3 Min Read (Reuters) - Rolls-Royce said on Thursday it had extended an exclusive deal to provide engines for the Airbus A350-900 to 2030, cementing its alliance with the European plane maker and deferring a potential challenge from rival General Electric. FILE PHOTO: Rolls Royce Trent XWB engines, designed specifically for the Airbus A350 family of aircraft, are seen on the assembly line at the Rolls Royce factory in Derby, November 30, 2016. REUTERS/Paul Ellis/Pool Rolls already had a formal exclusive agreement to provide Trent XWB-family engines on the larger A350-1000 wide-body jet, and held what industry sources have described as “de facto” exclusivity on the stronger-selling A350-900 until 2025.