WLL / Whiting Petroleum Corp (New) - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Whiting Petroleum Corp (New)
US ˙ NYSE ˙ US9663874090
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 52990028CHK9KUB1B293
CIK 1255474
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Whiting Petroleum Corp (New)
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
July 11, 2022 SC 13G/A

WLL / Whiting Petroleum Corp / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Whiting Petroleum Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 966387508 (CUSIP Number) June 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

July 11, 2022 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-31899 Whiting Holdings LLC (Exact name of registrant as specified in its

July 8, 2022 POSASR

As filed with the Securities and Exchange Commission on July 8, 2022.

POSASR 1 d359357dposasr.htm POSASR As filed with the Securities and Exchange Commission on July 8, 2022. Registration No. 333-255663 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT NO. 333-255663 UNDER THE SECURITIES ACT OF 1933 Whiting Holdings LLC (as successor in interest to Whiting Petroleum Corporation)

July 8, 2022 S-8 POS

As filed with the Securities and Exchange Commission on July 8, 2022

As filed with the Securities and Exchange Commission on July 8, 2022 Registration No.

July 7, 2022 EX-99.2

Welcome to Chord Energy Chord (noun) /kord/ A straight line joining two points on a curve Musical notes played in unison to produce harmony ̂ By bringing together Whiting and Oasis in a merger of equals, we joined two excellent oil and gas operators

Stronger Together Positioned for Value Creation July 1, 2022 Exhibit 99.2 Welcome to Chord Energy Chord (noun) /kord/ A straight line joining two points on a curve Musical notes played in unison to produce harmony ? By bringing together Whiting and Oasis in a merger of equals, we joined two excellent oil and gas operators to strike a new chord and created a new harmony in the industry. Chord Energ

July 7, 2022 EX-3.1

Certificate of Formation of Whiting Holdings LLC (f/k/a New Ohm LLC), dated February 18, 2022.

Exhibit 3.1 CERTIFICATE OF FORMATION OF NEW OHM LLC This Certificate of Formation, dated February 18, 2022, has been duly executed and is filed pursuant to Sections 18-201 and 18-204 of the Delaware Limited Liability Company Act, as amended (the ?Act?) to form a limited liability company (the ?Company?) under the Act. 1. Name. The name of the Company is: ?New Ohm LLC?. 2. Registered Office; Regist

July 7, 2022 EX-99.1

Whiting and Oasis Complete Combination, Establishing Chord Energy

Exhibit 99.1 Whiting and Oasis Complete Combination, Establishing Chord Energy Chord Energy Is a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position and Sustainable Free Cash Flow HOUSTON, July 1, 2022 /PRNewswire/ ? Chord Energy Corporation (NASDAQ: CHRD) (?Chord? or the ?Company?) today announced the successful completion of the combination of Whiting Petroleu

July 7, 2022 EX-3.2

Certificate of Amendment to Certificate of Formation of Whiting Holdings LLC (f/k/a New Ohm LLC), dated July 5, 2022.

Exhibit 3.2 CERTIFICATE OF AMENDMENT TO CERTIFICATE OF FORMATION OF NEW OHM LLC This Certificate of Amendment to the Certificate of Formation, dated July 5, 2022, has been duly executed and is filed pursuant to Section 18-202 of the Delaware Limited Liability Company Act (the ?Act?) to amend the Certificate of Formation filed on February 18, 2022 (the ?Certificate of Formation?) of New Ohm LLC, a

July 7, 2022 8-K

Regulation FD Disclosure, Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Results of Operations and Financial Condition, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2022 WHITING HOLDINGS LLC (Exact name of registrant as specified in its charter) Delaware 001-31899 88-3102137 (State or other jurisdiction of incorporation) (Commission File

July 7, 2022 EX-3.3

Limited Liability Company Agreement of Whiting Holdings LLC (f/k/a New Ohm LLC), dated February 18, 2022.

Exhibit 3.3 LIMITED LIABILITY COMPANY AGREEMENT OF NEW OHM LLC A Delaware Limited Liability Company This Limited Liability Company Agreement of New Ohm LLC (this ?Agreement?), dated as of March 6, 2022, is adopted, executed and agreed to by the Sole Member (as defined below). WHEREAS, the Company was formed as a limited liability company on February 18, 2022 by the filing of a Certificate of Forma

July 7, 2022 EX-10.3

Warrant Assignment and Assumption Agreement, dated as of July 1, 2022, by and among Oasis Petroleum Inc., Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A.

Exhibit 10.3 WARRANT ASSIGNMENT AND ASSUMPTION AGREEMENT THIS WARRANT ASSIGNMENT AND ASSUMPTION AGREEMENT (the ?Agreement?) is entered into and effective as of July 1, 2022, by and among Oasis Petroleum Inc., a Delaware corporation (?Oasis?), Whiting Petroleum Corporation, a Delaware corporation (?Whiting?), Computershare Inc., a Delaware corporation (?Computershare?) and its affiliate Computersha

July 1, 2022 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on July 12, 2022, pursuant to the provisions of Rule 12d2-2 (a).

June 28, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 28, 2022 WHITING PETROLEUM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 28, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

June 28, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2022 OASIS PETROLEUM INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

June 28, 2022 8-K

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 28, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

June 16, 2022 EX-99.1

Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting

Exhibit 99.1 Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting HOUSTON, June 16, 2022 /PRNewswire/ ? Oasis Petroleum Inc. (NASDAQ: OAS) (?Oasis?) announced today that its Board of Directors has, subject to certain conditions, declared a special dividend of $15.00 per share of Oasis common stock. The special dividend is being declared in c

June 16, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 Oasis Petroleum Inc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 Oasis Petroleum Inc. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

June 14, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 14, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

June 14, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 14, 2022 WHITING PETROLEUM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 14, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

May 24, 2022 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

May 5, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 The following presentation was published on Oasis Petroleum Inc.?s website the morning of May 5, 2022, for use in connection with its First Quarter 2022 earnings

May 4, 2022 EX-99.1

Whiting Petroleum Reports First Quarter 2022 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day May 4, 2022 Title: Investor Relations Director For immediate release Phone: 303-390-4969 ? Email: Brandond@whiting.

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): May 4, 2022 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or other juri

May 4, 2022 EX-10.1

First Amendment to Executive Employment and Severance Agreement, dated March 3, 2022, by and between Whiting Petroleum Corporation and M. Scott Regan.

Exhibit 10.1 ? FIRST AMENDMENT TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This First Amendment to Executive Employment and Severance Agreement (?First Amendment?) is made and entered into effective as of the 3rd day of March, 2022 (the ?Effective Date?), by and between M. Scott Regan (?Executive?) and Whiting Petroleum Corporation (?Whiting?). WHEREAS, Whiting and Executive entered into that

May 4, 2022 EX-99.1

Whiting Petroleum Reports First Quarter 2022 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day May 4, 2022 Title: Investor Relations Director For immediate release Phone: 303-390-4969 ? Email: Brandond@whiting.

May 4, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): May 4, 2022 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or other juri

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? 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: 001-31899 ? ? ? ? ? WHITIN

April 21, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Letter sent via email to Whiting Employees Keeping with our commitment to frequent and open communication, attached is

April 21, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Letter sent via Email to Oasis Employees Joint Integration Update Letter Whiting and Oasis Teams, We would like to begin by thanking you for your unwavering dedi

April 15, 2022 EX-10.2

Form of First Addendum to Employment Agreements for Certain Executives of the Company.

Exhibit 10.2 FIRST ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT THIS FIRST ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT (this ?First Addendum?) is entered into on , 2022 by and between Whiting Petroleum Corporation, a Delaware corporation (the ?Company?), and (?Executive?). Capitalized terms used in this First Addendum but not otherwise defined in this First Addendum shall

April 15, 2022 EX-10.1

Form of First Addendum to Executive Employment and Severance Agreement by and between Whiting Petroleum Corporation and Charles J. Rimer.

Exhibit 10.1 ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT THIS FIRST ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT (this ?First Addendum?) is entered into on , 2022, by and between Whiting Petroleum Corporation, a Delaware corporation (the ?Company?), and Charles J. Rimer (?Executive?). Capitalized terms used in this First Addendum but not otherwise defined in this First Add

April 15, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2022 WHITING PETROLEUM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

April 15, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

April 14, 2022 10-K/A

combined UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A AMENDMENT NO. 2

Table of Contents combined ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 31, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Email to Whiting?s Employees Whiting and Oasis Teams, Consistent with our commitment to provide regular and transparent

March 31, 2022 425

OASIS COMPENSATION BENEFITS COMMUNICATION – PART 2

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Email to Oasis Employees Whiting and Oasis Teams, Consistent with our commitment to provide regular and transparent communications, we are writing with additiona

March 17, 2022 425

OASIS COMPENSATION BENEFITS COMMUNICATION

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 The following is an email sent to all employees of Oasis Petroleum Inc. regarding the integration plan with Whiting Petroleum Corporation. Ladies and Gentlemen:

March 17, 2022 425

WHITING COMPENSATION BENEFITS COMMUNICATION

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) EMAIL TO WHITING EMPLOYEES As we shared last week, we are committed to frequent and open communication as we bring our

March 15, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Dear Valued Oasis Supplier, We are pleased to share we have announced an agreement to combine with Whiting Petroleum in a merger of equals transaction. Our combi

March 10, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Whiting Vendor Letter Dear Valued Whiting Vendor, We are very pleased and excited to have announced an agreement to com

March 10, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Whiting Customer Letter Dear Valued Whiting Customer, We are very pleased and excited to have announced an agreement to

March 8, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 OASIS PETROLEUM INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

March 8, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation or organ

March 8, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Dear [INSERT STANDARD GREETING] We just announced Whiting will be combining with Oasis in a merger of equals transactio

March 8, 2022 EX-2.1

Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis Petroleum Inc., Ohm Merger Sub Inc., New Ohm LLC and Whiting Petroleum Corporation.

