Nusz Thomas B

Row 1 · 2020-11-18 · Grant · Acquired 10,780 · Balance 799,896

F1: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 12, 2017. On November 18, 2020, these shares were determined to have been earned, and they vested on such date in connection with a change of control that occurred in connection with Oasis Petroleum Inc.'s voluntary cases under Chapter 11 of the U.S. Bankruptcy Code.

Row 2 · 2020-11-18 · Tax withholding · Disposed 4,242 · Balance 795,654

Row 3 · 2020-11-18 · Grant · Acquired 35,386 · Balance 831,040

F2: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 24, 2018. On November 18, 2020, these shares were determined to have been earned, and they vested on such date in connection with a change of control that occurred in connection with Oasis Petroleum Inc.'s voluntary cases under Chapter 11 of the U.S. Bankruptcy Code.

Row 4 · 2020-11-18 · Tax withholding · Disposed 13,925 · Balance 817,115

Row 5 · 2020-11-19 · Disposition to issuer · Disposed 817,115 · Balance 0

F3: On September 30, 2020, Oasis Petroleum Inc. ("Oasis") and certain of its affiliates (together with Oasis, the "Company") commenced voluntary cases under Chapter 11 of the U.S. Bankruptcy Code ("Chapter 11") in the U.S. Bankruptcy Court for the Southern District of Texas (the "Bankruptcy Court"). On November 10, 2020 the Bankruptcy Court entered an order confirming the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"). On November 19, 2020 (the "Effective Date"), the Plan became effective in accordance with its terms and the Company emerged from Chapter 11.

F4: On the Effective Date, all outstanding shares of Oasis common stock were cancelled and extinguished in accordance with the Plan approved by the Bankruptcy Court.

Row 6 · 2020-11-19 · Grant · Acquired 4,136 · Balance 4,136

F3: On September 30, 2020, Oasis Petroleum Inc. ("Oasis") and certain of its affiliates (together with Oasis, the "Company") commenced voluntary cases under Chapter 11 of the U.S. Bankruptcy Code ("Chapter 11") in the U.S. Bankruptcy Court for the Southern District of Texas (the "Bankruptcy Court"). On November 10, 2020 the Bankruptcy Court entered an order confirming the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"). On November 19, 2020 (the "Effective Date"), the Plan became effective in accordance with its terms and the Company emerged from Chapter 11.

F5: On the Effective Date, pursuant to and under the Plan, the Reporting Person received warrants (the "Warrants") to purchase shares of outstanding common stock, par value $0.01 per share, of Oasis (the "New Common Stock"), in exchange for all of the Reporting Person's outstanding shares of Oasis Common Stock, which were cancelled and extinguished in accordance with the Plan. Each Warrant is exercisable for one share of New Common Stock from the date of issuance until 5:00 p.m., New York time, on the expiration date. The receipt of Warrants was involuntary, without additional consideration and in accordance with the Plan approved by the Bankruptcy Court.

Row 1 · 2020-06-12 · Disposition to issuer · Disposed 15,460 · Balance 19,927

F1: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP (the "Partnership").

F2: The reported transaction involved the Reporting Person's voluntary forfeiture of 15,460 phantom units in connection with the new Oasis Petroleum Inc. executive compensation program.