Sec Form 4 Filing - Mironov Jason @ ZoomInfo Technologies Inc. - 2021-09-03

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 Mironov Jason 2. Issuer Name and Ticker or Trading Symbol ZoomInfo Technologies Inc. [ ZI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ZOOMINFO TECHNOLOGIES, INC., 805 BROADWAY STREET, SUITE 900 3. Date of Earliest Transaction (MM/DD/YY) 09/03/2021 (Street) VANCOUVER, WA98660 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)

Class A Common Stock 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 Class A Common Stock 09/03/2021 S 400,537 A $ 65.7367 ( 1 ) 32,204,751 I See Footnotes ( 2 ) ( 3 ) Class A Common Stock 09/03/2021 S 10,340 A $ 65.7367 ( 1 ) 831,377 I See Footnotes ( 3 ) ( 4 ) Class A Common Stock 09/03/2021 S 69,173 A $ 65.7367 ( 1 ) 5,561,728 I See Footnotes ( 3 ) ( 5 ) Class A Common Stock 09/03/2021 S 14,876 A $ 65.7367 ( 1 ) 1,196,069 I See Footnotes ( 3 ) ( 6 ) Class A Common Stock 09/03/2021 S 494 A $ 65.7367 ( 1 ) 40,898 I See Footnotes ( 3 ) ( 7 ) Class A Common Stock 09/03/2021 S 26,193 A $ 65.7367 ( 1 ) 2,168,357 I See Footnotes ( 3 ) ( 8 ) 09/03/2021 S 23,500 A $ 65.7367 ( 1 ) 1,947,341 I See Footnotes ( 3 ) ( 9 ) Class A Common Stock 09/03/2021 S 1,976 A $ 65.7367 ( 1 ) 158,854 I See Footnotes ( 3 ) ( 10 ) Class A Common Stock 09/03/2021 S 104,772 A $ 65.7367 ( 1 ) 8,424,080 I See Footnotes ( 3 ) ( 11 ) Class A Common Stock 09/03/2021 S 93,999 A $ 65.7367 ( 1 ) 7,557,842 I See Footnotes ( 3 ) ( 12 ) Class A Common Stock 11,277 I By Trust Class A Common Stock 479 D

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mironov Jason C/O ZOOMINFO TECHNOLOGIES, INC. 805 BROADWAY STREET, SUITE 900 VANCOUVER, WA98660 X Signatures /s/ Jason Mironov 09/08/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $66.58. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price. ( 2 )Securities are held by TA XI DO AIV, L.P. ("XI DO AIV"). ( 3 )TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest in such securities, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose. ( 4 )Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO"). ( 5 )Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A"). ( 6 )Securities are held by TA Investors IV, L.P. ("Investors IV"). ( 7 )Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II"). ( 8 )Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II"). ( 9 )Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B"). ( 10 )Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder"). ( 11 )Securities are held by TA XI DO Feeder, L.P ("XI DO"). ( 12 )Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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