Mezzanine financing is a hybrid of debt and equity that sits in the middle of a company’s capital structure, between senior bank debt above it and ownership equity below. It behaves like a loan (fixed interest, a maturity date, a repayment obligation) but gives the lender the right to convert the balance into an ownership stake if the borrower defaults or misses key performance targets. Companies reach for it when they’ve borrowed all a bank will lend but don’t want to give up significant equity to close a deal. The typical cost runs between 13% and 20% a year, reflecting the junior position the lender accepts behind the senior loan.
Where It Sits in the Capital Stack
The capital stack is the pecking order for getting paid. Senior debt (the primary bank loan) sits at the top with first claim on cash flow and liquidation proceeds. Mezzanine debt occupies the layer directly below. Common and preferred equity sit at the bottom, collecting whatever remains after both tiers of debt are satisfied.
That ranking is the whole reason mezzanine costs what it does. In a bankruptcy or liquidation, senior lenders collect first, mezzanine holders collect second, and equity holders split the leftovers. Because the mezzanine lender knows the bank will be paid before a dollar reaches them, they charge substantially more than a bank would. The higher return compensates for a real possibility: if the company fails, there may be nothing left after the senior lender takes its share.
What Secures a Mezzanine Loan
This is where mezzanine parts ways with an ordinary business loan. A bank secures its loan against physical collateral: real property, equipment, receivables. A mezzanine lender takes something different: a pledge of the borrower’s equity interests in the operating company. If the borrower defaults, the lender doesn’t seize a building or a fleet of trucks. It takes ownership of the entity that owns those assets.
That distinction has a large practical consequence. Enforcement runs through the Uniform Commercial Code rather than mortgage foreclosure law, which changes the timeline, the notice requirements, and the mechanics of any eventual sale.
Key Deal Terms in a Mezzanine Agreement
Equity Kickers
The loan almost always includes an equity kicker to compensate for the junior position. The usual form is warrants: the lender gets the right to purchase shares in the borrowing company at a predetermined price, sometimes as low as a penny per share. These warrants typically represent between 5% and 20% of the company’s outstanding equity. If the company grows or is sold at a profit, the lender exercises the warrants and captures upside beyond the fixed interest.
Warrants attached to mezzanine debt work independently of the loan. Unlike a convertible bond, where the holder surrenders the bond to receive equity, a warrant holder exercises the option separately and keeps the debt in place. The lender can collect full repayment of the loan and profits from the equity participation.
Paid-in-Kind Interest
Many mezzanine loans include a paid-in-kind (PIK) feature that lets the borrower defer cash interest payments. Instead of writing a check each period, the borrower adds accrued interest to the outstanding loan balance. The interest compounds, and the full amount comes due at maturity. For a company mid-acquisition or in a heavy growth phase, this preserves cash flow when it’s needed most. The tradeoff is a principal balance that can grow surprisingly large by the time the loan matures.
Financial Covenants
Mezzanine agreements require the borrower to maintain performance benchmarks. The most common is a leverage ratio measuring total debt against EBITDA. Lenders also frequently require an interest coverage ratio, which tests whether earnings cover interest payments, and a fixed charge coverage ratio measuring earnings against all mandatory debt payments. Violating any of these can trigger a default and potentially accelerate the entire balance.
Prepayment Penalties
Mezzanine lenders worry about early repayment as much as default, because their return depends on the loan staying outstanding long enough for the interest and equity kicker to deliver the expected yield. Most agreements include call protection. A typical structure starts with a no-call period (often one year) during which prepayment is prohibited entirely, followed by declining prepayment premiums such as 3% in year two, 2% in year three, and 1% in year four. Some agreements use a make-whole provision instead, requiring the borrower to pay the present value of all future interest the lender would have received. If you’re considering mezzanine financing, read these terms closely. Refinancing at a lower rate later sounds appealing until the penalty eats most of the savings.
