X0306 4 2023-02-01 0 0000081362 QUAKER CHEMICAL CORP KWR 0001238141 BARRY MICHAEL F 8001 TWIN EAGLES LOOP REUNION FL 34747 1 0 0 0 Common Stock 2023-02-01 4 S 0 529 195.4253 D 101005 D Common Stock 2023-02-01 4 S 0 3651 196.6913 D 97354 D Common Stock 2023-02-01 4 S 0 2882 197.4311 D 94472 D Common Stock 2023-02-01 4 S 0 1400 198.535 D 93072 D Common Stock 2023-02-01 4 S 0 100 199.50 D 92972 D Common Stock 2023-02-01 4 S 0 200 200.91 D 92772 D Common Stock 2023-02-01 4 S 0 2301 202.6181 D 90471 D Common Stock 2023-02-01 4 S 0 3091 203.3017 D 87380 D Common Stock 2023-02-01 4 S 0 494 204.5841 D 86886 D Common Stock 2023-02-01 4 S 0 352 205.40 D 86534 D Common Stock 2023-02-02 4 M 0 6750 151.75 A 93284 D Common Stock 2023-02-02 4 F 0 5635 215.58 D 87649 D Common Stock 2023-02-02 4 M 0 14128 154.92 A 101777 D Common Stock 2023-02-02 4 F 0 11838 215.58 D 89939 D Common Stock 2023-02-02 4 M 0 16426 136.64 A 106365 D Common Stock 2023-02-02 4 F 0 12847 215.58 D 93518 D Employee Stock Option (right to buy) 151.75 2023-02-02 4 M 0 6750 0.00 D 2025-02-26 Common Stock 6750 0 D Employee Stock Option (right to buy) 154.92 2023-02-02 4 M 0 14128 0.00 D 2026-02-25 Common Stock 14128 0 D Employee Stock Option (right to buy) 136.64 2023-02-02 4 M 0 16426 0.00 D 2027-03-30 Common Stock 16426 8212 D The sale of shares reported for this transaction was effected pursuant to a Rule 10b5-1 Plan entered into by reporting person on November 29, 2022. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.91 to $195.89, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.00 to $196.96, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.95, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.06 to $199.01, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (5) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.79 to $201.03, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (6) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.03 to $203.02, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (7) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.03 to $203.98, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (8) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.07 to $205.02, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (9) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.13 to $205.88, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (10) to this Form 4. The options for this grant vested in three annual installments: 6,751 shares on February 26, 2019; 6,750 shares on February 26, 2020; and 6,750 shares on February 26, 2021. The options for this grant vested in three annual installments: 7,065 shares on February 25, 2020; 7,064 shares on February 25, 2021; and 7,064 shares on February 25, 2022. The options for this grant vest in three annual installments: 8,213 shares on March 30, 2021; 8,213 shares on March 30, 2022; and 8,212 shares on March 30, 2023. Victoria K. Gehris, Attorney-in-Fact for Michael F. Barry 2023-02-03