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER among OASIS PETROLEUM INC., OHM MERGER SUB INC., NEW OHM LLC, and WHITING PETROLEUM CORPORATION Dated as of March 7, 2022 TABLE OF CONTENTS Page Article I CERTAIN DEFINITIONS 2 Section 1.1 Certain Definitions 2 Section 1.2 Terms Defined Elsewhere 2 Article II THE MERGERS 5 Section 2.1 The Mergers 5 Section 2.2 Closing 5 Section 2.3 Effect

March 8, 2022 EX-2.1

Agreement and Plan of Merger, dated as of March 7, 2022 by and among Oasis Petroleum Inc., Ohm Merger Sub Inc., New Ohm LLC and Whiting Petroleum Corporation.

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER among OASIS PETROLEUM INC., OHM MERGER SUB INC., NEW OHM LLC, and WHITING PETROLEUM CORPORATION Dated as of March 7, 2022 TABLE OF CONTENTS Page ARTICLE I CERTAIN DEFINITIONS 2 Section 1.1 Certain Definitions 2 Section 1.2 Terms Defined Elsewhere 2 ARTICLE II THE MERGERS 5 Section 2.1 The Mergers 5 Section 2.2 Closing 5 Section 2.3 Effect

March 8, 2022 EX-10.1

Letter Agreement, dated as of March 7, 2022, between Oasis Petroleum Inc. and Lynn A. Peterson.

Exhibit 10.1 March 7, 2022 Lynn A. Peterson Re: Merger Transition Dear Lynn: This letter agreement (the ?Letter Agreement?) entered into, as of the date set forth above, by and between Oasis Petroleum Inc., a Delaware corporation (the ?Company?) and Lynn A. Peterson (?Executive? or ?you?) (and collectively, the ?Parties?) confirms the Parties? understanding regarding your employment with the Compa

March 8, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation or organ

March 7, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) The following is the transcript of a conference call conducted by Whiting Petroleum Corporation (?Whiting?) and Oasis P

March 7, 2022 CORRESP

1700 Lincoln, Suite 4700, Denver, CO 80203

? ? 390.4293 ? ? 1700 Lincoln, Suite 4700, Denver, CO 80203 Phone: 303.837.1661 | FAX: 303.390.4293 ? March 7, 2022 ? VIA EDGAR ? Craig Arakawa, Branch Chief U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549-3561 ? Re: Whiting Petroleum Corporation Form 10-K for the Fiscal Year Ended December 31, 2021

March 7, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Oasis Employee Letter Whiting and Oasis Teams, Today is an important day for our two companies as we announced an agreement to combine in a merger of equals tran

March 7, 2022 EX-99.2

February 2022 Insert Title March 7, 2022 Whiting & Oasis Strategic Merger Of Equals Confidential Draft - 3/6

Exhibit 99.2 February 2022 Insert Title March 7, 2022 Whiting & Oasis Strategic Merger Of Equals Confidential Draft - 3/6 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 transac

March 7, 2022 425

Filed by Whiting Petroleum Corporation

LEGEND Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Joint Employee Letter Whiting and Oasis Teams, Today is an important day for our two companies as we announced a

March 7, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Oasis Employee FAQ 1. Why are Oasis and Whiting combining? What are the benefits of the combination? ? Oasis and Whiting have made tremendous strides over the la

March 7, 2022 425

Filed by Whiting Petroleum Corporation

Filed by Whiting Petroleum Corporation (Commission File No. 001-31899) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation (Commission File No. 001-31899) Whiting Employee FAQ 1. Why are Whiting and Oasis combining? What are the benefits of the combination? ? Whiting and Oa

March 7, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation or organ

March 7, 2022 EX-99.1

Whiting and Oasis to Combine in $6.0 Billion Merger of Equals Transaction Creating a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position Totaling 972K Net Acres and Combined 4Q21 Production of 167.8 Thousand Boepd

Exhibit 99.1 Whiting and Oasis to Combine in $6.0 Billion Merger of Equals Transaction Creating a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position Totaling 972K Net Acres and Combined 4Q21 Production of 167.8 Thousand Boepd Transaction Accretive to Key Per-share Metrics While Maintaining a Strong, Relatively Unlevered Pro Forma Balance Sheet at Close Combined

March 7, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2022 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation or organ

March 7, 2022 425

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 The following is the transcript of a conference call conducted by Oasis Petroleum Inc. (?Oasis?) and Whiting Petroleum Corporation (?Whiting?) at 8:30 a.m. ET on

March 7, 2022 EX-99.1

Whiting and Oasis to Combine in $6.0 Billion Merger of Equals Transaction Creating a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position Totaling 972K Net Acres and Combined 4Q21 Production of 167.8 Thousand Boepd

Exhibit 99.1 Whiting and Oasis to Combine in $6.0 Billion Merger of Equals Transaction Creating a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position Totaling 972K Net Acres and Combined 4Q21 Production of 167.8 Thousand Boepd Transaction Accretive to Key Per-share Metrics While Maintaining a Strong, Relatively Unlevered Pro Forma Balance Sheet at Close Combined

March 7, 2022 EX-99.2

February 2022 Insert Title March 7, 2022 Whiting & Oasis Strategic Merger Of Equals Confidential Draft - 3/6

Exhibit 99.2 February 2022 Insert Title March 7, 2022 Whiting & Oasis Strategic Merger Of Equals Confidential Draft - 3/6 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 transac

March 4, 2022 10-K/A

combined UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A AMENDMENT NO. 1

combined ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A AMENDMENT NO. 1 ? 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 For the transition period from to Commission file number: 001-31

February 23, 2022 EX-21

Significant Subsidiaries of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 21 to Whiting Petroleum Corporation’s Annual Report on Form 10-K filed on February 23, 2022 (File No. 001-31899)].

Exhibit 21 ? SIGNIFICANT SUBSIDIARIES OF WHITING PETROLEUM CORPORATION ? ? ? ? ? ? ? ? Jurisdiction of Incorporation or ? ? Name Organization Percent Ownership Whiting Oil and Gas Corporation Delaware ? 100% ?

February 23, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): February 23, 2022 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or othe

February 23, 2022 EX-99

Whiting Petroleum Reports Fourth Quarter and Full Year 2021 Results and Oil and Gas Reserves

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day February 23, 2022 Title: Investor Relations Director For immediate release Phone: 303-390-4969 ? Email: Brandond@whiting.

February 23, 2022 10-K

combined UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

combined ? 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 For the transition period from to Commission file number: 001-31899 ? WHITING PETR

February 23, 2022 EX-99.1

Report of Netherland, Sewell & Associates, Inc., Independent Petroleum Engineers relating to Total Proved Reserves, dated January 28, 2022 [Incorporated by reference to Exhibit 99.1 to Whiting Petroleum Corporation’s Annual Report on Form 10-K filed on February 23, 2022 (File No. 001-31899)].

Exhibit 99.1 ? ? January 28, 2022 ? Mr. Harrison Godwin Whiting Petroleum Corporation 1700 Lincoln Street, Suite 4700 Denver, Colorado 80203 ? Dear Mr. Godwin: ? In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2021, to the Whiting Petroleum Corporation (Whiting) interest in certain oil and gas properties located in the United States. We

February 23, 2022 EX-4.1

Description of Securities [Incorporated by reference to Exhibit 4.1 to Whiting Petroleum Corporation’s Annual Report on Form 10-K filed on February 23, 2022 (File No. 001-31899)].

