13G Filing: Carlson Capital and Propetro Holding Corp.

---

C.

Energy:

(a)

Amount beneficially owned: 910,706 shares of Common Stock

(b)

Percent of class: 1.1%

(c)

(i)      Sole power to vote or direct the vote: -0-

(ii)

Shared power to vote or direct the vote: 910,706 shares of Common Stock

(iii)

Sole power to dispose or direct the disposition: -0-

(iv)

Shared power to dispose or direct the disposition: 910,706 shares of Common Stock

D.

Carlson Capital:

(a)

Amount beneficially owned: 7,749,998 shares of Common Stock

(b)

Percent of class: 9.3%

(c)

(i)      Sole power to vote or direct the vote: -0-

(ii)

Shared power to vote or direct the vote: 7,749,998 shares of Common Stock

(iii)

Sole power to dispose or direct the disposition: -0-

(iv)

Shared power to dispose or direct the disposition: 7,749,998 shares of Common Stock

E.

Asgard II:

(a)

Amount beneficially owned: 7,749,998 shares of Common Stock

(b)

Percent of class: 9.3%

(c)

(i)      Sole power to vote or direct the vote: -0-

(ii)

Shared power to vote or direct the vote: 7,749,998 shares of Common Stock

(iii)

Sole power to dispose or direct the disposition: -0-

(iv)

Shared power to dispose or direct the disposition: 7,749,998 shares of Common Stock

F.

Asgard:

(a)

Amount beneficially owned: 7,749,998 shares of Common Stock

(b)

Percent of class: 9.3%

(c)

(i)      Sole power to vote or direct the vote: -0-

(ii)

Shared power to vote or direct the vote: 7,749,998 shares of Common Stock

(iii)

Sole power to dispose or direct the disposition: -0-

(iv)

Shared power to dispose or direct the disposition: 7,749,998 shares of Common Stock

G.

Mr. Carlson:

(a)

Amount beneficially owned: 7,749,998 shares of Common Stock

(b)

Percent of class: 9.3%

(c)

(i)      Sole power to vote or direct the vote: -0-

(ii)

Shared power to vote or direct the vote: 7,749,998 shares of Common Stock

(iii)

Sole power to dispose or direct the disposition: -0-

(iv)

Shared power to dispose or direct the disposition: 7,749,998 shares of Common Stock

The
Issuers Prospectus filed pursuant to Rule 424(b)(4) with the Securities and Exchange Commission on March 20, 2017 indicates that the total number of outstanding shares of Common Stock after the completion of the Issuers initial
public offering was 83,039,854. The percentages used herein and in the rest of the Schedule 13G are based upon such number of shares of Common Stock outstanding. As of March 31, 2017, the Reporting Persons beneficially own 7,749,998 shares of
Common Stock in the aggregate, representing approximately 9.3% of the outstanding Common Stock.

11