CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-237964 and 333-271509) of ÁñÁ«ÊÓƵ of our report dated June 27, 2023 relating to the financial statements and supplemental schedule of the ÁñÁ«ÊÓƵ 401(k) Plan for USW-Represented Employees which appears in this Form 11-K.
/s/PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania June 27, 2023
PricewaterhouseCoopers LLP, PricewaterhouseCoopers Center, 301 Grant Street, Pittsburgh, PA 15219
