13D Filing: Geode Capital Management LP and Rosehill Resources Inc (ROSE)

Page 4 of 7 – SEC Filing

Page 3

EXPLANATORY NOTE: This Amendment No. 5 to Schedule 13D
(“Amendment No. 5”) relates to the Class A Common Stock, par value $0.0001 per
share (the “Common Stock”) of Rosehill Resources, Inc., a Delaware corporation
(the “Issuer). This Amendment No. 5 amends, as set forth below, the Schedule 13D
filed by Geode Capital Management LP and certain related parties with respect to
the Issuer on July 27, 2017 (the “Original Schedule 13D”), as most recently
amended by Amendment No. 4 to Schedule 13D, filed on December 21, 2017. The
items of the Original Schedule 13D, as amended, are further amended as described
herein, and only those items amended are reported herein. Unless otherwise
stated herein, the Original Schedule 13D, as amended, remains in full force and
effect.

Item 5. Interest in Securities of the Issuer

Item 5(a)-(c) are hereby amended and restated to read as
follows:

(a) & (b)

Geode Diversified Fund
Amount beneficially owned: 923,770 (1)
Percent of class: 13.2% (2)
Number of shares as to which the person has:
   Sole power to vote or direct the vote: 0
 Shared power to vote or direct the vote: 923,770 (1)
           Sole
power to dispose or direct the disposition of:
0
           Shared
power to dispose or direct the disposition of:
923,770 (1)
Geode Capital Management
LP
Amount beneficially owned: 923,770 (1)
Percent of class: 13.2% (2)
Number of shares as to which the person has:
   Sole power to vote or direct the vote: 0
           Shared
power to vote or direct the vote:
923,770 (1)
           Sole
power to dispose or direct the disposition of:
0
           Shared
power to dispose or direct the disposition of:
923,770 (1)
(1)

The reported amount includes 208,750 shares issuable upon
the exercise of Warrants, 668,174 shares issuable upon conversion of
shares of Series A Preferred Stock and 46,846 shares of Common
Stock.

(2)

Calculation is based upon 6,979,766 shares of Common
Stock outstanding, which is the sum of: (i) 5,856,581 shares of Common
Stock outstanding as of November 10, 2017, which is the total amount of
Common Stock outstanding as reported in the Issuers Quarterly Report on
Form 10-Q filed with the Securities and Exchange Commission on November
14, 2017, (ii) 208,750 shares of Common Stock that the Reporting Persons can acquire upon
exercise of Warrants, (iii) 668,174 shares of Common Stock that the
Reporting Persons can acquire upon conversion of shares of Series A
Preferred Stock, and (iv) 246,261 shares of Common Stock received by the
Fund upon conversion of 2,832 shares of Series A Preferred Stock on
October 5, 2017, October 16, 2017, December 14, 2017 and December 22,
2017, which have not been included in the number of shares stated in
clause (i) of this paragraph.

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