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 ? As of February 23, 2022, Whiting Petroleum Company (?we,? ?our,? ?us? and ?Whiting?) had one security registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): common stock, $0.001 par value per share. Our common stock is liste

February 14, 2022 SC 13G/A

WLL / Whiting Petroleum Corp / SIR Capital Management, L.P. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Whiting Petroleum Corporation (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 966387508 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

February 10, 2022 SC 13G/A

WLL / Whiting Petroleum Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Whiting Petroleum Corp. Title of Class of Securities: Common Stock CUSIP Number: 966387508 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is file

February 4, 2022 SC 13G/A

WLL / Whiting Petroleum Corp / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Whiting Petroleum Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 966387508 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

December 10, 2021 CORRESP

As Previously Reported

? ? 390.4293 ? ? 1700 Lincoln, Suite 4700, Denver, CO 80203 Phone: 303.837.1661 | FAX: 303.390.4293 ? December 10, 2021 ? VIA EDGAR ? Craig Arakawa, Branch Chief U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549-3561 ? Re: Whiting Petroleum Corporation Form 10-K for the Fiscal Year Ended December 31,

December 9, 2021 SC 13G

WLL / Whiting Petroleum Corp / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Whiting Petroleum Corp. Title of Class of Securities: Common Stock CUSIP Number: 966387508 Date of Event Which Requires Filing of this Statement: November 30, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b) ☐

November 9, 2021 SC 13G/A

WLL / Whiting Petroleum Corp / JPMORGAN CHASE & CO - FILING WHITING PETROLEUM CORPORATION Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* WHITING PETROLEUM CORPORATION (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 966387508 (CUSIP Number) October 29, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

November 3, 2021 EX-10.2

Second Amendment and Waiver to Credit Agreement, dated as of September 15, 2021, among Whiting Oil and Gas Corporation as Borrower, its Parent Guarantor Whiting Petroleum Corporation, JPMorgan Chase Bank, N.A. as Administrative Agent and the lenders signatory thereto.

Exhibit 10.2 ? Execution Version ? Second Amendment and Waiver to Credit Agreement ? This Second Amendment and Waiver to Credit Agreement (this ?Second Amendment?) dated as of September 15, 2021, is among Whiting Oil and Gas Corporation, a Delaware corporation (the ?Borrower?); Whiting Petroleum Corporation, a Delaware corporation (the ?Parent Guarantor?); JPMorgan Chase Bank, N.A., as administrat

November 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): November 3, 2021 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or other

November 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? 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: 001-31899 ? ? ? ? ? WH

November 3, 2021 EX-99

Whiting Petroleum Reports Third Quarter 2021 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day November 3, 2021 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 ? Email: Brandond@whiting.

October 20, 2021 CORRESP

December 31,

? ? 390.4293 ? ? 1700 Lincoln, Suite 4700, Denver, CO 80203 Phone: 303.837.1661 | FAX: 303.390.4293 ? October 20, 2021 ? VIA EDGAR AND OVERNIGHT COURIER ? Craig Arakawa, Branch Chief U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549-3561 ? Re: Whiting Petroleum Corporation Form 10-K for the Fiscal Yea

August 17, 2021 CORRESP

Total

? ? 390.4293 ? ? 1700 Lincoln, Suite 4700, Denver, CO 80203 Phone: 303.837.1661 | FAX: 303.390.4293 ? August 17, 2021 ? VIA EDGAR AND OVERNIGHT COURIER ? Craig Arakawa, Branch Chief U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549-3561 ? Re: Whiting Petroleum Corporation Form 10-K for the Fiscal Year

August 4, 2021 EX-99

Whiting Petroleum Reports Second Quarter 2021 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day August 4, 2021 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 ? Email: Brandond@whiting.

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? 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: 001-31899 ? ? ? ? ? WHITING

August 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): August 4, 2021 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or other j

August 4, 2021 EX-10.1

First Amendment to Credit Agreement, dated as of June 7, 2021, among Whiting Oil and Gas Corporation as Borrower, its Parent Guarantor Whiting Petroleum Corporation, JPMorgan Chase Bank, N.A. as Administrative Agent and the lenders signatory thereto.

Exhibit 10.1 ? ?? Execution Version ? First Amendment to Credit Agreement ? This First Amendment to Credit Agreement (this ?First Amendment?) dated as of June 7, 2021, is among Whiting Oil and Gas Corporation, a Delaware corporation (the ?Borrower?); Whiting Petroleum Corporation, a Delaware corporation (the ?Parent Guarantor?); JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (i

May 12, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2021 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commiss

May 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): May 5, 2021 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or other juri

May 5, 2021 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 03-31-2021

? ? 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, 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: 001-31899 ? ? ? ? ? WHITIN

May 5, 2021 EX-99

Whiting Petroleum Reports First Quarter 2021 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day May 5, 2021 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 ? Email: Brandond@whiting.

April 30, 2021 S-3ASR

- S-3ASR

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on April 30, 2021 Registration No.

April 30, 2021 EX-4.1

Form of Indenture.

Exhibit 4.1 Whiting Petroleum Corporation INDENTURE Dated as of [ ] [ ] Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 2 Section 1.1 Definitions 2 Section 1.2 Other Definitions 5 Section 1.3 Incorporation by Reference of Trust Indenture Act 5 Section 1.4 Rules of Construction 5 ARTICLE II THE SECURITIES 6 Section 2.1 Issuable in Series 6 Section 2.2 Establishme

March 29, 2021 DEF 14A

The information in our Definitive Proxy Statement on Schedule 14A filed on March 29, 2021

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION? Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.???) Filed by the Registrant?? Filed by a Party other than the Registrant?? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of

March 29, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

February 25, 2021 EX-10.20

Form of Executive Employment Agreement and Severance Agreement for executive officers of Whiting Petroleum Corporation other than Lynn A. Peterson, James P. Henderson and Charles J. Rimer [Incorporated by reference to Exhibit 10.20 to Whiting Petroleum Corporation’s Annual Report on Form 10-K filed on February 24, 2021 (File No. 001-31899)].

Exhibit 10.20 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this ?Agreement?) is between [Name] (?Executive?) and Whiting Petroleum Corporation (?Whiting? and, together with its subsidiaries, the ?Company?) and is effective as of [Date] (the ?Effective Date?). WHEREAS, the Company desires to [continue to]1 employ Executive in a key employee capacit

February 25, 2021 10-K

Annual Report - WHITING PETROLEUM CORP FORM 10-K, 12-31-2020

? ? 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, 2020 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: 001-31899 ? WHITING PETROLEUM C

February 25, 2021 EX-99.1

Report of Netherland, Sewell & Associates, Inc., Independent Petroleum Engineers relating to Total Proved Reserves, dated January 26, 2021.

Exhibit 99.1 ? ? January 26, 2021 ? ? Mr. Harrison Godwin Whiting Petroleum Corporation 1700 Lincoln Street, Suite 4700 Denver, Colorado 80203 ? Dear Mr. Godwin: ? In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2020, to the Whiting Petroleum Corporation (?Whiting?) interest in certain oil and gas properties located in the United States

February 25, 2021 EX-21

Significant Subsidiaries of Whiting Petroleum Corporation.

Exhibit 21 ? SIGNIFICANT SUBSIDIARIES OF WHITING PETROLEUM CORPORATION ? ? ? ? ? ? ? ? Jurisdiction of Incorporation or ? ? Name Organization Percent Ownership Whiting Oil and Gas Corporation Delaware ? 100% ?

February 25, 2021 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 ? As of February 24, 2021, Whiting Petroleum Company (?we,? ?our,? ?us? and ?Whiting?) had one security registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): common stock, $0.001 par value per share. Our common stock is liste

February 24, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): February 24, 2021 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or othe

February 24, 2021 EX-99

Whiting Petroleum Reports Fourth Quarter and Full Year 2020 Financial and Operating Results

Exhibit 99 ? ? 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 ? News Release ? ? ? Company Contact: Brandon Day February 24, 2021 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 ? Email: Brandond@whiting.

February 16, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ? ? ? ? Date of Report ? ? ? (Date of earliest ? ? ? event reported): February 16, 2021 ? ? WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 001-31899 20-0098515 (State or othe

February 16, 2021 EX-99

Whiting Petroleum Provides Preliminary Fourth Quarter 2020 Results and Oil and Gas Reserves, Discloses Executive Compensation Framework and Schedules Fourth Quarter 2020 Conference Call

EX-99 2 wll-20210216xex99.htm PRESS RELEASE OF WHITING PETROLEUM CORPORATION 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 News Release Company Contact: Brandon Day February 16, 2021 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 Email: [email protected] Whiting Petroleum Provides Preliminary Fourth Quarter 2020 Results

February 10, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 Whiting Petroleum Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 Whiting Petroleum Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 966387508 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rul

February 4, 2021 EX-10.4

Form of Performance Stock Unit Award Agreement pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed February 4, 2021 (File No. 001-31899)].

Exhibit 10.4 WHITING PETROLEUM CORPORATION PERFORMANCE STOCK UNIT AWARD AGREEMENT (Officer Form) THIS PERFORMANCE STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●] by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affiliates whose si

February 4, 2021 EX-10.6

Form of Restricted Stock Unit Award Agreement (Officer Time Vesting – grants on or after February 2, 2021) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.6 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed February 4, 2021 (File No. 001-31899)].

Exhibit 10.6 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Officer Time Vesting Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affilia

February 4, 2021 EX-10.1

Executive Employment and Severance Agreement, dated as of February 2, 2021, by and between Whiting Petroleum Corporation and Lynn A. Peterson.

Exhibit 10.1 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Lynn A. Peterson (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of February 2, 2021 (the “Effective Date”). WHEREAS, the Company and the Executive are parties to a previous Emplo

February 4, 2021 EX-10.2

Executive Employment and Severance Agreement, dated as of February 2, 2021, by and between Whiting Petroleum Corporation and James P. Henderson.

