X0508 4 2024-08-01 0000017843 CARPENTER TECHNOLOGY CORP CRS 0001579848 LAIN TIMOTHY C/O CARPENTER TECHNOLOGY CORPORATION 1735 MARKET STREET, 15TH FL PHILADELPHIA PA 19103 0 1 0 0 SVP and CFO 0 Common Stock 2024-08-01 4 M 0 2255 53.95 A 94110.73 D Common Stock 2024-08-01 4 F 0 1445 143.94 D 92665.73 D Common Stock 3097 I By 401k Retirement Plan Employee Stock Option (Right to Buy) 53.95 2024-08-01 4 M 0 2255 D 2024-08-01 Common Stock 2255 0 D Includes shares acquired under the Retirement Plan of Carpenter Technology Corporation. The share balance under the Retirement Plan of Carpenter Technology fluctuates due to rounding differences produced by the Plan's method of estimating shares. Automatic Exercise completed before expiration pursuant to terms contained in the Award Agreement. Stock Option Award became exercisable in equal installments on each of August 1, 2015, 2016 and 2017. The reporting person was granted an option to buy shares of common stock under the Carpenter Technology Corporation Stock-Based Incentive Compensation Plan for Officers and Key Employees. James D. Dee/POA 2024-08-05