Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ___)* Earthstone Energy, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 27032D304 (Cusip Number) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP No. 27032D304 Page 2 of 6 Pages 1. NAMES OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Investment Counselors of Maryland, LLC 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)[ ] (b)[ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 5. SOLE VOTING POWER NUMBER OF SHARES 1,070,061 BENEFICIALLY 6. SHARED VOTING POWER OWNED BY EACH 522,121 REPORTING 7. SOLE DISPOSITIVE POWER PERSON 1,592,182 WITH 8. SHARED DISPOSITIVE POWER -- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,592,182 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.27% 12. TYPE OF REPORTING PERSON* IA

CUSIP No. 27032D304 Page 4 of 6 Pages Item 4: Ownership: As of December 31, 2020: (a) Amount Beneficially Owned: 1,592,182 (b) Percent of class: 5.27% (c) Number of shares to which such person has: (i) Sole power to vote or to direct the vote: 1,070,061 (ii) Shared power to vote or to direct the vote: 522,121 (iii) Sole power to dispose or to direct the disposition of: 1,592,182 (iv) Shared power to dispose or to direct the disposition of: Item 5: Ownership of Five Percent of Less of Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following. [ ] Not applicable CUSIP No. 27032D304 Page 5 of 6 Pages Item 6: Ownership of More than Five Percent on Behalf of Another Person: All of the shares of Common Stock set forth in Item 4 are owned by various investment advisory clients of Investment Counselors of Maryland, LLC, which is deemed to be a beneficial owner of those shares pursuant to Rule 13d-3 under the Securities Exchange Act of 1934, due to its discretionary power to make investment decisions over such shares for its clients and its ability to vote such shares. In all cases, persons other than Investment Counselors of Maryland, LLC have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of the shares. No individual client holds more than five percent of the class. Item 7: Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: Not applicable. Item 8: Identification and Classification of Members of the Group: Not applicable Item 9: Notice of Dissolution of Group: Not applicable