Promigas S.A. E.S.P. announced that after 26 years as President of the company and 33 with the company, Antonio Celia Martínez announced at the Board of Directors session held on April 24, 2018, that he has decided to retire in September this year. His replacement will be announced in due course, after the succession plans that the Board of Directors' Compensation and Development Committee periodically reviews have been consulted. Mr. Celia will remain at the head of the company until the corresponding transition has taken place.