May 4, 2022 Whiting & Oasis Strategic Merger Of Equals Important Disclosures 2 No Offer or Solicitation Communications in this investor presentation do not constitute an offer to sell or the solicitation of an offer to subscribe for or buy any securities or a solicitation of any vote or approval with respect to the proposed transaction or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registr ...

Oasis Petroleum, Inc. (OAS) Q1 2022 Earnings Conference Call May 5, 2022 11:00 AM ET Company Participants Michael Lou - Chief Financial Officer and Executive Vice President Daniel Brown - Chief Executive Officer Taylor Reid - President and Chief Operating Officer Conference Call Participants Derrick Whitfield - Stifel Financial Corp Jordan Levy - Truist Securities Noel Parks - Tuohy Brothers Operator Good day and welcome to the Oasis Petroleum First Quarter Earnings Results Conference Call. All participants ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Oasis Petroleum Inc. (Exact name of registrant as specified in its charter) Delaware 80-0554627 (State or other juri ...

Whiting Petroleum Corporation (WLL) Q4 2021 Earnings Conference Call February 24, 2022 11:00 AM ET Company Participants Brandon Day - Director of Investor Relations Lynn Peterson - President & Chief Executive Officer James Henderson - Executive Vice President of Finance & Chief Financial Officer Charles Rimer - Executive Vice President of Operations & Chief Operating Officer Jo Ann Stockton - Vice President of Commercial Conference Call Participants Leo Mariani - KeyBanc Capital Markets Neal Dingmann - Trui ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________________ FORM 10-K _______________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | --- | --- | |-------------------------------------------------------------------------------------- ...

Whiting Petroleum Corporation (WLL) Q3 2021 Earnings Conference Call November 4, 2021 11:00 AM ET Company Participants Brandon Day - Investor Relations Manager Lynn Peterson - Chief Executive Officer Jimmy Henderson - Chief Financial Officer Chip Rimer - Chief Operating Officer Conference Call Participants William Howell - Stifel Bertrand Donnes - Truist Operator Good morning. My name is Andrea, and I will be your conference facilitator today. Welcome to Whiting Petroleum's Third Quarter 2021 Conference Cal ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Oasis Petroleum Inc. (Exact name of registrant as specified in its charter) Delaware 80-0554627 (State or other ...

Whiting Petroleum Corp (WLL) Q2 2021 Earnings Conference Call August 5, 2021 11:00 AM ET Company Participants Brandon Day - IR Manager Lynn Peterson - President, CEO & Director Charles Rimer - EVP, Operations & COO Conference Call Participants David Deckelbaum - Cowen and Company Christopher Dendrinos - RBC Capital Markets Operator Good morning. My name is Tom, and I will be your conference facilitator today. Welcome to Whiting Petroleum's Second Quarter 2021 Conference Call. The call will be limited to 45 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | |---------------------------------------------------------------------------------------------| | | | For the transition period from to | | Commission file number: 1-34776 | | ...

| --- | --- | --- | |-----------------------|-------------|---------------------------------------------------------| | | | | | | | | | | | Building a Stronger, Sustainable Oasis: | | | | Transformational Actions to Enhance Shareholder Value | | | August 2021 | | | A New Tomorrow, Today | | A New Tomorrow, Today | Forward-Looking / Cautionary Statements Forward-Looking Statements This presentation, including the oral statements made in connection herewith, contains forward-looking statements within the mean ...