Sec Form 4 Filing - Tchobanova Boriana @ Global Business Travel Group, Inc. - 2022-05-27

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 Tchobanova Boriana 2. Issuer Name and Ticker or Trading Symbol Global Business Travel Group, Inc. [ GBTG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Transformation Officer (Last) (First) (Middle) C/O GLOBAL BUSINESS TRAVEL GROUP, INC., 666 THIRD AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 05/27/2022 (Street) NEW YORK, NY10017 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 Employee Stock Option (right to buy) $ 10.03 05/27/2022 A( 1 ) 124,317 ( 2 ) 12/02/2031 Class A Common Stock 124,317 ( 1 ) 124,317 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Tchobanova Boriana C/O GLOBAL BUSINESS TRAVEL GROUP, INC. 666 THIRD AVENUE NEW YORK, NY10017 Chief Transformation Officer Signatures /s/ Jennifer Giampietro, as Attorney-in-Fact 06/01/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents equity awards granted by GBT JerseyCo Limited ("GBT") that have been converted into equity awards of Apollo Strategic Growth Capital (which subsequently changed its name to "Global Business Travel Group, Inc.", the "Issuer") pursuant to the terms of the business combination agreement, dated as of December 2, 2021, entered into by and between GBT and the Issuer (the "Business Combination Agreement"), pursuant to which the Issuer acquired GBT (the "Business Combination"). The Business Combination closed on May 27, 2022. ( 2 )Represents stock options originally granted by GBT on December 2, 2021 and that vest in three equal annual installments beginning on December 2, 2022.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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