1、Table of Contents UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 Form 10-K xx ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACTOF 1934 For the fiscal year ended December 31,2018 OR oo TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EX
2、CHANGE ACTOF 1934 For the transition period from to .Commission File Number:001-35512 MIDSTATES PETROLEUM COMPANY,INC.(Exact name of registrant as specified in its charter)Delaware45-3691816(State or other jurisdiction of(I.R.S.Employerincorporation or organization)Identification No.)321 South Bosto
3、n Avenue,Suite 1000 Tulsa,Oklahoma74103(Address of principal executive offices)(Zip Code)Registrants telephone number,including area code:(918)947-8550 Securities registered pursuant to Section 12(b)of the Act:Common stock,$0.01 par valueNew York Stock Exchange(Title of each class)(Name of each exch
4、ange on which registered)Securities registered pursuant to Section 12(g)of the Act:None Indicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes o No x Indicate by check mark if the registrant is not required to file reports pursuant t
5、o Section 13 or Section 15(d)of the Act.Yes o No x Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities ExchangeAct of 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file
6、 such reports),and(2)has been subject tosuch filing requirements for the past 90 days.Yes x No o Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T(232.405 of this chapter)during the pr