Exhibit 10.2 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between James P. Henderson (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of February 2, 2021 (the “Effective Date”). WHEREAS, the Company and the Executive are parties to a previous Emp

February 4, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Shareholder Director Nominations - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2021 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Com

February 4, 2021 EX-10.5

Form of Restricted Stock Award Agreement (Extended Vesting) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.5 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed February 4, 2021 (File No. 001-31899)].

Exhibit 10.5 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Extended Vesting Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affiliates

February 4, 2021 EX-10.3

Executive Employment and Severance Agreement, dated as of February 2, 2021, by and between Whiting Petroleum Corporation and Charles J. Rimer.

Exhibit 10.3 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Charles J. Rimer (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of February 2, 2021 (the “Effective Date”). WHEREAS, the Company and the Executive are parties to a previous Emplo

February 4, 2021 SC 13G

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Whiting Petroleum Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 966387508 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

January 19, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* WHITING PETROLEUM CORPORATION (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securiti

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* WHITING PETROLEUM CORPORATION (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 966387508 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

November 12, 2020 SC 13G

966387508 / Whiting Petroleum Corp. / SIR Capital Management, L.P. - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Whiting Petroleum Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 966387508 (CUSIP Number) November 3, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate th

November 6, 2020 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 9-30-2020

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, 2020 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: 001-31899 WHITING PETROLEU

November 6, 2020 EX-10.14

Form of Restricted Stock Unit Award Agreement (Officer Stock Price Performance Vesting) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.14 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

Exhibit 10.14 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Officer Stock Price Performance Vesting Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company o

November 6, 2020 EX-10.15

Form of Restricted Stock Unit Award Agreement (Non-Employee Director) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.15 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

Exhibit 10.15 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Non-Employee Director Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the non-employee director of the Company whose

November 6, 2020 EX-10.13

Form of Restricted Stock Unit Award Agreement (Officer Time Vesting - grants prior to February 2, 2021) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.13 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

Exhibit 10.13 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Officer Time Vesting Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affili

November 6, 2020 EX-10.10

Executive Employment Agreement and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and Charles J. Rimer [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

Exhibit 10.10 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Charles Rimer (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of September 1, 2020 (the “Effective Date”). WHEREAS, the Company and the Executive are parties to an employment and

November 6, 2020 EX-10.12

Summary of Non-Employee Director Compensation for Whiting Petroleum Corporation.

EX-10.12 3 wll-20200930ex1012e9ca9.htm SUMMARY OF NON-EMPLOYEE DIRECTOR COMPENSATION Exhibit 10.11 Director Compensation Effective September 1, 2020, non-employee director compensation is paid in cash in quarterly installments in advance as follows: Committee Service Nominating Board and Service Chairman Audit Compensation Governance Sustainability Annual retainer (1) $ 80,000 $ 100,000 $ — $ — $

November 5, 2020 EX-99

Whiting Petroleum Reports Third Quarter Financial and Operating Results

Exhibit 99 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 News Release Company Contact: Brandon Day November 5, 2020 Title: Investor Relations Manager For immediate release Phone: 303-837-1661 Email: Brandond@whiting.

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - WHITING PETROLEUM FORM 8-K, DATED NOVEMBER 5, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Com

September 18, 2020 EX-24

Powers of Attorney.

EX-24 Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, That I Kevin S.

September 18, 2020 S-8

- S-8

S-8 As filed with the Securities and Exchange Commission on September 18, 2020 Registration No.

September 11, 2020 EX-10

Amendment to Employment Agreement and General Release, by and between Whiting Petroleum Corporation and Bruce R. DeBoer, dated September 10, 2020 [Incorporated by reference to Exhibit 10 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 11, 2020 (File No. 001-31899)].

EX-10 Exhibit 10 AMENDMENT TO EMPLOYMENT AGREEMENT AND GENERAL RELEASE This Amendment to the Employment Agreement and General Release (“Agreement”) is between Whiting Petroleum Corporation, which in this Agreement is referred to as “Whiting Petroleum” and Bruce R.

September 11, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 10, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (C

September 2, 2020 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on September 14, 2020, pursuant to the provisions of Rule 12d2-2 (a).

September 2, 2020 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on September 14, 2020, pursuant to the provisions of Rule 12d2-2 (a).

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 EX-99.2

Press Release, dated September 1, 2020.

EX-99.2 Exhibit 99.2 1700 Lincoln Street, Suite 4700 Denver, CO 80203 4547 Phone: 303 837 1661 FAX: 303 861 4023 News Release Company Contact: Brandon Day September 1, 2020 Title: Investor Relations Manager For immediate release Phone: 303.390.4969 Email: [email protected] Whiting Petroleum Completes Reorganization Approximate $3.0 Billion Reduction in Funded Debt; Trading of New Common Stock t

September 1, 2020 EX-10.7

Amendment to Employment Agreement, by and between Whiting Petroleum Corporation and Correne S. Loeffler, dated September 1, 2020 [Incorporated by reference to Exhibit 10.7 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-10.7 Exhibit 10.7 AMENDMENT TO EMPLOYMENT AGREEMENT This Amendment to the Employment Agreement (“Agreement”) is between Whiting Petroleum Corporation, which in this Agreement is referred to as “Whiting Petroleum” and Correne S. Loeffler, who is referred to as “Loeffler”, and amends the Executive Employment and Severance Agreement effective August 1, 2019 (“Employment Agreement”) in all respects

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 POS AM

- POS AM

POS AM As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 EX-4

Specimen Common Stock Certificate [Incorporated by reference to Exhibit 4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-4 Exhibit 4 WHITING PETROLEUM CORPORATION The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT MIN ACT - .

September 1, 2020 EX-3.2

Second Amended and Restated By-laws of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 3.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-3.2 Exhibit 3.2 SECOND AMENDED AND RESTATED BY-LAWS OF WHITING PETROLEUM CORPORATION ARTICLE I OFFICES Section 1. Registered Office. The registered office of Whiting Petroleum Corporation (the “Corporation”) in the State of Delaware shall be located at such place as the board of directors of the Corporation (the “Board of Directors”) may from time to time determine or as the business of the Cor

September 1, 2020 EX-10.5

Executive Employment and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and Lynn A. Peterson [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

EX-10.5 Exhibit 10.5 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Lynn Peterson (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of September 1, 2020 (the “Effective Date”). WHEREAS, the Company desires to employ Executive in a key employ

September 1, 2020 EX-10.2

Series A Warrant Agreement dated as of September 1, 2020, by and among Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A. [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-10.2 Exhibit 10.2 Execution Version WARRANT AGREEMENT between WHITING PETROLEUM CORPORATION, COMPUTERSHARE INC. and COMPUTERSHARE TRUST COMPANY, N.A., as Warrant Agent Dated as of September 1, 2020 Series A Warrants to Purchase Common Stock TABLE OF CONTENTS Page 1. Definitions 1 2. Warrant Certificates 5 2.1 Original Issuance of Warrants 5 2.2 Form of Warrant Certificates 6 2.3 Execution and D

September 1, 2020 EX-99.3

Emergence Presentation, dated September 2020.

EX-99.3 Whiting Petroleum Emergence Presentation September 2020 Exhibit 99.3 This presentation contains statements that Whiting believes to be “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than historical facts, including, without limitation, statements regarding our future f

September 1, 2020 EX-3.1

Amended and Restated Certificate of Incorporation of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 3.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF WHITING PETROLEUM CORPORATION Pursuant to Sections 242, 245 and 303 of the Delaware General Corporation Law Whiting Petroleum Corporation, (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: (1) The name of the Corpor

September 1, 2020 8-K12B

- 8-K12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 1, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Co

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 EX-10.8

Employment Agreement, by and between Whiting Petroleum Corporation and Charles J. Rimer, dated September 1, 2020.

