# EDGAR Filing Document

**Accession Number:** 0001783455
**File Stem:** 0001104659-26-067491
**Filing Date:** 2026-5
**Character Count:** 15711
**Document Hash:** 08a2b95b0b292d376a77d74e5abd4bcd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-067491.hdr.sgml**: 20260528

**ACCESSION NUMBER**: 0001104659-26-067491

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260526

**FILED AS OF DATE**: 20260528

**DATE AS OF CHANGE**: 20260528

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gulf Hungary Holding Korlatolt Felelossegu Tarsasag
- **CENTRAL INDEX KEY:** 0001783455

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** K5
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-12019
- **FILM NUMBER:** 261035723

**BUSINESS ADDRESS:**
- **STREET 1:** FURJ UTCA 2
- **CITY:** BUDAPEST
- **STATE:** K5
- **ZIP:** 1124
- **BUSINESS PHONE:** 36-1-6464628

**MAIL ADDRESS:**
- **STREET 1:** FURJ UTCA 2
- **CITY:** BUDAPEST
- **STATE:** K5
- **ZIP:** 1124
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** QUAKER CHEMICAL CORP
- **CENTRAL INDEX KEY:** 0000081362
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS PRODUCTS OF PETROLEUM &  COAL [2990]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 230993790
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** ONE QUAKER PARK
- **STREET 2:** 901 HECTOR STREET
- **CITY:** CONSHOHOCKEN
- **STATE:** PA
- **ZIP:** 19428
- **BUSINESS PHONE:** 6108324000

**MAIL ADDRESS:**
- **STREET 1:** ONE QUAKER PARK
- **STREET 2:** 901 HECTOR ST
- **CITY:** CONSHOHOCKEN
- **STATE:** PA
- **ZIP:** 19428

## Exhibit 99.1

**Exhibit 99.1**

**Note 1.**

On May 26, 2026, QH Hungary Holdings Limited ("<u>QH Hungary</u>"), a wholly owned subsidiary of Gulf Hungary Holding Korlatolt Felelossegu Tarsasag ("<u>Gulf Hungary</u>" or the "<u>Reporting Person</u>"), amended and restated seven existing and previously reported variable prepaid forward sale contracts ("<u>VPFs</u>") (five with Citibank N.A. ("<u>Citibank</u>") (the "<u>Citi A&R VPFs</u>") and two with the Royal Bank of Canada ("<u>RBC</u>") ("the "<u>RBC A&R VPFs</u>")), described in more detail as follows.

