Exhibit 99.1 Investor Inquiries: Media Inquiries: John Huyette Heather Beardsley +1 610-208-2061 +1 610-208-2278 jhuyette@cartech.com hbeardsley@cartech.com CARPENTER TECHNOLOGY REPORTS THIRD QUARTER FISCAL YEAR 2024 RESULTS Exceeded Third Quarter Operating Income Guidance Increasing Fourth Quarter Operating Income Outlook Generated Positive Free Cash Flow PHILADELPHIA – May 1, 2024 – Carpenter Technology Corporation (NYSE: CRS) (the “Company”) today announced financial results for the fiscal third quarter ...