EX-10.8 Exhibit 10.8 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Charles Rimer (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of September 1, 2020 (the “Effective Date”). WHEREAS, the Company and the Executive are parties to an employm

September 1, 2020 POSASR

- POSASR

POSASR As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

September 1, 2020 EX-10.1

Credit Agreement dated as of September 1, 2020, by and among Whiting Petroleum Corporation, as parent guarantor, Whiting Oil and Gas Corporation, as borrower, JPMorgan Chase Bank, N.A., as administrative agent, and the lenders and other parties party thereto [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-10.1 Exhibit 10.1 Execution Version CREDIT AGREEMENT dated as of September 1, 2020, among WHITING PETROLEUM CORPORATION, as Parent Guarantor, WHITING OIL AND GAS CORPORATION, as Borrower, JPMORGAN CHASE BANK, N.A., as Administrative Agent, and The Lenders and Other Parties Party Hereto JPMORGAN CHASE BANK, N.A., BANK OF AMERICA, N.A., WELLS FARGO SECURITIES LLC and CAPITAL ONE, NATIONAL ASSOCIA

September 1, 2020 EX-10.3

Series B Warrant Agreement dated as of September 1, 2020, by and among Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A. [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-10.3 Exhibit 10.3 Execution Version WARRANT AGREEMENT between WHITING PETROLEUM CORPORATION, COMPUTERSHARE INC. and COMPUTERSHARE TRUST COMPANY, N.A., as Warrant Agent Dated as of September 1, 2020 Series B Warrants to Purchase Common Stock TABLE OF CONTENTS Page 1. Definitions 1 2. Warrant Certificates 6 2.1 Original Issuance of Warrants 6 2.2 Form of Warrant Certificates 6 2.3 Execution and D

September 1, 2020 EX-10.4

Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

EX-10.4 Exhibit 10.4 WHITING PETROLEUM CORPORATION 2020 EQUITY INCENTIVE PLAN 1. Purpose and Effective Date (a) Purpose. The purpose of the Whiting Petroleum Corporation 2020 Equity Incentive Plan (the “Plan”) is to promote the best interests of Whiting Petroleum Corporation (together with any successor thereto, the “Company”) and its stockholders by providing key employees and non-employee direct

September 1, 2020 EX-10.6

Executive Employment and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and James P. Henderson [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

EX-10.6 Exhibit 10.6 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between James Henderson (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and is effective as of September 1, 2020 (the “Effective Date”). WHEREAS, the Company desires to employ Executive in a key empl

September 1, 2020 S-8 POS

- S-8 POS

S-8 POS As filed with the United States Securities and Exchange Commission on September 1, 2020 Registration No.

August 17, 2020 EX-99

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION ) In re: ) Chapter 11 ) WHITING PETROLEUM CORPORATION, et al.,1 ) Case No. 20-32021 (DRJ) ) Debtors. ) (Jointly Administered) ) ORDER (I) CONFIRMING THE JOINT C

EX-99 Table of Contents Exhibit 99 IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION ) In re: ) Chapter 11 ) WHITING PETROLEUM CORPORATION, et al.

August 17, 2020 EX-10

Amendment to Employment Agreement, by and between Whiting Petroleum Corporation and Bradley J. Holly, dated August 13, 2020 [Incorporated by reference to Exhibit 10.8 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 17, 2020 (File No. 001-31899)].

EX-10 2 d27916dex10.htm EX-10 Exhibit 10 EXECUTION VERSION AMENDMENT TO EMPLOYMENT AGREEMENT This Amendment to the Employment Agreement (“Agreement”) is between Whiting Petroleum Corporation, which in this Agreement is referred to as “Whiting Petroleum” and Bradley J. Holly, who is referred to as “Holly”, and amends the Executive Employment and Severance Agreement dated November 1, 2017 and as ame

August 17, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Bankruptcy or Receivership

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Comm

August 7, 2020 EX-4.1

Tripartite Agreement, dated June 25, 2020, by and among Whiting Petroleum Corporation, Delaware Trust Company and The Bank of New York Mellon Trust Company, N.A.

Exhibit 4.1 TRIPARTITE AGREEMENT AGREEMENT OF RESIGNATION, APPOINTMENT AND ACCEPTANCE (the “Agreement”), dated as of June 25, 2020 by and among Whiting Petroleum Corporation, a corporation duly organized and existing under the laws of the State of Delaware and having its principal office at 1700 Lincoln, Suite 4700 Denver, Colorado 80203 (the “Company”), Delaware Trust Company, a Delaware state ch

August 7, 2020 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 6-30-2020

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, 2020 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: 001-31899 WHITING PETROLEUM COR

July 10, 2020 SC 13G/A

WLL / Whiting Petroleum Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Whiting Petroleum Corp. Title of Class of Securities: Common Stock CUSIP Number: 966387409 Date of Event Which Requires Filing of this Statement: June 30, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒

June 29, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

June 29, 2020 EX-99

THIS CONFIDENTIAL PRESENTATION CONTAINS MATERIAL NON-PUBLIC INFORMATION CONCERNING WHITING PETROLEUM CORPORATION (“WHITING”) ITS AFFILIATES, OR THEIR RESPECTIVE SECURITIES (COLLECTIVELY, “COMPANY SECURITIES”). BY ACCEPTING THIS CONFIDENTIAL PRESENTAT

EX-99 Whiting Petroleum Corporation Management Presentation June 2020 Exhibit 99 THIS CONFIDENTIAL PRESENTATION CONTAINS MATERIAL NON-PUBLIC INFORMATION CONCERNING WHITING PETROLEUM CORPORATION (“WHITING”) ITS AFFILIATES, OR THEIR RESPECTIVE SECURITIES (COLLECTIVELY, “COMPANY SECURITIES”).

May 7, 2020 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 3-31-2020

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, 2020 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: 001-31899 WHITING PETROLEUM CO

May 7, 2020 EX-10.4

Summary of Non-Employee Director Compensation for Whiting Petroleum Corporation.

Exhibit 10.4 Director Compensation Effective March 31, 2020, non-employee director compensation is paid in cash in quarterly installments in advance as follows: Committee Service Nominating Board Lead and Service Director Audit Compensation Governance Sustainability Annual retainer $ 250,000 $ — $ — $ — $ — $ — Lead annual retainer — 35,000 — — — — Committee chair annual retainer — — 50,000 30,000

May 7, 2020 EX-10.3

Form of Retention Agreement for executive officers of Whiting Petroleum Corporation.

Exhibit 10.3 EXECUTIVE RETENTION BONUS AGREEMENT Dear : On behalf of Whiting Petroleum Corporation and Whiting Oil and Gas Corporation (the “Company”), I am pleased to offer you the opportunity to receive a retention bonus if you agree to the terms and conditions contained in this letter agreement (this “Agreement”), which shall be effective as of the date you execute and return a copy of this Agr

April 24, 2020 EX-99.2

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION ) In re: ) Chapter 11 ) WHITING PETROLEUM CORPORATION, et al.,1 ) Case No. 20-32021 (DRJ) ) Debtors. ) (Jointly Administered) ) DISCLOSURE STATEMENT RELATING TO

EX-99.2 Exhibit 99.2 THIS DISCLOSURE STATEMENT IS BEING SUBMITTED FOR CONDITIONAL APPROVAL BUT HAS NOT YET BEEN APPROVED BY THE BANKRUPTCY COURT. THIS IS NOT A SOLICITATION OF ACCEPTANCE OR REJECTION OF THE PLAN. ACCEPTANCES OR REJECTIONS MAY NOT BE SOLICITED UNTIL A DISCLOSURE STATEMENT HAS BEEN CONDITIONALLY APPROVED BY THE BANKRUPTCY COURT. THE INFORMATION IN THIS DISCLOSURE STATEMENT IS SUBJEC

April 24, 2020 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

April 24, 2020 EX-99.3

Whiting Petroleum Corporation Enters into Restructuring Support Agreement With Certain of its Senior Noteholders and Files Chapter 11 Reorganization Plan and Disclosure Statement Company intends to convert over $2.3 Billion of its Unsecured Notes and

EX-99.3 Exhibit 99.3 1700 Lincoln Street, Suite 4700 Denver, CO 80203 4547 Phone: 303 837 1661 FAX: 303 861 4023 News Release Company Contact: Eric K. Hagen Title: Vice President, Corporate Affairs Phone: 303.837.1661 Email: [email protected] April 24, 2020 For immediate release Whiting Petroleum Corporation Enters into Restructuring Support Agreement With Certain of its Senior Noteholders an

April 24, 2020 EX-10

Restructuring Support Agreement, dated April 23, 2020 [Incorporated by reference to Exhibit 10 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on April 24, 2020 (File No. 001-31899)].

EX-10 2 d922194dex10.htm EX-10 Table of Contents Exhibit 10 Execution Version THIS RESTRUCTURING SUPPORT AGREEMENT IS NOT AN OFFER, SOLICITATION OR ACCEPTANCE WITH RESPECT TO ANY SECURITIES OR A SOLICITATION OF ACCEPTANCES OF A CHAPTER 11 PLAN WITHIN THE MEANING OF SECTION 1125 OF THE BANKRUPTCY CODE. ANY SUCH OFFER OR SOLICITATION WILL COMPLY WITH ALL APPLICABLE SECURITIES LAWS AND/OR PROVISIONS

April 24, 2020 EX-99.1

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION ) In re: ) Chapter 11 ) WHITING PETROLEUM CORPORATION, et al.,1 ) Case No. 20-32021 (DRJ) ) Debtors. ) Jointly Administered ) JOINT CHAPTER 11 PLAN OF REORGANIZ

EX-99.1 Table of Contents Exhibit 99.1 THIS PLAN IS BEING SUBMITTED FOR APPROVAL BUT HAS NOT BEEN APPROVED BY THE BANKRUPTCY COURT. THIS IS NOT A SOLICITATION OF ACCEPTANCE OR REJECTION OF THE PLAN. ACCEPTANCE OR REJECTION MAY NOT BE SOLICITED UNTIL A DISCLOSURE STATEMENT HAS BEEN CONDITIONALLY APPROVED BY THE BANKRUPTCY COURT. THE INFORMATION IN THE PLAN IS SUBJECT TO CHANGE. THIS PLAN IS NOT AN

