13D Filing: Oasis Petroleum Inc. and Oasis Midstream Partners LP (OMP)

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Page 15 of 16 – SEC Filing


Bobby S. Shackouls

c/o Oasis Petroleum Inc.

1001 Fannin Street, Suite 1500,
Houston, TX 77002

Principal Occupation: Director of Oasis Petroleum Inc.

Citizenship: USA

Amount Beneficially Owned: 0 common units

Douglas E. Swanson, Jr.

c/o Oasis Petroleum Inc.

1001 Fannin Street, Suite 1500, Houston, TX 77002

Principal
Occupation: Director of Oasis Petroleum Inc.

Citizenship: USA

Amount Beneficially Owned: 0 common units

(1) On September 25, 2017,
Mr. Nusz purchased 5,000 units pursuant to the Issuers directed unit program.

(2) On September 25, 2017, Mr. Reid purchased 20,000
units pursuant to the Issuers directed unit program.

(3) On September 25, 2017, Mr. Lou purchased 25,000 units pursuant to the
Issuers directed unit program.

(4) On September 25, 2017, Mr. Lorentzatos purchased 5,900 units pursuant to the Issuers directed
unit program.

(5) On September 25, 2017, Mr. Collins purchased 25,000 units pursuant to the Issuers directed unit program.

(6) On September 25, 2017, Mr. Hagale purchased 10,000 units pursuant to the Issuers directed unit program.

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