**Amended and Restated VPFs**:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) The first of the amended and restated VPFs was originally entered into with Citibank on May 26, 2020 and amended and restated on March
9, 2021, November 24, 2021, August 10, 2022, March 6, 2023, May 22, 2024, November 22, 2024 and May 26, 2026 (" <u>Citi VPF No. 2</u> ")
and covers a maximum aggregate amount of 105,002 shares divided into three tranches, with tranche 1 (which was not amended on May 26,
2026) comprised of 50 components of 1,070 shares each for a total of 53,500 shares, tranche 2 comprised of 25 components (23 components
of 700 shares each and 2 components of 701 shares each) for a total of 17,502 shares, and tranche 3 (which was not amended on May 26,
2026) comprised of 75 components (50 components of 453 shares each and 25 components of 454 shares each) for a total of 34,000 shares.
See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) The second of the amended and restated VPFs was originally entered into with Citibank on August 27, 2020 and amended and restated
on August 10, 2022, May 22, 2024 and May 26, 2026 (" <u>Citi VPF No. 3</u> ") and covers a maximum aggregate amount of 60,000
shares divided into 25 components of 2,400 shares each. See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) The third of the amended and restated VPFs was originally entered into with Citibank on March 9, 2021 and amended and restated on
August 10, 2022, May 22, 2024 and May 26, 2026 (" <u>Citi VPF No. 5</u> ") and covers a maximum aggregate amount of 19,732 shares
divided into 18 components of 789 shares each and 7 components of 790 shares each. See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) The fourth of the amended and restated VPFs was originally entered into with JPMorgan Chase Bank, National Association on August 27,
2020 and amended and restated and novated to Citibank on August 10, 2022, and further amended and restated on May 22, 2024 and May 26,
2026 (" <u>Citi VPF No. 6</u> ") and covers a maximum aggregate amount of 140,000 shares divided into 25 components of 5,600
shares each. See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) The fifth of the amended and restated VPFs was originally entered into with JPMorgan Chase Bank, National Association on March 9,
2021 and amended and restated and novated to Citibank on August 10, 2022, and further amended and restated on May 22, 2024 and May 26,
2026 (" <u>Citi VPF No. 7</u> ") and covers a maximum aggregate amount of 10,296 shares divided into 21 components of 412 shares
each and 4 components of 411 shares each. See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) The sixth of the amended and restated VPFs was originally entered into with RBC on May 26, 2020 and amended and restated on March
9, 2021, November 24, 2021, August 10, 2022, March 6, 2023, May 22, 2024, November 22, 2024 and May 26, 2026 (" <u>RBC VPF No. 1</u> ")
and covers a maximum aggregate amount of 105,002 shares divided into three tranches, with tranche 1 (which was not amended on May 26,
2026) comprised of 50 components of 1,070 shares each for a total of 53,500 shares, tranche 2 comprised of 25 components (23 components
of 700 shares each and 2 components of 701 shares each) for a total of 17,502 shares, and tranche 3 (which was not amended on May 26,
2026) comprised of 75 components (50 components of 453 shares each and 25 components of 454 shares each) for a total of 34,000 shares.
See note 2 below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) The seventh of the amended and restated VPFs was originally entered into with RCB on March 9, 2021 and amended and restated on August
10, 2022, May 22, 2024 and May 26, 2026 (" <u>RBC VPF No. 3</u> ") and covers a maximum aggregate amount of 8,580 shares divided
into 20 components of 343 shares each and 5 components of 344 shares each. See note 2 below.

**Note 2.** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) With respect to each of the amended and restated VPFs described above in clauses (a) through (g) of note 1 above, for each component, QH Hungary is obligated to deliver on the settlement date for such component determined based on the specified scheduled valuation date within the period from June 1, 2028 to July 7, 2028 for the Citi VPF No. 2 (only with respect to tranche 2), Citi VPF No. 3, Citi VPF No. 5, Citi VPF No. 6, Citi VPF No. 7, RBC VPF No. 3, and RBC VPF No. 1 (only with respect to tranche 2) either, at QH Hungary's option, (i) up to the maximum number of shares of such component (such maximum number of shares with respect to each component (the "<u>Subject Number</u>") based on the average market price of the shares determined as described below in note 2(b) below or (ii) an amount of cash equivalent to the value of the shares to be delivered in the preceding clause (i).

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) The number of shares (or, at QH Hungary's option, the cash equivalent) to be delivered to the applicable bank on each settlement date is to be determined as follows: (a) if the volume-weighted average price per share on the relevant valuation date, as reasonably determined by the applicable bank in accordance with the applicable VPF (the "<u>Settlement Price</u>") is equal to or less than $141.8400 per share for each of the Citi A&R VPFs and the RBC A&R VPFs (for this clause 2(b) only, the "<u>Forward Floor Price</u>"), QH Hungary will deliver to the applicable bank the Subject Number of shares; (b) if the Settlement Price is between the Forward Floor Price and $156.0200 per share for the Citi A&R VPFs (for this clause 2(b) only, the "<u>Citi Forward Cap Price</u>") and $156.0240 for the RBC A&R VPFs (for this clause 2(b) only, the "<u>RBC Forward Cap Price</u>" and, together with the Citi Forward Cap Price, the "<u>Forward Cap Price</u>"), QH Hungary will deliver to the applicable bank a number of shares equal to the Subject Number multiplied by a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price; and (c) if the Settlement Price is greater than the respective Forward Cap Price, QH Hungary will deliver to the applicable bank a number of shares equal to the product of (i) the Subject Number and (ii) a fraction (A) the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the respective Forward Cap Price, and (B) the denominator of which is the Settlement Price.