April 20, 2020 8-K

Regulation FD Disclosure, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 14, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

April 20, 2020 EX-99.1

Whiting Petroleum Corporation Receives Non-Compliance Notice from NYSE

EX-99.1 Exhibit 99.1 1700 Lincoln Street, Suite 4700 Denver, CO 80203 4547 Phone: 303 837 1661 FAX: 303 861 4023 News Release Company Contact: Eric K. Hagen April 20, 2020 Title: Vice President, Corporate Affairs For immediate release Phone: 303.837.1661 Email: [email protected] Whiting Petroleum Corporation Receives Non-Compliance Notice from NYSE DENVER, April 20, 2020 — Whiting Petroleum C

April 16, 2020 SC 13G/A

WLL / Whiting Petroleum Corp. / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 1) WHITING PETROLEUM CORPORATION (Name of Issuer) COMMON STOCK, PAR VALUE $0.001 PER SHARE (Title of Class of Securities) 966387409 (CUSIP Number) APRIL 14, 2020 (Date of event which requires filing of this statement) Check the appropriate box to designate t

April 9, 2020 SC 13G

WLL / Whiting Petroleum Corp. / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 WHITING PETROLEUM CORPORATION (Name of Issuer) COMMON STOCK, PAR VALUE $0.001 PER SHARE (Title of Class of Securities) 966387409 (CUSIP Number) APRIL 3, 2020 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to

April 1, 2020 EX-99.2

Whiting Petroleum Corporation Reaches Agreement in Principle with Certain of its Noteholders to Pursue Consensual Financial Restructuring Commences Chapter 11 Reorganizational Process to Right-Size Capital Structure

EX-99.2 Exhibit 99.2 1700 Lincoln Street, Suite 4700 Denver, CO 80203 4547 Phone: 303 837 1661 FAX: 303 861 4023 News Release Company Contact: Eric K. Hagen April 1, 2020 Title: Vice President, Corporate Affairs For immediate release Phone: 303.837.1661 Email: [email protected] Whiting Petroleum Corporation Reaches Agreement in Principle with Certain of its Noteholders to Pursue Consensual Fi

April 1, 2020 EX-99.3

C CON ONF FIID DEN ENT TIIA AL L Important Notice to Recipients THIS CONFIDENTIAL PRESENTATION CONTAINS MATERIAL NON-PUBLIC INFORMATION CONCERNING WHITING PETROLEUM CORPORATION (“WHITING”) ITS AFFILIATES, OR THEIR RESPECTIVE SECURITIES (COLLECTIVELY,

EX-99.3 Exhibit 99.3 CONFIDENTIAL Whiting Petroleum Corporation Business Plan Overview Spring 2020 NYSE: WLL 1 Exhibit 99.3 CONFIDENTIAL Whiting Petroleum Corporation Business Plan Overview Spring 2020 NYSE: WLL 1 C CON ONF FIID DEN ENT TIIA AL L Important Notice to Recipients THIS CONFIDENTIAL PRESENTATION CONTAINS MATERIAL NON-PUBLIC INFORMATION CONCERNING WHITING PETROLEUM CORPORATION (“WHITING

April 1, 2020 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Other Events, Bankruptcy or Receivership

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 26, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

April 1, 2020 EX-99.1

WHITING PETROLEUM CORPORATION RESTRUCTURING TERM SHEET April 1, 2020

EX-99.1 Exhibit 99.1 WHITING PETROLEUM CORPORATION RESTRUCTURING TERM SHEET April 1, 2020 This restructuring term sheet (this “Term Sheet”) presents the principal terms of a proposed financial restructuring (the “Restructuring”) of the existing indebtedness of Whiting Petroleum Corporation (“Parent”) and its subsidiaries that are identified below (collectively, the “Company” or the “Debtors”), whi

March 27, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 27, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

March 27, 2020 EX-99

Whiting Petroleum Corporation Adopts Shareholder Rights Plan to Protect the Availability of its Net Operating Losses

EX-99 Exhibit 99 1700 Lincoln Street, Suite 4700 Denver, CO 80203-4547 Phone: 303-837-1661 FAX: 303-861-4023 News Release Company Contact: Eric K.

March 27, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 26, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Commi

March 27, 2020 EX-3

Certificate of Designations of Series A Preferred Stock of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on March 27, 2020 (File No. 001-31899)].

EX-3 Exhibit 3 CERTIFICATE OF DESIGNATIONS of SERIES A PREFERRED STOCK of WHITING PETROLEUM CORPORATION (Pursuant to Section 151 of the Delaware General Corporation Law) Whiting Petroleum Corporation, a corporation organized and existing under the General Corporation Law of the State of Delaware (the “Corporation”), hereby certifies that the following resolution was adopted by the Board of Directors of the Corporation (the “Board of Directors”) as required by Section 151 of the General Corporation Law on March 26, 2020: RESOLVED, that pursuant to the authority vested in the Board of Directors in accordance with the provisions of the Restated Certificate of Incorporation of the Corporation, a series of preferred stock, par value $0.

March 27, 2020 8-A12B

WLL / Whiting Petroleum Corp. 8-A12B - - 8-A12B

8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 20-0098515 (State of incorporation or organization) (I.R.S. Employer Identification No.) 1700

March 27, 2020 EX-4

Section 382 Rights Agreement, dated as of March 26, 2020, between Whiting Petroleum Company and Computershare Trust Company, N.A., as rights agent.

EX-4 Exhibit 4 SECTION 382 RIGHTS AGREEMENT Dated as of March 26, 2020 between WHITING PETROLEUM CORPORATION and COMPUTERSHARE TRUST COMPANY, N.

March 27, 2020 EX-99

Whiting Petroleum Corporation Takes Measures to Preserve Liquidity Company draws $650 million on its credit facility to maintain flexibility in the wake of the current market environment

EX-99 Exhibit 99 1700 Lincoln Street, Suite 4700 Denver, CO 80203 4547 Phone: 303 837 1661 FAX: 303 861 4023 News Release Company Contact: Eric K.

March 19, 2020 DEF 14A

WLL / Whiting Petroleum Corp. DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 19, 2020 DEFA14A

WLL / Whiting Petroleum Corp. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

February 27, 2020 EX-99

Whiting Petroleum Corporation Announces Fourth Quarter and Full-Year 2019 Results; Provides 2020 Capital Budget and Guidance

Exhibit 99 ‑4547 ‑837‑1661 ‑861‑4023 1700 Lincoln Street, Suite 4700 Denver, CO 80203‑4547 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K.

February 27, 2020 EX-21

Significant Subsidiaries of Whiting Petroleum Corporation.

Exhibit 21 SIGNIFICANT SUBSIDIARIES OF WHITING PETROLEUM CORPORATION Jurisdiction of Incorporation or Name Organization Percent Ownership Whiting Oil and Gas Corporation Delaware 100% Whiting US Holding Company Delaware 100% Whiting Canadian Holding Company ULC British Columbia 100% Whiting Resources Corporation Colorado 100%

February 27, 2020 EX-10.11

Form of Performance Share Award Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan granted in 2020.

Exhibit 10.11 WHITING PETROLEUM CORPORATION PERFORMANCE SHARE AWARD AGREEMENT (Officer Form) THIS PERFORMANCE SHARE AWARD AGREEMENT (this “Agreement”) is made and entered into as of [•], 20[•] by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affiliates whose signature i

February 27, 2020 EX-99

Report of Cawley, Gillespie & Associates, Inc., Independent Petroleum Engineers relating to Total Proved Reserves, dated February 7, 2020.

Exhibit 99 CAWLEY, GILLESPIE & ASSOCIATES, INC. PETROLEUM CONSULTANTS 13640 BRIARWICK DRIVE, SUITE 100 306 WEST SEVENTH STREET, SUITE 302 1000 LOUISIANA STREET, SUITE 1900 AUSTIN, TEXAS 78729-1707 FORT WORTH, TEXAS 76102-4987 HOUSTON, TEXAS 77002-5008 512-249-7000 817-336-2461 713-651-9944 www.cgaus.com February 7, 2020 Ms. Trina Medina Director – Reservoir Engineering Whiting Petroleum Corporatio

February 27, 2020 EX-10.3

Summary of Non-Employee Director Compensation for Whiting Petroleum Corporation.

Exhibit 10.3 Director Compensation Effective January 1, 2020, non-employee director compensation is as follows: Committee Service Nominating Board Lead and Service Director Audit Compensation Governance Sustainability Annual retainer $ 75,000 $ — $ — $ — $ — $ — Restricted stock (value), one year vesting 180,000 — — — — — Lead annual retainer — 20,000 — — — — Lead restricted stock (value) — 15,000

February 27, 2020 EX-10.8

Form of Restricted Stock Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for time-based vesting awards granted to executive officers.

Exhibit 10.8 WHITING PETROLEUM CORPORATION RESTRICTED STOCK AGREEMENT (Officer Form) THIS RESTRICTED STOCK AGREEMENT (this “Agreement”) is made and entered into as of [•], 20[•] by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the non-employee director or key employee of the Company or one of its affiliates who

February 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2020 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Co

February 27, 2020 10-K

Annual Report - WHITING PETROLEUM CORP FORM 10-K, 12-31-2019

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, 2019 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: 001-31899 WHITING

February 27, 2020 EX-4.9

Description of Securities.

