March 16 (Reuters) - Megafon:
* Will consider sale of its mobile masts in 2019, Chief Operating Office Anna Serebryanikova said on Thursday.
* Megafon will transfer more than 15,000 telecoms masts to one of its subsidiaries in summer 2017 before potential sale.
* "In 2019 we'll be ready to consider offers (to sell the unit)," Serebryanikova told reporters.
* Megafon announced in 2015 it was setting up a 100-percent subsidiary to own its mobile masts. Further company coverage: (Reporting by Anastasia Teterevleva)