ISS Concludes Current Offer from Frontier is Preferable for Spirit Stockholders and Recognizes JetBlue's All-Cash Offer Limits Potential Upside With Favorable Recommendation from Glass Lewis & Co., Both Independent Proxy Advisory Firms Now Recommend FOR the Merger of Spirit and Frontier Spirit Board of Directors Continues to Unanimously Recommend Stockholders Vote FOR the Merger with Frontier on the WHITE Proxy Card Special Meeting of Spirit Stockholders to be Held on June 30, 2022 …
