Merger of equals
Also known as: Nil-premium merger, All-share merger
Two comparable companies combining without one buying the other. The ratio can be split; the chief executive cannot.
1 · SnapshotThe one idea to remember
2 · BeginnerWhat actually happens?
Usually one company buys another. Sometimes two companies of similar size decide to become one instead, without either of them being the buyer. That is a merger of equals.
There is no cash. Shareholders in both companies receive shares in the combined business, in a proportion the two sides agree. That proportion is called the exchange ratio, and it is the only number in the transaction.
Which sounds simple, and the money is usually the easy part. A ratio can always be moved a little in either direction until both boards can live with it. What cannot be split is who runs the combined company, where it is based, what it is called, and how many seats each side gets on the board.
More of these deals end over those questions than over the ratio. A chief executive cannot be divided by two.
- 1
Private talks2–6 mths
Two boards explore whether the combination works, with very few people on either side told.
- 2
Ratio and governance4–10 wks
The exchange ratio, the board composition, the chief executive and the headquarters are all agreed together.
- 3
Announcement1 day
Both sides publish, and both share prices move — usually in opposite directions.
- 4
Two shareholder votes8–14 wks
Each company's shareholders vote on the terms their own board negotiated.
- 5
Regulatory review6–18 mths
Two large companies in the same sector attract the longest merger control reviews there are.
Who runs it — The two boards decides. More of these end here than on price: an exchange ratio can be split, a chief executive cannot.
Both sets of shareholders — The shareholders of each company decides. Either vote can stop it, and the one that fails is usually the side whose shares rose least.
Merger control — The competition authorities decides. Two comparable firms in one sector is the exact shape regulators look hardest at.
Who is on the deal
| Who | Side | What they are actually for |
|---|---|---|
| Both boards | Both | Negotiate as equals, which means neither can simply impose an answer. |
| Both sets of shareholders | Both | Vote separately, and either vote can end it. |
| Both financial advisers | Both | Argue about the exchange ratio, which is the only number in the transaction. |
| The competition authorities | Neither | Look hardest at exactly this shape: two comparable firms in one sector. |
| The integration team | Both | Appointed at announcement and judged years later on whether the promised savings arrived. |
- Desk
- Mergers & Acquisitions
- Consideration
- Shares in the combined company, at an agreed ratio
- Premium
- Small or none — the value is meant to come from the combination
- Decided by
- Both sets of shareholders, separately
- Longest phase
- Merger control, because the overlap is by definition large
What decides whether it completes
Not how hard this is, and not a rating — there is deliberately no total. It says which of five blockers decides whether this transaction happens at all, in the same order on all 70 transaction types so they can be compared. This publication's own reading; see the notice below.
- Pricematters
- Financingbarely applies
- Approvaldecides it
- Diligencebarely applies
- Executiondecides it
What decides it here. The exchange ratio can always be split, but who runs the combined company cannot, and more of these end on governance than on economics. What survives that still faces the longest merger control review there is, because two comparable firms in one sector is exactly the shape regulators examine hardest.
3 · IntermediateHow it runs in practice
The exchange ratio
Each shareholder receives a fixed number of new shares per old share. Because both sides are paid in the same currency — shares of the combined company — the ratio is a statement about relative value, not absolute value. If both companies fall twenty per cent before completion, the ratio is unaffected.
It is usually anchored to relative market values over a period, adjusted for whatever the two sides agree the market is mispricing: different debt levels, different pension positions, one side's disposal that has not completed. See the exchange ratio for how it is actually built.
Nil premium, and what that means
Because neither side is buying, there is often no premium at all — or a small one to whichever side is agreed to be contributing more than its market value suggests. That makes these deals harder to sell to shareholders than an ordinary takeover, where the target's holders receive an immediate uplift. The case has to be made entirely on what the combination will produce.
Governance is negotiated as one package
- The chief executive, and often a stated succession — one side takes the role now, the other later.
- The chair, usually from whichever side did not get the chief executive.
- Board composition, frequently equal regardless of the ratio.
- Headquarters, name, listing and domicile — symbolic, politically sensitive, and sometimes the reason a deal is announced or abandoned.
Two votes, either of which ends it
Each company's shareholders vote on the terms their own board negotiated. The vote that fails is usually the side whose share price rose least on announcement — because its shareholders read the ratio as the other side getting the better of it.
4 · AdvancedThe numbers & the documents
Merger control is the long pole
Two comparable firms in the same sector is exactly the shape competition authorities examine hardest. Reviews run for many months across multiple jurisdictions, and remedies — selling overlapping businesses — are common. The remedy problem is circular: the overlaps a regulator wants removed are frequently the ones the synergies were built on.
The negotiation about who bears that risk happens before announcement, in the conditions and in any reverse break fee. See the recommended offer, where the same machinery applies with a buyer and a seller rather than two equals.
Why "merger of equals" is partly a description and partly a message
Somebody's shareholders end up with more than half, somebody's chief executive gets the job, and accounting standards require one party to be identified as the acquirer for reporting purposes. The phrase describes an intent about how the two sides will be treated, and it is used because it makes the combination easier to explain internally.
That is not a criticism, and this page makes no claim about any particular transaction. It is worth knowing because the accounting acquirer is disclosed, and it frequently is not the side the announcement emphasises.
Where the value is supposed to come from
- Cost savings — duplicated head offices, overlapping networks, combined procurement. The most credible category and the one that arrives first.
- Scale — fixed costs such as research or technology spread over a larger base.
- Revenue synergies — cross-selling, wider coverage. Announced often and delivered least; see synergies.
Against them sit integration costs, which are real cash in the first years, and the disruption of running two organisations as one while both are being examined by a regulator.
What to read in the announcement
- The exchange ratio against the two share prices over the previous month — that is the implied premium, and it is often not zero.
- The governance package in full, including any succession arrangement.
- The synergy number, split between costs and revenue, with the one-off cost of achieving it.
- The conditions, and which side pays if merger control refuses.
The formulas above are standard textbook formulations, simplified for teaching. They explain the mechanism — they are not a valuation tool, and they will not reproduce a dealer’s price.
5 · Desk notesHow people on the deal think about it
Now say it back
Close the page and give Merger of equals in four sentences. It takes a minute and it is the only way to find out whether reading it was enough.
- Who wants what — name both sides and what each one is actually trying to get.
- What has to happen, in order — the three or four stages, not the whole timetable.
- Where the money comes from — cash, new shares, or borrowed; somebody has to fund it.
- What kills it — the ordinary way, not the dramatic one.
Where this transaction shows up elsewhere
- MediumExchange ratioDealHow many buyer's shares each target share becomes