The COMESA Competition Commission (the “Commission”), having received several queries from merging parties and their legal representatives in relation to the application of certain merger control rules, hereby issues this practice note on its application of the term “operate” under the COMESA Competition Regulations, 2004 (the “Regulations”) and the COMESA Competition Rules, 2004 (the “Rules”) and its approach to the application of Rule 4 of the Rules on the Determination of Merger Notification Thresholds and Method of Calculation (the “Rules on the Determination of Merger Notification Thresholds”).