Exhibit 4.9 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 27, 2020, Whiting Petroleum Company (“we,” “our,” “us”) had one security registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): common stock, $0.01 par value per share. Our common stock is listed on The New York

February 27, 2020 EX-10.13

Form of Restricted Stock Unit Agreement (Cash-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan granted to executive officers.

Exhibit 10.13 WHITING PETROLEUM CORPORATION RESTRICTED STOCK unit award AGREEMENT (CASH-SETTLED) (Officer Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [•], 20[•], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affi

February 12, 2020 SC 13G/A

WLL / Whiting Petroleum Corp. / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* WHITING PETROLEUM CORP (Name of Issuer) Common Stock (Title of Class of Securities) 966387409 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 12, 2020 SC 13G/A

WLL / Whiting Petroleum Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Whiting Petroleum Corp Title of Class of Securities: Common Stock CUSIP Number: 966387409 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

November 6, 2019 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 9-30-2019

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, 2019 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: 001-3189

November 5, 2019 EX-99

Whiting Petroleum Corporation Announces Third Quarter 2019 Financial and Operating Results

Exhibit 99 1700 Lincoln, Suite 4700 Denver, CO 80203‑4547 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K.

November 5, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2019 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-31899 20-0098515 (State or other jurisdiction of incorporation) (Com

September 27, 2019 SC TO-I/A

WLL / Whiting Petroleum Corp. SC TO-I/A - - SC TO-I/A

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) Whiting Petroleum Corporation (Name of Subject Company (Issuer) and Filing Person (Offeror)) 1.25% Convertible Senior Notes due 2020 (Title of Class of Securities) 966387AL6 (CUSIP Number of Class of Secur

September 27, 2019 EX-99.(A)(5)(II)

Press Release announcing the final results of the Tender Offer, dated September 27, 2019.

EX-99.(a)(5)(ii) Exhibit (a)(5)(ii) 1700 Broadway, Suite 2300 Denver, CO 80290-2300 Phone: 303-837-1661 FAX: 303-861-4023 News Release Company Contact: Eric K. Hagen September 27, 2019 Title: Vice President, Corporate Affairs For immediate release Phone: 303-837-1661 Email: [email protected] Whiting Petroleum Corporation Announces Results and Proration of its Tender Offer for its 1.25% Conver

September 16, 2019 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 13, 2019 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporation) (Com

September 16, 2019 EX-4.1

First Amendment to Seventh Amended and Restated Credit Agreement, dated as of September 13, 2019, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent [Incorporated by reference to Exhibit 4.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 16, 2019 (File No. 001-31899)].

EX-4.1 Exhibit 4.1 Execution Version FIRST AMENDMENT TO SEVENTH AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF SEPTEMBER 13, 2019 AMONG WHITING PETROLEUM CORPORATION, as Parent Guarantor, WHITING OIL AND GAS CORPORATION, as Borrower, JPMORGAN CHASE BANK, N.A., as Administrative Agent, and THE LENDERS PARTY HERETO FIRST AMENDMENT TO SEVENTH AMENDED AND RESTATED CREDIT AGREEMENT This First Amendm

September 6, 2019 SC TO-I/A

WLL / Whiting Petroleum Corp. SC TO-I/A - - SC TO-I/A

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Amendment No. 1) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 Whiting Petroleum Corporation (Name of Subject Company (Issuer) and Filing Person (Offeror)) 1.25% Convertible Senior Notes due 2020 (Title of Class of Securities) 966387AL6 (CUSIP Number of Class of Secur

August 29, 2019 SC TO-I

WLL / Whiting Petroleum Corp. SC TO-I - - SC TO-I

SC TO-I SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 Whiting Petroleum Corporation (Name of Subject Company (Issuer) and Filing Person (Offeror)) 1.25% Convertible Senior Notes due 2020 (Title of Class of Securities) 966387AL6 (CUSIP Number of Class of Securities) Bradley J. Ho

August 29, 2019 EX-99.(A)(1)(B)

Letter of Transmittal

EX-99.(a)(1)(B) Exhibit (a)(1)(B) Whiting Petroleum Corporation LETTER OF TRANSMITTAL Offer to Purchase for Cash, Dated August 29, 2019, For Up To $300,000,000 Aggregate Principal Amount Of 1.25% Convertible Senior Notes due 2020 (CUSIP No. 966387AL6) The Tender Offer (as defined herein) will expire at 11:59 p.m., New York City time, on September 26, 2019, or any other date and time to which the C

August 29, 2019 EX-99.(A)(1)(A)

Offer to Purchase, dated August 29, 2019

EX-99.(a)(1)(A) Table of Contents Exhibit (a)(1)(A) Whiting Petroleum Corporation Offer to Purchase for Cash Up To $300,000,000 Aggregate Principal Amount Of 1.25% Convertible Senior Notes due 2020 (CUSIP No. 966387AL6) The Tender Offer (as defined below) will expire at 11:59 p.m., New York City time, on September 26, 2019, or any other date and time to which the Company extends such Tender Offer

August 29, 2019 EX-99.(A)(5)

Press Release announcing the commencement of the Tender Offer, dated August 29, 2019

EX-99.(a)(5) Exhibit (a)(5) 1700 Broadway, Suite 2300 Denver, CO 80290-2300 Phone: 303-837-1661 FAX: 303-861-4023 News Release Company Contact: Eric K. Hagen August 29, 2019 Title: Vice President, Corporate Affairs For immediate release Phone: 303-837-1661 Email: [email protected] Whiting Petroleum Corporation Announces Tender Offer for its 1.25% Convertible Senior Notes Due 2020 DENVER — Aug

August 21, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2019 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

August 1, 2019 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 6-30-2019

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, 2019 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: 001-31899 WHI

July 31, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8‑K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2019 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001‑31899 20‑0098515 (State or other jurisdiction of incorporation) (Commis

July 31, 2019 EX-99

Whiting Petroleum Corporation Announces Second Quarter 2019 Financial and Operating Results

EX-99 2 wll-20190731xex99.htm PRESS RELEASE OF WHITING PETROLEUM CORPORATION Exhibit 99 1700 Broadway, Suite 2300 Denver, CO 80290‑2300 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K. Hagen July 31, 2019 Title: Vice President, Corporate Affairs For immediate release Phone: 303‑837‑1661 Email: [email protected] Whiting Petroleum Corporation Announces Second Quarter

July 16, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 15, 2019 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporation) (Comm

July 16, 2019 EX-10.2

Non-Competition and Non-Solicitation Agreement, between Michael J. Stevens and Whiting Petroleum Corporation effective as of August 1, 2019 [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on July 16, 2019 (File No. 001-31899)].

EX-10.2 2 d777776dex102.htm EX-10.2 Exhibit 10.2 NON-COMPETITION AND NON-SOLICITATION AGREEMENT This Non-Competition and Non-Solicitation Agreement (this “Agreement”) is between Michael J. Stevens (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and effective as of the close of business on August 1, 2019 (the “Effective Date”). WHEREAS,

July 2, 2019 EX-24

Powers of Attorney.

EX-24 Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, That I Thomas L.

July 2, 2019 S-8

WLL / Whiting Petroleum Corp. S-8 - - S-8

S-8 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 20-0098515 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 1700 Broadway, Suite 2300 Denver

May 2, 2019 8-K

Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2019 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporation) (Commis

May 2, 2019 10-Q

Quarterly Report - WHITING PETROLEUM CORP FORM 10-Q, 3-31-2019

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, 2019 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: 001‑31899 WH

May 1, 2019 EX-99

Whiting Petroleum Corporation Announces First Quarter 2019 Financial and Operating Results

Exhibit 99 1700 Broadway, Suite 2300 Denver, CO 80290‑2300 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K.

May 1, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8‑K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2019 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001‑31899 20‑0098515 (State or other jurisdiction of incorporation) (Commissi

March 19, 2019 DEFA14A

WLL / Whiting Petroleum Corp. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 19, 2019 DEF 14A

Whiting Petroleum Corporation 2013 Equity Incentive Plan, as amended and restated [Incorporated by reference to Exhibit A to Whiting Petroleum Corporation’s definitive proxy statement filed with the Securities and Exchange Commission on Schedule 14A on March 19, 2019 (File No. 001-31899)].

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 14, 2019 EX-25.2

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., as trustee for Subordinated Indenture, dated as of April 19, 2005.

EX-25.2 8 d720815dex252.htm EX-25.2 Exhibit 25.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) [ ] THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of tr

March 14, 2019 S-3ASR

WLL / Whiting Petroleum Corp. S-3ASR

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on March 14, 2019 Registration No.

March 14, 2019 EX-24

Powers of Attorney.

EX-24 Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned constitutes and appoints Bradley J.

March 14, 2019 EX-25.1

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., as trustee for Indenture, dated as of September 9, 2013.

