Sec Form 4 Filing - ADAMS STREET PARTNERS LLC @ Rimini Street, Inc. - 2019-01-02

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ADAMS STREET PARTNERS LLC 2. Issuer Name and Ticker or Trading Symbol Rimini Street, Inc. [ RMNI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE NORTH WACKER DRIVE, STE 2700 3. Date of Earliest Transaction (MM/DD/YY) 01/02/2019 (Street) CHICAGO, IL60606 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 4,360,765 I See Footnote ( 1 ) Common Stock 4,915,325 I See Footnote ( 2 ) Common Stock 4,306,549 I See Footnote ( 3 ) Common Stock 1,313,301 I See Footnote ( 4 ) Common Stock 1,786,318 I See Footnote ( 5 ) Common Stock 1,371,200 I See Footnote ( 6 ) Common Stock 1,353,906 I See Footnote ( 7 ) Common Stock 3,982,079 I See Footnote ( 8 ) Common Stock 288,559 I See Footnote ( 9 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 10 ) 01/02/2019 A 27,829 ( 11 ) ( 11 ) Common Stock 27,829 $ 0 27,829 I See Footnote ( 12 ) ( 13 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ADAMS STREET PARTNERS LLC ONE NORTH WACKER DRIVE STE 2700 CHICAGO, IL60606 X Signatures /s/ Sara Robinson Dasse 01/04/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares held directly by Adams Street 2007 Direct Fund, L.P. ("AS 2007"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2007, may be deemed to beneficially own the shares held by AS 2007. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2007. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2007 except to the extent of their pecuniary interest therein. ( 2 )Represents shares held directly by Adams Street 2008 Direct Fund, L.P. ("AS 2008"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2008, may be deemed to beneficially own the shares held by AS 2008. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2008. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2008 except to the extent of their pecuniary interest therein. ( 3 )Represents shares held directly by Adams Street 2009 Direct Fund, L.P. ("AS 2009"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2009, may be deemed to beneficially own the shares held by AS 2009. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2009. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2009 except to the extent of their pecuniary interest therein. ( 4 )Represents shares held directly by Adams Street 2013 Direct Fund LP ("AS 2013"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2013, may be deemed to beneficially own the shares held by AS 2013. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2013. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2013 except to the extent of their pecuniary interest therein. ( 5 )Represents shares held directly by Adams Street 2014 Direct Fund LP ("AS 2014"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2014, may be deemed to beneficially own the shares held by AS 2014. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2014. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2014 except to the extent of their pecuniary interest therein. ( 6 )Represents shares held directly by Adams Street 2015 Direct Venture/Growth Fund LP ("AS 2015"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2015, may be deemed to beneficially own the shares held by AS 2015. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2015. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2015 except to the extent of their pecuniary interest therein. ( 7 )Represents shares held directly by Adams Street 2016 Direct Venture/Growth Fund LP ("AS 2016"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2016, may be deemed to beneficially own the shares held by AS 2016. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2016. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2016 except to the extent of their pecuniary interest therein. ( 8 )Represents shares held directly by Adams Street Venture/Growth Fund VI LP ("AS VGVI"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS VGVI, may be deemed to beneficially own the shares held by AS VGVI. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS VGVI. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS VGVI except to the extent of their pecuniary interest therein. ( 9 )Represents shares held directly by Adams Street Rimini Aggregator LLC ("ASRA"). Adams Street Partners, LLC, as the manager of ASRA, may be deemed to beneficially own the shares held by ASRA. David Brett, Elisha P. Gould, Sachin Tulyani and Craig D. Waslin, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by ASRA. Adams Street Partners, LLC and David Brett, Elisha P. Gould, Sachin Tulyani and Craig D. Waslin disclaim beneficial ownership of the shares held by ASRA except to the extent of their pecuniary interest therein. ( 10 )Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock upon vesting. ( 11 )100% of the Restricted Stock Units awarded will vest on January 2, 2020, contingent upon Robin Murray's continued service as a member of the Issuer's Board of Directors through such date. ( 12 )These Restricted Stock Units were granted to Robin Murray, a director of the Issuer, who is a partner of Adams Street Partners, LLC. Adams Street Partners, LLC is the managing member of the general partner of AS 2007, AS 2008 and AS 2009, the managing member of the general partner of the general partner of each of AS 2013, AS 2014, AS 2015, AS 2016 and AS VGVI (collectively, the "Funds"), and the manager of ASRA. By agreement with the Funds, Mr. Murray is deemed to hold the Restricted Stock Units for the benefit of the Funds. ( 13 )The Restricted Stock Units may be deemed to be indirectly beneficially owned by Adams Street Partners, LLC. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), disclaim beneficial ownership of the Restricted Stock Units except to the extent of their pecuniary interest therein.

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