X0306 4 2021-05-27 0 0000943452 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WAB 0001599216 Mastalerz John A Jr 30 ISABELLA ST. PITTSBURGH PA 15212 0 1 0 0 VP Fin., Corp. Controller, CAO Common Stock - Direct 2021-05-27 4 M 0 333 66.77 A 20520 D Common Stock - Direct 2021-05-27 4 M 0 933 70.635 A 21453 D Common Stock - Direct 2021-05-27 4 M 0 1050 71.79 A 22503 D Common Stock - Direct 2021-05-27 4 M 0 787 61.33 A 23290 D Common Stock - Direct 2021-05-27 4 S 0 3103 82.53 D 20187 D Non Qualified Stock Option 61.33 2021-05-27 4 M 0 787 0.00 D 2020-03-01 2026-02-09 Common Stock 787 0 D Non-Qualified Stock Option 71.79 2021-05-27 4 M 0 1050 0.00 D 2022-03-01 2028-02-06 Common Stock 1050 350 D Non-Qualified Stock Options 70.64 2021-05-27 4 M 0 933 0.00 D 2022-03-01 2029-03-06 Common Stock 933 467 D Non-Qualified Stock Option 66.77 2021-05-27 4 M 0 333 0.00 D 2022-03-01 2029-05-17 Common Stock 333 167 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.44 to $82.775 inclusive. The reporting person undertakes to provide to Westinghouse Air Brake Technologies Corporation ("Wabtec"), any security holder of Wabtec, 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 range set forth in footnote (1) to this Form 4. Options vest 25% per year beginning March 1, 2019. Options vest 33.3% per year beginning March 1, 2020. David L. DeNinno, POA for John Mastalerz 2021-05-28