Oasis Petroleum Inc. (OAS) Stock: This Hedge Fund Just Acquired Over 10 Million Shares

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Page 20 of 37 – SEC Filing

Item 1 (a) Name of Issuer:
OASIS PETROLEUM INC. (the Company)
(b) Address of Issuers Principal Executive Offices:
1001 Fannin Street
Suite 1500
Houston, TX 77002
United States
Item 2 (a)  (c) This statement is filed on behalf of the following:

(1) Atlas Master Fund, Ltd. is a Cayman corporation (AMF), with its
principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(2) Atlas Global, LLC is a Delaware limited liability company (AG), with
its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AG owns 18.79% of the equity interests in AMF.

(3) Atlas Global Investments, Ltd. is a Cayman corporation (AGI), with
its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AGI owns 29.01% of the equity interests in AMF.

(4) Atlas Institutional Fund, LLC is a Delaware limited liability company (AIF
LLC), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AIF LLC owns 6.51% of the equity interests in AMF.

(5) Atlas Institutional Fund, Ltd. is a Cayman corporation (AIF LTD),
with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AIF, LTD owns 19.00% of the equity interests in AMF.

(6) Atlas Global Japan Unit Trust is a Cayman exempted unit trust (AGJ),
with its principal business office at c/o CIBC Bank and Trust Company (Cayman) Limited, CIBC Financial Centre, 11 Dr. Roys Drive-3rd Floor, P.O. Box 694, Grand Cayman, Cayman Islands, British West Indies. AGJ owns 10.08% of the equity
interests in AMF.

(7) Atlas Enhanced Master Fund, Ltd. is a Cayman corporation (AEMF),
with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

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