Sec Form 3 Filing - Prohl Kristen @ UNISYS CORP - 2023-08-07

FORM 3 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 Prohl Kristen 2. Issuer Name and Ticker or Trading Symbol UNISYS CORP [ UIS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP, GC, Secretary & CAO (Last) (First) (Middle) C/O UNISYS CORPORATION, 801 LAKEVIEW DRIVE, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 08/07/2023 (Street) BLUE BELL, PA19422 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

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 Units ( 1 ) $ 0 ( 2 ) ( 2 ) Common Stock 21,848 D TSR Restricted Stock Units ( 1 ) $ 0 ( 3 ) ( 3 ) Common Stock 6,555 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Prohl Kristen C/O UNISYS CORPORATION 801 LAKEVIEW DRIVE, SUITE 100 BLUE BELL, PA19422 SVP, GC, Secretary & CAO Signatures Natasha Redding, attorney-in-fact 08/16/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents a contingent right to receive one share of Unisys Corporation common stock. ( 2 )Time-based restricted stock units ("TB-RSUs") granted on August 1, 2023, under the Unisys Corporation 2023 Long-Term Incentive and Equity Compensation Plan. The TB-RSUs vest in three equal installments on August 3, 2024, 2025, and 2026 respectively (or if such date does not fall on a trading day, the immediately preceding trading day). ( 3 )TSR-based restricted stock units ("TSR Based-RSUs") granted on August 1, 2023, under the Unisys Corporation 2023 Long-Term Incentive and Equity Compensation Plan. The TSR Based-RSUs are eligible to be earned in equal annual amounts over a three year period based on Unisys Corporation's relative total shareholder return ("rTSR") compared to the Russell 2000 Index (inclusive of dividends and stock splits) from January 1, 2023 through December 31, 2023, 2024 and 2025, respectively, and then such TSR Based-RSUs vest on the later of the respective anniversary date of the grant and the date on which the Compensation Committee certifies the achievement of the goals of the applicable tranche of the TSR Based-RSU grant. The payout ranges from 0 to 200% of target based on the rTSR from a percentile positioning perspective among the constituent companies of the Russell 2000 Index. Amount reported is target TSR Based-RSUs issuable.

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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