CARY, N.C.–(BUSINESS WIRE)– Cornerstone Building Brands, Inc. (NYSE: CNR) (the “Company”), the largest manufacturer of exterior building products, today announced its intention to amend and refinance its senior credit facilities, upsize, amend and extend the exiting Term Loan B, and pay down the existing 8.00% senior unsecured notes with cash from the balance sheet and proceeds from the upsized facility.