EX-25.1 Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) [ ] THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its ch

February 28, 2019 10-K

December 31, 2018

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, 2018 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: 001‑31899 WHITING

February 28, 2019 EX-21

Significant Subsidiaries of Whiting Petroleum Corporation.

Exhibit 21 SIGNIFICANT SUBSIDIARIES OF WHITING PETROLEUM CORPORATION Jurisdiction of Incorporation or Name Organization Percent Ownership Whiting Oil and Gas Corporation Delaware 100% Whiting US Holding Company Delaware 100% Whiting Canadian Holding Company ULC British Columbia 100% Whiting Resources Corporation Colorado 100%

February 28, 2019 EX-99.2

Report of Cawley, Gillespie & Associates, Inc., Independent Petroleum Engineers relating to Total Proved Reserves, dated January 18, 2019.

Exhibit 99.2 CAWLEY, GILLESPIE & ASSOCIATES, INC. PETROLEUM CONSULTANTS 13640 BRIARWICK DRIVE, SUITE 100 306 WEST SEVENTH STREET, SUITE 302 1000 LOUISIANA STREET, SUITE 1900 AUSTIN, TEXAS 78729-1707 FORT WORTH, TEXAS 76102-4987 HOUSTON, TEXAS 77002-5008 512-249-7000 817-336-2461 713-651-9944 www.cgaus.com January 18, 2019 Mr. Pete Hagist Sr. Vice President, Engineering Whiting Petroleum Corporatio

February 28, 2019 EX-10.3

Summary of Non-Employee Director Compensation for Whiting Petroleum Corporation.

Exhibit 10.3 Director Compensation Effective January 1, 2019, non-employee director compensation is as follows: Committee Service Nominating Board Lead and Service Director Audit Compensation Governance Annual retainer $ 75,000 $ — $ — $ — $ — Restricted stock (value), one year vesting 180,000 — — — — Lead annual retainer — 20,000 — — — Lead restricted stock (value) — 15,000 — — — Committee chair

February 26, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8‑K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2019 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001‑31899 20‑0098515 (State or other jurisdiction of incorporation) (Co

February 26, 2019 EX-99

Whiting Petroleum Corporation Announces Fourth Quarter and Full-Year 2018 Financial and Operating Results

Exhibit 99 1700 Broadway, Suite 2300 Denver, CO 80290‑2300 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K.

February 14, 2019 SC 13G/A

WLL / Whiting Petroleum Corp. / Fine Capital Partners, L.P. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 14, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2019 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporatio

February 13, 2019 SC 13G/A

WLL / Whiting Petroleum Corp. / KEY GROUP HOLDINGS (CAYMAN), LTD. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) Whiting Petroleum Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 966387409 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 11, 2019 SC 13G/A

WLL / Whiting Petroleum Corp. / VANGUARD GROUP INC Passive Investment

whitingpetroleumcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Whiting Petroleum Corp Title of Class of Securities: Common Stock CUSIP Number: 966387409 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropri

February 8, 2019 SC 13G/A

WLL / Whiting Petroleum Corp. / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* WHITING PETROLEUM CORP (Name of Issuer) Common Stock (Title of Class of Securities) 966387409 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

November 15, 2018 EX-99.1

Whiting Petroleum Corporation Names Charles J. Rimer Chief Operating Officer

EX-99.1 Exhibit 99.1 1700 Broadway, Suite 2300, Denver, CO 80290-2300 Phone: 303.837.1661 | FAX: 303.861.4023 News Release Company Contact: Eric K. Hagen Title: Vice President, Investor Relations Phone: 303.837.1661 Email: [email protected] November 15, 2018 For immediate release Whiting Petroleum Corporation Names Charles J. Rimer Chief Operating Officer DENVER – November 15, 2018 – Whiting

November 15, 2018 EX-10.1

Executive Employment and Severance Agreement, between Charles J. Rimer and Whiting Petroleum Corporation, effective as of November 15, 2018 [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K as filed on November 15, 2018 (File No. 001-31899)].

EX-10.1 Exhibit 10.1 EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Executive Employment and Severance Agreement (this “Agreement”) is between Charles J. Rimer (“Executive”) and Whiting Petroleum Corporation (“Whiting” and, together with its subsidiaries, the “Company”) and effective as of November 15, 2018 (the “Effective Date”). WHEREAS, the Company desires to employ Executive in a key employ

November 15, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2018 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporati

October 31, 2018 10-Q

WLL / Whiting Petroleum Corp. WHITING PETROLEUM CORP FORM 10-Q, 9-30-2018 (Quarterly Report)

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, 2018 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: 001‑3189

October 30, 2018 EX-99

Whiting Petroleum Corporation Announces Third Quarter 2018 Financial and Operating Results

Exhibit 99 1700 Broadway, Suite 2300 Denver, CO 80290‑2300 Phone: 303‑837‑1661 FAX: 303‑861‑4023 News Release Company Contact: Eric K.

October 30, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8‑K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2018 WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 001‑31899 20‑0098515 (State or other jurisdiction of incorporation) (Com

August 30, 2018 EX-10.2

Form of Restricted Stock Unit Award Agreement (Stock-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for awards granted on or after August 24, 2018 [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K Filed on August 30, 2018 (File No. 001-31899)].

EX-10.2 Exhibit 10.2 WHITING PETROLEUM CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (STOCK-SETTLED) (Officer Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●], by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of

August 30, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 24, 2018 Whiting Petroleum Corporation (Exact name of registrant as specified in its charter) Delaware 1-31899 20-0098515 (State or other jurisdiction of incorporation

August 30, 2018 EX-10.1

Letter Agreement, dated August 24, 2018, Amending Outstanding Restricted Stock and Performance Share Awards and Executive Employment and Severance Agreement [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 30, 2018 (File No. 001-31899)].

EX-10.1 Exhibit 10.1 WHITING PETROLEUM CORPORATION AMENDMENTS TO AWARDS UNDER THE 2013 EQUITY INCENTIVE PLAN AND THE EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT August 24, 2018 Dear Award Holder: The Compensation Committee recently approved enhanced vesting features for our long-term incentive compensation program for our officers. We intend to include these enhanced vesting features in future lo

August 30, 2018 EX-10.3

Form of Performance Share Unit Award Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 30, 2018 (File No. 001-31899)].

EX-10.3 Exhibit 10.3 WHITING PETROLEUM CORPORATION PERFORMANCE SHARE UNIT AWARD AGREEMENT (Officer Form) THIS PERFORMANCE SHARE UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into as of [●], 20[●] by and between Whiting Petroleum Corporation, a Delaware corporation with its principal offices at Denver, Colorado (the “Company”), and the employee of the Company or one of its affiliates

August 8, 2018 SC 13G/A

WLL / Whiting Petroleum Corp. / VANGUARD GROUP INC Passive Investment

whitingpetroleumcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5 )* Name of issuer: Whiting Petroleum Corp Title of Class of Securities: Common Stock CUSIP Number: 966387409 Date of Event Which Requires Filing of this Statement: July 31, 2018 Check the appropriate

August 1, 2018 10-Q

WLL / Whiting Petroleum Corp. WHITING PETROLEUM CORP FORM 10-Q, 6-30-2018 (Quarterly Report)

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, 2018 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: 001‑31899 WHITING PETRO

July 31, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549  FORM 8-K  CURRENT REPORT  Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934    Date of Report  (Date of earliest  event reported): July 31, 2018   WHITING PETROLEUM CORPORATION (Exact name of registrant as specified in its charter)   Delaware 001-31899 20-0098515 (State or other jurisdiction o

July 31, 2018 EX-99

 Whiting Petroleum Corporation Announces Second Quarter 2018 Financial and Operating Results

  1700 Broadway, Suite 2300 Denver, CO 80290-2300 Phone: 303.837.1661 FAX: 303.861.4023  News Release  Company Contact: Eric K. Hagen July 31, 2018 Title: Vice President, Investor Relations For immediate release Phone: 303-837-1661 Email: [email protected]  Whiting Petroleum Corporation Announces Second Quarter 2018 Financial and Operating Results · Q2 2018 Average Production of 126,180

June 6, 2018 424B3

Whiting Petroleum Corporation Offer to Exchange All Outstanding, Unregistered $1,000,000,000 6.625% Senior Notes due 2026 For New, Registered $1,000,000,000 6.625% Senior Notes due 2026

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-225232 PROSPECTUS Whiting Petroleum Corporation Offer to Exchange All Outstanding, Unregistered $1,000,000,000 6.625% Senior Notes due 2026 For New, Registered $1,000,000,000 6.625% Senior Notes due 2026 We are offering, upon the terms and subject to the conditions set forth in this prospectus, to exchange all of our out

June 4, 2018 CORRESP

WLL / Whiting Petroleum Corp. CORRESP

CORRESP Whiting Petroleum Corporation Whiting Oil and Gas Corporation Whiting US Holding Company Whiting Canadian Holding Company ULC Whiting Resources Corporation 1700 Broadway, Suite 2300 Denver, Colorado 80290-2300 June 4, 2018 Securities and Exchange Commission 100 F Street, N.

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