Flaming MoEs

LSE merger of equal-ness is a red herring

Mergers of equals are tricky to construct and equally easy to misunderstand. Take the London Stock Exchange's (LSE) potential deal with Deutsche Boerse. Is there a premium? Are they really equals? Is Deutsche Boerse a better owner of the LSE than a US rival? All that is beside the point. What matters most is by how much LSE's shareholders will be better off, and whether that number can be matched by another offer - whatever form that takes.

A true merger of equals entails two companies being spliced together at the level of their undisturbed market values prior to the deal, and getting roughly half each. Board seats are often neatly divided. There's no premium. A takeover is very different: investors in the junior partner expect something to compensate them for taking the lesser role, or - in a cash bid - giving up their equity participation in the company. A so-called control premium tends to be around 30 per cent.

LSE shows why things can get fuzzy. Focus on the three-month simple average share price up to February 12, when the merger was provisionally agreed, and LSE's market value was 45 per cent of the combined group - precisely what it has been offered by Deutsche Boerse in what the latter calls a merger of equals. Look at the companies' proportions based on February 22 prices - the day before Reuters revealed details of the deal - and LSE's natural share would be 42 per cent.

So as things stand, the LSE looks to be getting a premium of 3.1 per cent of the merged company. Wouldn't Deutsche Boerse and LSE want to play up the fact it is getting a premium? No. In fact, a premium is an annoyance because it muddies the waters. It undermines the feel-good merger-of-equals vibe, for one. It also opens up the possibility that someone else - such as US exchange owner Intercontinental Exchange - comes touting a "real" control premium.

The number LSE shareholders should really watch is the uplift in LSE's shares that comes from the deal - whether it's called a premium or not. In the case of Deutsche Boerse's offer, it's 16 per cent, according to a Breakingviews analysis, which assumes that the total savings from putting the two together are worth £3.2 billion today. That 16 per cent is the number a counterbid would have to beat based on the same three-month pre-bid average LSE price, in order to compare like with like.

It works both ways, mind. If ICE were to come with a deal valuing LSE at, say, £33 a share - roughly a 30 per cent premium to that undisturbed price - LSE's board and Chief Executive Xavier Rolet would be under pressure to take it, or show why the shares, which are now 14 per cent above their undisturbed price, should be worth more with Deutsche Boerse. Equality and harmony are much less important than what gives shareholders the best financial deal.