X0609 4 2026-06-11 0 0001842279 OPAL Fuels Inc. OPAL 0001642832 Sutton Scott McDougald false ONE NORTH LEXINGTON AVENUE (14TH FLOOR) WHITE PLAINS NY 10601 1 0 0 0 0 Class A common stock 2026-06-11 4 P 0 50000 1.95 A 50000 D The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ John Coghlin, by power of attorney from Scott Sutton 2026-06-15