The merger is good for Sigma shareholders as it grows Sigma value by almost 11 times, according to an ABC news report on the merger.

Makes it one of the top 100 companies listed on the ASX.

Lists Chemist Warehouse on the ASX via the merger.

Supply change improvements with Sigma could create efficiencies of getting product to market. This could translate to improved supply, products pitched at cheaper price point, greater accessibility with increased number of stores.

Lessons for managers and boards considering a merger could include scanning for opportunities which can exist with entities that the company has been engaged with for many years.

Boards and managers need to consider the impacts proposed merger and acquisitions, the broader impact on the market and concerns of regulators. Consideration needs to be given to undertakings that could be imposed by regulators as a result of the merger or acquisition. Those undertakings should be assessed to determine the impact on the value of the merger.