(Telecompaper) New Zealand operator Chorus announced that Kate McKenzie is to step down as CEO and Managing Director at the end of 2019. She plans to return to Australia after three years in the role of CEO. The announcement came alongside annual results for the company showing EBITDA down in line with guidance and strong take-up on the national fibre network. Chorus said it aims to return to EBITDA growth in the new year as it starts looking at winding down parts of the copper network.