Sec Form 3 Filing - Dere Construction Taahhut A.S. @ TPI COMPOSITES, INC - 2024-06-21

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 Dere Construction Taahhut A.S. 2. Issuer Name and Ticker or Trading Symbol TPI COMPOSITES, INC [ TPIC] 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) AKDENIZ MAH, CUMHURIYET BULVARI,, BULVAR IS HANI 109/27, 35210 KONAK 3. Date of Earliest Transaction (MM/DD/YY) 06/21/2024 (Street) IZMIR, W8 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 332,754 D ( 1 ) ( 5 ) Common Stock 4,440,265 D ( 2 ) ( 5 ) Common Stock 26,375 D ( 3 ) ( 5 ) Common Stock 100 D ( 4 ) ( 5 )

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 Dere Construction Taahhut A.S. AKDENIZ MAH, CUMHURIYET BULVARI, BULVAR IS HANI 109/27, 35210 KONAK IZMIR, W8 X Turan Zeki Bora AKDENIZ MAH, CUMHURIYET BULVARI, BULVAR IS HANI 109/27, 35210 KONAK IZMIR, W8 X Birhekimoglu Emre AKDENIZ MAH, CUMHURIYET BULVARI, BULVAR IS HANI 109/27, 35210 KONAK IZMIR, W8 X Kirmizioglu Alp 67 THE PRADO NE ATLANTA, GA30309 X Signatures DERE CONSTRUCTION TAAHHUT A.S. By: /s/ Zeki Bora Turan Name: Zeki Bora Turan Title: Chairman of the Board 02/14/2025 Signature of Reporting Person Date /s/ Zeki Bora Turan 02/14/2025 Signature of Reporting Person Date /s/ Emre Birhekimoglu 02/14/2025 Signature of Reporting Person Date /s/ Alp Kirmizioglu 02/14/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares of issuer common stock ("Common Stock") are held directly by Dere Construction Taahhut A.S. ("Dere Construction"). ( 2 )These shares of Common Stock are held directly by Mr. Zeki Bora Turan. ( 3 )These shares of Common Stock are held directly by Mr. Emre Birhekimoglu. ( 4 )These shares of Common Stock are held directly by Mr. Alp Kirmizioglu. ( 5 )Mr. Turan is the Chairman of the Board of Dere Construction and Mr. Birhekimoglu is the Commercial Manager of Dere Construction. By virtue of these and other relationships and pursuant to the SEC's beneficial ownership rules, the Reporting Persons may be deemed to be members of a group.

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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