The story
Celltel and Tigo
Celltel was founded on 18 June 1989 on a Motorola TACS system, becoming the first cellular network in Sri Lanka and 36th operator in world. It was then re-branded by Millicom International in January 2007, as Tigo (Sri Lanka). then it was acquired by Etisalat.
Acquisition by Etisalat
Etisalat acquired Sri Lankan operations of Millicom International (Tigo Sri Lanka). The acquisition was completed with a total enterprise value of 207 Million US$, out of which 155 Million US$ was in cash. Etisalat changed the Operator/Brand Name Tigo to Etisalat on 25 February 2010.
Acquisition by Hutch
In April 2018 CK Hutchison Holdings and Etisalat Group have entered into a definitive agreement to merge their mobile telecommunications businesses in Sri Lanka. Upon completion of the transaction, CKHH Group will have the majority and controlling stake in the combined entity. CK Hutchison completed the acquisition of Etisalat Lanka on 30 November 2018.
From Wikipedia’s article on Etisalat (Sri Lanka), shared under CC BY-SA 4.0.3