**Note 3.** 

The Reporting Person continues to directly hold 5,017 shares of common stock of the Issuer.

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gulf Hungary Holding Korlatolt Felelossegu Tarsasag<br><sub>(Last) (First) (Middle)</sub><br>BAH CENTER, 2 FURJ STREET<br><sub>(Street)</sub><br>BUDAPEST, HUNGARY 1124<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>QUAKER CHEMICAL CORP [ KWR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Variable Prepaid Forward Sale Contract | <sup>(1)(2)</sup> | 2026-05-26 |  | J<sup>(1)(2)</sup> |  | 17502 |  | <sup>(1)(2)</sup> | <sup>(1)(2)</sup> | Common Stock | 17502 | <sup>(1)(2)</sup> | 17502 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(1)(2)</sup> | 2026-05-26 |  | J<sup>(1)(2)</sup> |  | 34000 |  | <sup>(1)(2)</sup> | <sup>(1)(2)</sup> | Common Stock | 34000 | <sup>(1)(2)</sup> | 34000 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(3)</sup> | 2026-05-26 |  | J<sup>(2)(3)</sup> |  | 60000 |  | <sup>(2)(3)</sup> | <sup>(2)(3)</sup> | Common Stock | 60000 | <sup>(2)(3)</sup> | 60000 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(4)</sup> | 2026-05-26 |  | J<sup>(2)(4)</sup> |  | 19732 |  | <sup>(2)(4)</sup> | <sup>(2)(4)</sup> | Common Stock | 19732 | <sup>(2)(4)</sup> | 19732 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(5)</sup> | 2026-05-26 |  | J<sup>(2)(5)</sup> |  | 140000 |  | <sup>(2)(5)</sup> | <sup>(2)(5)</sup> | Common Stock | 140000 | <sup>(2)(5)</sup> | 140000 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(6)</sup> | 2026-05-26 |  | J<sup>(2)(6)</sup> |  | 10296 |  | <sup>(2)(6)</sup> | <sup>(2)(6)</sup> | Common Stock | 10296 | <sup>(2)(6)</sup> | 10296 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(7)</sup> | 2026-05-26 |  | J<sup>(2)(7)</sup> |  | 17502 |  | <sup>(2)(7)</sup> | <sup>(2)(7)</sup> | Common Stock | 17502 | <sup>(2)(7)</sup> | 17502 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(7)</sup> | 2026-05-26 |  | J<sup>(2)(7)</sup> |  | 34000 |  | <sup>(2)(7)</sup> | <sup>(2)(7)</sup> | Common Stock | 34000 | <sup>(2)(7)</sup> | 34000 | I | By QH Hungary Holdings Limited |
| Variable Prepaid Forward Sale Contract | <sup>(2)(8)</sup> | 2026-05-26 |  | J<sup>(2)(8)</sup> |  | 8580 |  | <sup>(2)(8)</sup> | <sup>(2)(8)</sup> | Common Stock | 8580 | <sup>(2)(8)</sup> | 8580 | I | By QH Hungary Holdings Limited |

---

### Footnotes:

(1) See Note 1 and 1(a) in Exhibit 99.1.

(2) See Note 2 in Exhibit 99.1.

(3) See Note 1 and 1(b) in Exhibit 99.1.

(4) See Note 1 and 1(c) in Exhibit 99.1.

(5) See Note 1 and 1(d) in Exhibit 99.1.

(6) See Note 1 and 1(e) in Exhibit 99.1.

(7) See Note 1 and 1(f) in Exhibit 99.1.

(8) See Note 1 and 1(g) in Exhibit 99.1.

**Remarks:**
Exhibit 99.1 - Explanation of Responses.

**Signature:** /s/ Michael Kelleher, Managing Director of the Reporting Person  
**Date:** 2026-05-28

**Signature:** /s/ Judit Rozsa, Managing Director of the Reporting Person  
**Date:** 2026-05-28

### Remarks:

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**