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

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Page 21 of 37 – SEC Filing

(8) Atlas Enhanced Fund, L.P. is a Delaware limited partnership (AEF LP),
with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AEF LP owns 29.03% of the equity interests in AEMF.

(9) Atlas Enhanced Fund, Ltd. is a Cayman corporation (AEF 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. AEF LTD. owns 70.81% of the equity interests in AEMF.

(10) Atlas Fundamental Trading Master Fund Ltd. is a Cayman corporation (AFT
MASTER), 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.

(11) Atlas Fundamental Trading Fund, L.P., is a Delaware limited partnership (AFT
LP), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AFT LP owns 46.76% of the equity interests in AFT MASTER.

(12) Atlas Fundamental Trading Fund Ltd. is a Cayman corporation (AFT 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. AFT LTD owns 53.13% of the equity interests in AFT
MASTER

(13) BAM Zie Master Fund, Ltd. is a Cayman corporation (BZMF), 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.

(14) BAM Zie Fund, LLC is a Delaware limited liability company (BZF LLC),
with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. BZF LLC owns 54.30% of the equity interests in BZMF.

(15) BAM Zie Fund, Ltd. is a Cayman corporation (BZF 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. BZF LTD owns 45.26% of the equity interests in BZMF.

(16) Atlas Quantitative Trading Fund, Ltd. is a Cayman corporation (AQTF),
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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