Sec Form 4 Filing - Gaug Joseph M @ ALBANY INTERNATIONAL CORP /DE/ - 2024-02-23

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 Gaug Joseph M 2. Issuer Name and Ticker or Trading Symbol ALBANY INTERNATIONAL CORP /DE/ [ AIN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP-General Counsel & Secretary (Last) (First) (Middle) C/O ALBANY INTERNATIONAL CORP., 216 AIRPORT DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 02/23/2024 (Street) ROCHESTER, NH03867 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 Class A Common Stock 3,684 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 Phantom Stock Units ( 1 ) ( 1 ) 03/01/2020( 1 )( 2 ) ( 1 )( 2 ) Class A Common Stock 462 462 D Phantom Stock Units ( 3 ) ( 3 ) 03/01/2021( 3 )( 4 ) ( 3 )( 4 ) Class A Common Stock 926 926 D Restricted Stock Units ( 5 ) ( 5 ) 03/01/2023( 5 )( 6 ) ( 5 )( 6 ) Class A Common Stock 1,282 1,282 D Restricted Stock Units ( 7 ) ( 7 ) 03/01/2024( 7 )( 8 ) ( 7 )( 8 ) Class A Common Stock 2,122 2,122 D Restricted Stock Units ( 9 ) ( 9 ) 02/23/2024 A 2,714 03/01/2025( 9 )( 10 ) ( 9 )( 10 ) Class A Common Stock 2,714 $ 0 ( 9 ) 2,714 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Gaug Joseph M C/O ALBANY INTERNATIONAL CORP. 216 AIRPORT DRIVE ROCHESTER, NH03867 VP-General Counsel & Secretary Signatures Cynthia A. SantaBarbara, Attorney-in-Fact 02/26/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Phantom Stock Units granted on February 20, 2020 pursuant to the Phantom Stock Unit Plan. Each Phantom Stock Unit entitles the holder to receive the cash equivalent of one share of Class A Common Stock at the time of vesting. ( 2 )461 Phantom Stock Units will be settled and payable each year on or about March 1, beginning March 1, 2020. ( 3 )Phantom Stock Units granted on February 18, 2021 pursuant to the Phantom Stock Unit Plan. Each Phantom Stock Unit entitles the holder to receive the cash equivalent of one share of Class A Common Stock at the time of vesting. ( 4 )463 Phantom Stock Units will be settled and payable each year on or about March 1, beginning March 1, 2021. ( 5 )Restricted Stock Units granted February 25, 2022 pursuant to the Albany International Corp. 2017 Incentive Plan. Each Restricted Stock Unit entitles the holder to receive one share of Class A Common Stock at the time of vesting. ( 6 )641 Restricted Stock Units vest on March 1, 2023; 641 Restricted Stock Units vest on March 1, 2024; and 641 Restricted Stock Units vest on March 1, 2025. ( 7 )Restricted Stock Units granted February 24, 2023 pursuant to the Albany International Corp. 2017 Incentive Plan. Each Restricted Stock Unit entitles the holder to receive one share of Class A Common Stock at the time of vesting. ( 8 )708 Restricted Stock Units vest on March 1, 2024; 707 Restricted Stock Units vest on March 1, 2025; and 707 Restricted Stock Units vest on March 1, 2026. ( 9 )Restricted Stock Units granted February 23, 2024 pursuant to the Albany International Corp. 2023 Incentive Plan. Each Restricted Stock Unit entitles the holder to receive one share of Class A Common Stock at the time of vesting. ( 10 )905 Restricted Stock Units vest on March 1, 2025; 905 Restricted Stock Units vest on March 1, 2026; and 904 Restricted Stock Units vest on March 1, 2027.

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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