Jay Bys, Chief Commercial Officer, as well as several other members of the CRC executive team.
Operator
Good morning and welcome to the Penn Virginia Fourth Quarter and Full Year 2020 Earnings Conference Call. [Operator Instructions]
I would now like to turn the conference over to Clay Jeansonne, Director of Investor Relations. Please go ahead.
Clay Jeansonne
Director of Investor Relations
Thank you and good morning, everyone. We appreciate your participation in today s call. I m Clay Jeansonne, Director of Investor Relations and I m joined this morning by Darrin Henke, Penn Virginia s President and CEO; Rusty Kelley, our Senior Vice President and CFO; Julia Gwaltney, our Senior Vice President, Development.
We will discuss non-GAAP measures on the call. Definitions and reconciliation of these measures to the most comparable GAAP measures are provided in our fourth quarter earnings press release and presentation posted to our website. Prior to getting started, I d like to remind you of the language in the forward-looking statements section of the press release, which w