Non-Recourse Carve-Outs
Most mezzanine loans are structured as non-recourse, meaning the lender’s recovery is limited to the pledged equity. But every non-recourse loan comes with exceptions, commonly called “bad boy” carve-outs, that can convert the loan to full recourse against the borrower or a personal guarantor. The triggers are specific: fraud, misappropriation of funds, unauthorized transfers of collateral, and filing for bankruptcy without the lender’s consent. If a borrower commits any of these acts, the lender can pursue personal assets beyond the pledged equity. Depending on how the carve-out is drafted, the exposure can be limited to damages or extend to the full loan balance.
Change of Control
Mezzanine agreements commonly include a change-of-control provision that can trigger mandatory prepayment or default if the company is acquired or if key management personnel are replaced without the lender’s approval. The lender underwrote the loan based on specific management and ownership, and a material change to either alters the risk profile. If you’re planning to bring in a new CEO or sell a division, check the mezzanine documents first.
When Companies Actually Use It
The most common use is closing the gap in a leveraged buyout. A management team acquiring a company might get a bank loan covering 50% to 60% of the purchase price and contribute 20% to 30% in equity. Mezzanine financing fills the remaining gap. Without it, the deal doesn’t close unless the buyers contribute more of their own money or bring in equity partners who dilute their ownership.
Real estate developers use it for the same reason. A first mortgage might cover 65% to 75% of a project’s cost, and the developer has 10% to 15% in equity. Mezzanine capital fills the space in between, allowing the project to proceed without additional equity investors. Construction projects are particularly common candidates, since cost overruns and delays regularly create shortfalls that exceed the original senior loan.
What Happens If the Borrower Defaults
The relationship between the senior lender and the mezzanine lender is governed by an intercreditor agreement. Its most important feature is a subordination clause confirming the mezzanine position is junior in all respects, regardless of when each lender’s security interest was perfected. A standstill provision typically bars the mezzanine lender from exercising remedies, including foreclosure on the pledged equity, until the senior debt is fully repaid.1SEC.gov. Intercreditor, Standstill and Subordination Agreement
The mezzanine lender isn’t powerless while the borrower is stumbling. Most intercreditor agreements grant cure rights: the mezzanine lender can step in and make missed payments on the senior loan to keep the bank from accelerating or foreclosing. For missed payments, the cure window is typically short (often around five business days after notice). For non-payment defaults, the period is usually longer and can be extended if the mezzanine lender is actively working to resolve the issue. The right to cure consecutive monthly payments is usually capped, often at three months, unless the mezzanine lender is simultaneously pursuing its own remedies.2Fannie Mae. Intercreditor Agreement
When the mezzanine lender is finally free to act, enforcement runs through Article 9 of the UCC rather than mortgage foreclosure. The lender must first file a UCC-1 financing statement to perfect its security interest in the pledged equity.3Cornell Law School. UCC 9-310 – When Filing Required to Perfect Security Interest After default, and once any standstill has expired, the lender can sell the pledged equity through a public or private sale that must be “commercially reasonable” under the UCC.4Cornell Law School. UCC 9-610 – Disposition of Collateral After Default In practice, most mezzanine foreclosures proceed as noticed public auctions of the LLC or partnership interests.
Tax Consequences Worth Flagging
Interest on mezzanine debt is generally deductible, but Section 163(j) of the Internal Revenue Code caps the deduction at 30% of adjusted taxable income in any given year.5Internal Revenue Service. Questions and Answers About the Limitation on the Deduction for Business Interest Expense Excess interest carries forward but cannot be deducted currently. For a company that just took on both senior and mezzanine debt to fund an acquisition, the cap can create real cash strain: interest owed to two sets of lenders, only a fraction deductible against income.
PIK interest adds a second wrinkle. Even without cash changing hands, accrued interest added to the loan balance can be treated as original issue discount, and the lender must recognize it as income as it accrues. For the borrower, if the debt qualifies as an “applicable high yield discount obligation” (AHYDO), the issuer permanently loses the deduction on a portion of the OID. A debt instrument triggers AHYDO treatment when it has a term longer than five years, a yield to maturity at or above the applicable federal rate plus five percentage points, and “significant OID,” which generally means the issuer isn’t required to pay all accrued interest in cash within the first five years.6Office of the Law Revision Counsel. 26 U.S. Code 163 – Interest Because many mezzanine loans combine PIK interest, long terms, and high yields, AHYDO exposure is worth reviewing with a tax advisor before closing.